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Merge pull request #13 from crawlab-team/develop

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Develop
This commit is contained in:
暗音
2019-11-26 15:29:18 +08:00
committed by GitHub
parent 0a94399da2 e2e61c621e
commit 3ef5ddfa07
172 changed files with 19974 additions and 6034 deletions
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2
backend/conf/config.yml
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@@ -20,7 +20,7 @@ log:
server:
host: 0.0.0.0
port: 8000
master: "N"
master: "Y"
secret: "crawlab"
register:
# mac地址 或者 ip地址，如果是ip，则需要手动指定IP

2
backend/config/config.go
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@@ -28,7 +28,7 @@ func (c *Config) Init() error {
}
viper.SetConfigType("yaml") // 设置配置文件格式为YAML
viper.AutomaticEnv() // 读取匹配的环境变量
viper.SetEnvPrefix("CRAWLAB") // 读取环境变量的前缀为APISERVER
viper.SetEnvPrefix("CRAWLAB") // 读取环境变量的前缀为CRAWLAB
replacer := strings.NewReplacer(".", "_")
viper.SetEnvKeyReplacer(replacer)
if err := viper.ReadInConfig(); err != nil { // viper解析配置文件

8
backend/constants/anchor.go Normal file
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@@ -0,0 +1,8 @@
package constants
const (
AnchorStartStage = "START_STAGE"
AnchorStartUrl = "START_URL"
AnchorItems = "ITEMS"
AnchorParsers = "PARSERS"
)

6
backend/constants/config_spider.go Normal file
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@@ -0,0 +1,6 @@
package constants
const (
EngineScrapy = "scrapy"
EngineColly = "colly"
)

5
backend/constants/scrapy.go Normal file
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@@ -0,0 +1,5 @@
package constants
const ScrapyProtectedStageNames = ""
const ScrapyProtectedFieldNames = "_id,task_id,ts"

1
backend/constants/spider.go
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@@ -3,4 +3,5 @@ package constants
const (
Customized = "customized"
Configurable = "configurable"
Plugin = "plugin"
)

2
backend/database/redis.go
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@@ -102,7 +102,7 @@ func NewRedisPool() *redis.Pool {
return redis.DialURL(url,
redis.DialConnectTimeout(time.Second*10),
redis.DialReadTimeout(time.Second*10),
redis.DialWriteTimeout(time.Second*10),
redis.DialWriteTimeout(time.Second*15),
)
},
TestOnBorrow: func(c redis.Conn, t time.Time) error {

25
backend/entity/config_spider.go Normal file
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@@ -0,0 +1,25 @@
package entity
type Field struct {
Name string `yaml:"name" json:"name"`
Css string `yaml:"css" json:"css"`
Xpath string `yaml:"xpath" json:"xpath"`
Attr string `yaml:"attr" json:"attr"`
NextStage string `yaml:"next_stage" json:"next_stage"`
}
type Stage struct {
IsList bool `yaml:"is_list" json:"is_list"`
ListCss string `yaml:"list_css" json:"list_css"`
PageCss string `yaml:"page_css" json:"page_css"`
PageAttr string `yaml:"page_attr" json:"page_attr"`
Fields []Field `yaml:"fields" json:"fields"`
}
type ConfigSpiderData struct {
Version string `yaml:"version" json:"version"`
Engine string `yaml:"engine" json:"engine"`
StartUrl string `yaml:"start_url" json:"start_url"`
StartStage string `yaml:"start_stage" json:"start_stage"`
Stages map[string]Stage `yaml:"stages" json:"stages"`
}

1
backend/go.mod
View File

@@ -17,4 +17,5 @@ require (
github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337
github.com/spf13/viper v1.4.0
gopkg.in/go-playground/validator.v9 v9.29.1
gopkg.in/yaml.v2 v2.2.2
)

7
backend/main.go
View File

@@ -110,7 +110,6 @@ func main() {
if model.IsMaster() {
// 中间件
app.Use(middlewares.CORSMiddleware())
//app.Use(middlewares.AuthorizationMiddleware())
anonymousGroup := app.Group("/")
{
anonymousGroup.POST("/login", routes.Login) // 用户登录
@@ -130,7 +129,7 @@ func main() {
// 爬虫
authGroup.GET("/spiders", routes.GetSpiderList) // 爬虫列表
authGroup.GET("/spiders/:id", routes.GetSpider) // 爬虫详情
authGroup.POST("/spiders", routes.PutSpider) // 上传爬虫
authGroup.POST("/spiders", routes.PutSpider) // 上传爬虫 TODO: 名称不对
authGroup.POST("/spiders/:id", routes.PostSpider) // 修改爬虫
authGroup.POST("/spiders/:id/publish", routes.PublishSpider) // 发布爬虫
authGroup.DELETE("/spiders/:id", routes.DeleteSpider) // 删除爬虫
@@ -140,6 +139,10 @@ func main() {
authGroup.GET("/spiders/:id/dir", routes.GetSpiderDir) // 爬虫目录
authGroup.GET("/spiders/:id/stats", routes.GetSpiderStats) // 爬虫统计数据
authGroup.GET("/spider/types", routes.GetSpiderTypes) // 爬虫类型
// 可配置爬虫
authGroup.PUT("/config_spiders", routes.PutConfigSpider) // 添加可配置爬虫
authGroup.POST("/config_spiders/:id", routes.PostConfigSpider) // 修改可配置爬虫
authGroup.POST("/config_spiders/:id/upload", routes.UploadConfigSpider) // 上传可配置爬虫
// 任务
authGroup.GET("/tasks", routes.GetTaskList) // 任务列表
authGroup.GET("/tasks/:id", routes.GetTask) // 任务详情

30
backend/model/config_spider/common.go Normal file
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@@ -0,0 +1,30 @@
package config_spider
import "crawlab/entity"
func GetAllFields(data entity.ConfigSpiderData) []entity.Field {
var fields []entity.Field
for _, stage := range data.Stages {
for _, field := range stage.Fields {
fields = append(fields, field)
}
}
return fields
}
func GetStartStageName(data entity.ConfigSpiderData) string {
// 如果 start_stage 设置了且在 stages 里，则返回
if data.StartStage != "" {
for stageName := range data.Stages {
if stageName == data.StartStage {
return data.StartStage
}
}
}
// 否则返回第一个 stage
for stageName := range data.Stages {
return stageName
}
return ""
}

228
backend/model/config_spider/scrapy.go Normal file
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@@ -0,0 +1,228 @@
package config_spider
import (
"crawlab/constants"
"crawlab/entity"
"crawlab/model"
"crawlab/utils"
"errors"
"fmt"
"path/filepath"
)
type ScrapyGenerator struct {
Spider model.Spider
ConfigData entity.ConfigSpiderData
}
// 生成爬虫文件
func (g ScrapyGenerator) Generate() error {
// 生成 items.py
if err := g.ProcessItems(); err != nil {
return err
}
// 生成 spider.py
if err := g.ProcessSpider(); err != nil {
return err
}
return nil
}
// 生成 items.py
func (g ScrapyGenerator) ProcessItems() error {
// 待处理文件名
src := g.Spider.Src
filePath := filepath.Join(src, "config_spider", "items.py")
// 获取所有字段
fields := g.GetAllFields()
// 字段名列表（包含默认字段名）
fieldNames := []string{
"_id",
"task_id",
"ts",
}
// 加入字段
for _, field := range fields {
fieldNames = append(fieldNames, field.Name)
}
// 将字段名转化为python代码
str := ""
for _, fieldName := range fieldNames {
line := g.PadCode(fmt.Sprintf("%s = scrapy.Field()", fieldName), 1)
str += line
}
// 将占位符替换为代码
if err := utils.SetFileVariable(filePath, constants.AnchorItems, str); err != nil {
return err
}
return nil
}
// 生成 spider.py
func (g ScrapyGenerator) ProcessSpider() error {
// 待处理文件名
src := g.Spider.Src
filePath := filepath.Join(src, "config_spider", "spiders", "spider.py")
// 替换 start_stage
if err := utils.SetFileVariable(filePath, constants.AnchorStartStage, "parse_"+GetStartStageName(g.ConfigData)); err != nil {
return err
}
// 替换 start_url
if err := utils.SetFileVariable(filePath, constants.AnchorStartUrl, g.ConfigData.StartUrl); err != nil {
return err
}
// 替换 parsers
strParser := ""
for stageName, stage := range g.ConfigData.Stages {
stageStr := g.GetParserString(stageName, stage)
strParser += stageStr
}
if err := utils.SetFileVariable(filePath, constants.AnchorParsers, strParser); err != nil {
return err
}
return nil
}
func (g ScrapyGenerator) GetParserString(stageName string, stage entity.Stage) string {
// 构造函数定义行
strDef := g.PadCode(fmt.Sprintf("def parse_%s(self, response):", stageName), 1)
strParse := ""
if stage.IsList {
// 列表逻辑
strParse = g.GetListParserString(stageName, stage)
} else {
// 非列表逻辑
strParse = g.GetNonListParserString(stageName, stage)
}
// 构造
str := fmt.Sprintf(`%s%s`, strDef, strParse)
return str
}
func (g ScrapyGenerator) PadCode(str string, num int) string {
res := ""
for i := 0; i < num; i++ {
res += " "
}
res += str
res += "\n"
return res
}
func (g ScrapyGenerator) GetNonListParserString(stageName string, stage entity.Stage) string {
str := ""
// 获取或构造item
str += g.PadCode("item = Item() if response.meta.get('item') is None else response.meta.get('item')", 2)
// 遍历字段列表
for _, f := range stage.Fields {
line := ""
if f.Attr == "" {
line += fmt.Sprintf(`item['%s'] = response.css('%s::text').extract_first()`, f.Name, f.Css)
} else {
line += fmt.Sprintf(`item['%s'] = response.css('%s::attr("%s")').extract_first()`, f.Name, f.Css, f.Attr)
}
line = g.PadCode(line, 2)
str += line
}
// next stage 字段
if f, err := g.GetNextStageField(stage); err == nil {
// 如果找到 next stage 字段，进行下一个回调
str += g.PadCode(fmt.Sprintf(`yield scrapy.Request(url="get_real_url(response, item['%s'])", callback=self.parse_%s, meta={'item': item})`, f.Name, f.NextStage), 2)
} else {
// 如果没找到 next stage 字段，返回 item
str += g.PadCode(fmt.Sprintf(`yield item`), 2)
}
// 加入末尾换行
str += g.PadCode("", 0)
return str
}
func (g ScrapyGenerator) GetListParserString(stageName string, stage entity.Stage) string {
str := ""
// 获取前一个 stage 的 item
str += g.PadCode(`prev_item = response.meta.get('item')`, 2)
// for 循环遍历列表
str += g.PadCode(fmt.Sprintf(`for elem in response.css('%s'):`, stage.ListCss), 2)
// 构造item
str += g.PadCode(`item = Item()`, 3)
// 遍历字段列表
for _, f := range stage.Fields {
line := ""
if f.Attr == "" {
line += fmt.Sprintf(`item['%s'] = elem.css('%s::text').extract_first()`, f.Name, f.Css)
} else {
line += fmt.Sprintf(`item['%s'] = elem.css('%s::attr("%s")').extract_first()`, f.Name, f.Css, f.Attr)
}
line = g.PadCode(line, 3)
str += line
}
// 把前一个 stage 的 item 值赋给当前 item
str += g.PadCode(`if prev_item is not None:`, 3)
str += g.PadCode(`for key, value in prev_item.items():`, 4)
str += g.PadCode(`item[key] = value`, 5)
// next stage 字段
if f, err := g.GetNextStageField(stage); err == nil {
// 如果找到 next stage 字段，进行下一个回调
str += g.PadCode(fmt.Sprintf(`yield scrapy.Request(url=get_real_url(response, item['%s']), callback=self.parse_%s, meta={'item': item})`, f.Name, f.NextStage), 3)
} else {
// 如果没找到 next stage 字段，返回 item
str += g.PadCode(fmt.Sprintf(`yield item`), 3)
}
// 分页
if stage.PageCss != "" {
// 分页元素属性，默认为 href
pageAttr := "href"
if stage.PageAttr != "" {
pageAttr = stage.PageAttr
}
str += g.PadCode(fmt.Sprintf(`next_url = response.css('%s::attr("%s")').extract_first()`, stage.PageCss, pageAttr), 2)
str += g.PadCode(fmt.Sprintf(`yield scrapy.Request(url=get_real_url(response, next_url), callback=self.parse_%s, meta={'item': item})`, stageName), 2)
}
// 加入末尾换行
str += g.PadCode("", 0)
return str
}
// 获取所有字段
func (g ScrapyGenerator) GetAllFields() []entity.Field {
return GetAllFields(g.ConfigData)
}
// 获取包含 next stage 的字段
func (g ScrapyGenerator) GetNextStageField(stage entity.Stage) (entity.Field, error) {
for _, field := range stage.Fields {
if field.NextStage != "" {
return field, nil
}
}
return entity.Field{}, errors.New("cannot find next stage field")
}

28
backend/model/spider.go
View File

@@ -25,6 +25,7 @@ type Spider struct {
Site string `json:"site" bson:"site"` // 爬虫网站
Envs []Env `json:"envs" bson:"envs"` // 环境变量
Remark string `json:"remark" bson:"remark"` // 备注
// 自定义爬虫
Src string `json:"src" bson:"src"` // 源码位置
Cmd string `json:"cmd" bson:"cmd"` // 执行命令
@@ -33,17 +34,7 @@ type Spider struct {
LastRunTs time.Time `json:"last_run_ts"` // 最后一次执行时间
LastStatus string `json:"last_status"` // 最后执行状态
// TODO: 可配置爬虫
//Fields []interface{} `json:"fields"`
//DetailFields []interface{} `json:"detail_fields"`
//CrawlType string `json:"crawl_type"`
//StartUrl string `json:"start_url"`
//UrlPattern string `json:"url_pattern"`
//ItemSelector string `json:"item_selector"`
//ItemSelectorType string `json:"item_selector_type"`
//PaginationSelector string `json:"pagination_selector"`
//PaginationSelectorType string `json:"pagination_selector_type"`
// 时间
CreateTs time.Time `json:"create_ts" bson:"create_ts"`
UpdateTs time.Time `json:"update_ts" bson:"update_ts"`
}
@@ -98,13 +89,14 @@ func (spider *Spider) GetLastTask() (Task, error) {
return tasks[0], nil
}
// 删除爬虫
func (spider *Spider) Delete() error {
s, c := database.GetCol("spiders")
defer s.Close()
return c.RemoveId(spider.Id)
}
// 爬虫列表
// 获取爬虫列表
func GetSpiderList(filter interface{}, skip int, limit int) ([]Spider, int, error) {
s, c := database.GetCol("spiders")
defer s.Close()
@@ -136,7 +128,7 @@ func GetSpiderList(filter interface{}, skip int, limit int) ([]Spider, int, erro
return spiders, count, nil
}
// 获取爬虫
// 获取爬虫(根据FileId)
func GetSpiderByFileId(fileId bson.ObjectId) *Spider {
s, c := database.GetCol("spiders")
defer s.Close()
@@ -150,7 +142,7 @@ func GetSpiderByFileId(fileId bson.ObjectId) *Spider {
return result
}
// 获取爬虫
// 获取爬虫(根据名称)
func GetSpiderByName(name string) *Spider {
s, c := database.GetCol("spiders")
defer s.Close()
@@ -158,13 +150,13 @@ func GetSpiderByName(name string) *Spider {
var result *Spider
if err := c.Find(bson.M{"name": name}).One(&result); err != nil {
log.Errorf("get spider error: %s, spider_name: %s", err.Error(), name)
debug.PrintStack()
//debug.PrintStack()
return nil
}
return result
}
// 获取爬虫
// 获取爬虫(根据ID)
func GetSpider(id bson.ObjectId) (Spider, error) {
s, c := database.GetCol("spiders")
defer s.Close()
@@ -245,7 +237,7 @@ func RemoveAllSpider() error {
return nil
}
// 爬虫总数
// 获取爬虫总数
func GetSpiderCount() (int, error) {
s, c := database.GetCol("spiders")
defer s.Close()
@@ -257,7 +249,7 @@ func GetSpiderCount() (int, error) {
return count, nil
}
// 爬虫类型
// 获取爬虫类型
func GetSpiderTypes() ([]*entity.SpiderType, error) {
s, c := database.GetCol("spiders")
defer s.Close()

238
backend/routes/config_spider.go Normal file
View File

@@ -0,0 +1,238 @@
package routes
import (
"crawlab/constants"
"crawlab/database"
"crawlab/entity"
"crawlab/model"
"crawlab/services"
"crawlab/utils"
"fmt"
"github.com/apex/log"
"github.com/gin-gonic/gin"
"github.com/globalsign/mgo/bson"
uuid "github.com/satori/go.uuid"
"github.com/spf13/viper"
"gopkg.in/yaml.v2"
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"runtime/debug"
)
// 添加可配置爬虫
func PutConfigSpider(c *gin.Context) {
var spider model.Spider
if err := c.ShouldBindJSON(&spider); err != nil {
HandleError(http.StatusBadRequest, c, err)
return
}
// 爬虫名称不能为空
if spider.Name == "" {
HandleErrorF(http.StatusBadRequest, c, "spider name should not be empty")
return
}
// 判断爬虫是否存在
if spider := model.GetSpiderByName(spider.Name); spider != nil {
HandleErrorF(http.StatusBadRequest, c, fmt.Sprintf("spider for '%s' already exists", spider.Name))
return
}
// 设置爬虫类别
spider.Type = constants.Configurable
// 将FileId置空
spider.FileId = bson.ObjectIdHex(constants.ObjectIdNull)
// 创建爬虫目录
spiderDir := filepath.Join(viper.GetString("spider.path"), spider.Name)
if utils.Exists(spiderDir) {
if err := os.RemoveAll(spiderDir); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
}
if err := os.MkdirAll(spiderDir, 0777); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
spider.Src = spiderDir
// 添加爬虫到数据库
if err := spider.Add(); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
c.JSON(http.StatusOK, Response{
Status: "ok",
Message: "success",
Data: spider,
})
}
// 更改可配置爬虫
func PostConfigSpider(c *gin.Context) {
PostSpider(c)
}
// 上传可配置爬虫Spiderfile
func UploadConfigSpider(c *gin.Context) {
id := c.Param("id")
// 获取爬虫
var spider model.Spider
spider, err := model.GetSpider(bson.ObjectIdHex(id))
if err != nil {
HandleErrorF(http.StatusBadRequest, c, fmt.Sprintf("cannot find spider (id: %s)", id))
}
// 获取上传文件
file, header, err := c.Request.FormFile("file")
if err != nil {
HandleError(http.StatusBadRequest, c, err)
return
}
// 文件名称必须为Spiderfile
filename := header.Filename
if filename != "Spiderfile" {
HandleErrorF(http.StatusBadRequest, c, "filename must be 'Spiderfile'")
return
}
// 爬虫目录
spiderDir := filepath.Join(viper.GetString("spider.path"), spider.Name)
// 爬虫Spiderfile文件路径
sfPath := filepath.Join(spiderDir, filename)
// 创建（如果不存在）或打开Spiderfile（如果存在）
var f *os.File
if utils.Exists(sfPath) {
f, err = os.OpenFile(sfPath, os.O_WRONLY, 0777)
if err != nil {
HandleError(http.StatusInternalServerError, c, err)
}
} else {
f, err = os.Create(sfPath)
if err != nil {
HandleError(http.StatusInternalServerError, c, err)
}
}
// 将上传的文件拷贝到爬虫Spiderfile文件
_, err = io.Copy(f, file)
if err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
// 关闭Spiderfile文件
_ = f.Close()
// 构造配置数据
configData := entity.ConfigSpiderData{}
// 读取YAML文件
yamlFile, err := ioutil.ReadFile(sfPath)
if err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
// 反序列化
if err := yaml.Unmarshal(yamlFile, &configData); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
// 删除已有的爬虫文件
for _, fInfo := range utils.ListDir(spiderDir) {
// 不删除Spiderfile
if fInfo.Name() == filename {
continue
}
// 删除其他文件
if err := os.RemoveAll(filepath.Join(spiderDir, fInfo.Name())); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
}
// 拷贝爬虫文件
tplDir := "./template/scrapy"
for _, fInfo := range utils.ListDir(tplDir) {
// 跳过Spiderfile
if fInfo.Name() == "Spiderfile" {
continue
}
srcPath := filepath.Join(tplDir, fInfo.Name())
if fInfo.IsDir() {
dirPath := filepath.Join(spiderDir, fInfo.Name())
if err := utils.CopyDir(srcPath, dirPath); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
} else {
if err := utils.CopyFile(srcPath, filepath.Join(spiderDir, fInfo.Name())); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
}
}
// 更改爬虫文件
if err := services.GenerateConfigSpiderFiles(spider, configData); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
// 打包为 zip 文件
files, err := utils.GetFilesFromDir(spiderDir)
if err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
randomId := uuid.NewV4()
tmpFilePath := filepath.Join(viper.GetString("other.tmppath"), spider.Name+"."+randomId.String()+".zip")
spiderZipFileName := spider.Name + ".zip"
if err := utils.Compress(files, tmpFilePath); err != nil {
HandleError(http.StatusInternalServerError, c, err)
return
}
// 获取 GridFS 实例
s, gf := database.GetGridFs("files")
defer s.Close()
// 判断文件是否已经存在
var gfFile model.GridFs
if err := gf.Find(bson.M{"filename": spiderZipFileName}).One(&gfFile); err == nil {
// 已经存在文件，则删除
_ = gf.RemoveId(gfFile.Id)
}
// 上传到GridFs
fid, err := services.UploadToGridFs(spiderZipFileName, tmpFilePath)
if err != nil {
log.Errorf("upload to grid fs error: %s", err.Error())
debug.PrintStack()
return
}
// 保存爬虫 FileId
spider.FileId = fid
_ = spider.Save()
c.JSON(http.StatusOK, Response{
Status: "ok",
Message: "success",
})
}

1
backend/routes/spider.go
View File

@@ -153,6 +153,7 @@ func PutSpider(c *gin.Context) {
return
}
// 获取 GridFS 实例
s, gf := database.GetGridFs("files")
defer s.Close()

2
backend/routes/task.go
View File

@@ -36,7 +36,7 @@ func GetTaskList(c *gin.Context) {
data.PageNum = 1
}
if data.PageSize == 0 {
data.PageNum = 10
data.PageSize = 10
}
// 过滤条件

118
backend/services/config_spider.go Normal file
View File

@@ -0,0 +1,118 @@
package services
import (
"crawlab/constants"
"crawlab/entity"
"crawlab/model"
"crawlab/model/config_spider"
"errors"
"fmt"
"strings"
)
func GenerateConfigSpiderFiles(spider model.Spider, configData entity.ConfigSpiderData) error {
// 校验Spiderfile正确性
if err := ValidateSpiderfile(configData); err != nil {
return err
}
// 构造代码生成器
generator := config_spider.ScrapyGenerator{
Spider: spider,
ConfigData: configData,
}
// 生成代码
if err := generator.Generate(); err != nil {
return err
}
return nil
}
// 验证Spiderfile
func ValidateSpiderfile(configData entity.ConfigSpiderData) error {
// 获取所有字段
fields := config_spider.GetAllFields(configData)
// 校验是否存在 start_url
if configData.StartUrl == "" {
return errors.New("spiderfile start_url is empty")
}
// 校验是否存在 stages
if len(configData.Stages) == 0 {
return errors.New("spiderfile stages is empty")
}
// 校验stages
dict := map[string]int{}
for stageName, stage := range configData.Stages {
// stage 名称不能为空
if stageName == "" {
return errors.New("spiderfile stage name is empty")
}
// stage 名称不能为保留字符串
// NOTE: 如果有其他Engine，可以扩展，默认为Scrapy
if configData.Engine == "" || configData.Engine == constants.EngineScrapy {
if strings.Contains(constants.ScrapyProtectedStageNames, stageName) {
return errors.New(fmt.Sprintf("spiderfile stage name '%s' is protected", stageName))
}
} else if configData.Engine == constants.EngineColly {
return errors.New(fmt.Sprintf("engine '%s' is not implemented", stageName))
}
// stage 名称不能重复
if dict[stageName] == 1 {
return errors.New("spiderfile stage name should be unique")
}
dict[stageName] = 1
// stage 字段不能为空
if len(stage.Fields) == 0 {
return errors.New(fmt.Sprintf("spiderfile stage '%s' has no fields", stageName))
}
// stage 的下一个 stage 只能有一个
hasNextStage := false
for _, field := range stage.Fields {
if field.NextStage != "" {
if hasNextStage {
return errors.New("spiderfile stage fields should have only 1 next_stage")
}
hasNextStage = true
}
}
// 如果 stage 的 is_list 为 true 但 list_css 为空，报错
if stage.IsList && stage.ListCss == "" {
return errors.New("spiderfile stage with is_list = true should have list_css being set")
}
}
// 校验字段唯一性
if !IsUniqueConfigSpiderFields(fields) {
return errors.New("spiderfile fields not unique")
}
// 字段名称不能为保留字符串
for _, field := range fields {
if strings.Contains(constants.ScrapyProtectedFieldNames, field.Name) {
return errors.New(fmt.Sprintf("spiderfile field name '%s' is protected", field.Name))
}
}
return nil
}
func IsUniqueConfigSpiderFields(fields []entity.Field) bool {
dict := map[string]int{}
for _, field := range fields {
if dict[field.Name] == 1 {
return false
}
dict[field.Name] = 1
}
return true
}

2
backend/services/node.go
View File

@@ -258,7 +258,7 @@ func InitNodeService() error {
return err
}
// 如果为主节点，每30秒刷新所有节点信息
// 如果为主节点，每10秒刷新所有节点信息
if model.IsMaster() {
spec := "*/10 * * * * *"
if _, err := c.AddFunc(spec, UpdateNodeStatus); err != nil {

41
backend/services/register/register.go
View File

@@ -6,6 +6,7 @@ import (
"net"
"reflect"
"runtime/debug"
"sync"
)
type Register interface {
@@ -97,25 +98,31 @@ func getMac() (string, error) {
var register Register
// 获得注册器
func GetRegister() Register {
if register != nil {
return register
}
var once sync.Once
registerType := viper.GetString("server.register.type")
if registerType == "mac" {
register = &MacRegister{}
} else {
ip := viper.GetString("server.register.ip")
if ip == "" {
log.Error("server.register.ip is empty")
debug.PrintStack()
return nil
func GetRegister() Register {
once.Do(func() {
if register != nil {
register = register
}
register = &IpRegister{
Ip: ip,
registerType := viper.GetString("server.register.type")
if registerType == "mac" {
register = &MacRegister{}
} else {
ip := viper.GetString("server.register.ip")
if ip == "" {
log.Error("server.register.ip is empty")
debug.PrintStack()
register = nil
}
register = &IpRegister{
Ip: ip,
}
}
}
log.Info("register type is :" + reflect.TypeOf(register).String())
log.Info("register type is :" + reflect.TypeOf(register).String())
})
return register
}

12
backend/services/spider.go
View File

@@ -116,12 +116,20 @@ func PublishAllSpiders() {
// 发布爬虫
func PublishSpider(spider model.Spider) {
// 查询gf file，不存在则删除
// 查询gf file，不存在则标记为爬虫文件不存在
gfFile := model.GetGridFs(spider.FileId)
if gfFile == nil {
_ = model.RemoveSpider(spider.Id)
spider.FileId = constants.ObjectIdNull
_ = spider.Save()
return
}
// 如果FileId为空，表示还没有上传爬虫到GridFS，则跳过
if spider.FileId == bson.ObjectIdHex(constants.ObjectIdNull) {
return
}
// 获取爬虫同步实例
spiderSync := spider_handler.SpiderSync{
Spider: spider,
}

20
backend/services/task.go
View File

@@ -224,7 +224,16 @@ func ExecuteShellCmd(cmdStr string, cwd string, t model.Task, s model.Spider) (e
}
// 环境变量配置
cmd = SetEnv(cmd, s.Envs, t.Id, s.Col)
envs := s.Envs
if s.Type == constants.Configurable {
envs = append(envs, model.Env{Name: "CRAWLAB_MONGO_HOST", Value: viper.GetString("mongo.host")})
envs = append(envs, model.Env{Name: "CRAWLAB_MONGO_PORT", Value: viper.GetString("mongo.port")})
envs = append(envs, model.Env{Name: "CRAWLAB_MONGO_DB", Value: viper.GetString("mongo.db")})
envs = append(envs, model.Env{Name: "CRAWLAB_MONGO_USERNAME", Value: viper.GetString("mongo.username")})
envs = append(envs, model.Env{Name: "CRAWLAB_MONGO_PASSWORD", Value: viper.GetString("mongo.password")})
envs = append(envs, model.Env{Name: "CRAWLAB_MONGO_AUTHSOURCE", Value: viper.GetString("mongo.authSource")})
}
cmd = SetEnv(cmd, envs, t.Id, s.Col)
// 起一个goroutine来监控进程
ch := utils.TaskExecChanMap.ChanBlocked(t.Id)
@@ -378,7 +387,14 @@ func ExecuteTask(id int) {
)
// 执行命令
cmd := spider.Cmd
var cmd string
if spider.Type == constants.Configurable {
// 可配置爬虫命令
cmd = "scrapy crawl config_spider"
} else {
// 自定义爬虫命令
cmd = spider.Cmd
}
// 加入参数
if t.Param != "" {

25
backend/template/Spiderfile Normal file
View File

@@ -0,0 +1,25 @@
version: "0.4.0"
name: "toscrapy_books"
start_url: "http://books.toscrape.com"
start_stage: "list"
engine: "scrapy"
stages:
list:
is_list: true # default: false
list_css: "section article.product_pod"
page_css: "ul.pager li.next a"
page_attr: "href" # default: href
fields:
- name: "title"
css: "h3 > a"
- name: "url"
css: "h3 > a"
attr: "href"
next_stage: "detail"
- name: "price"
css: ".product_price > .price_color"
detail:
is_list: false
fields:
- name: "description"
css: "#product_description + p"

0
backend/template/scrapy/config_spider/__init__.py Normal file
View File

12
backend/template/scrapy/config_spider/items.py Normal file
View File

@@ -0,0 +1,12 @@
# -*- coding: utf-8 -*-
# Define here the models for your scraped items
#
# See documentation in:
# https://docs.scrapy.org/en/latest/topics/items.html
import scrapy
class Item(scrapy.Item):
###ITEMS###

103
backend/template/scrapy/config_spider/middlewares.py Normal file
View File

@@ -0,0 +1,103 @@
# -*- coding: utf-8 -*-
# Define here the models for your spider middleware
#
# See documentation in:
# https://docs.scrapy.org/en/latest/topics/spider-middleware.html
from scrapy import signals
class ConfigSpiderSpiderMiddleware(object):
# Not all methods need to be defined. If a method is not defined,
# scrapy acts as if the spider middleware does not modify the
# passed objects.
@classmethod
def from_crawler(cls, crawler):
# This method is used by Scrapy to create your spiders.
s = cls()
crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
return s
def process_spider_input(self, response, spider):
# Called for each response that goes through the spider
# middleware and into the spider.
# Should return None or raise an exception.
return None
def process_spider_output(self, response, result, spider):
# Called with the results returned from the Spider, after
# it has processed the response.
# Must return an iterable of Request, dict or Item objects.
for i in result:
yield i
def process_spider_exception(self, response, exception, spider):
# Called when a spider or process_spider_input() method
# (from other spider middleware) raises an exception.
# Should return either None or an iterable of Request, dict
# or Item objects.
pass
def process_start_requests(self, start_requests, spider):
# Called with the start requests of the spider, and works
# similarly to the process_spider_output() method, except
# that it doesn’t have a response associated.
# Must return only requests (not items).
for r in start_requests:
yield r
def spider_opened(self, spider):
spider.logger.info('Spider opened: %s' % spider.name)
class ConfigSpiderDownloaderMiddleware(object):
# Not all methods need to be defined. If a method is not defined,
# scrapy acts as if the downloader middleware does not modify the
# passed objects.
@classmethod
def from_crawler(cls, crawler):
# This method is used by Scrapy to create your spiders.
s = cls()
crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
return s
def process_request(self, request, spider):
# Called for each request that goes through the downloader
# middleware.
# Must either:
# - return None: continue processing this request
# - or return a Response object
# - or return a Request object
# - or raise IgnoreRequest: process_exception() methods of
# installed downloader middleware will be called
return None
def process_response(self, request, response, spider):
# Called with the response returned from the downloader.
# Must either;
# - return a Response object
# - return a Request object
# - or raise IgnoreRequest
return response
def process_exception(self, request, exception, spider):
# Called when a download handler or a process_request()
# (from other downloader middleware) raises an exception.
# Must either:
# - return None: continue processing this exception
# - return a Response object: stops process_exception() chain
# - return a Request object: stops process_exception() chain
pass
def spider_opened(self, spider):
spider.logger.info('Spider opened: %s' % spider.name)

27
backend/template/scrapy/config_spider/pipelines.py Normal file
View File

@@ -0,0 +1,27 @@
# -*- coding: utf-8 -*-
# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html
import os
from pymongo import MongoClient
mongo = MongoClient(
host=os.environ.get('CRAWLAB_MONGO_HOST') or 'localhost',
port=int(os.environ.get('CRAWLAB_MONGO_PORT') or 27017),
username=os.environ.get('CRAWLAB_MONGO_USERNAME'),
password=os.environ.get('CRAWLAB_MONGO_PASSWORD'),
authSource=os.environ.get('CRAWLAB_MONGO_AUTHSOURCE') or 'admin'
)
db = mongo[os.environ.get('CRAWLAB_MONGO_DB') or 'test']
col = db[os.environ.get('CRAWLAB_COLLECTION') or 'test']
task_id = os.environ.get('CRAWLAB_TASK_ID')
class ConfigSpiderPipeline(object):
def process_item(self, item, spider):
item['task_id'] = task_id
if col is not None:
col.save(item)
return item

90
backend/template/scrapy/config_spider/settings.py Normal file
View File

@@ -0,0 +1,90 @@
# -*- coding: utf-8 -*-
# Scrapy settings for config_spider project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# https://docs.scrapy.org/en/latest/topics/settings.html
# https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
# https://docs.scrapy.org/en/latest/topics/spider-middleware.html
BOT_NAME = 'config_spider'
SPIDER_MODULES = ['config_spider.spiders']
NEWSPIDER_MODULE = 'config_spider.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'config_spider (+http://www.yourdomain.com)'
# Obey robots.txt rules
ROBOTSTXT_OBEY = True
# Configure maximum concurrent requests performed by Scrapy (default: 16)
#CONCURRENT_REQUESTS = 32
# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
#DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16
# Disable cookies (enabled by default)
#COOKIES_ENABLED = False
# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False
# Override the default request headers:
#DEFAULT_REQUEST_HEADERS = {
# 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
# 'Accept-Language': 'en',
#}
# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'config_spider.middlewares.ConfigSpiderSpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'config_spider.middlewares.ConfigSpiderDownloaderMiddleware': 543,
#}
# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
# 'scrapy.extensions.telnet.TelnetConsole': None,
#}
# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
'config_spider.pipelines.ConfigSpiderPipeline': 300,
}
# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False
# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = 'httpcache'
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

4
backend/template/scrapy/config_spider/spiders/__init__.py Normal file
View File

@@ -0,0 +1,4 @@
# This package will contain the spiders of your Scrapy project
#
# Please refer to the documentation for information on how to create and manage
# your spiders.

18
backend/template/scrapy/config_spider/spiders/spider.py Normal file
View File

@@ -0,0 +1,18 @@
# -*- coding: utf-8 -*-
import scrapy
import re
from config_spider.items import Item
from urllib.parse import urljoin
def get_real_url(response, url):
if re.search(r'^https?|^\/\/', url):
return url
return urljoin(response.url, url)
class ConfigSpider(scrapy.Spider):
name = 'config_spider'
def start_requests(self):
yield scrapy.Request(url='###START_URL###', callback=self.###START_STAGE###)
###PARSERS###

11
backend/template/scrapy/scrapy.cfg Normal file
View File

@@ -0,0 +1,11 @@
# Automatically created by: scrapy startproject
#
# For more information about the [deploy] section see:
# https://scrapyd.readthedocs.io/en/latest/deploy.html
[settings]
default = config_spider.settings
[deploy]
#url = http://localhost:6800/
project = config_spider

142
backend/utils/file.go
View File

@@ -3,11 +3,15 @@ package utils
import (
"archive/zip"
"bufio"
"fmt"
"github.com/apex/log"
"io"
"io/ioutil"
"os"
"path"
"path/filepath"
"runtime/debug"
"strings"
)
// 删除文件
@@ -71,6 +75,16 @@ func IsDir(path string) bool {
return s.IsDir()
}
func ListDir(path string) []os.FileInfo {
list, err := ioutil.ReadDir(path)
if err != nil {
log.Errorf(err.Error())
debug.PrintStack()
return nil
}
return list
}
// 判断所给路径是否为文件
func IsFile(path string) bool {
return !IsDir(path)
@@ -185,8 +199,7 @@ func Compress(files []*os.File, dest string) error {
w := zip.NewWriter(d)
defer Close(w)
for _, file := range files {
err := _Compress(file, "", w)
if err != nil {
if err := _Compress(file, "", w); err != nil {
return err
}
}
@@ -239,3 +252,128 @@ func _Compress(file *os.File, prefix string, zw *zip.Writer) error {
}
return nil
}
func GetFilesFromDir(dirPath string) ([]*os.File, error) {
var res []*os.File
for _, fInfo := range ListDir(dirPath) {
f, err := os.Open(filepath.Join(dirPath, fInfo.Name()))
if err != nil {
return res, err
}
res = append(res, f)
}
return res, nil
}
func GetAllFilesFromDir(dirPath string) ([]*os.File, error) {
var res []*os.File
if err := filepath.Walk(dirPath, func(path string, info os.FileInfo, err error) error {
if !IsDir(path) {
f, err2 := os.Open(path)
if err2 != nil {
return err
}
res = append(res, f)
}
return nil
}); err != nil {
log.Error(err.Error())
debug.PrintStack()
return res, err
}
return res, nil
}
// File copies a single file from src to dst
func CopyFile(src, dst string) error {
var err error
var srcFd *os.File
var dstFd *os.File
var srcInfo os.FileInfo
if srcFd, err = os.Open(src); err != nil {
return err
}
defer srcFd.Close()
if dstFd, err = os.Create(dst); err != nil {
return err
}
defer dstFd.Close()
if _, err = io.Copy(dstFd, srcFd); err != nil {
return err
}
if srcInfo, err = os.Stat(src); err != nil {
return err
}
return os.Chmod(dst, srcInfo.Mode())
}
// Dir copies a whole directory recursively
func CopyDir(src string, dst string) error {
var err error
var fds []os.FileInfo
var srcInfo os.FileInfo
if srcInfo, err = os.Stat(src); err != nil {
return err
}
if err = os.MkdirAll(dst, srcInfo.Mode()); err != nil {
return err
}
if fds, err = ioutil.ReadDir(src); err != nil {
return err
}
for _, fd := range fds {
srcfp := path.Join(src, fd.Name())
dstfp := path.Join(dst, fd.Name())
if fd.IsDir() {
if err = CopyDir(srcfp, dstfp); err != nil {
fmt.Println(err)
}
} else {
if err = CopyFile(srcfp, dstfp); err != nil {
fmt.Println(err)
}
}
}
return nil
}
// 设置文件变量值
// 可以理解为将文件中的变量占位符替换为想要设置的值
func SetFileVariable(filePath string, key string, value string) error {
// 占位符标识
sep := "###"
// 读取文件到字节
contentBytes, err := ioutil.ReadFile(filePath)
if err != nil {
return err
}
// 将字节转化为文本
content := string(contentBytes)
// 替换文本
content = strings.Replace(content, fmt.Sprintf("%s%s%s", sep, key, sep), value, -1)
// 打开文件
f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_TRUNC, 0777)
if err != nil {
return err
}
// 将替换后的内容写入文件
if _, err := f.Write([]byte(content)); err != nil {
return err
}
f.Close()
return nil
}

294
backend/vendor/github.com/globalsign/mgo/bson/bson_corpus_spec_test_generator.go generated vendored
View File

@@ -1,294 +0,0 @@
// +build ignore
package main
import (
"bytes"
"fmt"
"go/format"
"html/template"
"io/ioutil"
"log"
"path/filepath"
"strings"
"github.com/globalsign/mgo/internal/json"
)
func main() {
log.SetFlags(0)
log.SetPrefix(name + ": ")
var g Generator
fmt.Fprintf(&g, "// Code generated by \"%s.go\"; DO NOT EDIT\n\n", name)
src := g.generate()
err := ioutil.WriteFile(fmt.Sprintf("%s.go", strings.TrimSuffix(name, "_generator")), src, 0644)
if err != nil {
log.Fatalf("writing output: %s", err)
}
}
// Generator holds the state of the analysis. Primarily used to buffer
// the output for format.Source.
type Generator struct {
bytes.Buffer // Accumulated output.
}
// format returns the gofmt-ed contents of the Generator's buffer.
func (g *Generator) format() []byte {
src, err := format.Source(g.Bytes())
if err != nil {
// Should never happen, but can arise when developing this code.
// The user can compile the output to see the error.
log.Printf("warning: internal error: invalid Go generated: %s", err)
log.Printf("warning: compile the package to analyze the error")
return g.Bytes()
}
return src
}
// EVERYTHING ABOVE IS CONSTANT BETWEEN THE GENERATORS
const name = "bson_corpus_spec_test_generator"
func (g *Generator) generate() []byte {
testFiles, err := filepath.Glob("./specdata/specifications/source/bson-corpus/tests/*.json")
if err != nil {
log.Fatalf("error reading bson-corpus files: %s", err)
}
tests, err := g.loadTests(testFiles)
if err != nil {
log.Fatalf("error loading tests: %s", err)
}
tmpl, err := g.getTemplate()
if err != nil {
log.Fatalf("error loading template: %s", err)
}
tmpl.Execute(&g.Buffer, tests)
return g.format()
}
func (g *Generator) loadTests(filenames []string) ([]*testDef, error) {
var tests []*testDef
for _, filename := range filenames {
test, err := g.loadTest(filename)
if err != nil {
return nil, err
}
tests = append(tests, test)
}
return tests, nil
}
func (g *Generator) loadTest(filename string) (*testDef, error) {
content, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
var testDef testDef
err = json.Unmarshal(content, &testDef)
if err != nil {
return nil, err
}
names := make(map[string]struct{})
for i := len(testDef.Valid) - 1; i >= 0; i-- {
if testDef.BsonType == "0x05" && testDef.Valid[i].Description == "subtype 0x02" {
testDef.Valid = append(testDef.Valid[:i], testDef.Valid[i+1:]...)
continue
}
name := cleanupFuncName(testDef.Description + "_" + testDef.Valid[i].Description)
nameIdx := name
j := 1
for {
if _, ok := names[nameIdx]; !ok {
break
}
nameIdx = fmt.Sprintf("%s_%d", name, j)
}
names[nameIdx] = struct{}{}
testDef.Valid[i].TestDef = &testDef
testDef.Valid[i].Name = nameIdx
testDef.Valid[i].StructTest = testDef.TestKey != "" &&
(testDef.BsonType != "0x05" || strings.Contains(testDef.Valid[i].Description, "0x00")) &&
!testDef.Deprecated
}
for i := len(testDef.DecodeErrors) - 1; i >= 0; i-- {
if strings.Contains(testDef.DecodeErrors[i].Description, "UTF-8") {
testDef.DecodeErrors = append(testDef.DecodeErrors[:i], testDef.DecodeErrors[i+1:]...)
continue
}
name := cleanupFuncName(testDef.Description + "_" + testDef.DecodeErrors[i].Description)
nameIdx := name
j := 1
for {
if _, ok := names[nameIdx]; !ok {
break
}
nameIdx = fmt.Sprintf("%s_%d", name, j)
}
names[nameIdx] = struct{}{}
testDef.DecodeErrors[i].Name = nameIdx
}
return &testDef, nil
}
func (g *Generator) getTemplate() (*template.Template, error) {
content := `package bson_test
import (
"encoding/hex"
"time"
. "gopkg.in/check.v1"
"github.com/globalsign/mgo/bson"
)
func testValid(c *C, in []byte, expected []byte, result interface{}) {
err := bson.Unmarshal(in, result)
c.Assert(err, IsNil)
out, err := bson.Marshal(result)
c.Assert(err, IsNil)
c.Assert(string(expected), Equals, string(out), Commentf("roundtrip failed for %T, expected '%x' but got '%x'", result, expected, out))
}
func testDecodeSkip(c *C, in []byte) {
err := bson.Unmarshal(in, &struct{}{})
c.Assert(err, IsNil)
}
func testDecodeError(c *C, in []byte, result interface{}) {
err := bson.Unmarshal(in, result)
c.Assert(err, Not(IsNil))
}
{{range .}}
{{range .Valid}}
func (s *S) Test{{.Name}}(c *C) {
b, err := hex.DecodeString("{{.Bson}}")
c.Assert(err, IsNil)
{{if .CanonicalBson}}
cb, err := hex.DecodeString("{{.CanonicalBson}}")
c.Assert(err, IsNil)
{{else}}
cb := b
{{end}}
var resultD bson.D
testValid(c, b, cb, &resultD)
{{if .StructTest}}var resultS struct {
Element {{.TestDef.GoType}} ` + "`bson:\"{{.TestDef.TestKey}}\"`" + `
}
testValid(c, b, cb, &resultS){{end}}
testDecodeSkip(c, b)
}
{{end}}
{{range .DecodeErrors}}
func (s *S) Test{{.Name}}(c *C) {
b, err := hex.DecodeString("{{.Bson}}")
c.Assert(err, IsNil)
var resultD bson.D
testDecodeError(c, b, &resultD)
}
{{end}}
{{end}}
`
tmpl, err := template.New("").Parse(content)
if err != nil {
return nil, err
}
return tmpl, nil
}
func cleanupFuncName(name string) string {
return strings.Map(func(r rune) rune {
if (r >= 48 && r <= 57) || (r >= 65 && r <= 90) || (r >= 97 && r <= 122) {
return r
}
return '_'
}, name)
}
type testDef struct {
Description string `json:"description"`
BsonType string `json:"bson_type"`
TestKey string `json:"test_key"`
Valid []*valid `json:"valid"`
DecodeErrors []*decodeError `json:"decodeErrors"`
Deprecated bool `json:"deprecated"`
}
func (t *testDef) GoType() string {
switch t.BsonType {
case "0x01":
return "float64"
case "0x02":
return "string"
case "0x03":
return "bson.D"
case "0x04":
return "[]interface{}"
case "0x05":
return "[]byte"
case "0x07":
return "bson.ObjectId"
case "0x08":
return "bool"
case "0x09":
return "time.Time"
case "0x0E":
return "string"
case "0x10":
return "int32"
case "0x12":
return "int64"
case "0x13":
return "bson.Decimal"
default:
return "interface{}"
}
}
type valid struct {
Description string `json:"description"`
Bson string `json:"bson"`
CanonicalBson string `json:"canonical_bson"`
Name string
StructTest bool
TestDef *testDef
}
type decodeError struct {
Description string `json:"description"`
Bson string `json:"bson"`
Name string
}

24
backend/vendor/github.com/go-playground/locales/.gitignore generated vendored Normal file
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof

21
backend/vendor/github.com/go-playground/locales/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2016 Go Playground
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

172
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## locales
<img align="right" src="https://raw.githubusercontent.com/go-playground/locales/master/logo.png">![Project status](https://img.shields.io/badge/version-0.12.1-green.svg)
[![Build Status](https://semaphoreci.com/api/v1/joeybloggs/locales/branches/master/badge.svg)](https://semaphoreci.com/joeybloggs/locales)
[![Go Report Card](https://goreportcard.com/badge/github.com/go-playground/locales)](https://goreportcard.com/report/github.com/go-playground/locales)
[![GoDoc](https://godoc.org/github.com/go-playground/locales?status.svg)](https://godoc.org/github.com/go-playground/locales)
![License](https://img.shields.io/dub/l/vibe-d.svg)
[![Gitter](https://badges.gitter.im/go-playground/locales.svg)](https://gitter.im/go-playground/locales?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
Locales is a set of locales generated from the [Unicode CLDR Project](http://cldr.unicode.org/) which can be used independently or within
an i18n package; these were built for use with, but not exclusive to, [Universal Translator](https://github.com/go-playground/universal-translator).
Features
--------
- [x] Rules generated from the latest [CLDR](http://cldr.unicode.org/index/downloads) data, v31.0.1
- [x] Contains Cardinal, Ordinal and Range Plural Rules
- [x] Contains Month, Weekday and Timezone translations built in
- [x] Contains Date & Time formatting functions
- [x] Contains Number, Currency, Accounting and Percent formatting functions
- [x] Supports the "Gregorian" calendar only ( my time isn't unlimited, had to draw the line somewhere )
Full Tests
--------------------
I could sure use your help adding tests for every locale, it is a huge undertaking and I just don't have the free time to do it all at the moment;
any help would be **greatly appreciated!!!!** please see [issue](https://github.com/go-playground/locales/issues/1) for details.
Installation
-----------
Use go get
```shell
go get github.com/go-playground/locales
```
NOTES
--------
You'll notice most return types are []byte, this is because most of the time the results will be concatenated with a larger body
of text and can avoid some allocations if already appending to a byte array, otherwise just cast as string.
Usage
-------
```go
package main
import (
"fmt"
"time"
"github.com/go-playground/locales/currency"
"github.com/go-playground/locales/en_CA"
)
func main() {
loc, _ := time.LoadLocation("America/Toronto")
datetime := time.Date(2016, 02, 03, 9, 0, 1, 0, loc)
l := en_CA.New()
// Dates
fmt.Println(l.FmtDateFull(datetime))
fmt.Println(l.FmtDateLong(datetime))
fmt.Println(l.FmtDateMedium(datetime))
fmt.Println(l.FmtDateShort(datetime))
// Times
fmt.Println(l.FmtTimeFull(datetime))
fmt.Println(l.FmtTimeLong(datetime))
fmt.Println(l.FmtTimeMedium(datetime))
fmt.Println(l.FmtTimeShort(datetime))
// Months Wide
fmt.Println(l.MonthWide(time.January))
fmt.Println(l.MonthWide(time.February))
fmt.Println(l.MonthWide(time.March))
// ...
// Months Abbreviated
fmt.Println(l.MonthAbbreviated(time.January))
fmt.Println(l.MonthAbbreviated(time.February))
fmt.Println(l.MonthAbbreviated(time.March))
// ...
// Months Narrow
fmt.Println(l.MonthNarrow(time.January))
fmt.Println(l.MonthNarrow(time.February))
fmt.Println(l.MonthNarrow(time.March))
// ...
// Weekdays Wide
fmt.Println(l.WeekdayWide(time.Sunday))
fmt.Println(l.WeekdayWide(time.Monday))
fmt.Println(l.WeekdayWide(time.Tuesday))
// ...
// Weekdays Abbreviated
fmt.Println(l.WeekdayAbbreviated(time.Sunday))
fmt.Println(l.WeekdayAbbreviated(time.Monday))
fmt.Println(l.WeekdayAbbreviated(time.Tuesday))
// ...
// Weekdays Short
fmt.Println(l.WeekdayShort(time.Sunday))
fmt.Println(l.WeekdayShort(time.Monday))
fmt.Println(l.WeekdayShort(time.Tuesday))
// ...
// Weekdays Narrow
fmt.Println(l.WeekdayNarrow(time.Sunday))
fmt.Println(l.WeekdayNarrow(time.Monday))
fmt.Println(l.WeekdayNarrow(time.Tuesday))
// ...
var f64 float64
f64 = -10356.4523
// Number
fmt.Println(l.FmtNumber(f64, 2))
// Currency
fmt.Println(l.FmtCurrency(f64, 2, currency.CAD))
fmt.Println(l.FmtCurrency(f64, 2, currency.USD))
// Accounting
fmt.Println(l.FmtAccounting(f64, 2, currency.CAD))
fmt.Println(l.FmtAccounting(f64, 2, currency.USD))
f64 = 78.12
// Percent
fmt.Println(l.FmtPercent(f64, 0))
// Plural Rules for locale, so you know what rules you must cover
fmt.Println(l.PluralsCardinal())
fmt.Println(l.PluralsOrdinal())
// Cardinal Plural Rules
fmt.Println(l.CardinalPluralRule(1, 0))
fmt.Println(l.CardinalPluralRule(1.0, 0))
fmt.Println(l.CardinalPluralRule(1.0, 1))
fmt.Println(l.CardinalPluralRule(3, 0))
// Ordinal Plural Rules
fmt.Println(l.OrdinalPluralRule(21, 0)) // 21st
fmt.Println(l.OrdinalPluralRule(22, 0)) // 22nd
fmt.Println(l.OrdinalPluralRule(33, 0)) // 33rd
fmt.Println(l.OrdinalPluralRule(34, 0)) // 34th
// Range Plural Rules
fmt.Println(l.RangePluralRule(1, 0, 1, 0)) // 1-1
fmt.Println(l.RangePluralRule(1, 0, 2, 0)) // 1-2
fmt.Println(l.RangePluralRule(5, 0, 8, 0)) // 5-8
}
```
NOTES:
-------
These rules were generated from the [Unicode CLDR Project](http://cldr.unicode.org/), if you encounter any issues
I strongly encourage contributing to the CLDR project to get the locale information corrected and the next time
these locales are regenerated the fix will come with.
I do however realize that time constraints are often important and so there are two options:
1. Create your own locale, copy, paste and modify, and ensure it complies with the `Translator` interface.
2. Add an exception in the locale generation code directly and once regenerated, fix will be in place.
Please to not make fixes inside the locale files, they WILL get overwritten when the locales are regenerated.
License
------
Distributed under MIT License, please see license file in code for more details.

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backend/vendor/github.com/go-playground/locales/currency/currency.go generated vendored Normal file
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package currency
// Type is the currency type associated with the locales currency enum
type Type int
// locale currencies
const (
ADP Type = iota
AED
AFA
AFN
ALK
ALL
AMD
ANG
AOA
AOK
AON
AOR
ARA
ARL
ARM
ARP
ARS
ATS
AUD
AWG
AZM
AZN
BAD
BAM
BAN
BBD
BDT
BEC
BEF
BEL
BGL
BGM
BGN
BGO
BHD
BIF
BMD
BND
BOB
BOL
BOP
BOV
BRB
BRC
BRE
BRL
BRN
BRR
BRZ
BSD
BTN
BUK
BWP
BYB
BYN
BYR
BZD
CAD
CDF
CHE
CHF
CHW
CLE
CLF
CLP
CNH
CNX
CNY
COP
COU
CRC
CSD
CSK
CUC
CUP
CVE
CYP
CZK
DDM
DEM
DJF
DKK
DOP
DZD
ECS
ECV
EEK
EGP
ERN
ESA
ESB
ESP
ETB
EUR
FIM
FJD
FKP
FRF
GBP
GEK
GEL
GHC
GHS
GIP
GMD
GNF
GNS
GQE
GRD
GTQ
GWE
GWP
GYD
HKD
HNL
HRD
HRK
HTG
HUF
IDR
IEP
ILP
ILR
ILS
INR
IQD
IRR
ISJ
ISK
ITL
JMD
JOD
JPY
KES
KGS
KHR
KMF
KPW
KRH
KRO
KRW
KWD
KYD
KZT
LAK
LBP
LKR
LRD
LSL
LTL
LTT
LUC
LUF
LUL
LVL
LVR
LYD
MAD
MAF
MCF
MDC
MDL
MGA
MGF
MKD
MKN
MLF
MMK
MNT
MOP
MRO
MTL
MTP
MUR
MVP
MVR
MWK
MXN
MXP
MXV
MYR
MZE
MZM
MZN
NAD
NGN
NIC
NIO
NLG
NOK
NPR
NZD
OMR
PAB
PEI
PEN
PES
PGK
PHP
PKR
PLN
PLZ
PTE
PYG
QAR
RHD
ROL
RON
RSD
RUB
RUR
RWF
SAR
SBD
SCR
SDD
SDG
SDP
SEK
SGD
SHP
SIT
SKK
SLL
SOS
SRD
SRG
SSP
STD
STN
SUR
SVC
SYP
SZL
THB
TJR
TJS
TMM
TMT
TND
TOP
TPE
TRL
TRY
TTD
TWD
TZS
UAH
UAK
UGS
UGX
USD
USN
USS
UYI
UYP
UYU
UZS
VEB
VEF
VND
VNN
VUV
WST
XAF
XAG
XAU
XBA
XBB
XBC
XBD
XCD
XDR
XEU
XFO
XFU
XOF
XPD
XPF
XPT
XRE
XSU
XTS
XUA
XXX
YDD
YER
YUD
YUM
YUN
YUR
ZAL
ZAR
ZMK
ZMW
ZRN
ZRZ
ZWD
ZWL
ZWR
)

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293
backend/vendor/github.com/go-playground/locales/rules.go generated vendored Normal file
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package locales
import (
"strconv"
"time"
"github.com/go-playground/locales/currency"
)
// // ErrBadNumberValue is returned when the number passed for
// // plural rule determination cannot be parsed
// type ErrBadNumberValue struct {
// NumberValue string
// InnerError error
// }
// // Error returns ErrBadNumberValue error string
// func (e *ErrBadNumberValue) Error() string {
// return fmt.Sprintf("Invalid Number Value '%s' %s", e.NumberValue, e.InnerError)
// }
// var _ error = new(ErrBadNumberValue)
// PluralRule denotes the type of plural rules
type PluralRule int
// PluralRule's
const (
PluralRuleUnknown PluralRule = iota
PluralRuleZero // zero
PluralRuleOne // one - singular
PluralRuleTwo // two - dual
PluralRuleFew // few - paucal
PluralRuleMany // many - also used for fractions if they have a separate class
PluralRuleOther // other - required—general plural form—also used if the language only has a single form
)
const (
pluralsString = "UnknownZeroOneTwoFewManyOther"
)
// Translator encapsulates an instance of a locale
// NOTE: some values are returned as a []byte just in case the caller
// wishes to add more and can help avoid allocations; otherwise just cast as string
type Translator interface {
// The following Functions are for overriding, debugging or developing
// with a Translator Locale
// Locale returns the string value of the translator
Locale() string
// returns an array of cardinal plural rules associated
// with this translator
PluralsCardinal() []PluralRule
// returns an array of ordinal plural rules associated
// with this translator
PluralsOrdinal() []PluralRule
// returns an array of range plural rules associated
// with this translator
PluralsRange() []PluralRule
// returns the cardinal PluralRule given 'num' and digits/precision of 'v' for locale
CardinalPluralRule(num float64, v uint64) PluralRule
// returns the ordinal PluralRule given 'num' and digits/precision of 'v' for locale
OrdinalPluralRule(num float64, v uint64) PluralRule
// returns the ordinal PluralRule given 'num1', 'num2' and digits/precision of 'v1' and 'v2' for locale
RangePluralRule(num1 float64, v1 uint64, num2 float64, v2 uint64) PluralRule
// returns the locales abbreviated month given the 'month' provided
MonthAbbreviated(month time.Month) string
// returns the locales abbreviated months
MonthsAbbreviated() []string
// returns the locales narrow month given the 'month' provided
MonthNarrow(month time.Month) string
// returns the locales narrow months
MonthsNarrow() []string
// returns the locales wide month given the 'month' provided
MonthWide(month time.Month) string
// returns the locales wide months
MonthsWide() []string
// returns the locales abbreviated weekday given the 'weekday' provided
WeekdayAbbreviated(weekday time.Weekday) string
// returns the locales abbreviated weekdays
WeekdaysAbbreviated() []string
// returns the locales narrow weekday given the 'weekday' provided
WeekdayNarrow(weekday time.Weekday) string
// WeekdaysNarrowreturns the locales narrow weekdays
WeekdaysNarrow() []string
// returns the locales short weekday given the 'weekday' provided
WeekdayShort(weekday time.Weekday) string
// returns the locales short weekdays
WeekdaysShort() []string
// returns the locales wide weekday given the 'weekday' provided
WeekdayWide(weekday time.Weekday) string
// returns the locales wide weekdays
WeekdaysWide() []string
// The following Functions are common Formatting functionsfor the Translator's Locale
// returns 'num' with digits/precision of 'v' for locale and handles both Whole and Real numbers based on 'v'
FmtNumber(num float64, v uint64) string
// returns 'num' with digits/precision of 'v' for locale and handles both Whole and Real numbers based on 'v'
// NOTE: 'num' passed into FmtPercent is assumed to be in percent already
FmtPercent(num float64, v uint64) string
// returns the currency representation of 'num' with digits/precision of 'v' for locale
FmtCurrency(num float64, v uint64, currency currency.Type) string
// returns the currency representation of 'num' with digits/precision of 'v' for locale
// in accounting notation.
FmtAccounting(num float64, v uint64, currency currency.Type) string
// returns the short date representation of 't' for locale
FmtDateShort(t time.Time) string
// returns the medium date representation of 't' for locale
FmtDateMedium(t time.Time) string
// returns the long date representation of 't' for locale
FmtDateLong(t time.Time) string
// returns the full date representation of 't' for locale
FmtDateFull(t time.Time) string
// returns the short time representation of 't' for locale
FmtTimeShort(t time.Time) string
// returns the medium time representation of 't' for locale
FmtTimeMedium(t time.Time) string
// returns the long time representation of 't' for locale
FmtTimeLong(t time.Time) string
// returns the full time representation of 't' for locale
FmtTimeFull(t time.Time) string
}
// String returns the string value of PluralRule
func (p PluralRule) String() string {
switch p {
case PluralRuleZero:
return pluralsString[7:11]
case PluralRuleOne:
return pluralsString[11:14]
case PluralRuleTwo:
return pluralsString[14:17]
case PluralRuleFew:
return pluralsString[17:20]
case PluralRuleMany:
return pluralsString[20:24]
case PluralRuleOther:
return pluralsString[24:]
default:
return pluralsString[:7]
}
}
//
// Precision Notes:
//
// must specify a precision >= 0, and here is why https://play.golang.org/p/LyL90U0Vyh
//
// v := float64(3.141)
// i := float64(int64(v))
//
// fmt.Println(v - i)
//
// or
//
// s := strconv.FormatFloat(v-i, 'f', -1, 64)
// fmt.Println(s)
//
// these will not print what you'd expect: 0.14100000000000001
// and so this library requires a precision to be specified, or
// inaccurate plural rules could be applied.
//
//
//
// n - absolute value of the source number (integer and decimals).
// i - integer digits of n.
// v - number of visible fraction digits in n, with trailing zeros.
// w - number of visible fraction digits in n, without trailing zeros.
// f - visible fractional digits in n, with trailing zeros.
// t - visible fractional digits in n, without trailing zeros.
//
//
// Func(num float64, v uint64) // v = digits/precision and prevents -1 as a special case as this can lead to very unexpected behaviour, see precision note's above.
//
// n := math.Abs(num)
// i := int64(n)
// v := v
//
//
// w := strconv.FormatFloat(num-float64(i), 'f', int(v), 64) // then parse backwards on string until no more zero's....
// f := strconv.FormatFloat(n, 'f', int(v), 64) // then turn everything after decimal into an int64
// t := strconv.FormatFloat(n, 'f', int(v), 64) // then parse backwards on string until no more zero's....
//
//
//
// General Inclusion Rules
// - v will always be available inherently
// - all require n
// - w requires i
//
// W returns the number of visible fraction digits in N, without trailing zeros.
func W(n float64, v uint64) (w int64) {
s := strconv.FormatFloat(n-float64(int64(n)), 'f', int(v), 64)
// with either be '0' or '0.xxxx', so if 1 then w will be zero
// otherwise need to parse
if len(s) != 1 {
s = s[2:]
end := len(s) + 1
for i := end; i >= 0; i-- {
if s[i] != '0' {
end = i + 1
break
}
}
w = int64(len(s[:end]))
}
return
}
// F returns the visible fractional digits in N, with trailing zeros.
func F(n float64, v uint64) (f int64) {
s := strconv.FormatFloat(n-float64(int64(n)), 'f', int(v), 64)
// with either be '0' or '0.xxxx', so if 1 then f will be zero
// otherwise need to parse
if len(s) != 1 {
// ignoring error, because it can't fail as we generated
// the string internally from a real number
f, _ = strconv.ParseInt(s[2:], 10, 64)
}
return
}
// T returns the visible fractional digits in N, without trailing zeros.
func T(n float64, v uint64) (t int64) {
s := strconv.FormatFloat(n-float64(int64(n)), 'f', int(v), 64)
// with either be '0' or '0.xxxx', so if 1 then t will be zero
// otherwise need to parse
if len(s) != 1 {
s = s[2:]
end := len(s) + 1
for i := end; i >= 0; i-- {
if s[i] != '0' {
end = i + 1
break
}
}
// ignoring error, because it can't fail as we generated
// the string internally from a real number
t, _ = strconv.ParseInt(s[:end], 10, 64)
}
return
}

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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof

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The MIT License (MIT)
Copyright (c) 2016 Go Playground
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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## universal-translator
<img align="right" src="https://raw.githubusercontent.com/go-playground/universal-translator/master/logo.png">
![Project status](https://img.shields.io/badge/version-0.16.0-green.svg)
[![Build Status](https://semaphoreci.com/api/v1/joeybloggs/universal-translator/branches/master/badge.svg)](https://semaphoreci.com/joeybloggs/universal-translator)
[![Coverage Status](https://coveralls.io/repos/github/go-playground/universal-translator/badge.svg)](https://coveralls.io/github/go-playground/universal-translator)
[![Go Report Card](https://goreportcard.com/badge/github.com/go-playground/universal-translator)](https://goreportcard.com/report/github.com/go-playground/universal-translator)
[![GoDoc](https://godoc.org/github.com/go-playground/universal-translator?status.svg)](https://godoc.org/github.com/go-playground/universal-translator)
![License](https://img.shields.io/dub/l/vibe-d.svg)
[![Gitter](https://badges.gitter.im/go-playground/universal-translator.svg)](https://gitter.im/go-playground/universal-translator?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
Universal Translator is an i18n Translator for Go/Golang using CLDR data + pluralization rules
Why another i18n library?
--------------------------
Because none of the plural rules seem to be correct out there, including the previous implementation of this package,
so I took it upon myself to create [locales](https://github.com/go-playground/locales) for everyone to use; this package
is a thin wrapper around [locales](https://github.com/go-playground/locales) in order to store and translate text for
use in your applications.
Features
--------
- [x] Rules generated from the [CLDR](http://cldr.unicode.org/index/downloads) data, v30.0.3
- [x] Contains Cardinal, Ordinal and Range Plural Rules
- [x] Contains Month, Weekday and Timezone translations built in
- [x] Contains Date & Time formatting functions
- [x] Contains Number, Currency, Accounting and Percent formatting functions
- [x] Supports the "Gregorian" calendar only ( my time isn't unlimited, had to draw the line somewhere )
- [x] Support loading translations from files
- [x] Exporting translations to file(s), mainly for getting them professionally translated
- [ ] Code Generation for translation files -> Go code.. i.e. after it has been professionally translated
- [ ] Tests for all languages, I need help with this, please see [here](https://github.com/go-playground/locales/issues/1)
Installation
-----------
Use go get
```shell
go get github.com/go-playground/universal-translator
```
Usage & Documentation
-------
Please see https://godoc.org/github.com/go-playground/universal-translator for usage docs
##### Examples:
- [Basic](https://github.com/go-playground/universal-translator/tree/master/examples/basic)
- [Full - no files](https://github.com/go-playground/universal-translator/tree/master/examples/full-no-files)
- [Full - with files](https://github.com/go-playground/universal-translator/tree/master/examples/full-with-files)
File formatting
--------------
All types, Plain substitution, Cardinal, Ordinal and Range translations can all be contained withing the same file(s);
they are only separated for easy viewing.
##### Examples:
- [Formats](https://github.com/go-playground/universal-translator/tree/master/examples/file-formats)
##### Basic Makeup
NOTE: not all fields are needed for all translation types, see [examples](https://github.com/go-playground/universal-translator/tree/master/examples/file-formats)
```json
{
"locale": "en",
"key": "days-left",
"trans": "You have {0} day left.",
"type": "Cardinal",
"rule": "One",
"override": false
}
```
|Field|Description|
|---|---|
|locale|The locale for which the translation is for.|
|key|The translation key that will be used to store and lookup each translation; normally it is a string or integer.|
|trans|The actual translation text.|
|type|The type of translation Cardinal, Ordinal, Range or "" for a plain substitution(not required to be defined if plain used)|
|rule|The plural rule for which the translation is for eg. One, Two, Few, Many or Other.(not required to be defined if plain used)|
|override|If you wish to override an existing translation that has already been registered, set this to 'true'. 99% of the time there is no need to define it.|
Help With Tests
---------------
To anyone interesting in helping or contributing, I sure could use some help creating tests for each language.
Please see issue [here](https://github.com/go-playground/locales/issues/1) for details.
License
------
Distributed under MIT License, please see license file in code for more details.

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package ut
import (
"errors"
"fmt"
"github.com/go-playground/locales"
)
var (
// ErrUnknowTranslation indicates the translation could not be found
ErrUnknowTranslation = errors.New("Unknown Translation")
)
var _ error = new(ErrConflictingTranslation)
var _ error = new(ErrRangeTranslation)
var _ error = new(ErrOrdinalTranslation)
var _ error = new(ErrCardinalTranslation)
var _ error = new(ErrMissingPluralTranslation)
var _ error = new(ErrExistingTranslator)
// ErrExistingTranslator is the error representing a conflicting translator
type ErrExistingTranslator struct {
locale string
}
// Error returns ErrExistingTranslator's internal error text
func (e *ErrExistingTranslator) Error() string {
return fmt.Sprintf("error: conflicting translator for locale '%s'", e.locale)
}
// ErrConflictingTranslation is the error representing a conflicting translation
type ErrConflictingTranslation struct {
locale string
key interface{}
rule locales.PluralRule
text string
}
// Error returns ErrConflictingTranslation's internal error text
func (e *ErrConflictingTranslation) Error() string {
if _, ok := e.key.(string); !ok {
return fmt.Sprintf("error: conflicting key '%#v' rule '%s' with text '%s' for locale '%s', value being ignored", e.key, e.rule, e.text, e.locale)
}
return fmt.Sprintf("error: conflicting key '%s' rule '%s' with text '%s' for locale '%s', value being ignored", e.key, e.rule, e.text, e.locale)
}
// ErrRangeTranslation is the error representing a range translation error
type ErrRangeTranslation struct {
text string
}
// Error returns ErrRangeTranslation's internal error text
func (e *ErrRangeTranslation) Error() string {
return e.text
}
// ErrOrdinalTranslation is the error representing an ordinal translation error
type ErrOrdinalTranslation struct {
text string
}
// Error returns ErrOrdinalTranslation's internal error text
func (e *ErrOrdinalTranslation) Error() string {
return e.text
}
// ErrCardinalTranslation is the error representing a cardinal translation error
type ErrCardinalTranslation struct {
text string
}
// Error returns ErrCardinalTranslation's internal error text
func (e *ErrCardinalTranslation) Error() string {
return e.text
}
// ErrMissingPluralTranslation is the error signifying a missing translation given
// the locales plural rules.
type ErrMissingPluralTranslation struct {
locale string
key interface{}
rule locales.PluralRule
translationType string
}
// Error returns ErrMissingPluralTranslation's internal error text
func (e *ErrMissingPluralTranslation) Error() string {
if _, ok := e.key.(string); !ok {
return fmt.Sprintf("error: missing '%s' plural rule '%s' for translation with key '%#v' and locale '%s'", e.translationType, e.rule, e.key, e.locale)
}
return fmt.Sprintf("error: missing '%s' plural rule '%s' for translation with key '%s' and locale '%s'", e.translationType, e.rule, e.key, e.locale)
}
// ErrMissingBracket is the error representing a missing bracket in a translation
// eg. This is a {0 <-- missing ending '}'
type ErrMissingBracket struct {
locale string
key interface{}
text string
}
// Error returns ErrMissingBracket error message
func (e *ErrMissingBracket) Error() string {
return fmt.Sprintf("error: missing bracket '{}', in translation. locale: '%s' key: '%v' text: '%s'", e.locale, e.key, e.text)
}
// ErrBadParamSyntax is the error representing a bad parameter definition in a translation
// eg. This is a {must-be-int}
type ErrBadParamSyntax struct {
locale string
param string
key interface{}
text string
}
// Error returns ErrBadParamSyntax error message
func (e *ErrBadParamSyntax) Error() string {
return fmt.Sprintf("error: bad parameter syntax, missing parameter '%s' in translation. locale: '%s' key: '%v' text: '%s'", e.param, e.locale, e.key, e.text)
}
// import/export errors
// ErrMissingLocale is the error representing an expected locale that could
// not be found aka locale not registered with the UniversalTranslator Instance
type ErrMissingLocale struct {
locale string
}
// Error returns ErrMissingLocale's internal error text
func (e *ErrMissingLocale) Error() string {
return fmt.Sprintf("error: locale '%s' not registered.", e.locale)
}
// ErrBadPluralDefinition is the error representing an incorrect plural definition
// usually found within translations defined within files during the import process.
type ErrBadPluralDefinition struct {
tl translation
}
// Error returns ErrBadPluralDefinition's internal error text
func (e *ErrBadPluralDefinition) Error() string {
return fmt.Sprintf("error: bad plural definition '%#v'", e.tl)
}

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package ut
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"io"
"github.com/go-playground/locales"
)
type translation struct {
Locale string `json:"locale"`
Key interface{} `json:"key"` // either string or integer
Translation string `json:"trans"`
PluralType string `json:"type,omitempty"`
PluralRule string `json:"rule,omitempty"`
OverrideExisting bool `json:"override,omitempty"`
}
const (
cardinalType = "Cardinal"
ordinalType = "Ordinal"
rangeType = "Range"
)
// ImportExportFormat is the format of the file import or export
type ImportExportFormat uint8
// supported Export Formats
const (
FormatJSON ImportExportFormat = iota
)
// Export writes the translations out to a file on disk.
//
// NOTE: this currently only works with string or int translations keys.
func (t *UniversalTranslator) Export(format ImportExportFormat, dirname string) error {
_, err := os.Stat(dirname)
fmt.Println(dirname, err, os.IsNotExist(err))
if err != nil {
if !os.IsNotExist(err) {
return err
}
if err = os.MkdirAll(dirname, 0744); err != nil {
return err
}
}
// build up translations
var trans []translation
var b []byte
var ext string
for _, locale := range t.translators {
for k, v := range locale.(*translator).translations {
trans = append(trans, translation{
Locale: locale.Locale(),
Key: k,
Translation: v.text,
})
}
for k, pluralTrans := range locale.(*translator).cardinalTanslations {
for i, plural := range pluralTrans {
// leave enough for all plural rules
// but not all are set for all languages.
if plural == nil {
continue
}
trans = append(trans, translation{
Locale: locale.Locale(),
Key: k.(string),
Translation: plural.text,
PluralType: cardinalType,
PluralRule: locales.PluralRule(i).String(),
})
}
}
for k, pluralTrans := range locale.(*translator).ordinalTanslations {
for i, plural := range pluralTrans {
// leave enough for all plural rules
// but not all are set for all languages.
if plural == nil {
continue
}
trans = append(trans, translation{
Locale: locale.Locale(),
Key: k.(string),
Translation: plural.text,
PluralType: ordinalType,
PluralRule: locales.PluralRule(i).String(),
})
}
}
for k, pluralTrans := range locale.(*translator).rangeTanslations {
for i, plural := range pluralTrans {
// leave enough for all plural rules
// but not all are set for all languages.
if plural == nil {
continue
}
trans = append(trans, translation{
Locale: locale.Locale(),
Key: k.(string),
Translation: plural.text,
PluralType: rangeType,
PluralRule: locales.PluralRule(i).String(),
})
}
}
switch format {
case FormatJSON:
b, err = json.MarshalIndent(trans, "", " ")
ext = ".json"
}
if err != nil {
return err
}
err = ioutil.WriteFile(filepath.Join(dirname, fmt.Sprintf("%s%s", locale.Locale(), ext)), b, 0644)
if err != nil {
return err
}
trans = trans[0:0]
}
return nil
}
// Import reads the translations out of a file or directory on disk.
//
// NOTE: this currently only works with string or int translations keys.
func (t *UniversalTranslator) Import(format ImportExportFormat, dirnameOrFilename string) error {
fi, err := os.Stat(dirnameOrFilename)
if err != nil {
return err
}
processFn := func(filename string) error {
f, err := os.Open(filename)
if err != nil {
return err
}
defer f.Close()
return t.ImportByReader(format, f)
}
if !fi.IsDir() {
return processFn(dirnameOrFilename)
}
// recursively go through directory
walker := func(path string, info os.FileInfo, err error) error {
if info.IsDir() {
return nil
}
switch format {
case FormatJSON:
// skip non JSON files
if filepath.Ext(info.Name()) != ".json" {
return nil
}
}
return processFn(path)
}
return filepath.Walk(dirnameOrFilename, walker)
}
// ImportByReader imports the the translations found within the contents read from the supplied reader.
//
// NOTE: generally used when assets have been embedded into the binary and are already in memory.
func (t *UniversalTranslator) ImportByReader(format ImportExportFormat, reader io.Reader) error {
b, err := ioutil.ReadAll(reader)
if err != nil {
return err
}
var trans []translation
switch format {
case FormatJSON:
err = json.Unmarshal(b, &trans)
}
if err != nil {
return err
}
for _, tl := range trans {
locale, found := t.FindTranslator(tl.Locale)
if !found {
return &ErrMissingLocale{locale: tl.Locale}
}
pr := stringToPR(tl.PluralRule)
if pr == locales.PluralRuleUnknown {
err = locale.Add(tl.Key, tl.Translation, tl.OverrideExisting)
if err != nil {
return err
}
continue
}
switch tl.PluralType {
case cardinalType:
err = locale.AddCardinal(tl.Key, tl.Translation, pr, tl.OverrideExisting)
case ordinalType:
err = locale.AddOrdinal(tl.Key, tl.Translation, pr, tl.OverrideExisting)
case rangeType:
err = locale.AddRange(tl.Key, tl.Translation, pr, tl.OverrideExisting)
default:
return &ErrBadPluralDefinition{tl: tl}
}
if err != nil {
return err
}
}
return nil
}
func stringToPR(s string) locales.PluralRule {
switch s {
case "One":
return locales.PluralRuleOne
case "Two":
return locales.PluralRuleTwo
case "Few":
return locales.PluralRuleFew
case "Many":
return locales.PluralRuleMany
case "Other":
return locales.PluralRuleOther
default:
return locales.PluralRuleUnknown
}
}

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backend/vendor/github.com/go-playground/universal-translator/translator.go generated vendored Normal file
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package ut
import (
"fmt"
"strconv"
"strings"
"github.com/go-playground/locales"
)
const (
paramZero = "{0}"
paramOne = "{1}"
unknownTranslation = ""
)
// Translator is universal translators
// translator instance which is a thin wrapper
// around locales.Translator instance providing
// some extra functionality
type Translator interface {
locales.Translator
// adds a normal translation for a particular language/locale
// {#} is the only replacement type accepted and are ad infinitum
// eg. one: '{0} day left' other: '{0} days left'
Add(key interface{}, text string, override bool) error
// adds a cardinal plural translation for a particular language/locale
// {0} is the only replacement type accepted and only one variable is accepted as
// multiple cannot be used for a plural rule determination, unless it is a range;
// see AddRange below.
// eg. in locale 'en' one: '{0} day left' other: '{0} days left'
AddCardinal(key interface{}, text string, rule locales.PluralRule, override bool) error
// adds an ordinal plural translation for a particular language/locale
// {0} is the only replacement type accepted and only one variable is accepted as
// multiple cannot be used for a plural rule determination, unless it is a range;
// see AddRange below.
// eg. in locale 'en' one: '{0}st day of spring' other: '{0}nd day of spring'
// - 1st, 2nd, 3rd...
AddOrdinal(key interface{}, text string, rule locales.PluralRule, override bool) error
// adds a range plural translation for a particular language/locale
// {0} and {1} are the only replacement types accepted and only these are accepted.
// eg. in locale 'nl' one: '{0}-{1} day left' other: '{0}-{1} days left'
AddRange(key interface{}, text string, rule locales.PluralRule, override bool) error
// creates the translation for the locale given the 'key' and params passed in
T(key interface{}, params ...string) (string, error)
// creates the cardinal translation for the locale given the 'key', 'num' and 'digit' arguments
// and param passed in
C(key interface{}, num float64, digits uint64, param string) (string, error)
// creates the ordinal translation for the locale given the 'key', 'num' and 'digit' arguments
// and param passed in
O(key interface{}, num float64, digits uint64, param string) (string, error)
// creates the range translation for the locale given the 'key', 'num1', 'digit1', 'num2' and
// 'digit2' arguments and 'param1' and 'param2' passed in
R(key interface{}, num1 float64, digits1 uint64, num2 float64, digits2 uint64, param1, param2 string) (string, error)
// VerifyTranslations checks to ensures that no plural rules have been
// missed within the translations.
VerifyTranslations() error
}
var _ Translator = new(translator)
var _ locales.Translator = new(translator)
type translator struct {
locales.Translator
translations map[interface{}]*transText
cardinalTanslations map[interface{}][]*transText // array index is mapped to locales.PluralRule index + the locales.PluralRuleUnknown
ordinalTanslations map[interface{}][]*transText
rangeTanslations map[interface{}][]*transText
}
type transText struct {
text string
indexes []int
}
func newTranslator(trans locales.Translator) Translator {
return &translator{
Translator: trans,
translations: make(map[interface{}]*transText), // translation text broken up by byte index
cardinalTanslations: make(map[interface{}][]*transText),
ordinalTanslations: make(map[interface{}][]*transText),
rangeTanslations: make(map[interface{}][]*transText),
}
}
// Add adds a normal translation for a particular language/locale
// {#} is the only replacement type accepted and are ad infinitum
// eg. one: '{0} day left' other: '{0} days left'
func (t *translator) Add(key interface{}, text string, override bool) error {
if _, ok := t.translations[key]; ok && !override {
return &ErrConflictingTranslation{locale: t.Locale(), key: key, text: text}
}
lb := strings.Count(text, "{")
rb := strings.Count(text, "}")
if lb != rb {
return &ErrMissingBracket{locale: t.Locale(), key: key, text: text}
}
trans := &transText{
text: text,
}
var idx int
for i := 0; i < lb; i++ {
s := "{" + strconv.Itoa(i) + "}"
idx = strings.Index(text, s)
if idx == -1 {
return &ErrBadParamSyntax{locale: t.Locale(), param: s, key: key, text: text}
}
trans.indexes = append(trans.indexes, idx)
trans.indexes = append(trans.indexes, idx+len(s))
}
t.translations[key] = trans
return nil
}
// AddCardinal adds a cardinal plural translation for a particular language/locale
// {0} is the only replacement type accepted and only one variable is accepted as
// multiple cannot be used for a plural rule determination, unless it is a range;
// see AddRange below.
// eg. in locale 'en' one: '{0} day left' other: '{0} days left'
func (t *translator) AddCardinal(key interface{}, text string, rule locales.PluralRule, override bool) error {
var verified bool
// verify plural rule exists for locale
for _, pr := range t.PluralsCardinal() {
if pr == rule {
verified = true
break
}
}
if !verified {
return &ErrCardinalTranslation{text: fmt.Sprintf("error: cardinal plural rule '%s' does not exist for locale '%s' key: '%v' text: '%s'", rule, t.Locale(), key, text)}
}
tarr, ok := t.cardinalTanslations[key]
if ok {
// verify not adding a conflicting record
if len(tarr) > 0 && tarr[rule] != nil && !override {
return &ErrConflictingTranslation{locale: t.Locale(), key: key, rule: rule, text: text}
}
} else {
tarr = make([]*transText, 7, 7)
t.cardinalTanslations[key] = tarr
}
trans := &transText{
text: text,
indexes: make([]int, 2, 2),
}
tarr[rule] = trans
idx := strings.Index(text, paramZero)
if idx == -1 {
tarr[rule] = nil
return &ErrCardinalTranslation{text: fmt.Sprintf("error: parameter '%s' not found, may want to use 'Add' instead of 'AddCardinal'. locale: '%s' key: '%v' text: '%s'", paramZero, t.Locale(), key, text)}
}
trans.indexes[0] = idx
trans.indexes[1] = idx + len(paramZero)
return nil
}
// AddOrdinal adds an ordinal plural translation for a particular language/locale
// {0} is the only replacement type accepted and only one variable is accepted as
// multiple cannot be used for a plural rule determination, unless it is a range;
// see AddRange below.
// eg. in locale 'en' one: '{0}st day of spring' other: '{0}nd day of spring' - 1st, 2nd, 3rd...
func (t *translator) AddOrdinal(key interface{}, text string, rule locales.PluralRule, override bool) error {
var verified bool
// verify plural rule exists for locale
for _, pr := range t.PluralsOrdinal() {
if pr == rule {
verified = true
break
}
}
if !verified {
return &ErrOrdinalTranslation{text: fmt.Sprintf("error: ordinal plural rule '%s' does not exist for locale '%s' key: '%v' text: '%s'", rule, t.Locale(), key, text)}
}
tarr, ok := t.ordinalTanslations[key]
if ok {
// verify not adding a conflicting record
if len(tarr) > 0 && tarr[rule] != nil && !override {
return &ErrConflictingTranslation{locale: t.Locale(), key: key, rule: rule, text: text}
}
} else {
tarr = make([]*transText, 7, 7)
t.ordinalTanslations[key] = tarr
}
trans := &transText{
text: text,
indexes: make([]int, 2, 2),
}
tarr[rule] = trans
idx := strings.Index(text, paramZero)
if idx == -1 {
tarr[rule] = nil
return &ErrOrdinalTranslation{text: fmt.Sprintf("error: parameter '%s' not found, may want to use 'Add' instead of 'AddOrdinal'. locale: '%s' key: '%v' text: '%s'", paramZero, t.Locale(), key, text)}
}
trans.indexes[0] = idx
trans.indexes[1] = idx + len(paramZero)
return nil
}
// AddRange adds a range plural translation for a particular language/locale
// {0} and {1} are the only replacement types accepted and only these are accepted.
// eg. in locale 'nl' one: '{0}-{1} day left' other: '{0}-{1} days left'
func (t *translator) AddRange(key interface{}, text string, rule locales.PluralRule, override bool) error {
var verified bool
// verify plural rule exists for locale
for _, pr := range t.PluralsRange() {
if pr == rule {
verified = true
break
}
}
if !verified {
return &ErrRangeTranslation{text: fmt.Sprintf("error: range plural rule '%s' does not exist for locale '%s' key: '%v' text: '%s'", rule, t.Locale(), key, text)}
}
tarr, ok := t.rangeTanslations[key]
if ok {
// verify not adding a conflicting record
if len(tarr) > 0 && tarr[rule] != nil && !override {
return &ErrConflictingTranslation{locale: t.Locale(), key: key, rule: rule, text: text}
}
} else {
tarr = make([]*transText, 7, 7)
t.rangeTanslations[key] = tarr
}
trans := &transText{
text: text,
indexes: make([]int, 4, 4),
}
tarr[rule] = trans
idx := strings.Index(text, paramZero)
if idx == -1 {
tarr[rule] = nil
return &ErrRangeTranslation{text: fmt.Sprintf("error: parameter '%s' not found, are you sure you're adding a Range Translation? locale: '%s' key: '%v' text: '%s'", paramZero, t.Locale(), key, text)}
}
trans.indexes[0] = idx
trans.indexes[1] = idx + len(paramZero)
idx = strings.Index(text, paramOne)
if idx == -1 {
tarr[rule] = nil
return &ErrRangeTranslation{text: fmt.Sprintf("error: parameter '%s' not found, a Range Translation requires two parameters. locale: '%s' key: '%v' text: '%s'", paramOne, t.Locale(), key, text)}
}
trans.indexes[2] = idx
trans.indexes[3] = idx + len(paramOne)
return nil
}
// T creates the translation for the locale given the 'key' and params passed in
func (t *translator) T(key interface{}, params ...string) (string, error) {
trans, ok := t.translations[key]
if !ok {
return unknownTranslation, ErrUnknowTranslation
}
b := make([]byte, 0, 64)
var start, end, count int
for i := 0; i < len(trans.indexes); i++ {
end = trans.indexes[i]
b = append(b, trans.text[start:end]...)
b = append(b, params[count]...)
i++
start = trans.indexes[i]
count++
}
b = append(b, trans.text[start:]...)
return string(b), nil
}
// C creates the cardinal translation for the locale given the 'key', 'num' and 'digit' arguments and param passed in
func (t *translator) C(key interface{}, num float64, digits uint64, param string) (string, error) {
tarr, ok := t.cardinalTanslations[key]
if !ok {
return unknownTranslation, ErrUnknowTranslation
}
rule := t.CardinalPluralRule(num, digits)
trans := tarr[rule]
b := make([]byte, 0, 64)
b = append(b, trans.text[:trans.indexes[0]]...)
b = append(b, param...)
b = append(b, trans.text[trans.indexes[1]:]...)
return string(b), nil
}
// O creates the ordinal translation for the locale given the 'key', 'num' and 'digit' arguments and param passed in
func (t *translator) O(key interface{}, num float64, digits uint64, param string) (string, error) {
tarr, ok := t.ordinalTanslations[key]
if !ok {
return unknownTranslation, ErrUnknowTranslation
}
rule := t.OrdinalPluralRule(num, digits)
trans := tarr[rule]
b := make([]byte, 0, 64)
b = append(b, trans.text[:trans.indexes[0]]...)
b = append(b, param...)
b = append(b, trans.text[trans.indexes[1]:]...)
return string(b), nil
}
// R creates the range translation for the locale given the 'key', 'num1', 'digit1', 'num2' and 'digit2' arguments
// and 'param1' and 'param2' passed in
func (t *translator) R(key interface{}, num1 float64, digits1 uint64, num2 float64, digits2 uint64, param1, param2 string) (string, error) {
tarr, ok := t.rangeTanslations[key]
if !ok {
return unknownTranslation, ErrUnknowTranslation
}
rule := t.RangePluralRule(num1, digits1, num2, digits2)
trans := tarr[rule]
b := make([]byte, 0, 64)
b = append(b, trans.text[:trans.indexes[0]]...)
b = append(b, param1...)
b = append(b, trans.text[trans.indexes[1]:trans.indexes[2]]...)
b = append(b, param2...)
b = append(b, trans.text[trans.indexes[3]:]...)
return string(b), nil
}
// VerifyTranslations checks to ensures that no plural rules have been
// missed within the translations.
func (t *translator) VerifyTranslations() error {
for k, v := range t.cardinalTanslations {
for _, rule := range t.PluralsCardinal() {
if v[rule] == nil {
return &ErrMissingPluralTranslation{locale: t.Locale(), translationType: "plural", rule: rule, key: k}
}
}
}
for k, v := range t.ordinalTanslations {
for _, rule := range t.PluralsOrdinal() {
if v[rule] == nil {
return &ErrMissingPluralTranslation{locale: t.Locale(), translationType: "ordinal", rule: rule, key: k}
}
}
}
for k, v := range t.rangeTanslations {
for _, rule := range t.PluralsRange() {
if v[rule] == nil {
return &ErrMissingPluralTranslation{locale: t.Locale(), translationType: "range", rule: rule, key: k}
}
}
}
return nil
}

113
backend/vendor/github.com/go-playground/universal-translator/universal_translator.go generated vendored Normal file
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package ut
import (
"strings"
"github.com/go-playground/locales"
)
// UniversalTranslator holds all locale & translation data
type UniversalTranslator struct {
translators map[string]Translator
fallback Translator
}
// New returns a new UniversalTranslator instance set with
// the fallback locale and locales it should support
func New(fallback locales.Translator, supportedLocales ...locales.Translator) *UniversalTranslator {
t := &UniversalTranslator{
translators: make(map[string]Translator),
}
for _, v := range supportedLocales {
trans := newTranslator(v)
t.translators[strings.ToLower(trans.Locale())] = trans
if fallback.Locale() == v.Locale() {
t.fallback = trans
}
}
if t.fallback == nil && fallback != nil {
t.fallback = newTranslator(fallback)
}
return t
}
// FindTranslator trys to find a Translator based on an array of locales
// and returns the first one it can find, otherwise returns the
// fallback translator.
func (t *UniversalTranslator) FindTranslator(locales ...string) (trans Translator, found bool) {
for _, locale := range locales {
if trans, found = t.translators[strings.ToLower(locale)]; found {
return
}
}
return t.fallback, false
}
// GetTranslator returns the specified translator for the given locale,
// or fallback if not found
func (t *UniversalTranslator) GetTranslator(locale string) (trans Translator, found bool) {
if trans, found = t.translators[strings.ToLower(locale)]; found {
return
}
return t.fallback, false
}
// GetFallback returns the fallback locale
func (t *UniversalTranslator) GetFallback() Translator {
return t.fallback
}
// AddTranslator adds the supplied translator, if it already exists the override param
// will be checked and if false an error will be returned, otherwise the translator will be
// overridden; if the fallback matches the supplied translator it will be overridden as well
// NOTE: this is normally only used when translator is embedded within a library
func (t *UniversalTranslator) AddTranslator(translator locales.Translator, override bool) error {
lc := strings.ToLower(translator.Locale())
_, ok := t.translators[lc]
if ok && !override {
return &ErrExistingTranslator{locale: translator.Locale()}
}
trans := newTranslator(translator)
if t.fallback.Locale() == translator.Locale() {
// because it's optional to have a fallback, I don't impose that limitation
// don't know why you wouldn't but...
if !override {
return &ErrExistingTranslator{locale: translator.Locale()}
}
t.fallback = trans
}
t.translators[lc] = trans
return nil
}
// VerifyTranslations runs through all locales and identifies any issues
// eg. missing plural rules for a locale
func (t *UniversalTranslator) VerifyTranslations() (err error) {
for _, trans := range t.translators {
err = trans.VerifyTranslations()
if err != nil {
return
}
}
return
}

24
backend/vendor/github.com/gopherjs/gopherjs/LICENSE generated vendored Normal file
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Copyright (c) 2013 Richard Musiol. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

168
backend/vendor/github.com/gopherjs/gopherjs/js/js.go generated vendored Normal file
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// Package js provides functions for interacting with native JavaScript APIs. Calls to these functions are treated specially by GopherJS and translated directly to their corresponding JavaScript syntax.
//
// Use MakeWrapper to expose methods to JavaScript. When passing values directly, the following type conversions are performed:
//
// | Go type | JavaScript type | Conversions back to interface{} |
// | --------------------- | --------------------- | ------------------------------- |
// | bool | Boolean | bool |
// | integers and floats | Number | float64 |
// | string | String | string |
// | []int8 | Int8Array | []int8 |
// | []int16 | Int16Array | []int16 |
// | []int32, []int | Int32Array | []int |
// | []uint8 | Uint8Array | []uint8 |
// | []uint16 | Uint16Array | []uint16 |
// | []uint32, []uint | Uint32Array | []uint |
// | []float32 | Float32Array | []float32 |
// | []float64 | Float64Array | []float64 |
// | all other slices | Array | []interface{} |
// | arrays | see slice type | see slice type |
// | functions | Function | func(...interface{}) *js.Object |
// | time.Time | Date | time.Time |
// | - | instanceof Node | *js.Object |
// | maps, structs | instanceof Object | map[string]interface{} |
//
// Additionally, for a struct containing a *js.Object field, only the content of the field will be passed to JavaScript and vice versa.
package js
// Object is a container for a native JavaScript object. Calls to its methods are treated specially by GopherJS and translated directly to their JavaScript syntax. A nil pointer to Object is equal to JavaScript's "null". Object can not be used as a map key.
type Object struct{ object *Object }
// Get returns the object's property with the given key.
func (o *Object) Get(key string) *Object { return o.object.Get(key) }
// Set assigns the value to the object's property with the given key.
func (o *Object) Set(key string, value interface{}) { o.object.Set(key, value) }
// Delete removes the object's property with the given key.
func (o *Object) Delete(key string) { o.object.Delete(key) }
// Length returns the object's "length" property, converted to int.
func (o *Object) Length() int { return o.object.Length() }
// Index returns the i'th element of an array.
func (o *Object) Index(i int) *Object { return o.object.Index(i) }
// SetIndex sets the i'th element of an array.
func (o *Object) SetIndex(i int, value interface{}) { o.object.SetIndex(i, value) }
// Call calls the object's method with the given name.
func (o *Object) Call(name string, args ...interface{}) *Object { return o.object.Call(name, args...) }
// Invoke calls the object itself. This will fail if it is not a function.
func (o *Object) Invoke(args ...interface{}) *Object { return o.object.Invoke(args...) }
// New creates a new instance of this type object. This will fail if it not a function (constructor).
func (o *Object) New(args ...interface{}) *Object { return o.object.New(args...) }
// Bool returns the object converted to bool according to JavaScript type conversions.
func (o *Object) Bool() bool { return o.object.Bool() }
// String returns the object converted to string according to JavaScript type conversions.
func (o *Object) String() string { return o.object.String() }
// Int returns the object converted to int according to JavaScript type conversions (parseInt).
func (o *Object) Int() int { return o.object.Int() }
// Int64 returns the object converted to int64 according to JavaScript type conversions (parseInt).
func (o *Object) Int64() int64 { return o.object.Int64() }
// Uint64 returns the object converted to uint64 according to JavaScript type conversions (parseInt).
func (o *Object) Uint64() uint64 { return o.object.Uint64() }
// Float returns the object converted to float64 according to JavaScript type conversions (parseFloat).
func (o *Object) Float() float64 { return o.object.Float() }
// Interface returns the object converted to interface{}. See table in package comment for details.
func (o *Object) Interface() interface{} { return o.object.Interface() }
// Unsafe returns the object as an uintptr, which can be converted via unsafe.Pointer. Not intended for public use.
func (o *Object) Unsafe() uintptr { return o.object.Unsafe() }
// Error encapsulates JavaScript errors. Those are turned into a Go panic and may be recovered, giving an *Error that holds the JavaScript error object.
type Error struct {
*Object
}
// Error returns the message of the encapsulated JavaScript error object.
func (err *Error) Error() string {
return "JavaScript error: " + err.Get("message").String()
}
// Stack returns the stack property of the encapsulated JavaScript error object.
func (err *Error) Stack() string {
return err.Get("stack").String()
}
// Global gives JavaScript's global object ("window" for browsers and "GLOBAL" for Node.js).
var Global *Object
// Module gives the value of the "module" variable set by Node.js. Hint: Set a module export with 'js.Module.Get("exports").Set("exportName", ...)'.
var Module *Object
// Undefined gives the JavaScript value "undefined".
var Undefined *Object
// Debugger gets compiled to JavaScript's "debugger;" statement.
func Debugger() {}
// InternalObject returns the internal JavaScript object that represents i. Not intended for public use.
func InternalObject(i interface{}) *Object {
return nil
}
// MakeFunc wraps a function and gives access to the values of JavaScript's "this" and "arguments" keywords.
func MakeFunc(fn func(this *Object, arguments []*Object) interface{}) *Object {
return Global.Call("$makeFunc", InternalObject(fn))
}
// Keys returns the keys of the given JavaScript object.
func Keys(o *Object) []string {
if o == nil || o == Undefined {
return nil
}
a := Global.Get("Object").Call("keys", o)
s := make([]string, a.Length())
for i := 0; i < a.Length(); i++ {
s[i] = a.Index(i).String()
}
return s
}
// MakeWrapper creates a JavaScript object which has wrappers for the exported methods of i. Use explicit getter and setter methods to expose struct fields to JavaScript.
func MakeWrapper(i interface{}) *Object {
v := InternalObject(i)
o := Global.Get("Object").New()
o.Set("__internal_object__", v)
methods := v.Get("constructor").Get("methods")
for i := 0; i < methods.Length(); i++ {
m := methods.Index(i)
if m.Get("pkg").String() != "" { // not exported
continue
}
o.Set(m.Get("name").String(), func(args ...*Object) *Object {
return Global.Call("$externalizeFunction", v.Get(m.Get("prop").String()), m.Get("typ"), true).Call("apply", v, args)
})
}
return o
}
// NewArrayBuffer creates a JavaScript ArrayBuffer from a byte slice.
func NewArrayBuffer(b []byte) *Object {
slice := InternalObject(b)
offset := slice.Get("$offset").Int()
length := slice.Get("$length").Int()
return slice.Get("$array").Get("buffer").Call("slice", offset, offset+length)
}
// M is a simple map type. It is intended as a shorthand for JavaScript objects (before conversion).
type M map[string]interface{}
// S is a simple slice type. It is intended as a shorthand for JavaScript arrays (before conversion).
type S []interface{}
func init() {
// avoid dead code elimination
e := Error{}
_ = e
}

18
backend/vendor/github.com/jtolds/gls/LICENSE generated vendored Normal file
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Copyright (c) 2013, Space Monkey, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

89
backend/vendor/github.com/jtolds/gls/README.md generated vendored Normal file
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gls
===
Goroutine local storage
### IMPORTANT NOTE ###
It is my duty to point you to https://blog.golang.org/context, which is how
Google solves all of the problems you'd perhaps consider using this package
for at scale.
One downside to Google's approach is that *all* of your functions must have
a new first argument, but after clearing that hurdle everything else is much
better.
If you aren't interested in this warning, read on.
### Huhwaht? Why? ###
Every so often, a thread shows up on the
[golang-nuts](https://groups.google.com/d/forum/golang-nuts) asking for some
form of goroutine-local-storage, or some kind of goroutine id, or some kind of
context. There are a few valid use cases for goroutine-local-storage, one of
the most prominent being log line context. One poster was interested in being
able to log an HTTP request context id in every log line in the same goroutine
as the incoming HTTP request, without having to change every library and
function call he was interested in logging.
This would be pretty useful. Provided that you could get some kind of
goroutine-local-storage, you could call
[log.SetOutput](http://golang.org/pkg/log/#SetOutput) with your own logging
writer that checks goroutine-local-storage for some context information and
adds that context to your log lines.
But alas, Andrew Gerrand's typically diplomatic answer to the question of
goroutine-local variables was:
> We wouldn't even be having this discussion if thread local storage wasn't
> useful. But every feature comes at a cost, and in my opinion the cost of
> threadlocals far outweighs their benefits. They're just not a good fit for
> Go.
So, yeah, that makes sense. That's a pretty good reason for why the language
won't support a specific and (relatively) unuseful feature that requires some
runtime changes, just for the sake of a little bit of log improvement.
But does Go require runtime changes?
### How it works ###
Go has pretty fantastic introspective and reflective features, but one thing Go
doesn't give you is any kind of access to the stack pointer, or frame pointer,
or goroutine id, or anything contextual about your current stack. It gives you
access to your list of callers, but only along with program counters, which are
fixed at compile time.
But it does give you the stack.
So, we define 16 special functions and embed base-16 tags into the stack using
the call order of those 16 functions. Then, we can read our tags back out of
the stack looking at the callers list.
We then use these tags as an index into a traditional map for implementing
this library.
### What are people saying? ###
"Wow, that's horrifying."
"This is the most terrible thing I have seen in a very long time."
"Where is it getting a context from? Is this serializing all the requests?
What the heck is the client being bound to? What are these tags? Why does he
need callers? Oh god no. No no no."
### Docs ###
Please see the docs at http://godoc.org/github.com/jtolds/gls
### Related ###
If you're okay relying on the string format of the current runtime stacktrace
including a unique goroutine id (not guaranteed by the spec or anything, but
very unlikely to change within a Go release), you might be able to squeeze
out a bit more performance by using this similar library, inspired by some
code Brad Fitzpatrick wrote for debugging his HTTP/2 library:
https://github.com/tylerb/gls (in contrast, jtolds/gls doesn't require
any knowledge of the string format of the runtime stacktrace, which
probably adds unnecessary overhead).

153
backend/vendor/github.com/jtolds/gls/context.go generated vendored Normal file
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// Package gls implements goroutine-local storage.
package gls
import (
"sync"
)
var (
mgrRegistry = make(map[*ContextManager]bool)
mgrRegistryMtx sync.RWMutex
)
// Values is simply a map of key types to value types. Used by SetValues to
// set multiple values at once.
type Values map[interface{}]interface{}
// ContextManager is the main entrypoint for interacting with
// Goroutine-local-storage. You can have multiple independent ContextManagers
// at any given time. ContextManagers are usually declared globally for a given
// class of context variables. You should use NewContextManager for
// construction.
type ContextManager struct {
mtx sync.Mutex
values map[uint]Values
}
// NewContextManager returns a brand new ContextManager. It also registers the
// new ContextManager in the ContextManager registry which is used by the Go
// method. ContextManagers are typically defined globally at package scope.
func NewContextManager() *ContextManager {
mgr := &ContextManager{values: make(map[uint]Values)}
mgrRegistryMtx.Lock()
defer mgrRegistryMtx.Unlock()
mgrRegistry[mgr] = true
return mgr
}
// Unregister removes a ContextManager from the global registry, used by the
// Go method. Only intended for use when you're completely done with a
// ContextManager. Use of Unregister at all is rare.
func (m *ContextManager) Unregister() {
mgrRegistryMtx.Lock()
defer mgrRegistryMtx.Unlock()
delete(mgrRegistry, m)
}
// SetValues takes a collection of values and a function to call for those
// values to be set in. Anything further down the stack will have the set
// values available through GetValue. SetValues will add new values or replace
// existing values of the same key and will not mutate or change values for
// previous stack frames.
// SetValues is slow (makes a copy of all current and new values for the new
// gls-context) in order to reduce the amount of lookups GetValue requires.
func (m *ContextManager) SetValues(new_values Values, context_call func()) {
if len(new_values) == 0 {
context_call()
return
}
mutated_keys := make([]interface{}, 0, len(new_values))
mutated_vals := make(Values, len(new_values))
EnsureGoroutineId(func(gid uint) {
m.mtx.Lock()
state, found := m.values[gid]
if !found {
state = make(Values, len(new_values))
m.values[gid] = state
}
m.mtx.Unlock()
for key, new_val := range new_values {
mutated_keys = append(mutated_keys, key)
if old_val, ok := state[key]; ok {
mutated_vals[key] = old_val
}
state[key] = new_val
}
defer func() {
if !found {
m.mtx.Lock()
delete(m.values, gid)
m.mtx.Unlock()
return
}
for _, key := range mutated_keys {
if val, ok := mutated_vals[key]; ok {
state[key] = val
} else {
delete(state, key)
}
}
}()
context_call()
})
}
// GetValue will return a previously set value, provided that the value was set
// by SetValues somewhere higher up the stack. If the value is not found, ok
// will be false.
func (m *ContextManager) GetValue(key interface{}) (
value interface{}, ok bool) {
gid, ok := GetGoroutineId()
if !ok {
return nil, false
}
m.mtx.Lock()
state, found := m.values[gid]
m.mtx.Unlock()
if !found {
return nil, false
}
value, ok = state[key]
return value, ok
}
func (m *ContextManager) getValues() Values {
gid, ok := GetGoroutineId()
if !ok {
return nil
}
m.mtx.Lock()
state, _ := m.values[gid]
m.mtx.Unlock()
return state
}
// Go preserves ContextManager values and Goroutine-local-storage across new
// goroutine invocations. The Go method makes a copy of all existing values on
// all registered context managers and makes sure they are still set after
// kicking off the provided function in a new goroutine. If you don't use this
// Go method instead of the standard 'go' keyword, you will lose values in
// ContextManagers, as goroutines have brand new stacks.
func Go(cb func()) {
mgrRegistryMtx.RLock()
defer mgrRegistryMtx.RUnlock()
for mgr := range mgrRegistry {
values := mgr.getValues()
if len(values) > 0 {
cb = func(mgr *ContextManager, cb func()) func() {
return func() { mgr.SetValues(values, cb) }
}(mgr, cb)
}
}
go cb()
}

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backend/vendor/github.com/jtolds/gls/gen_sym.go generated vendored Normal file
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package gls
import (
"sync"
)
var (
keyMtx sync.Mutex
keyCounter uint64
)
// ContextKey is a throwaway value you can use as a key to a ContextManager
type ContextKey struct{ id uint64 }
// GenSym will return a brand new, never-before-used ContextKey
func GenSym() ContextKey {
keyMtx.Lock()
defer keyMtx.Unlock()
keyCounter += 1
return ContextKey{id: keyCounter}
}

25
backend/vendor/github.com/jtolds/gls/gid.go generated vendored Normal file
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package gls
var (
stackTagPool = &idPool{}
)
// Will return this goroutine's identifier if set. If you always need a
// goroutine identifier, you should use EnsureGoroutineId which will make one
// if there isn't one already.
func GetGoroutineId() (gid uint, ok bool) {
return readStackTag()
}
// Will call cb with the current goroutine identifier. If one hasn't already
// been generated, one will be created and set first. The goroutine identifier
// might be invalid after cb returns.
func EnsureGoroutineId(cb func(gid uint)) {
if gid, ok := readStackTag(); ok {
cb(gid)
return
}
gid := stackTagPool.Acquire()
defer stackTagPool.Release(gid)
addStackTag(gid, func() { cb(gid) })
}

34
backend/vendor/github.com/jtolds/gls/id_pool.go generated vendored Normal file
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package gls
// though this could probably be better at keeping ids smaller, the goal of
// this class is to keep a registry of the smallest unique integer ids
// per-process possible
import (
"sync"
)
type idPool struct {
mtx sync.Mutex
released []uint
max_id uint
}
func (p *idPool) Acquire() (id uint) {
p.mtx.Lock()
defer p.mtx.Unlock()
if len(p.released) > 0 {
id = p.released[len(p.released)-1]
p.released = p.released[:len(p.released)-1]
return id
}
id = p.max_id
p.max_id++
return id
}
func (p *idPool) Release(id uint) {
p.mtx.Lock()
defer p.mtx.Unlock()
p.released = append(p.released, id)
}

147
backend/vendor/github.com/jtolds/gls/stack_tags.go generated vendored Normal file
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@@ -0,0 +1,147 @@
package gls
// so, basically, we're going to encode integer tags in base-16 on the stack
const (
bitWidth = 4
stackBatchSize = 16
)
var (
pc_lookup = make(map[uintptr]int8, 17)
mark_lookup [16]func(uint, func())
)
func init() {
setEntries := func(f func(uint, func()), v int8) {
var ptr uintptr
f(0, func() {
ptr = findPtr()
})
pc_lookup[ptr] = v
if v >= 0 {
mark_lookup[v] = f
}
}
setEntries(github_com_jtolds_gls_markS, -0x1)
setEntries(github_com_jtolds_gls_mark0, 0x0)
setEntries(github_com_jtolds_gls_mark1, 0x1)
setEntries(github_com_jtolds_gls_mark2, 0x2)
setEntries(github_com_jtolds_gls_mark3, 0x3)
setEntries(github_com_jtolds_gls_mark4, 0x4)
setEntries(github_com_jtolds_gls_mark5, 0x5)
setEntries(github_com_jtolds_gls_mark6, 0x6)
setEntries(github_com_jtolds_gls_mark7, 0x7)
setEntries(github_com_jtolds_gls_mark8, 0x8)
setEntries(github_com_jtolds_gls_mark9, 0x9)
setEntries(github_com_jtolds_gls_markA, 0xa)
setEntries(github_com_jtolds_gls_markB, 0xb)
setEntries(github_com_jtolds_gls_markC, 0xc)
setEntries(github_com_jtolds_gls_markD, 0xd)
setEntries(github_com_jtolds_gls_markE, 0xe)
setEntries(github_com_jtolds_gls_markF, 0xf)
}
func addStackTag(tag uint, context_call func()) {
if context_call == nil {
return
}
github_com_jtolds_gls_markS(tag, context_call)
}
// these private methods are named this horrendous name so gopherjs support
// is easier. it shouldn't add any runtime cost in non-js builds.
//go:noinline
func github_com_jtolds_gls_markS(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark0(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark1(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark2(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark3(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark4(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark5(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark6(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark7(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark8(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_mark9(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_markA(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_markB(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_markC(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_markD(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_markE(tag uint, cb func()) { _m(tag, cb) }
//go:noinline
func github_com_jtolds_gls_markF(tag uint, cb func()) { _m(tag, cb) }
func _m(tag_remainder uint, cb func()) {
if tag_remainder == 0 {
cb()
} else {
mark_lookup[tag_remainder&0xf](tag_remainder>>bitWidth, cb)
}
}
func readStackTag() (tag uint, ok bool) {
var current_tag uint
offset := 0
for {
batch, next_offset := getStack(offset, stackBatchSize)
for _, pc := range batch {
val, ok := pc_lookup[pc]
if !ok {
continue
}
if val < 0 {
return current_tag, true
}
current_tag <<= bitWidth
current_tag += uint(val)
}
if next_offset == 0 {
break
}
offset = next_offset
}
return 0, false
}
func (m *ContextManager) preventInlining() {
// dunno if findPtr or getStack are likely to get inlined in a future release
// of go, but if they are inlined and their callers are inlined, that could
// hork some things. let's do our best to explain to the compiler that we
// really don't want those two functions inlined by saying they could change
// at any time. assumes preventInlining doesn't get compiled out.
// this whole thing is probably overkill.
findPtr = m.values[0][0].(func() uintptr)
getStack = m.values[0][1].(func(int, int) ([]uintptr, int))
}

75
backend/vendor/github.com/jtolds/gls/stack_tags_js.go generated vendored Normal file
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// +build js
package gls
// This file is used for GopherJS builds, which don't have normal runtime
// stack trace support
import (
"strconv"
"strings"
"github.com/gopherjs/gopherjs/js"
)
const (
jsFuncNamePrefix = "github_com_jtolds_gls_mark"
)
func jsMarkStack() (f []uintptr) {
lines := strings.Split(
js.Global.Get("Error").New().Get("stack").String(), "\n")
f = make([]uintptr, 0, len(lines))
for i, line := range lines {
line = strings.TrimSpace(line)
if line == "" {
continue
}
if i == 0 {
if line != "Error" {
panic("didn't understand js stack trace")
}
continue
}
fields := strings.Fields(line)
if len(fields) < 2 || fields[0] != "at" {
panic("didn't understand js stack trace")
}
pos := strings.Index(fields[1], jsFuncNamePrefix)
if pos < 0 {
continue
}
pos += len(jsFuncNamePrefix)
if pos >= len(fields[1]) {
panic("didn't understand js stack trace")
}
char := string(fields[1][pos])
switch char {
case "S":
f = append(f, uintptr(0))
default:
val, err := strconv.ParseUint(char, 16, 8)
if err != nil {
panic("didn't understand js stack trace")
}
f = append(f, uintptr(val)+1)
}
}
return f
}
// variables to prevent inlining
var (
findPtr = func() uintptr {
funcs := jsMarkStack()
if len(funcs) == 0 {
panic("failed to find function pointer")
}
return funcs[0]
}
getStack = func(offset, amount int) (stack []uintptr, next_offset int) {
return jsMarkStack(), 0
}
)

30
backend/vendor/github.com/jtolds/gls/stack_tags_main.go generated vendored Normal file
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@@ -0,0 +1,30 @@
// +build !js
package gls
// This file is used for standard Go builds, which have the expected runtime
// support
import (
"runtime"
)
var (
findPtr = func() uintptr {
var pc [1]uintptr
n := runtime.Callers(4, pc[:])
if n != 1 {
panic("failed to find function pointer")
}
return pc[0]
}
getStack = func(offset, amount int) (stack []uintptr, next_offset int) {
stack = make([]uintptr, amount)
stack = stack[:runtime.Callers(offset, stack)]
if len(stack) < amount {
return stack, 0
}
return stack, offset + len(stack)
}
)

9
backend/vendor/github.com/leodido/go-urn/.gitignore generated vendored Normal file
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@@ -0,0 +1,9 @@
*.exe
*.dll
*.so
*.dylib
*.test
*.out
*.txt

15
backend/vendor/github.com/leodido/go-urn/.travis.yml generated vendored Normal file
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language: go
go:
- 1.9.x
- 1.10.x
- tip
before_install:
- go get -t -v ./...
script:
- go test -race -coverprofile=coverage.txt -covermode=atomic
after_success:
- bash <(curl -s https://codecov.io/bash)

55
backend/vendor/github.com/leodido/go-urn/README.md generated vendored Normal file
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[![Build](https://img.shields.io/travis/leodido/go-urn/master.svg?style=for-the-badge)](https://travis-ci.org/leodido/go-urn) [![Coverage](https://img.shields.io/codecov/c/github/leodido/go-urn.svg?style=for-the-badge)](https://codecov.io/gh/leodido/go-urn) [![Documentation](https://img.shields.io/badge/godoc-reference-blue.svg?style=for-the-badge)](https://godoc.org/github.com/leodido/go-urn)
**A parser for URNs**.
> As seen on [RFC 2141](https://tools.ietf.org/html/rfc2141#ref-1).
[API documentation](https://godoc.org/github.com/leodido/go-urn).
## Installation
```
go get github.com/leodido/go-urn
```
## Performances
This implementation results to be really fast.
Usually below ½ microsecond on my machine<sup>[1](#mymachine)</sup>.
Notice it also performs, while parsing:
1. fine-grained and informative erroring
2. specific-string normalization
```
ok/00/urn:a:b______________________________________/-4 20000000 265 ns/op 182 B/op 6 allocs/op
ok/01/URN:foo:a123,456_____________________________/-4 30000000 296 ns/op 200 B/op 6 allocs/op
ok/02/urn:foo:a123%2c456___________________________/-4 20000000 331 ns/op 208 B/op 6 allocs/op
ok/03/urn:ietf:params:scim:schemas:core:2.0:User___/-4 20000000 430 ns/op 280 B/op 6 allocs/op
ok/04/urn:ietf:params:scim:schemas:extension:enterp/-4 20000000 411 ns/op 312 B/op 6 allocs/op
ok/05/urn:ietf:params:scim:schemas:extension:enterp/-4 20000000 472 ns/op 344 B/op 6 allocs/op
ok/06/urn:burnout:nss______________________________/-4 30000000 257 ns/op 192 B/op 6 allocs/op
ok/07/urn:abcdefghilmnopqrstuvzabcdefghilm:x_______/-4 20000000 375 ns/op 213 B/op 6 allocs/op
ok/08/urn:urnurnurn:urn____________________________/-4 30000000 265 ns/op 197 B/op 6 allocs/op
ok/09/urn:ciao:@!=%2c(xyz)+a,b.*@g=$_'_____________/-4 20000000 307 ns/op 248 B/op 6 allocs/op
ok/10/URN:x:abc%1dz%2f%3az_________________________/-4 30000000 259 ns/op 212 B/op 6 allocs/op
no/11/URN:-xxx:x___________________________________/-4 20000000 445 ns/op 320 B/op 6 allocs/op
no/12/urn::colon:nss_______________________________/-4 20000000 461 ns/op 320 B/op 6 allocs/op
no/13/urn:abcdefghilmnopqrstuvzabcdefghilmn:specifi/-4 10000000 660 ns/op 320 B/op 6 allocs/op
no/14/URN:a!?:x____________________________________/-4 20000000 507 ns/op 320 B/op 6 allocs/op
no/15/urn:urn:NSS__________________________________/-4 20000000 429 ns/op 288 B/op 6 allocs/op
no/16/urn:white_space:NSS__________________________/-4 20000000 482 ns/op 320 B/op 6 allocs/op
no/17/urn:concat:no_spaces_________________________/-4 20000000 539 ns/op 328 B/op 7 allocs/op
no/18/urn:a:/______________________________________/-4 20000000 470 ns/op 320 B/op 7 allocs/op
no/19/urn:UrN:NSS__________________________________/-4 20000000 399 ns/op 288 B/op 6 allocs/op
```
---
* <a name="mymachine">[1]</a>: Intel Core i7-7600U CPU @ 2.80GHz
---
[![Analytics](https://ga-beacon.appspot.com/UA-49657176-1/go-urn?flat)](https://github.com/igrigorik/ga-beacon)

1670
backend/vendor/github.com/leodido/go-urn/machine.go generated vendored Normal file
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159
backend/vendor/github.com/leodido/go-urn/machine.go.rl generated vendored Normal file
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package urn
import (
"fmt"
)
var (
errPrefix = "expecting the prefix to be the \"urn\" string (whatever case) [col %d]"
errIdentifier = "expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its start) [col %d]"
errSpecificString = "expecting the specific string to be a string containing alnum, hex, or others ([()+,-.:=@;$_!*']) chars [col %d]"
errNoUrnWithinID = "expecting the identifier to not contain the \"urn\" reserved string [col %d]"
errHex = "expecting the specific string hex chars to be well-formed (%%alnum{2}) [col %d]"
errParse = "parsing error [col %d]"
)
%%{
machine urn;
# unsigned alphabet
alphtype uint8;
action mark {
m.pb = m.p
}
action tolower {
m.tolower = append(m.tolower, m.p - m.pb)
}
action set_pre {
output.prefix = string(m.text())
}
action set_nid {
output.ID = string(m.text())
}
action set_nss {
raw := m.text()
output.SS = string(raw)
// Iterate upper letters lowering them
for _, i := range m.tolower {
raw[i] = raw[i] + 32
}
output.norm = string(raw)
}
action err_pre {
m.err = fmt.Errorf(errPrefix, m.p)
fhold;
fgoto fail;
}
action err_nid {
m.err = fmt.Errorf(errIdentifier, m.p)
fhold;
fgoto fail;
}
action err_nss {
m.err = fmt.Errorf(errSpecificString, m.p)
fhold;
fgoto fail;
}
action err_urn {
m.err = fmt.Errorf(errNoUrnWithinID, m.p)
fhold;
fgoto fail;
}
action err_hex {
m.err = fmt.Errorf(errHex, m.p)
fhold;
fgoto fail;
}
action err_parse {
m.err = fmt.Errorf(errParse, m.p)
fhold;
fgoto fail;
}
pre = ([uU][rR][nN] @err(err_pre)) >mark %set_pre;
nid = (alnum >mark (alnum | '-'){0,31}) %set_nid;
hex = '%' (digit | lower | upper >tolower){2} $err(err_hex);
sss = (alnum | [()+,\-.:=@;$_!*']);
nss = (sss | hex)+ $err(err_nss);
fail := (any - [\n\r])* @err{ fgoto main; };
main := (pre ':' (nid - pre %err(err_urn)) $err(err_nid) ':' nss >mark %set_nss) $err(err_parse);
}%%
%% write data noerror noprefix;
// Machine is the interface representing the FSM
type Machine interface {
Error() error
Parse(input []byte) (*URN, error)
}
type machine struct {
data []byte
cs int
p, pe, eof, pb int
err error
tolower []int
}
// NewMachine creates a new FSM able to parse RFC 2141 strings.
func NewMachine() Machine {
m := &machine{}
%% access m.;
%% variable p m.p;
%% variable pe m.pe;
%% variable eof m.eof;
%% variable data m.data;
return m
}
// Err returns the error that occurred on the last call to Parse.
//
// If the result is nil, then the line was parsed successfully.
func (m *machine) Error() error {
return m.err
}
func (m *machine) text() []byte {
return m.data[m.pb:m.p]
}
// Parse parses the input byte array as a RFC 2141 string.
func (m *machine) Parse(input []byte) (*URN, error) {
m.data = input
m.p = 0
m.pb = 0
m.pe = len(input)
m.eof = len(input)
m.err = nil
m.tolower = []int{}
output := &URN{}
%% write init;
%% write exec;
if m.cs < first_final || m.cs == en_fail {
return nil, m.err
}
return output, nil
}

17
backend/vendor/github.com/leodido/go-urn/makefile generated vendored Normal file
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@@ -0,0 +1,17 @@
SHELL := /bin/bash
machine.go: machine.go.rl
ragel -Z -G2 -e -o $@ $<
@gofmt -w -s $@
@sed -i '/^\/\/line/d' $@
.PHONY: build
build: machine.go
.PHONY: bench
bench: *_test.go machine.go
go test -bench=. -benchmem -benchtime=5s ./...
.PHONY: tests
tests: *_test.go machine.go
go test -race -timeout 10s -coverprofile=coverage.out -covermode=atomic -v ./...

63
backend/vendor/github.com/leodido/go-urn/urn.go generated vendored Normal file
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@@ -0,0 +1,63 @@
package urn
import (
"strings"
)
// URN represents an Uniform Resource Name.
//
// The general form represented is:
//
// urn:<id>:<ss>
//
// Details at https://tools.ietf.org/html/rfc2141.
type URN struct {
prefix string // Static prefix. Equal to "urn" when empty.
ID string // Namespace identifier
SS string // Namespace specific string
norm string // Normalized namespace specific string
}
// Normalize turns the receiving URN into its norm version.
//
// Which means: lowercase prefix, lowercase namespace identifier, and immutate namespace specific string chars (except <hex> tokens which are lowercased).
func (u *URN) Normalize() *URN {
return &URN{
prefix: "urn",
ID: strings.ToLower(u.ID),
SS: u.norm,
}
}
// Equal checks the lexical equivalence of the current URN with another one.
func (u *URN) Equal(x *URN) bool {
return *u.Normalize() == *x.Normalize()
}
// String reassembles the URN into a valid URN string.
//
// This requires both ID and SS fields to be non-empty.
// Otherwise it returns an empty string.
//
// Default URN prefix is "urn".
func (u *URN) String() string {
var res string
if u.ID != "" && u.SS != "" {
if u.prefix == "" {
res += "urn"
}
res += u.prefix + ":" + u.ID + ":" + u.SS
}
return res
}
// Parse is responsible to create an URN instance from a byte array matching the correct URN syntax.
func Parse(u []byte) (*URN, bool) {
urn, err := NewMachine().Parse(u)
if err != nil {
return nil, false
}
return urn, true
}

5
backend/vendor/github.com/smartystreets/assertions/.gitignore generated vendored Normal file
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@@ -0,0 +1,5 @@
.DS_Store
Thumbs.db
*.iml
/.idea
coverage.out

11
backend/vendor/github.com/smartystreets/assertions/.travis.yml generated vendored Normal file
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@@ -0,0 +1,11 @@
language: go
go:
- 1.x
install:
- go get -t ./...
script: go test ./... -v
sudo: false

12
backend/vendor/github.com/smartystreets/assertions/CONTRIBUTING.md generated vendored Normal file
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@@ -0,0 +1,12 @@
# Contributing
In general, the code posted to the [SmartyStreets github organization](https://github.com/smartystreets) is created to solve specific problems at SmartyStreets that are ancillary to our core products in the address verification industry and may or may not be useful to other organizations or developers. Our reason for posting said code isn't necessarily to solicit feedback or contributions from the community but more as a showcase of some of the approaches to solving problems we have adopted.
Having stated that, we do consider issues raised by other githubbers as well as contributions submitted via pull requests. When submitting such a pull request, please follow these guidelines:
- _Look before you leap:_ If the changes you plan to make are significant, it's in everyone's best interest for you to discuss them with a SmartyStreets team member prior to opening a pull request.
- _License and ownership:_ If modifying the `LICENSE.md` file, limit your changes to fixing typographical mistakes. Do NOT modify the actual terms in the license or the copyright by **SmartyStreets, LLC**. Code submitted to SmartyStreets projects becomes property of SmartyStreets and must be compatible with the associated license.
- _Testing:_ If the code you are submitting resides in packages/modules covered by automated tests, be sure to add passing tests that cover your changes and assert expected behavior and state. Submit the additional test cases as part of your change set.
- _Style:_ Match your approach to **naming** and **formatting** with the surrounding code. Basically, the code you submit shouldn't stand out.
- "Naming" refers to such constructs as variables, methods, functions, classes, structs, interfaces, packages, modules, directories, files, etc...
- "Formatting" refers to such constructs as whitespace, horizontal line length, vertical function length, vertical file length, indentation, curly braces, etc...

23
backend/vendor/github.com/smartystreets/assertions/LICENSE.md generated vendored Normal file
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@@ -0,0 +1,23 @@
Copyright (c) 2016 SmartyStreets, LLC
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
NOTE: Various optional and subordinate components carry their own licensing
requirements and restrictions. Use of those components is subject to the terms
and conditions outlined the respective license of each component.

619
backend/vendor/github.com/smartystreets/assertions/README.md generated vendored Normal file
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# assertions
--
import "github.com/smartystreets/assertions"
Package assertions contains the implementations for all assertions which are
referenced in goconvey's `convey` package
(github.com/smartystreets/goconvey/convey) and gunit
(github.com/smartystreets/gunit) for use with the So(...) method. They can also
be used in traditional Go test functions and even in applications.
https://smartystreets.com
Many of the assertions lean heavily on work done by Aaron Jacobs in his
excellent oglematchers library. (https://github.com/jacobsa/oglematchers) The
ShouldResemble assertion leans heavily on work done by Daniel Jacques in his
very helpful go-render library. (https://github.com/luci/go-render)
## Usage
#### func GoConveyMode
```go
func GoConveyMode(yes bool)
```
GoConveyMode provides control over JSON serialization of failures. When using
the assertions in this package from the convey package JSON results are very
helpful and can be rendered in a DIFF view. In that case, this function will be
called with a true value to enable the JSON serialization. By default, the
assertions in this package will not serializer a JSON result, making standalone
usage more convenient.
#### func ShouldAlmostEqual
```go
func ShouldAlmostEqual(actual interface{}, expected ...interface{}) string
```
ShouldAlmostEqual makes sure that two parameters are close enough to being
equal. The acceptable delta may be specified with a third argument, or a very
small default delta will be used.
#### func ShouldBeBetween
```go
func ShouldBeBetween(actual interface{}, expected ...interface{}) string
```
ShouldBeBetween receives exactly three parameters: an actual value, a lower
bound, and an upper bound. It ensures that the actual value is between both
bounds (but not equal to either of them).
#### func ShouldBeBetweenOrEqual
```go
func ShouldBeBetweenOrEqual(actual interface{}, expected ...interface{}) string
```
ShouldBeBetweenOrEqual receives exactly three parameters: an actual value, a
lower bound, and an upper bound. It ensures that the actual value is between
both bounds or equal to one of them.
#### func ShouldBeBlank
```go
func ShouldBeBlank(actual interface{}, expected ...interface{}) string
```
ShouldBeBlank receives exactly 1 string parameter and ensures that it is equal
to "".
#### func ShouldBeChronological
```go
func ShouldBeChronological(actual interface{}, expected ...interface{}) string
```
ShouldBeChronological receives a []time.Time slice and asserts that they are in
chronological order starting with the first time.Time as the earliest.
#### func ShouldBeEmpty
```go
func ShouldBeEmpty(actual interface{}, expected ...interface{}) string
```
ShouldBeEmpty receives a single parameter (actual) and determines whether or not
calling len(actual) would return `0`. It obeys the rules specified by the len
function for determining length: http://golang.org/pkg/builtin/#len
#### func ShouldBeError
```go
func ShouldBeError(actual interface{}, expected ...interface{}) string
```
ShouldBeError asserts that the first argument implements the error interface. It
also compares the first argument against the second argument if provided (which
must be an error message string or another error value).
#### func ShouldBeFalse
```go
func ShouldBeFalse(actual interface{}, expected ...interface{}) string
```
ShouldBeFalse receives a single parameter and ensures that it is false.
#### func ShouldBeGreaterThan
```go
func ShouldBeGreaterThan(actual interface{}, expected ...interface{}) string
```
ShouldBeGreaterThan receives exactly two parameters and ensures that the first
is greater than the second.
#### func ShouldBeGreaterThanOrEqualTo
```go
func ShouldBeGreaterThanOrEqualTo(actual interface{}, expected ...interface{}) string
```
ShouldBeGreaterThanOrEqualTo receives exactly two parameters and ensures that
the first is greater than or equal to the second.
#### func ShouldBeIn
```go
func ShouldBeIn(actual interface{}, expected ...interface{}) string
```
ShouldBeIn receives at least 2 parameters. The first is a proposed member of the
collection that is passed in either as the second parameter, or of the
collection that is comprised of all the remaining parameters. This assertion
ensures that the proposed member is in the collection (using ShouldEqual).
#### func ShouldBeLessThan
```go
func ShouldBeLessThan(actual interface{}, expected ...interface{}) string
```
ShouldBeLessThan receives exactly two parameters and ensures that the first is
less than the second.
#### func ShouldBeLessThanOrEqualTo
```go
func ShouldBeLessThanOrEqualTo(actual interface{}, expected ...interface{}) string
```
ShouldBeLessThan receives exactly two parameters and ensures that the first is
less than or equal to the second.
#### func ShouldBeNil
```go
func ShouldBeNil(actual interface{}, expected ...interface{}) string
```
ShouldBeNil receives a single parameter and ensures that it is nil.
#### func ShouldBeTrue
```go
func ShouldBeTrue(actual interface{}, expected ...interface{}) string
```
ShouldBeTrue receives a single parameter and ensures that it is true.
#### func ShouldBeZeroValue
```go
func ShouldBeZeroValue(actual interface{}, expected ...interface{}) string
```
ShouldBeZeroValue receives a single parameter and ensures that it is the Go
equivalent of the default value, or "zero" value.
#### func ShouldContain
```go
func ShouldContain(actual interface{}, expected ...interface{}) string
```
ShouldContain receives exactly two parameters. The first is a slice and the
second is a proposed member. Membership is determined using ShouldEqual.
#### func ShouldContainKey
```go
func ShouldContainKey(actual interface{}, expected ...interface{}) string
```
ShouldContainKey receives exactly two parameters. The first is a map and the
second is a proposed key. Keys are compared with a simple '=='.
#### func ShouldContainSubstring
```go
func ShouldContainSubstring(actual interface{}, expected ...interface{}) string
```
ShouldContainSubstring receives exactly 2 string parameters and ensures that the
first contains the second as a substring.
#### func ShouldEndWith
```go
func ShouldEndWith(actual interface{}, expected ...interface{}) string
```
ShouldEndWith receives exactly 2 string parameters and ensures that the first
ends with the second.
#### func ShouldEqual
```go
func ShouldEqual(actual interface{}, expected ...interface{}) string
```
ShouldEqual receives exactly two parameters and does an equality check using the
following semantics: 1. If the expected and actual values implement an Equal
method in the form `func (this T) Equal(that T) bool` then call the method. If
true, they are equal. 2. The expected and actual values are judged equal or not
by oglematchers.Equals.
#### func ShouldEqualJSON
```go
func ShouldEqualJSON(actual interface{}, expected ...interface{}) string
```
ShouldEqualJSON receives exactly two parameters and does an equality check by
marshalling to JSON
#### func ShouldEqualTrimSpace
```go
func ShouldEqualTrimSpace(actual interface{}, expected ...interface{}) string
```
ShouldEqualTrimSpace receives exactly 2 string parameters and ensures that the
first is equal to the second after removing all leading and trailing whitespace
using strings.TrimSpace(first).
#### func ShouldEqualWithout
```go
func ShouldEqualWithout(actual interface{}, expected ...interface{}) string
```
ShouldEqualWithout receives exactly 3 string parameters and ensures that the
first is equal to the second after removing all instances of the third from the
first using strings.Replace(first, third, "", -1).
#### func ShouldHappenAfter
```go
func ShouldHappenAfter(actual interface{}, expected ...interface{}) string
```
ShouldHappenAfter receives exactly 2 time.Time arguments and asserts that the
first happens after the second.
#### func ShouldHappenBefore
```go
func ShouldHappenBefore(actual interface{}, expected ...interface{}) string
```
ShouldHappenBefore receives exactly 2 time.Time arguments and asserts that the
first happens before the second.
#### func ShouldHappenBetween
```go
func ShouldHappenBetween(actual interface{}, expected ...interface{}) string
```
ShouldHappenBetween receives exactly 3 time.Time arguments and asserts that the
first happens between (not on) the second and third.
#### func ShouldHappenOnOrAfter
```go
func ShouldHappenOnOrAfter(actual interface{}, expected ...interface{}) string
```
ShouldHappenOnOrAfter receives exactly 2 time.Time arguments and asserts that
the first happens on or after the second.
#### func ShouldHappenOnOrBefore
```go
func ShouldHappenOnOrBefore(actual interface{}, expected ...interface{}) string
```
ShouldHappenOnOrBefore receives exactly 2 time.Time arguments and asserts that
the first happens on or before the second.
#### func ShouldHappenOnOrBetween
```go
func ShouldHappenOnOrBetween(actual interface{}, expected ...interface{}) string
```
ShouldHappenOnOrBetween receives exactly 3 time.Time arguments and asserts that
the first happens between or on the second and third.
#### func ShouldHappenWithin
```go
func ShouldHappenWithin(actual interface{}, expected ...interface{}) string
```
ShouldHappenWithin receives a time.Time, a time.Duration, and a time.Time (3
arguments) and asserts that the first time.Time happens within or on the
duration specified relative to the other time.Time.
#### func ShouldHaveLength
```go
func ShouldHaveLength(actual interface{}, expected ...interface{}) string
```
ShouldHaveLength receives 2 parameters. The first is a collection to check the
length of, the second being the expected length. It obeys the rules specified by
the len function for determining length: http://golang.org/pkg/builtin/#len
#### func ShouldHaveSameTypeAs
```go
func ShouldHaveSameTypeAs(actual interface{}, expected ...interface{}) string
```
ShouldHaveSameTypeAs receives exactly two parameters and compares their
underlying types for equality.
#### func ShouldImplement
```go
func ShouldImplement(actual interface{}, expectedList ...interface{}) string
```
ShouldImplement receives exactly two parameters and ensures that the first
implements the interface type of the second.
#### func ShouldNotAlmostEqual
```go
func ShouldNotAlmostEqual(actual interface{}, expected ...interface{}) string
```
ShouldNotAlmostEqual is the inverse of ShouldAlmostEqual
#### func ShouldNotBeBetween
```go
func ShouldNotBeBetween(actual interface{}, expected ...interface{}) string
```
ShouldNotBeBetween receives exactly three parameters: an actual value, a lower
bound, and an upper bound. It ensures that the actual value is NOT between both
bounds.
#### func ShouldNotBeBetweenOrEqual
```go
func ShouldNotBeBetweenOrEqual(actual interface{}, expected ...interface{}) string
```
ShouldNotBeBetweenOrEqual receives exactly three parameters: an actual value, a
lower bound, and an upper bound. It ensures that the actual value is nopt
between the bounds nor equal to either of them.
#### func ShouldNotBeBlank
```go
func ShouldNotBeBlank(actual interface{}, expected ...interface{}) string
```
ShouldNotBeBlank receives exactly 1 string parameter and ensures that it is
equal to "".
#### func ShouldNotBeChronological
```go
func ShouldNotBeChronological(actual interface{}, expected ...interface{}) string
```
ShouldNotBeChronological receives a []time.Time slice and asserts that they are
NOT in chronological order.
#### func ShouldNotBeEmpty
```go
func ShouldNotBeEmpty(actual interface{}, expected ...interface{}) string
```
ShouldNotBeEmpty receives a single parameter (actual) and determines whether or
not calling len(actual) would return a value greater than zero. It obeys the
rules specified by the `len` function for determining length:
http://golang.org/pkg/builtin/#len
#### func ShouldNotBeIn
```go
func ShouldNotBeIn(actual interface{}, expected ...interface{}) string
```
ShouldNotBeIn receives at least 2 parameters. The first is a proposed member of
the collection that is passed in either as the second parameter, or of the
collection that is comprised of all the remaining parameters. This assertion
ensures that the proposed member is NOT in the collection (using ShouldEqual).
#### func ShouldNotBeNil
```go
func ShouldNotBeNil(actual interface{}, expected ...interface{}) string
```
ShouldNotBeNil receives a single parameter and ensures that it is not nil.
#### func ShouldNotBeZeroValue
```go
func ShouldNotBeZeroValue(actual interface{}, expected ...interface{}) string
```
ShouldBeZeroValue receives a single parameter and ensures that it is NOT the Go
equivalent of the default value, or "zero" value.
#### func ShouldNotContain
```go
func ShouldNotContain(actual interface{}, expected ...interface{}) string
```
ShouldNotContain receives exactly two parameters. The first is a slice and the
second is a proposed member. Membership is determinied using ShouldEqual.
#### func ShouldNotContainKey
```go
func ShouldNotContainKey(actual interface{}, expected ...interface{}) string
```
ShouldNotContainKey receives exactly two parameters. The first is a map and the
second is a proposed absent key. Keys are compared with a simple '=='.
#### func ShouldNotContainSubstring
```go
func ShouldNotContainSubstring(actual interface{}, expected ...interface{}) string
```
ShouldNotContainSubstring receives exactly 2 string parameters and ensures that
the first does NOT contain the second as a substring.
#### func ShouldNotEndWith
```go
func ShouldNotEndWith(actual interface{}, expected ...interface{}) string
```
ShouldEndWith receives exactly 2 string parameters and ensures that the first
does not end with the second.
#### func ShouldNotEqual
```go
func ShouldNotEqual(actual interface{}, expected ...interface{}) string
```
ShouldNotEqual receives exactly two parameters and does an inequality check. See
ShouldEqual for details on how equality is determined.
#### func ShouldNotHappenOnOrBetween
```go
func ShouldNotHappenOnOrBetween(actual interface{}, expected ...interface{}) string
```
ShouldNotHappenOnOrBetween receives exactly 3 time.Time arguments and asserts
that the first does NOT happen between or on the second or third.
#### func ShouldNotHappenWithin
```go
func ShouldNotHappenWithin(actual interface{}, expected ...interface{}) string
```
ShouldNotHappenWithin receives a time.Time, a time.Duration, and a time.Time (3
arguments) and asserts that the first time.Time does NOT happen within or on the
duration specified relative to the other time.Time.
#### func ShouldNotHaveSameTypeAs
```go
func ShouldNotHaveSameTypeAs(actual interface{}, expected ...interface{}) string
```
ShouldNotHaveSameTypeAs receives exactly two parameters and compares their
underlying types for inequality.
#### func ShouldNotImplement
```go
func ShouldNotImplement(actual interface{}, expectedList ...interface{}) string
```
ShouldNotImplement receives exactly two parameters and ensures that the first
does NOT implement the interface type of the second.
#### func ShouldNotPanic
```go
func ShouldNotPanic(actual interface{}, expected ...interface{}) (message string)
```
ShouldNotPanic receives a void, niladic function and expects to execute the
function without any panic.
#### func ShouldNotPanicWith
```go
func ShouldNotPanicWith(actual interface{}, expected ...interface{}) (message string)
```
ShouldNotPanicWith receives a void, niladic function and expects to recover a
panic whose content differs from the second argument.
#### func ShouldNotPointTo
```go
func ShouldNotPointTo(actual interface{}, expected ...interface{}) string
```
ShouldNotPointTo receives exactly two parameters and checks to see that they
point to different addresess.
#### func ShouldNotResemble
```go
func ShouldNotResemble(actual interface{}, expected ...interface{}) string
```
ShouldNotResemble receives exactly two parameters and does an inverse deep equal
check (see reflect.DeepEqual)
#### func ShouldNotStartWith
```go
func ShouldNotStartWith(actual interface{}, expected ...interface{}) string
```
ShouldNotStartWith receives exactly 2 string parameters and ensures that the
first does not start with the second.
#### func ShouldPanic
```go
func ShouldPanic(actual interface{}, expected ...interface{}) (message string)
```
ShouldPanic receives a void, niladic function and expects to recover a panic.
#### func ShouldPanicWith
```go
func ShouldPanicWith(actual interface{}, expected ...interface{}) (message string)
```
ShouldPanicWith receives a void, niladic function and expects to recover a panic
with the second argument as the content.
#### func ShouldPointTo
```go
func ShouldPointTo(actual interface{}, expected ...interface{}) string
```
ShouldPointTo receives exactly two parameters and checks to see that they point
to the same address.
#### func ShouldResemble
```go
func ShouldResemble(actual interface{}, expected ...interface{}) string
```
ShouldResemble receives exactly two parameters and does a deep equal check (see
reflect.DeepEqual)
#### func ShouldStartWith
```go
func ShouldStartWith(actual interface{}, expected ...interface{}) string
```
ShouldStartWith receives exactly 2 string parameters and ensures that the first
starts with the second.
#### func So
```go
func So(actual interface{}, assert assertion, expected ...interface{}) (bool, string)
```
So is a convenience function (as opposed to an inconvenience function?) for
running assertions on arbitrary arguments in any context, be it for testing or
even application logging. It allows you to perform assertion-like behavior (and
get nicely formatted messages detailing discrepancies) but without the program
blowing up or panicking. All that is required is to import this package and call
`So` with one of the assertions exported by this package as the second
parameter. The first return parameter is a boolean indicating if the assertion
was true. The second return parameter is the well-formatted message showing why
an assertion was incorrect, or blank if the assertion was correct.
Example:
if ok, message := So(x, ShouldBeGreaterThan, y); !ok {
log.Println(message)
}
For an alternative implementation of So (that provides more flexible return
options) see the `So` function in the package at
github.com/smartystreets/assertions/assert.
#### type Assertion
```go
type Assertion struct {
}
```
#### func New
```go
func New(t testingT) *Assertion
```
New swallows the *testing.T struct and prints failed assertions using t.Error.
Example: assertions.New(t).So(1, should.Equal, 1)
#### func (*Assertion) Failed
```go
func (this *Assertion) Failed() bool
```
Failed reports whether any calls to So (on this Assertion instance) have failed.
#### func (*Assertion) So
```go
func (this *Assertion) So(actual interface{}, assert assertion, expected ...interface{}) bool
```
So calls the standalone So function and additionally, calls t.Error in failure
scenarios.
#### type FailureView
```go
type FailureView struct {
Message string `json:"Message"`
Expected string `json:"Expected"`
Actual string `json:"Actual"`
}
```
This struct is also declared in
github.com/smartystreets/goconvey/convey/reporting. The json struct tags should
be equal in both declarations.
#### type Serializer
```go
type Serializer interface {
// contains filtered or unexported methods
}
```

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package assertions
import (
"fmt"
"reflect"
"github.com/smartystreets/assertions/internal/oglematchers"
)
// ShouldContain receives exactly two parameters. The first is a slice and the
// second is a proposed member. Membership is determined using ShouldEqual.
func ShouldContain(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
}
if matchError := oglematchers.Contains(expected[0]).Matches(actual); matchError != nil {
typeName := reflect.TypeOf(actual)
if fmt.Sprintf("%v", matchError) == "which is not a slice or array" {
return fmt.Sprintf(shouldHaveBeenAValidCollection, typeName)
}
return fmt.Sprintf(shouldHaveContained, typeName, expected[0])
}
return success
}
// ShouldNotContain receives exactly two parameters. The first is a slice and the
// second is a proposed member. Membership is determinied using ShouldEqual.
func ShouldNotContain(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
}
typeName := reflect.TypeOf(actual)
if matchError := oglematchers.Contains(expected[0]).Matches(actual); matchError != nil {
if fmt.Sprintf("%v", matchError) == "which is not a slice or array" {
return fmt.Sprintf(shouldHaveBeenAValidCollection, typeName)
}
return success
}
return fmt.Sprintf(shouldNotHaveContained, typeName, expected[0])
}
// ShouldContainKey receives exactly two parameters. The first is a map and the
// second is a proposed key. Keys are compared with a simple '=='.
func ShouldContainKey(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
}
keys, isMap := mapKeys(actual)
if !isMap {
return fmt.Sprintf(shouldHaveBeenAValidMap, reflect.TypeOf(actual))
}
if !keyFound(keys, expected[0]) {
return fmt.Sprintf(shouldHaveContainedKey, reflect.TypeOf(actual), expected)
}
return ""
}
// ShouldNotContainKey receives exactly two parameters. The first is a map and the
// second is a proposed absent key. Keys are compared with a simple '=='.
func ShouldNotContainKey(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
}
keys, isMap := mapKeys(actual)
if !isMap {
return fmt.Sprintf(shouldHaveBeenAValidMap, reflect.TypeOf(actual))
}
if keyFound(keys, expected[0]) {
return fmt.Sprintf(shouldNotHaveContainedKey, reflect.TypeOf(actual), expected)
}
return ""
}
func mapKeys(m interface{}) ([]reflect.Value, bool) {
value := reflect.ValueOf(m)
if value.Kind() != reflect.Map {
return nil, false
}
return value.MapKeys(), true
}
func keyFound(keys []reflect.Value, expectedKey interface{}) bool {
found := false
for _, key := range keys {
if key.Interface() == expectedKey {
found = true
}
}
return found
}
// ShouldBeIn receives at least 2 parameters. The first is a proposed member of the collection
// that is passed in either as the second parameter, or of the collection that is comprised
// of all the remaining parameters. This assertion ensures that the proposed member is in
// the collection (using ShouldEqual).
func ShouldBeIn(actual interface{}, expected ...interface{}) string {
if fail := atLeast(1, expected); fail != success {
return fail
}
if len(expected) == 1 {
return shouldBeIn(actual, expected[0])
}
return shouldBeIn(actual, expected)
}
func shouldBeIn(actual interface{}, expected interface{}) string {
if matchError := oglematchers.Contains(actual).Matches(expected); matchError != nil {
return fmt.Sprintf(shouldHaveBeenIn, actual, reflect.TypeOf(expected))
}
return success
}
// ShouldNotBeIn receives at least 2 parameters. The first is a proposed member of the collection
// that is passed in either as the second parameter, or of the collection that is comprised
// of all the remaining parameters. This assertion ensures that the proposed member is NOT in
// the collection (using ShouldEqual).
func ShouldNotBeIn(actual interface{}, expected ...interface{}) string {
if fail := atLeast(1, expected); fail != success {
return fail
}
if len(expected) == 1 {
return shouldNotBeIn(actual, expected[0])
}
return shouldNotBeIn(actual, expected)
}
func shouldNotBeIn(actual interface{}, expected interface{}) string {
if matchError := oglematchers.Contains(actual).Matches(expected); matchError == nil {
return fmt.Sprintf(shouldNotHaveBeenIn, actual, reflect.TypeOf(expected))
}
return success
}
// ShouldBeEmpty receives a single parameter (actual) and determines whether or not
// calling len(actual) would return `0`. It obeys the rules specified by the len
// function for determining length: http://golang.org/pkg/builtin/#len
func ShouldBeEmpty(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
}
if actual == nil {
return success
}
value := reflect.ValueOf(actual)
switch value.Kind() {
case reflect.Slice:
if value.Len() == 0 {
return success
}
case reflect.Chan:
if value.Len() == 0 {
return success
}
case reflect.Map:
if value.Len() == 0 {
return success
}
case reflect.String:
if value.Len() == 0 {
return success
}
case reflect.Ptr:
elem := value.Elem()
kind := elem.Kind()
if (kind == reflect.Slice || kind == reflect.Array) && elem.Len() == 0 {
return success
}
}
return fmt.Sprintf(shouldHaveBeenEmpty, actual)
}
// ShouldNotBeEmpty receives a single parameter (actual) and determines whether or not
// calling len(actual) would return a value greater than zero. It obeys the rules
// specified by the `len` function for determining length: http://golang.org/pkg/builtin/#len
func ShouldNotBeEmpty(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
}
if empty := ShouldBeEmpty(actual, expected...); empty != success {
return success
}
return fmt.Sprintf(shouldNotHaveBeenEmpty, actual)
}
// ShouldHaveLength receives 2 parameters. The first is a collection to check
// the length of, the second being the expected length. It obeys the rules
// specified by the len function for determining length:
// http://golang.org/pkg/builtin/#len
func ShouldHaveLength(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
}
var expectedLen int64
lenValue := reflect.ValueOf(expected[0])
switch lenValue.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
expectedLen = lenValue.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
expectedLen = int64(lenValue.Uint())
default:
return fmt.Sprintf(shouldHaveBeenAValidInteger, reflect.TypeOf(expected[0]))
}
if expectedLen < 0 {
return fmt.Sprintf(shouldHaveBeenAValidLength, expected[0])
}
value := reflect.ValueOf(actual)
switch value.Kind() {
case reflect.Slice,
reflect.Chan,
reflect.Map,
reflect.String:
if int64(value.Len()) == expectedLen {
return success
} else {
return fmt.Sprintf(shouldHaveHadLength, expectedLen, value.Len(), actual)
}
case reflect.Ptr:
elem := value.Elem()
kind := elem.Kind()
if kind == reflect.Slice || kind == reflect.Array {
if int64(elem.Len()) == expectedLen {
return success
} else {
return fmt.Sprintf(shouldHaveHadLength, expectedLen, elem.Len(), actual)
}
}
}
return fmt.Sprintf(shouldHaveBeenAValidCollection, reflect.TypeOf(actual))
}

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// Package assertions contains the implementations for all assertions which
// are referenced in goconvey's `convey` package
// (github.com/smartystreets/goconvey/convey) and gunit (github.com/smartystreets/gunit)
// for use with the So(...) method.
// They can also be used in traditional Go test functions and even in
// applications.
//
// https://smartystreets.com
//
// Many of the assertions lean heavily on work done by Aaron Jacobs in his excellent oglematchers library.
// (https://github.com/jacobsa/oglematchers)
// The ShouldResemble assertion leans heavily on work done by Daniel Jacques in his very helpful go-render library.
// (https://github.com/luci/go-render)
package assertions
import (
"fmt"
"runtime"
)
// By default we use a no-op serializer. The actual Serializer provides a JSON
// representation of failure results on selected assertions so the goconvey
// web UI can display a convenient diff.
var serializer Serializer = new(noopSerializer)
// GoConveyMode provides control over JSON serialization of failures. When
// using the assertions in this package from the convey package JSON results
// are very helpful and can be rendered in a DIFF view. In that case, this function
// will be called with a true value to enable the JSON serialization. By default,
// the assertions in this package will not serializer a JSON result, making
// standalone usage more convenient.
func GoConveyMode(yes bool) {
if yes {
serializer = newSerializer()
} else {
serializer = new(noopSerializer)
}
}
type testingT interface {
Error(args ...interface{})
}
type Assertion struct {
t testingT
failed bool
}
// New swallows the *testing.T struct and prints failed assertions using t.Error.
// Example: assertions.New(t).So(1, should.Equal, 1)
func New(t testingT) *Assertion {
return &Assertion{t: t}
}
// Failed reports whether any calls to So (on this Assertion instance) have failed.
func (this *Assertion) Failed() bool {
return this.failed
}
// So calls the standalone So function and additionally, calls t.Error in failure scenarios.
func (this *Assertion) So(actual interface{}, assert assertion, expected ...interface{}) bool {
ok, result := So(actual, assert, expected...)
if !ok {
this.failed = true
_, file, line, _ := runtime.Caller(1)
this.t.Error(fmt.Sprintf("\n%s:%d\n%s", file, line, result))
}
return ok
}
// So is a convenience function (as opposed to an inconvenience function?)
// for running assertions on arbitrary arguments in any context, be it for testing or even
// application logging. It allows you to perform assertion-like behavior (and get nicely
// formatted messages detailing discrepancies) but without the program blowing up or panicking.
// All that is required is to import this package and call `So` with one of the assertions
// exported by this package as the second parameter.
// The first return parameter is a boolean indicating if the assertion was true. The second
// return parameter is the well-formatted message showing why an assertion was incorrect, or
// blank if the assertion was correct.
//
// Example:
//
// if ok, message := So(x, ShouldBeGreaterThan, y); !ok {
// log.Println(message)
// }
//
// For an alternative implementation of So (that provides more flexible return options)
// see the `So` function in the package at github.com/smartystreets/assertions/assert.
func So(actual interface{}, assert assertion, expected ...interface{}) (bool, string) {
if result := so(actual, assert, expected...); len(result) == 0 {
return true, result
} else {
return false, result
}
}
// so is like So, except that it only returns the string message, which is blank if the
// assertion passed. Used to facilitate testing.
func so(actual interface{}, assert func(interface{}, ...interface{}) string, expected ...interface{}) string {
return assert(actual, expected...)
}
// assertion is an alias for a function with a signature that the So()
// function can handle. Any future or custom assertions should conform to this
// method signature. The return value should be an empty string if the assertion
// passes and a well-formed failure message if not.
type assertion func(actual interface{}, expected ...interface{}) string
////////////////////////////////////////////////////////////////////////////

75
backend/vendor/github.com/smartystreets/assertions/equal_method.go generated vendored Normal file
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package assertions
import "reflect"
type equalityMethodSpecification struct {
a interface{}
b interface{}
aType reflect.Type
bType reflect.Type
equalMethod reflect.Value
}
func newEqualityMethodSpecification(a, b interface{}) *equalityMethodSpecification {
return &equalityMethodSpecification{
a: a,
b: b,
}
}
func (this *equalityMethodSpecification) IsSatisfied() bool {
if !this.bothAreSameType() {
return false
}
if !this.typeHasEqualMethod() {
return false
}
if !this.equalMethodReceivesSameTypeForComparison() {
return false
}
if !this.equalMethodReturnsBool() {
return false
}
return true
}
func (this *equalityMethodSpecification) bothAreSameType() bool {
this.aType = reflect.TypeOf(this.a)
if this.aType == nil {
return false
}
if this.aType.Kind() == reflect.Ptr {
this.aType = this.aType.Elem()
}
this.bType = reflect.TypeOf(this.b)
return this.aType == this.bType
}
func (this *equalityMethodSpecification) typeHasEqualMethod() bool {
aInstance := reflect.ValueOf(this.a)
this.equalMethod = aInstance.MethodByName("Equal")
return this.equalMethod != reflect.Value{}
}
func (this *equalityMethodSpecification) equalMethodReceivesSameTypeForComparison() bool {
signature := this.equalMethod.Type()
return signature.NumIn() == 1 && signature.In(0) == this.aType
}
func (this *equalityMethodSpecification) equalMethodReturnsBool() bool {
signature := this.equalMethod.Type()
return signature.NumOut() == 1 && signature.Out(0) == reflect.TypeOf(true)
}
func (this *equalityMethodSpecification) AreEqual() bool {
a := reflect.ValueOf(this.a)
b := reflect.ValueOf(this.b)
return areEqual(a, b) && areEqual(b, a)
}
func areEqual(receiver reflect.Value, argument reflect.Value) bool {
equalMethod := receiver.MethodByName("Equal")
argumentList := []reflect.Value{argument}
result := equalMethod.Call(argumentList)
return result[0].Bool()
}

331
backend/vendor/github.com/smartystreets/assertions/equality.go generated vendored Normal file
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package assertions
import (
"encoding/json"
"errors"
"fmt"
"math"
"reflect"
"strings"
"github.com/smartystreets/assertions/internal/go-render/render"
"github.com/smartystreets/assertions/internal/oglematchers"
)
// ShouldEqual receives exactly two parameters and does an equality check
// using the following semantics:
// 1. If the expected and actual values implement an Equal method in the form
// `func (this T) Equal(that T) bool` then call the method. If true, they are equal.
// 2. The expected and actual values are judged equal or not by oglematchers.Equals.
func ShouldEqual(actual interface{}, expected ...interface{}) string {
if message := need(1, expected); message != success {
return message
}
return shouldEqual(actual, expected[0])
}
func shouldEqual(actual, expected interface{}) (message string) {
defer func() {
if r := recover(); r != nil {
message = serializer.serialize(expected, actual, composeEqualityMismatchMessage(expected, actual))
}
}()
if spec := newEqualityMethodSpecification(expected, actual); spec.IsSatisfied() && spec.AreEqual() {
return success
} else if matchError := oglematchers.Equals(expected).Matches(actual); matchError == nil {
return success
}
return serializer.serialize(expected, actual, composeEqualityMismatchMessage(expected, actual))
}
func composeEqualityMismatchMessage(expected, actual interface{}) string {
var (
renderedExpected = fmt.Sprintf("%v", expected)
renderedActual = fmt.Sprintf("%v", actual)
)
if renderedExpected != renderedActual {
return fmt.Sprintf(shouldHaveBeenEqual+composePrettyDiff(renderedExpected, renderedActual), expected, actual)
} else if reflect.TypeOf(expected) != reflect.TypeOf(actual) {
return fmt.Sprintf(shouldHaveBeenEqualTypeMismatch, expected, expected, actual, actual)
} else {
return fmt.Sprintf(shouldHaveBeenEqualNoResemblance, renderedExpected)
}
}
// ShouldNotEqual receives exactly two parameters and does an inequality check.
// See ShouldEqual for details on how equality is determined.
func ShouldNotEqual(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
} else if ShouldEqual(actual, expected[0]) == success {
return fmt.Sprintf(shouldNotHaveBeenEqual, actual, expected[0])
}
return success
}
// ShouldAlmostEqual makes sure that two parameters are close enough to being equal.
// The acceptable delta may be specified with a third argument,
// or a very small default delta will be used.
func ShouldAlmostEqual(actual interface{}, expected ...interface{}) string {
actualFloat, expectedFloat, deltaFloat, err := cleanAlmostEqualInput(actual, expected...)
if err != "" {
return err
}
if math.Abs(actualFloat-expectedFloat) <= deltaFloat {
return success
} else {
return fmt.Sprintf(shouldHaveBeenAlmostEqual, actualFloat, expectedFloat)
}
}
// ShouldNotAlmostEqual is the inverse of ShouldAlmostEqual
func ShouldNotAlmostEqual(actual interface{}, expected ...interface{}) string {
actualFloat, expectedFloat, deltaFloat, err := cleanAlmostEqualInput(actual, expected...)
if err != "" {
return err
}
if math.Abs(actualFloat-expectedFloat) > deltaFloat {
return success
} else {
return fmt.Sprintf(shouldHaveNotBeenAlmostEqual, actualFloat, expectedFloat)
}
}
func cleanAlmostEqualInput(actual interface{}, expected ...interface{}) (float64, float64, float64, string) {
deltaFloat := 0.0000000001
if len(expected) == 0 {
return 0.0, 0.0, 0.0, "This assertion requires exactly one comparison value and an optional delta (you provided neither)"
} else if len(expected) == 2 {
delta, err := getFloat(expected[1])
if err != nil {
return 0.0, 0.0, 0.0, "The delta value " + err.Error()
}
deltaFloat = delta
} else if len(expected) > 2 {
return 0.0, 0.0, 0.0, "This assertion requires exactly one comparison value and an optional delta (you provided more values)"
}
actualFloat, err := getFloat(actual)
if err != nil {
return 0.0, 0.0, 0.0, "The actual value " + err.Error()
}
expectedFloat, err := getFloat(expected[0])
if err != nil {
return 0.0, 0.0, 0.0, "The comparison value " + err.Error()
}
return actualFloat, expectedFloat, deltaFloat, ""
}
// returns the float value of any real number, or error if it is not a numerical type
func getFloat(num interface{}) (float64, error) {
numValue := reflect.ValueOf(num)
numKind := numValue.Kind()
if numKind == reflect.Int ||
numKind == reflect.Int8 ||
numKind == reflect.Int16 ||
numKind == reflect.Int32 ||
numKind == reflect.Int64 {
return float64(numValue.Int()), nil
} else if numKind == reflect.Uint ||
numKind == reflect.Uint8 ||
numKind == reflect.Uint16 ||
numKind == reflect.Uint32 ||
numKind == reflect.Uint64 {
return float64(numValue.Uint()), nil
} else if numKind == reflect.Float32 ||
numKind == reflect.Float64 {
return numValue.Float(), nil
} else {
return 0.0, errors.New("must be a numerical type, but was: " + numKind.String())
}
}
// ShouldEqualJSON receives exactly two parameters and does an equality check by marshalling to JSON
func ShouldEqualJSON(actual interface{}, expected ...interface{}) string {
if message := need(1, expected); message != success {
return message
}
expectedString, expectedErr := remarshal(expected[0].(string))
if expectedErr != nil {
return "Expected value not valid JSON: " + expectedErr.Error()
}
actualString, actualErr := remarshal(actual.(string))
if actualErr != nil {
return "Actual value not valid JSON: " + actualErr.Error()
}
return ShouldEqual(actualString, expectedString)
}
func remarshal(value string) (string, error) {
var structured interface{}
err := json.Unmarshal([]byte(value), &structured)
if err != nil {
return "", err
}
canonical, _ := json.Marshal(structured)
return string(canonical), nil
}
// ShouldResemble receives exactly two parameters and does a deep equal check (see reflect.DeepEqual)
func ShouldResemble(actual interface{}, expected ...interface{}) string {
if message := need(1, expected); message != success {
return message
}
if matchError := oglematchers.DeepEquals(expected[0]).Matches(actual); matchError != nil {
renderedExpected, renderedActual := render.Render(expected[0]), render.Render(actual)
message := fmt.Sprintf(shouldHaveResembled, renderedExpected, renderedActual) +
composePrettyDiff(renderedExpected, renderedActual)
return serializer.serializeDetailed(expected[0], actual, message)
}
return success
}
// ShouldNotResemble receives exactly two parameters and does an inverse deep equal check (see reflect.DeepEqual)
func ShouldNotResemble(actual interface{}, expected ...interface{}) string {
if message := need(1, expected); message != success {
return message
} else if ShouldResemble(actual, expected[0]) == success {
return fmt.Sprintf(shouldNotHaveResembled, render.Render(actual), render.Render(expected[0]))
}
return success
}
// ShouldPointTo receives exactly two parameters and checks to see that they point to the same address.
func ShouldPointTo(actual interface{}, expected ...interface{}) string {
if message := need(1, expected); message != success {
return message
}
return shouldPointTo(actual, expected[0])
}
func shouldPointTo(actual, expected interface{}) string {
actualValue := reflect.ValueOf(actual)
expectedValue := reflect.ValueOf(expected)
if ShouldNotBeNil(actual) != success {
return fmt.Sprintf(shouldHaveBeenNonNilPointer, "first", "nil")
} else if ShouldNotBeNil(expected) != success {
return fmt.Sprintf(shouldHaveBeenNonNilPointer, "second", "nil")
} else if actualValue.Kind() != reflect.Ptr {
return fmt.Sprintf(shouldHaveBeenNonNilPointer, "first", "not")
} else if expectedValue.Kind() != reflect.Ptr {
return fmt.Sprintf(shouldHaveBeenNonNilPointer, "second", "not")
} else if ShouldEqual(actualValue.Pointer(), expectedValue.Pointer()) != success {
actualAddress := reflect.ValueOf(actual).Pointer()
expectedAddress := reflect.ValueOf(expected).Pointer()
return serializer.serialize(expectedAddress, actualAddress, fmt.Sprintf(shouldHavePointedTo,
actual, actualAddress,
expected, expectedAddress))
}
return success
}
// ShouldNotPointTo receives exactly two parameters and checks to see that they point to different addresess.
func ShouldNotPointTo(actual interface{}, expected ...interface{}) string {
if message := need(1, expected); message != success {
return message
}
compare := ShouldPointTo(actual, expected[0])
if strings.HasPrefix(compare, shouldBePointers) {
return compare
} else if compare == success {
return fmt.Sprintf(shouldNotHavePointedTo, actual, expected[0], reflect.ValueOf(actual).Pointer())
}
return success
}
// ShouldBeNil receives a single parameter and ensures that it is nil.
func ShouldBeNil(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
} else if actual == nil {
return success
} else if interfaceHasNilValue(actual) {
return success
}
return fmt.Sprintf(shouldHaveBeenNil, actual)
}
func interfaceHasNilValue(actual interface{}) bool {
value := reflect.ValueOf(actual)
kind := value.Kind()
nilable := kind == reflect.Slice ||
kind == reflect.Chan ||
kind == reflect.Func ||
kind == reflect.Ptr ||
kind == reflect.Map
// Careful: reflect.Value.IsNil() will panic unless it's an interface, chan, map, func, slice, or ptr
// Reference: http://golang.org/pkg/reflect/#Value.IsNil
return nilable && value.IsNil()
}
// ShouldNotBeNil receives a single parameter and ensures that it is not nil.
func ShouldNotBeNil(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
} else if ShouldBeNil(actual) == success {
return fmt.Sprintf(shouldNotHaveBeenNil, actual)
}
return success
}
// ShouldBeTrue receives a single parameter and ensures that it is true.
func ShouldBeTrue(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
} else if actual != true {
return fmt.Sprintf(shouldHaveBeenTrue, actual)
}
return success
}
// ShouldBeFalse receives a single parameter and ensures that it is false.
func ShouldBeFalse(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
} else if actual != false {
return fmt.Sprintf(shouldHaveBeenFalse, actual)
}
return success
}
// ShouldBeZeroValue receives a single parameter and ensures that it is
// the Go equivalent of the default value, or "zero" value.
func ShouldBeZeroValue(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
}
zeroVal := reflect.Zero(reflect.TypeOf(actual)).Interface()
if !reflect.DeepEqual(zeroVal, actual) {
return serializer.serialize(zeroVal, actual, fmt.Sprintf(shouldHaveBeenZeroValue, actual))
}
return success
}
// ShouldBeZeroValue receives a single parameter and ensures that it is NOT
// the Go equivalent of the default value, or "zero" value.
func ShouldNotBeZeroValue(actual interface{}, expected ...interface{}) string {
if fail := need(0, expected); fail != success {
return fail
}
zeroVal := reflect.Zero(reflect.TypeOf(actual)).Interface()
if reflect.DeepEqual(zeroVal, actual) {
return serializer.serialize(zeroVal, actual, fmt.Sprintf(shouldNotHaveBeenZeroValue, actual))
}
return success
}

37
backend/vendor/github.com/smartystreets/assertions/equality_diff.go generated vendored Normal file
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@@ -0,0 +1,37 @@
package assertions
import (
"fmt"
"github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch"
)
func composePrettyDiff(expected, actual string) string {
diff := diffmatchpatch.New()
diffs := diff.DiffMain(expected, actual, false)
if prettyDiffIsLikelyToBeHelpful(diffs) {
return fmt.Sprintf("\nDiff: '%s'", diff.DiffPrettyText(diffs))
}
return ""
}
// prettyDiffIsLikelyToBeHelpful returns true if the diff listing contains
// more 'equal' segments than 'deleted'/'inserted' segments.
func prettyDiffIsLikelyToBeHelpful(diffs []diffmatchpatch.Diff) bool {
equal, deleted, inserted := measureDiffTypeLengths(diffs)
return equal > deleted && equal > inserted
}
func measureDiffTypeLengths(diffs []diffmatchpatch.Diff) (equal, deleted, inserted int) {
for _, segment := range diffs {
switch segment.Type {
case diffmatchpatch.DiffEqual:
equal += len(segment.Text)
case diffmatchpatch.DiffDelete:
deleted += len(segment.Text)
case diffmatchpatch.DiffInsert:
inserted += len(segment.Text)
}
}
return equal, deleted, inserted
}

31
backend/vendor/github.com/smartystreets/assertions/filter.go generated vendored Normal file
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@@ -0,0 +1,31 @@
package assertions
import "fmt"
const (
success = ""
needExactValues = "This assertion requires exactly %d comparison values (you provided %d)."
needNonEmptyCollection = "This assertion requires at least 1 comparison value (you provided 0)."
needFewerValues = "This assertion allows %d or fewer comparison values (you provided %d)."
)
func need(needed int, expected []interface{}) string {
if len(expected) != needed {
return fmt.Sprintf(needExactValues, needed, len(expected))
}
return success
}
func atLeast(minimum int, expected []interface{}) string {
if len(expected) < minimum {
return needNonEmptyCollection
}
return success
}
func atMost(max int, expected []interface{}) string {
if len(expected) > max {
return fmt.Sprintf(needFewerValues, max, len(expected))
}
return success
}

3
backend/vendor/github.com/smartystreets/assertions/go.mod generated vendored Normal file
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@@ -0,0 +1,3 @@
module github.com/smartystreets/assertions
go 1.12

25
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/AUTHORS generated vendored Normal file
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@@ -0,0 +1,25 @@
# This is the official list of go-diff authors for copyright purposes.
# This file is distinct from the CONTRIBUTORS files.
# See the latter for an explanation.
# Names should be added to this file as
# Name or Organization <email address>
# The email address is not required for organizations.
# Please keep the list sorted.
Danny Yoo <dannyyoo@google.com>
James Kolb <jkolb@google.com>
Jonathan Amsterdam <jba@google.com>
Markus Zimmermann <markus.zimmermann@nethead.at> <markus.zimmermann@symflower.com> <zimmski@gmail.com>
Matt Kovars <akaskik@gmail.com>
Örjan Persson <orjan@spotify.com>
Osman Masood <oamasood@gmail.com>
Robert Carlsen <rwcarlsen@gmail.com>
Rory Flynn <roryflynn@users.noreply.github.com>
Sergi Mansilla <sergi.mansilla@gmail.com>
Shatrugna Sadhu <ssadhu@apcera.com>
Shawn Smith <shawnpsmith@gmail.com>
Stas Maksimov <maksimov@gmail.com>
Tor Arvid Lund <torarvid@gmail.com>
Zac Bergquist <zbergquist99@gmail.com>

32
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/CONTRIBUTORS generated vendored Normal file
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@@ -0,0 +1,32 @@
# This is the official list of people who can contribute
# (and typically have contributed) code to the go-diff
# repository.
#
# The AUTHORS file lists the copyright holders; this file
# lists people. For example, ACME Inc. employees would be listed here
# but not in AUTHORS, because ACME Inc. would hold the copyright.
#
# When adding J Random Contributor's name to this file,
# either J's name or J's organization's name should be
# added to the AUTHORS file.
#
# Names should be added to this file like so:
# Name <email address>
#
# Please keep the list sorted.
Danny Yoo <dannyyoo@google.com>
James Kolb <jkolb@google.com>
Jonathan Amsterdam <jba@google.com>
Markus Zimmermann <markus.zimmermann@nethead.at> <markus.zimmermann@symflower.com> <zimmski@gmail.com>
Matt Kovars <akaskik@gmail.com>
Örjan Persson <orjan@spotify.com>
Osman Masood <oamasood@gmail.com>
Robert Carlsen <rwcarlsen@gmail.com>
Rory Flynn <roryflynn@users.noreply.github.com>
Sergi Mansilla <sergi.mansilla@gmail.com>
Shatrugna Sadhu <ssadhu@apcera.com>
Shawn Smith <shawnpsmith@gmail.com>
Stas Maksimov <maksimov@gmail.com>
Tor Arvid Lund <torarvid@gmail.com>
Zac Bergquist <zbergquist99@gmail.com>

20
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/LICENSE generated vendored Normal file
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@@ -0,0 +1,20 @@
Copyright (c) 2012-2016 The go-diff Authors. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

1345
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch/diff.go generated vendored Normal file
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File diff suppressed because it is too large Load Diff

46
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch/diffmatchpatch.go generated vendored Normal file
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@@ -0,0 +1,46 @@
// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
// https://github.com/sergi/go-diff
// See the included LICENSE file for license details.
//
// go-diff is a Go implementation of Google's Diff, Match, and Patch library
// Original library is Copyright (c) 2006 Google Inc.
// http://code.google.com/p/google-diff-match-patch/
// Package diffmatchpatch offers robust algorithms to perform the operations required for synchronizing plain text.
package diffmatchpatch
import (
"time"
)
// DiffMatchPatch holds the configuration for diff-match-patch operations.
type DiffMatchPatch struct {
// Number of seconds to map a diff before giving up (0 for infinity).
DiffTimeout time.Duration
// Cost of an empty edit operation in terms of edit characters.
DiffEditCost int
// How far to search for a match (0 = exact location, 1000+ = broad match). A match this many characters away from the expected location will add 1.0 to the score (0.0 is a perfect match).
MatchDistance int
// When deleting a large block of text (over ~64 characters), how close do the contents have to be to match the expected contents. (0.0 = perfection, 1.0 = very loose). Note that MatchThreshold controls how closely the end points of a delete need to match.
PatchDeleteThreshold float64
// Chunk size for context length.
PatchMargin int
// The number of bits in an int.
MatchMaxBits int
// At what point is no match declared (0.0 = perfection, 1.0 = very loose).
MatchThreshold float64
}
// New creates a new DiffMatchPatch object with default parameters.
func New() *DiffMatchPatch {
// Defaults.
return &DiffMatchPatch{
DiffTimeout: time.Second,
DiffEditCost: 4,
MatchThreshold: 0.5,
MatchDistance: 1000,
PatchDeleteThreshold: 0.5,
PatchMargin: 4,
MatchMaxBits: 32,
}
}

160
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch/match.go generated vendored Normal file
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@@ -0,0 +1,160 @@
// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
// https://github.com/sergi/go-diff
// See the included LICENSE file for license details.
//
// go-diff is a Go implementation of Google's Diff, Match, and Patch library
// Original library is Copyright (c) 2006 Google Inc.
// http://code.google.com/p/google-diff-match-patch/
package diffmatchpatch
import (
"math"
)
// MatchMain locates the best instance of 'pattern' in 'text' near 'loc'.
// Returns -1 if no match found.
func (dmp *DiffMatchPatch) MatchMain(text, pattern string, loc int) int {
// Check for null inputs not needed since null can't be passed in C#.
loc = int(math.Max(0, math.Min(float64(loc), float64(len(text)))))
if text == pattern {
// Shortcut (potentially not guaranteed by the algorithm)
return 0
} else if len(text) == 0 {
// Nothing to match.
return -1
} else if loc+len(pattern) <= len(text) && text[loc:loc+len(pattern)] == pattern {
// Perfect match at the perfect spot! (Includes case of null pattern)
return loc
}
// Do a fuzzy compare.
return dmp.MatchBitap(text, pattern, loc)
}
// MatchBitap locates the best instance of 'pattern' in 'text' near 'loc' using the Bitap algorithm.
// Returns -1 if no match was found.
func (dmp *DiffMatchPatch) MatchBitap(text, pattern string, loc int) int {
// Initialise the alphabet.
s := dmp.MatchAlphabet(pattern)
// Highest score beyond which we give up.
scoreThreshold := dmp.MatchThreshold
// Is there a nearby exact match? (speedup)
bestLoc := indexOf(text, pattern, loc)
if bestLoc != -1 {
scoreThreshold = math.Min(dmp.matchBitapScore(0, bestLoc, loc,
pattern), scoreThreshold)
// What about in the other direction? (speedup)
bestLoc = lastIndexOf(text, pattern, loc+len(pattern))
if bestLoc != -1 {
scoreThreshold = math.Min(dmp.matchBitapScore(0, bestLoc, loc,
pattern), scoreThreshold)
}
}
// Initialise the bit arrays.
matchmask := 1 << uint((len(pattern) - 1))
bestLoc = -1
var binMin, binMid int
binMax := len(pattern) + len(text)
lastRd := []int{}
for d := 0; d < len(pattern); d++ {
// Scan for the best match; each iteration allows for one more error. Run a binary search to determine how far from 'loc' we can stray at this error level.
binMin = 0
binMid = binMax
for binMin < binMid {
if dmp.matchBitapScore(d, loc+binMid, loc, pattern) <= scoreThreshold {
binMin = binMid
} else {
binMax = binMid
}
binMid = (binMax-binMin)/2 + binMin
}
// Use the result from this iteration as the maximum for the next.
binMax = binMid
start := int(math.Max(1, float64(loc-binMid+1)))
finish := int(math.Min(float64(loc+binMid), float64(len(text))) + float64(len(pattern)))
rd := make([]int, finish+2)
rd[finish+1] = (1 << uint(d)) - 1
for j := finish; j >= start; j-- {
var charMatch int
if len(text) <= j-1 {
// Out of range.
charMatch = 0
} else if _, ok := s[text[j-1]]; !ok {
charMatch = 0
} else {
charMatch = s[text[j-1]]
}
if d == 0 {
// First pass: exact match.
rd[j] = ((rd[j+1] << 1) | 1) & charMatch
} else {
// Subsequent passes: fuzzy match.
rd[j] = ((rd[j+1]<<1)|1)&charMatch | (((lastRd[j+1] | lastRd[j]) << 1) | 1) | lastRd[j+1]
}
if (rd[j] & matchmask) != 0 {
score := dmp.matchBitapScore(d, j-1, loc, pattern)
// This match will almost certainly be better than any existing match. But check anyway.
if score <= scoreThreshold {
// Told you so.
scoreThreshold = score
bestLoc = j - 1
if bestLoc > loc {
// When passing loc, don't exceed our current distance from loc.
start = int(math.Max(1, float64(2*loc-bestLoc)))
} else {
// Already passed loc, downhill from here on in.
break
}
}
}
}
if dmp.matchBitapScore(d+1, loc, loc, pattern) > scoreThreshold {
// No hope for a (better) match at greater error levels.
break
}
lastRd = rd
}
return bestLoc
}
// matchBitapScore computes and returns the score for a match with e errors and x location.
func (dmp *DiffMatchPatch) matchBitapScore(e, x, loc int, pattern string) float64 {
accuracy := float64(e) / float64(len(pattern))
proximity := math.Abs(float64(loc - x))
if dmp.MatchDistance == 0 {
// Dodge divide by zero error.
if proximity == 0 {
return accuracy
}
return 1.0
}
return accuracy + (proximity / float64(dmp.MatchDistance))
}
// MatchAlphabet initialises the alphabet for the Bitap algorithm.
func (dmp *DiffMatchPatch) MatchAlphabet(pattern string) map[byte]int {
s := map[byte]int{}
charPattern := []byte(pattern)
for _, c := range charPattern {
_, ok := s[c]
if !ok {
s[c] = 0
}
}
i := 0
for _, c := range charPattern {
value := s[c] | int(uint(1)<<uint((len(pattern)-i-1)))
s[c] = value
i++
}
return s
}

23
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch/mathutil.go generated vendored Normal file
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@@ -0,0 +1,23 @@
// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
// https://github.com/sergi/go-diff
// See the included LICENSE file for license details.
//
// go-diff is a Go implementation of Google's Diff, Match, and Patch library
// Original library is Copyright (c) 2006 Google Inc.
// http://code.google.com/p/google-diff-match-patch/
package diffmatchpatch
func min(x, y int) int {
if x < y {
return x
}
return y
}
func max(x, y int) int {
if x > y {
return x
}
return y
}

17
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch/operation_string.go generated vendored Normal file
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@@ -0,0 +1,17 @@
// Code generated by "stringer -type=Operation -trimprefix=Diff"; DO NOT EDIT.
package diffmatchpatch
import "fmt"
const _Operation_name = "DeleteEqualInsert"
var _Operation_index = [...]uint8{0, 6, 11, 17}
func (i Operation) String() string {
i -= -1
if i < 0 || i >= Operation(len(_Operation_index)-1) {
return fmt.Sprintf("Operation(%d)", i+-1)
}
return _Operation_name[_Operation_index[i]:_Operation_index[i+1]]
}

556
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch/patch.go generated vendored Normal file
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@@ -0,0 +1,556 @@
// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
// https://github.com/sergi/go-diff
// See the included LICENSE file for license details.
//
// go-diff is a Go implementation of Google's Diff, Match, and Patch library
// Original library is Copyright (c) 2006 Google Inc.
// http://code.google.com/p/google-diff-match-patch/
package diffmatchpatch
import (
"bytes"
"errors"
"math"
"net/url"
"regexp"
"strconv"
"strings"
)
// Patch represents one patch operation.
type Patch struct {
diffs []Diff
Start1 int
Start2 int
Length1 int
Length2 int
}
// String emulates GNU diff's format.
// Header: @@ -382,8 +481,9 @@
// Indices are printed as 1-based, not 0-based.
func (p *Patch) String() string {
var coords1, coords2 string
if p.Length1 == 0 {
coords1 = strconv.Itoa(p.Start1) + ",0"
} else if p.Length1 == 1 {
coords1 = strconv.Itoa(p.Start1 + 1)
} else {
coords1 = strconv.Itoa(p.Start1+1) + "," + strconv.Itoa(p.Length1)
}
if p.Length2 == 0 {
coords2 = strconv.Itoa(p.Start2) + ",0"
} else if p.Length2 == 1 {
coords2 = strconv.Itoa(p.Start2 + 1)
} else {
coords2 = strconv.Itoa(p.Start2+1) + "," + strconv.Itoa(p.Length2)
}
var text bytes.Buffer
_, _ = text.WriteString("@@ -" + coords1 + " +" + coords2 + " @@\n")
// Escape the body of the patch with %xx notation.
for _, aDiff := range p.diffs {
switch aDiff.Type {
case DiffInsert:
_, _ = text.WriteString("+")
case DiffDelete:
_, _ = text.WriteString("-")
case DiffEqual:
_, _ = text.WriteString(" ")
}
_, _ = text.WriteString(strings.Replace(url.QueryEscape(aDiff.Text), "+", " ", -1))
_, _ = text.WriteString("\n")
}
return unescaper.Replace(text.String())
}
// PatchAddContext increases the context until it is unique, but doesn't let the pattern expand beyond MatchMaxBits.
func (dmp *DiffMatchPatch) PatchAddContext(patch Patch, text string) Patch {
if len(text) == 0 {
return patch
}
pattern := text[patch.Start2 : patch.Start2+patch.Length1]
padding := 0
// Look for the first and last matches of pattern in text. If two different matches are found, increase the pattern length.
for strings.Index(text, pattern) != strings.LastIndex(text, pattern) &&
len(pattern) < dmp.MatchMaxBits-2*dmp.PatchMargin {
padding += dmp.PatchMargin
maxStart := max(0, patch.Start2-padding)
minEnd := min(len(text), patch.Start2+patch.Length1+padding)
pattern = text[maxStart:minEnd]
}
// Add one chunk for good luck.
padding += dmp.PatchMargin
// Add the prefix.
prefix := text[max(0, patch.Start2-padding):patch.Start2]
if len(prefix) != 0 {
patch.diffs = append([]Diff{Diff{DiffEqual, prefix}}, patch.diffs...)
}
// Add the suffix.
suffix := text[patch.Start2+patch.Length1 : min(len(text), patch.Start2+patch.Length1+padding)]
if len(suffix) != 0 {
patch.diffs = append(patch.diffs, Diff{DiffEqual, suffix})
}
// Roll back the start points.
patch.Start1 -= len(prefix)
patch.Start2 -= len(prefix)
// Extend the lengths.
patch.Length1 += len(prefix) + len(suffix)
patch.Length2 += len(prefix) + len(suffix)
return patch
}
// PatchMake computes a list of patches.
func (dmp *DiffMatchPatch) PatchMake(opt ...interface{}) []Patch {
if len(opt) == 1 {
diffs, _ := opt[0].([]Diff)
text1 := dmp.DiffText1(diffs)
return dmp.PatchMake(text1, diffs)
} else if len(opt) == 2 {
text1 := opt[0].(string)
switch t := opt[1].(type) {
case string:
diffs := dmp.DiffMain(text1, t, true)
if len(diffs) > 2 {
diffs = dmp.DiffCleanupSemantic(diffs)
diffs = dmp.DiffCleanupEfficiency(diffs)
}
return dmp.PatchMake(text1, diffs)
case []Diff:
return dmp.patchMake2(text1, t)
}
} else if len(opt) == 3 {
return dmp.PatchMake(opt[0], opt[2])
}
return []Patch{}
}
// patchMake2 computes a list of patches to turn text1 into text2.
// text2 is not provided, diffs are the delta between text1 and text2.
func (dmp *DiffMatchPatch) patchMake2(text1 string, diffs []Diff) []Patch {
// Check for null inputs not needed since null can't be passed in C#.
patches := []Patch{}
if len(diffs) == 0 {
return patches // Get rid of the null case.
}
patch := Patch{}
charCount1 := 0 // Number of characters into the text1 string.
charCount2 := 0 // Number of characters into the text2 string.
// Start with text1 (prepatchText) and apply the diffs until we arrive at text2 (postpatchText). We recreate the patches one by one to determine context info.
prepatchText := text1
postpatchText := text1
for i, aDiff := range diffs {
if len(patch.diffs) == 0 && aDiff.Type != DiffEqual {
// A new patch starts here.
patch.Start1 = charCount1
patch.Start2 = charCount2
}
switch aDiff.Type {
case DiffInsert:
patch.diffs = append(patch.diffs, aDiff)
patch.Length2 += len(aDiff.Text)
postpatchText = postpatchText[:charCount2] +
aDiff.Text + postpatchText[charCount2:]
case DiffDelete:
patch.Length1 += len(aDiff.Text)
patch.diffs = append(patch.diffs, aDiff)
postpatchText = postpatchText[:charCount2] + postpatchText[charCount2+len(aDiff.Text):]
case DiffEqual:
if len(aDiff.Text) <= 2*dmp.PatchMargin &&
len(patch.diffs) != 0 && i != len(diffs)-1 {
// Small equality inside a patch.
patch.diffs = append(patch.diffs, aDiff)
patch.Length1 += len(aDiff.Text)
patch.Length2 += len(aDiff.Text)
}
if len(aDiff.Text) >= 2*dmp.PatchMargin {
// Time for a new patch.
if len(patch.diffs) != 0 {
patch = dmp.PatchAddContext(patch, prepatchText)
patches = append(patches, patch)
patch = Patch{}
// Unlike Unidiff, our patch lists have a rolling context. http://code.google.com/p/google-diff-match-patch/wiki/Unidiff Update prepatch text & pos to reflect the application of the just completed patch.
prepatchText = postpatchText
charCount1 = charCount2
}
}
}
// Update the current character count.
if aDiff.Type != DiffInsert {
charCount1 += len(aDiff.Text)
}
if aDiff.Type != DiffDelete {
charCount2 += len(aDiff.Text)
}
}
// Pick up the leftover patch if not empty.
if len(patch.diffs) != 0 {
patch = dmp.PatchAddContext(patch, prepatchText)
patches = append(patches, patch)
}
return patches
}
// PatchDeepCopy returns an array that is identical to a given an array of patches.
func (dmp *DiffMatchPatch) PatchDeepCopy(patches []Patch) []Patch {
patchesCopy := []Patch{}
for _, aPatch := range patches {
patchCopy := Patch{}
for _, aDiff := range aPatch.diffs {
patchCopy.diffs = append(patchCopy.diffs, Diff{
aDiff.Type,
aDiff.Text,
})
}
patchCopy.Start1 = aPatch.Start1
patchCopy.Start2 = aPatch.Start2
patchCopy.Length1 = aPatch.Length1
patchCopy.Length2 = aPatch.Length2
patchesCopy = append(patchesCopy, patchCopy)
}
return patchesCopy
}
// PatchApply merges a set of patches onto the text. Returns a patched text, as well as an array of true/false values indicating which patches were applied.
func (dmp *DiffMatchPatch) PatchApply(patches []Patch, text string) (string, []bool) {
if len(patches) == 0 {
return text, []bool{}
}
// Deep copy the patches so that no changes are made to originals.
patches = dmp.PatchDeepCopy(patches)
nullPadding := dmp.PatchAddPadding(patches)
text = nullPadding + text + nullPadding
patches = dmp.PatchSplitMax(patches)
x := 0
// delta keeps track of the offset between the expected and actual location of the previous patch. If there are patches expected at positions 10 and 20, but the first patch was found at 12, delta is 2 and the second patch has an effective expected position of 22.
delta := 0
results := make([]bool, len(patches))
for _, aPatch := range patches {
expectedLoc := aPatch.Start2 + delta
text1 := dmp.DiffText1(aPatch.diffs)
var startLoc int
endLoc := -1
if len(text1) > dmp.MatchMaxBits {
// PatchSplitMax will only provide an oversized pattern in the case of a monster delete.
startLoc = dmp.MatchMain(text, text1[:dmp.MatchMaxBits], expectedLoc)
if startLoc != -1 {
endLoc = dmp.MatchMain(text,
text1[len(text1)-dmp.MatchMaxBits:], expectedLoc+len(text1)-dmp.MatchMaxBits)
if endLoc == -1 || startLoc >= endLoc {
// Can't find valid trailing context. Drop this patch.
startLoc = -1
}
}
} else {
startLoc = dmp.MatchMain(text, text1, expectedLoc)
}
if startLoc == -1 {
// No match found. :(
results[x] = false
// Subtract the delta for this failed patch from subsequent patches.
delta -= aPatch.Length2 - aPatch.Length1
} else {
// Found a match. :)
results[x] = true
delta = startLoc - expectedLoc
var text2 string
if endLoc == -1 {
text2 = text[startLoc:int(math.Min(float64(startLoc+len(text1)), float64(len(text))))]
} else {
text2 = text[startLoc:int(math.Min(float64(endLoc+dmp.MatchMaxBits), float64(len(text))))]
}
if text1 == text2 {
// Perfect match, just shove the Replacement text in.
text = text[:startLoc] + dmp.DiffText2(aPatch.diffs) + text[startLoc+len(text1):]
} else {
// Imperfect match. Run a diff to get a framework of equivalent indices.
diffs := dmp.DiffMain(text1, text2, false)
if len(text1) > dmp.MatchMaxBits && float64(dmp.DiffLevenshtein(diffs))/float64(len(text1)) > dmp.PatchDeleteThreshold {
// The end points match, but the content is unacceptably bad.
results[x] = false
} else {
diffs = dmp.DiffCleanupSemanticLossless(diffs)
index1 := 0
for _, aDiff := range aPatch.diffs {
if aDiff.Type != DiffEqual {
index2 := dmp.DiffXIndex(diffs, index1)
if aDiff.Type == DiffInsert {
// Insertion
text = text[:startLoc+index2] + aDiff.Text + text[startLoc+index2:]
} else if aDiff.Type == DiffDelete {
// Deletion
startIndex := startLoc + index2
text = text[:startIndex] +
text[startIndex+dmp.DiffXIndex(diffs, index1+len(aDiff.Text))-index2:]
}
}
if aDiff.Type != DiffDelete {
index1 += len(aDiff.Text)
}
}
}
}
}
x++
}
// Strip the padding off.
text = text[len(nullPadding) : len(nullPadding)+(len(text)-2*len(nullPadding))]
return text, results
}
// PatchAddPadding adds some padding on text start and end so that edges can match something.
// Intended to be called only from within patchApply.
func (dmp *DiffMatchPatch) PatchAddPadding(patches []Patch) string {
paddingLength := dmp.PatchMargin
nullPadding := ""
for x := 1; x <= paddingLength; x++ {
nullPadding += string(x)
}
// Bump all the patches forward.
for i := range patches {
patches[i].Start1 += paddingLength
patches[i].Start2 += paddingLength
}
// Add some padding on start of first diff.
if len(patches[0].diffs) == 0 || patches[0].diffs[0].Type != DiffEqual {
// Add nullPadding equality.
patches[0].diffs = append([]Diff{Diff{DiffEqual, nullPadding}}, patches[0].diffs...)
patches[0].Start1 -= paddingLength // Should be 0.
patches[0].Start2 -= paddingLength // Should be 0.
patches[0].Length1 += paddingLength
patches[0].Length2 += paddingLength
} else if paddingLength > len(patches[0].diffs[0].Text) {
// Grow first equality.
extraLength := paddingLength - len(patches[0].diffs[0].Text)
patches[0].diffs[0].Text = nullPadding[len(patches[0].diffs[0].Text):] + patches[0].diffs[0].Text
patches[0].Start1 -= extraLength
patches[0].Start2 -= extraLength
patches[0].Length1 += extraLength
patches[0].Length2 += extraLength
}
// Add some padding on end of last diff.
last := len(patches) - 1
if len(patches[last].diffs) == 0 || patches[last].diffs[len(patches[last].diffs)-1].Type != DiffEqual {
// Add nullPadding equality.
patches[last].diffs = append(patches[last].diffs, Diff{DiffEqual, nullPadding})
patches[last].Length1 += paddingLength
patches[last].Length2 += paddingLength
} else if paddingLength > len(patches[last].diffs[len(patches[last].diffs)-1].Text) {
// Grow last equality.
lastDiff := patches[last].diffs[len(patches[last].diffs)-1]
extraLength := paddingLength - len(lastDiff.Text)
patches[last].diffs[len(patches[last].diffs)-1].Text += nullPadding[:extraLength]
patches[last].Length1 += extraLength
patches[last].Length2 += extraLength
}
return nullPadding
}
// PatchSplitMax looks through the patches and breaks up any which are longer than the maximum limit of the match algorithm.
// Intended to be called only from within patchApply.
func (dmp *DiffMatchPatch) PatchSplitMax(patches []Patch) []Patch {
patchSize := dmp.MatchMaxBits
for x := 0; x < len(patches); x++ {
if patches[x].Length1 <= patchSize {
continue
}
bigpatch := patches[x]
// Remove the big old patch.
patches = append(patches[:x], patches[x+1:]...)
x--
Start1 := bigpatch.Start1
Start2 := bigpatch.Start2
precontext := ""
for len(bigpatch.diffs) != 0 {
// Create one of several smaller patches.
patch := Patch{}
empty := true
patch.Start1 = Start1 - len(precontext)
patch.Start2 = Start2 - len(precontext)
if len(precontext) != 0 {
patch.Length1 = len(precontext)
patch.Length2 = len(precontext)
patch.diffs = append(patch.diffs, Diff{DiffEqual, precontext})
}
for len(bigpatch.diffs) != 0 && patch.Length1 < patchSize-dmp.PatchMargin {
diffType := bigpatch.diffs[0].Type
diffText := bigpatch.diffs[0].Text
if diffType == DiffInsert {
// Insertions are harmless.
patch.Length2 += len(diffText)
Start2 += len(diffText)
patch.diffs = append(patch.diffs, bigpatch.diffs[0])
bigpatch.diffs = bigpatch.diffs[1:]
empty = false
} else if diffType == DiffDelete && len(patch.diffs) == 1 && patch.diffs[0].Type == DiffEqual && len(diffText) > 2*patchSize {
// This is a large deletion. Let it pass in one chunk.
patch.Length1 += len(diffText)
Start1 += len(diffText)
empty = false
patch.diffs = append(patch.diffs, Diff{diffType, diffText})
bigpatch.diffs = bigpatch.diffs[1:]
} else {
// Deletion or equality. Only take as much as we can stomach.
diffText = diffText[:min(len(diffText), patchSize-patch.Length1-dmp.PatchMargin)]
patch.Length1 += len(diffText)
Start1 += len(diffText)
if diffType == DiffEqual {
patch.Length2 += len(diffText)
Start2 += len(diffText)
} else {
empty = false
}
patch.diffs = append(patch.diffs, Diff{diffType, diffText})
if diffText == bigpatch.diffs[0].Text {
bigpatch.diffs = bigpatch.diffs[1:]
} else {
bigpatch.diffs[0].Text =
bigpatch.diffs[0].Text[len(diffText):]
}
}
}
// Compute the head context for the next patch.
precontext = dmp.DiffText2(patch.diffs)
precontext = precontext[max(0, len(precontext)-dmp.PatchMargin):]
postcontext := ""
// Append the end context for this patch.
if len(dmp.DiffText1(bigpatch.diffs)) > dmp.PatchMargin {
postcontext = dmp.DiffText1(bigpatch.diffs)[:dmp.PatchMargin]
} else {
postcontext = dmp.DiffText1(bigpatch.diffs)
}
if len(postcontext) != 0 {
patch.Length1 += len(postcontext)
patch.Length2 += len(postcontext)
if len(patch.diffs) != 0 && patch.diffs[len(patch.diffs)-1].Type == DiffEqual {
patch.diffs[len(patch.diffs)-1].Text += postcontext
} else {
patch.diffs = append(patch.diffs, Diff{DiffEqual, postcontext})
}
}
if !empty {
x++
patches = append(patches[:x], append([]Patch{patch}, patches[x:]...)...)
}
}
}
return patches
}
// PatchToText takes a list of patches and returns a textual representation.
func (dmp *DiffMatchPatch) PatchToText(patches []Patch) string {
var text bytes.Buffer
for _, aPatch := range patches {
_, _ = text.WriteString(aPatch.String())
}
return text.String()
}
// PatchFromText parses a textual representation of patches and returns a List of Patch objects.
func (dmp *DiffMatchPatch) PatchFromText(textline string) ([]Patch, error) {
patches := []Patch{}
if len(textline) == 0 {
return patches, nil
}
text := strings.Split(textline, "\n")
textPointer := 0
patchHeader := regexp.MustCompile("^@@ -(\\d+),?(\\d*) \\+(\\d+),?(\\d*) @@$")
var patch Patch
var sign uint8
var line string
for textPointer < len(text) {
if !patchHeader.MatchString(text[textPointer]) {
return patches, errors.New("Invalid patch string: " + text[textPointer])
}
patch = Patch{}
m := patchHeader.FindStringSubmatch(text[textPointer])
patch.Start1, _ = strconv.Atoi(m[1])
if len(m[2]) == 0 {
patch.Start1--
patch.Length1 = 1
} else if m[2] == "0" {
patch.Length1 = 0
} else {
patch.Start1--
patch.Length1, _ = strconv.Atoi(m[2])
}
patch.Start2, _ = strconv.Atoi(m[3])
if len(m[4]) == 0 {
patch.Start2--
patch.Length2 = 1
} else if m[4] == "0" {
patch.Length2 = 0
} else {
patch.Start2--
patch.Length2, _ = strconv.Atoi(m[4])
}
textPointer++
for textPointer < len(text) {
if len(text[textPointer]) > 0 {
sign = text[textPointer][0]
} else {
textPointer++
continue
}
line = text[textPointer][1:]
line = strings.Replace(line, "+", "%2b", -1)
line, _ = url.QueryUnescape(line)
if sign == '-' {
// Deletion.
patch.diffs = append(patch.diffs, Diff{DiffDelete, line})
} else if sign == '+' {
// Insertion.
patch.diffs = append(patch.diffs, Diff{DiffInsert, line})
} else if sign == ' ' {
// Minor equality.
patch.diffs = append(patch.diffs, Diff{DiffEqual, line})
} else if sign == '@' {
// Start of next patch.
break
} else {
// WTF?
return patches, errors.New("Invalid patch mode '" + string(sign) + "' in: " + string(line))
}
textPointer++
}
patches = append(patches, patch)
}
return patches, nil
}

88
backend/vendor/github.com/smartystreets/assertions/internal/go-diff/diffmatchpatch/stringutil.go generated vendored Normal file
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@@ -0,0 +1,88 @@
// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
// https://github.com/sergi/go-diff
// See the included LICENSE file for license details.
//
// go-diff is a Go implementation of Google's Diff, Match, and Patch library
// Original library is Copyright (c) 2006 Google Inc.
// http://code.google.com/p/google-diff-match-patch/
package diffmatchpatch
import (
"strings"
"unicode/utf8"
)
// unescaper unescapes selected chars for compatibility with JavaScript's encodeURI.
// In speed critical applications this could be dropped since the receiving application will certainly decode these fine. Note that this function is case-sensitive. Thus "%3F" would not be unescaped. But this is ok because it is only called with the output of HttpUtility.UrlEncode which returns lowercase hex. Example: "%3f" -> "?", "%24" -> "$", etc.
var unescaper = strings.NewReplacer(
"%21", "!", "%7E", "~", "%27", "'",
"%28", "(", "%29", ")", "%3B", ";",
"%2F", "/", "%3F", "?", "%3A", ":",
"%40", "@", "%26", "&", "%3D", "=",
"%2B", "+", "%24", "$", "%2C", ",", "%23", "#", "%2A", "*")
// indexOf returns the first index of pattern in str, starting at str[i].
func indexOf(str string, pattern string, i int) int {
if i > len(str)-1 {
return -1
}
if i <= 0 {
return strings.Index(str, pattern)
}
ind := strings.Index(str[i:], pattern)
if ind == -1 {
return -1
}
return ind + i
}
// lastIndexOf returns the last index of pattern in str, starting at str[i].
func lastIndexOf(str string, pattern string, i int) int {
if i < 0 {
return -1
}
if i >= len(str) {
return strings.LastIndex(str, pattern)
}
_, size := utf8.DecodeRuneInString(str[i:])
return strings.LastIndex(str[:i+size], pattern)
}
// runesIndexOf returns the index of pattern in target, starting at target[i].
func runesIndexOf(target, pattern []rune, i int) int {
if i > len(target)-1 {
return -1
}
if i <= 0 {
return runesIndex(target, pattern)
}
ind := runesIndex(target[i:], pattern)
if ind == -1 {
return -1
}
return ind + i
}
func runesEqual(r1, r2 []rune) bool {
if len(r1) != len(r2) {
return false
}
for i, c := range r1 {
if c != r2[i] {
return false
}
}
return true
}
// runesIndex is the equivalent of strings.Index for rune slices.
func runesIndex(r1, r2 []rune) int {
last := len(r1) - len(r2)
for i := 0; i <= last; i++ {
if runesEqual(r1[i:i+len(r2)], r2) {
return i
}
}
return -1
}

27
backend/vendor/github.com/smartystreets/assertions/internal/go-render/LICENSE generated vendored Normal file
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@@ -0,0 +1,27 @@
// Copyright (c) 2015 The Chromium Authors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

481
backend/vendor/github.com/smartystreets/assertions/internal/go-render/render/render.go generated vendored Normal file
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@@ -0,0 +1,481 @@
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package render
import (
"bytes"
"fmt"
"reflect"
"sort"
"strconv"
)
var builtinTypeMap = map[reflect.Kind]string{
reflect.Bool: "bool",
reflect.Complex128: "complex128",
reflect.Complex64: "complex64",
reflect.Float32: "float32",
reflect.Float64: "float64",
reflect.Int16: "int16",
reflect.Int32: "int32",
reflect.Int64: "int64",
reflect.Int8: "int8",
reflect.Int: "int",
reflect.String: "string",
reflect.Uint16: "uint16",
reflect.Uint32: "uint32",
reflect.Uint64: "uint64",
reflect.Uint8: "uint8",
reflect.Uint: "uint",
reflect.Uintptr: "uintptr",
}
var builtinTypeSet = map[string]struct{}{}
func init() {
for _, v := range builtinTypeMap {
builtinTypeSet[v] = struct{}{}
}
}
var typeOfString = reflect.TypeOf("")
var typeOfInt = reflect.TypeOf(int(1))
var typeOfUint = reflect.TypeOf(uint(1))
var typeOfFloat = reflect.TypeOf(10.1)
// Render converts a structure to a string representation. Unline the "%#v"
// format string, this resolves pointer types' contents in structs, maps, and
// slices/arrays and prints their field values.
func Render(v interface{}) string {
buf := bytes.Buffer{}
s := (*traverseState)(nil)
s.render(&buf, 0, reflect.ValueOf(v), false)
return buf.String()
}
// renderPointer is called to render a pointer value.
//
// This is overridable so that the test suite can have deterministic pointer
// values in its expectations.
var renderPointer = func(buf *bytes.Buffer, p uintptr) {
fmt.Fprintf(buf, "0x%016x", p)
}
// traverseState is used to note and avoid recursion as struct members are being
// traversed.
//
// traverseState is allowed to be nil. Specifically, the root state is nil.
type traverseState struct {
parent *traverseState
ptr uintptr
}
func (s *traverseState) forkFor(ptr uintptr) *traverseState {
for cur := s; cur != nil; cur = cur.parent {
if ptr == cur.ptr {
return nil
}
}
fs := &traverseState{
parent: s,
ptr: ptr,
}
return fs
}
func (s *traverseState) render(buf *bytes.Buffer, ptrs int, v reflect.Value, implicit bool) {
if v.Kind() == reflect.Invalid {
buf.WriteString("nil")
return
}
vt := v.Type()
// If the type being rendered is a potentially recursive type (a type that
// can contain itself as a member), we need to avoid recursion.
//
// If we've already seen this type before, mark that this is the case and
// write a recursion placeholder instead of actually rendering it.
//
// If we haven't seen it before, fork our `seen` tracking so any higher-up
// renderers will also render it at least once, then mark that we've seen it
// to avoid recursing on lower layers.
pe := uintptr(0)
vk := vt.Kind()
switch vk {
case reflect.Ptr:
// Since structs and arrays aren't pointers, they can't directly be
// recursed, but they can contain pointers to themselves. Record their
// pointer to avoid this.
switch v.Elem().Kind() {
case reflect.Struct, reflect.Array:
pe = v.Pointer()
}
case reflect.Slice, reflect.Map:
pe = v.Pointer()
}
if pe != 0 {
s = s.forkFor(pe)
if s == nil {
buf.WriteString("<REC(")
if !implicit {
writeType(buf, ptrs, vt)
}
buf.WriteString(")>")
return
}
}
isAnon := func(t reflect.Type) bool {
if t.Name() != "" {
if _, ok := builtinTypeSet[t.Name()]; !ok {
return false
}
}
return t.Kind() != reflect.Interface
}
switch vk {
case reflect.Struct:
if !implicit {
writeType(buf, ptrs, vt)
}
buf.WriteRune('{')
if rendered, ok := renderTime(v); ok {
buf.WriteString(rendered)
} else {
structAnon := vt.Name() == ""
for i := 0; i < vt.NumField(); i++ {
if i > 0 {
buf.WriteString(", ")
}
anon := structAnon && isAnon(vt.Field(i).Type)
if !anon {
buf.WriteString(vt.Field(i).Name)
buf.WriteRune(':')
}
s.render(buf, 0, v.Field(i), anon)
}
}
buf.WriteRune('}')
case reflect.Slice:
if v.IsNil() {
if !implicit {
writeType(buf, ptrs, vt)
buf.WriteString("(nil)")
} else {
buf.WriteString("nil")
}
return
}
fallthrough
case reflect.Array:
if !implicit {
writeType(buf, ptrs, vt)
}
anon := vt.Name() == "" && isAnon(vt.Elem())
buf.WriteString("{")
for i := 0; i < v.Len(); i++ {
if i > 0 {
buf.WriteString(", ")
}
s.render(buf, 0, v.Index(i), anon)
}
buf.WriteRune('}')
case reflect.Map:
if !implicit {
writeType(buf, ptrs, vt)
}
if v.IsNil() {
buf.WriteString("(nil)")
} else {
buf.WriteString("{")
mkeys := v.MapKeys()
tryAndSortMapKeys(vt, mkeys)
kt := vt.Key()
keyAnon := typeOfString.ConvertibleTo(kt) || typeOfInt.ConvertibleTo(kt) || typeOfUint.ConvertibleTo(kt) || typeOfFloat.ConvertibleTo(kt)
valAnon := vt.Name() == "" && isAnon(vt.Elem())
for i, mk := range mkeys {
if i > 0 {
buf.WriteString(", ")
}
s.render(buf, 0, mk, keyAnon)
buf.WriteString(":")
s.render(buf, 0, v.MapIndex(mk), valAnon)
}
buf.WriteRune('}')
}
case reflect.Ptr:
ptrs++
fallthrough
case reflect.Interface:
if v.IsNil() {
writeType(buf, ptrs, v.Type())
buf.WriteString("(nil)")
} else {
s.render(buf, ptrs, v.Elem(), false)
}
case reflect.Chan, reflect.Func, reflect.UnsafePointer:
writeType(buf, ptrs, vt)
buf.WriteRune('(')
renderPointer(buf, v.Pointer())
buf.WriteRune(')')
default:
tstr := vt.String()
implicit = implicit || (ptrs == 0 && builtinTypeMap[vk] == tstr)
if !implicit {
writeType(buf, ptrs, vt)
buf.WriteRune('(')
}
switch vk {
case reflect.String:
fmt.Fprintf(buf, "%q", v.String())
case reflect.Bool:
fmt.Fprintf(buf, "%v", v.Bool())
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
fmt.Fprintf(buf, "%d", v.Int())
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
fmt.Fprintf(buf, "%d", v.Uint())
case reflect.Float32, reflect.Float64:
fmt.Fprintf(buf, "%g", v.Float())
case reflect.Complex64, reflect.Complex128:
fmt.Fprintf(buf, "%g", v.Complex())
}
if !implicit {
buf.WriteRune(')')
}
}
}
func writeType(buf *bytes.Buffer, ptrs int, t reflect.Type) {
parens := ptrs > 0
switch t.Kind() {
case reflect.Chan, reflect.Func, reflect.UnsafePointer:
parens = true
}
if parens {
buf.WriteRune('(')
for i := 0; i < ptrs; i++ {
buf.WriteRune('*')
}
}
switch t.Kind() {
case reflect.Ptr:
if ptrs == 0 {
// This pointer was referenced from within writeType (e.g., as part of
// rendering a list), and so hasn't had its pointer asterisk accounted
// for.
buf.WriteRune('*')
}
writeType(buf, 0, t.Elem())
case reflect.Interface:
if n := t.Name(); n != "" {
buf.WriteString(t.String())
} else {
buf.WriteString("interface{}")
}
case reflect.Array:
buf.WriteRune('[')
buf.WriteString(strconv.FormatInt(int64(t.Len()), 10))
buf.WriteRune(']')
writeType(buf, 0, t.Elem())
case reflect.Slice:
if t == reflect.SliceOf(t.Elem()) {
buf.WriteString("[]")
writeType(buf, 0, t.Elem())
} else {
// Custom slice type, use type name.
buf.WriteString(t.String())
}
case reflect.Map:
if t == reflect.MapOf(t.Key(), t.Elem()) {
buf.WriteString("map[")
writeType(buf, 0, t.Key())
buf.WriteRune(']')
writeType(buf, 0, t.Elem())
} else {
// Custom map type, use type name.
buf.WriteString(t.String())
}
default:
buf.WriteString(t.String())
}
if parens {
buf.WriteRune(')')
}
}
type cmpFn func(a, b reflect.Value) int
type sortableValueSlice struct {
cmp cmpFn
elements []reflect.Value
}
func (s sortableValueSlice) Len() int {
return len(s.elements)
}
func (s sortableValueSlice) Less(i, j int) bool {
return s.cmp(s.elements[i], s.elements[j]) < 0
}
func (s sortableValueSlice) Swap(i, j int) {
s.elements[i], s.elements[j] = s.elements[j], s.elements[i]
}
// cmpForType returns a cmpFn which sorts the data for some type t in the same
// order that a go-native map key is compared for equality.
func cmpForType(t reflect.Type) cmpFn {
switch t.Kind() {
case reflect.String:
return func(av, bv reflect.Value) int {
a, b := av.String(), bv.String()
if a < b {
return -1
} else if a > b {
return 1
}
return 0
}
case reflect.Bool:
return func(av, bv reflect.Value) int {
a, b := av.Bool(), bv.Bool()
if !a && b {
return -1
} else if a && !b {
return 1
}
return 0
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return func(av, bv reflect.Value) int {
a, b := av.Int(), bv.Int()
if a < b {
return -1
} else if a > b {
return 1
}
return 0
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,
reflect.Uint64, reflect.Uintptr, reflect.UnsafePointer:
return func(av, bv reflect.Value) int {
a, b := av.Uint(), bv.Uint()
if a < b {
return -1
} else if a > b {
return 1
}
return 0
}
case reflect.Float32, reflect.Float64:
return func(av, bv reflect.Value) int {
a, b := av.Float(), bv.Float()
if a < b {
return -1
} else if a > b {
return 1
}
return 0
}
case reflect.Interface:
return func(av, bv reflect.Value) int {
a, b := av.InterfaceData(), bv.InterfaceData()
if a[0] < b[0] {
return -1
} else if a[0] > b[0] {
return 1
}
if a[1] < b[1] {
return -1
} else if a[1] > b[1] {
return 1
}
return 0
}
case reflect.Complex64, reflect.Complex128:
return func(av, bv reflect.Value) int {
a, b := av.Complex(), bv.Complex()
if real(a) < real(b) {
return -1
} else if real(a) > real(b) {
return 1
}
if imag(a) < imag(b) {
return -1
} else if imag(a) > imag(b) {
return 1
}
return 0
}
case reflect.Ptr, reflect.Chan:
return func(av, bv reflect.Value) int {
a, b := av.Pointer(), bv.Pointer()
if a < b {
return -1
} else if a > b {
return 1
}
return 0
}
case reflect.Struct:
cmpLst := make([]cmpFn, t.NumField())
for i := range cmpLst {
cmpLst[i] = cmpForType(t.Field(i).Type)
}
return func(a, b reflect.Value) int {
for i, cmp := range cmpLst {
if rslt := cmp(a.Field(i), b.Field(i)); rslt != 0 {
return rslt
}
}
return 0
}
}
return nil
}
func tryAndSortMapKeys(mt reflect.Type, k []reflect.Value) {
if cmp := cmpForType(mt.Key()); cmp != nil {
sort.Sort(sortableValueSlice{cmp, k})
}
}

26
backend/vendor/github.com/smartystreets/assertions/internal/go-render/render/render_time.go generated vendored Normal file
View File

@@ -0,0 +1,26 @@
package render
import (
"reflect"
"time"
)
func renderTime(value reflect.Value) (string, bool) {
if instant, ok := convertTime(value); !ok {
return "", false
} else if instant.IsZero() {
return "0", true
} else {
return instant.String(), true
}
}
func convertTime(value reflect.Value) (t time.Time, ok bool) {
if value.Type() == timeType {
defer func() { recover() }()
t, ok = value.Interface().(time.Time)
}
return
}
var timeType = reflect.TypeOf(time.Time{})

5
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/.gitignore generated vendored Normal file
View File

@@ -0,0 +1,5 @@
*.6
6.out
_obj/
_test/
_testmain.go

4
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/.travis.yml generated vendored Normal file
View File

@@ -0,0 +1,4 @@
# Cf. http://docs.travis-ci.com/user/getting-started/
# Cf. http://docs.travis-ci.com/user/languages/go/
language: go

202
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/LICENSE generated vendored Normal file
View File

@@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
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"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
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"Contribution" shall mean any work of authorship, including
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to that Work or Derivative Works thereof, that is intentionally
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communication on electronic mailing lists, source code control systems,
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"Contributor" shall mean Licensor and any individual or Legal Entity
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2. Grant of Copyright License. Subject to the terms and conditions of
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5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
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Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
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on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

58
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/README.md generated vendored Normal file
View File

@@ -0,0 +1,58 @@
[![GoDoc](https://godoc.org/github.com/smartystreets/assertions/internal/oglematchers?status.svg)](https://godoc.org/github.com/smartystreets/assertions/internal/oglematchers)
`oglematchers` is a package for the Go programming language containing a set of
matchers, useful in a testing or mocking framework, inspired by and mostly
compatible with [Google Test][googletest] for C++ and
[Google JS Test][google-js-test]. The package is used by the
[ogletest][ogletest] testing framework and [oglemock][oglemock] mocking
framework, which may be more directly useful to you, but can be generically used
elsewhere as well.
A "matcher" is simply an object with a `Matches` method defining a set of golang
values matched by the matcher, and a `Description` method describing that set.
For example, here are some matchers:
```go
// Numbers
Equals(17.13)
LessThan(19)
// Strings
Equals("taco")
HasSubstr("burrito")
MatchesRegex("t.*o")
// Combining matchers
AnyOf(LessThan(17), GreaterThan(19))
```
There are lots more; see [here][reference] for a reference. You can also add
your own simply by implementing the `oglematchers.Matcher` interface.
Installation
------------
First, make sure you have installed Go 1.0.2 or newer. See
[here][golang-install] for instructions.
Use the following command to install `oglematchers` and keep it up to date:
go get -u github.com/smartystreets/assertions/internal/oglematchers
Documentation
-------------
See [here][reference] for documentation. Alternatively, you can install the
package and then use `godoc`:
godoc github.com/smartystreets/assertions/internal/oglematchers
[reference]: http://godoc.org/github.com/smartystreets/assertions/internal/oglematchers
[golang-install]: http://golang.org/doc/install.html
[googletest]: http://code.google.com/p/googletest/
[google-js-test]: http://code.google.com/p/google-js-test/
[ogletest]: http://github.com/smartystreets/assertions/internal/ogletest
[oglemock]: http://github.com/smartystreets/assertions/internal/oglemock

94
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/any_of.go generated vendored Normal file
View File

@@ -0,0 +1,94 @@
// Copyright 2011 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglematchers
import (
"errors"
"fmt"
"reflect"
"strings"
)
// AnyOf accepts a set of values S and returns a matcher that follows the
// algorithm below when considering a candidate c:
//
// 1. If there exists a value m in S such that m implements the Matcher
// interface and m matches c, return true.
//
// 2. Otherwise, if there exists a value v in S such that v does not implement
// the Matcher interface and the matcher Equals(v) matches c, return true.
//
// 3. Otherwise, if there is a value m in S such that m implements the Matcher
// interface and m returns a fatal error for c, return that fatal error.
//
// 4. Otherwise, return false.
//
// This is akin to a logical OR operation for matchers, with non-matchers x
// being treated as Equals(x).
func AnyOf(vals ...interface{}) Matcher {
// Get ahold of a type variable for the Matcher interface.
var dummy *Matcher
matcherType := reflect.TypeOf(dummy).Elem()
// Create a matcher for each value, or use the value itself if it's already a
// matcher.
wrapped := make([]Matcher, len(vals))
for i, v := range vals {
t := reflect.TypeOf(v)
if t != nil && t.Implements(matcherType) {
wrapped[i] = v.(Matcher)
} else {
wrapped[i] = Equals(v)
}
}
return &anyOfMatcher{wrapped}
}
type anyOfMatcher struct {
wrapped []Matcher
}
func (m *anyOfMatcher) Description() string {
wrappedDescs := make([]string, len(m.wrapped))
for i, matcher := range m.wrapped {
wrappedDescs[i] = matcher.Description()
}
return fmt.Sprintf("or(%s)", strings.Join(wrappedDescs, ", "))
}
func (m *anyOfMatcher) Matches(c interface{}) (err error) {
err = errors.New("")
// Try each matcher in turn.
for _, matcher := range m.wrapped {
wrappedErr := matcher.Matches(c)
// Return immediately if there's a match.
if wrappedErr == nil {
err = nil
return
}
// Note the fatal error, if any.
if _, isFatal := wrappedErr.(*FatalError); isFatal {
err = wrappedErr
}
}
return
}

61
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/contains.go generated vendored Normal file
View File

@@ -0,0 +1,61 @@
// Copyright 2012 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglematchers
import (
"fmt"
"reflect"
)
// Return a matcher that matches arrays slices with at least one element that
// matches the supplied argument. If the argument x is not itself a Matcher,
// this is equivalent to Contains(Equals(x)).
func Contains(x interface{}) Matcher {
var result containsMatcher
var ok bool
if result.elementMatcher, ok = x.(Matcher); !ok {
result.elementMatcher = DeepEquals(x)
}
return &result
}
type containsMatcher struct {
elementMatcher Matcher
}
func (m *containsMatcher) Description() string {
return fmt.Sprintf("contains: %s", m.elementMatcher.Description())
}
func (m *containsMatcher) Matches(candidate interface{}) error {
// The candidate must be a slice or an array.
v := reflect.ValueOf(candidate)
if v.Kind() != reflect.Slice && v.Kind() != reflect.Array {
return NewFatalError("which is not a slice or array")
}
// Check each element.
for i := 0; i < v.Len(); i++ {
elem := v.Index(i)
if matchErr := m.elementMatcher.Matches(elem.Interface()); matchErr == nil {
return nil
}
}
return fmt.Errorf("")
}

88
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/deep_equals.go generated vendored Normal file
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// Copyright 2012 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglematchers
import (
"bytes"
"errors"
"fmt"
"reflect"
)
var byteSliceType reflect.Type = reflect.TypeOf([]byte{})
// DeepEquals returns a matcher that matches based on 'deep equality', as
// defined by the reflect package. This matcher requires that values have
// identical types to x.
func DeepEquals(x interface{}) Matcher {
return &deepEqualsMatcher{x}
}
type deepEqualsMatcher struct {
x interface{}
}
func (m *deepEqualsMatcher) Description() string {
xDesc := fmt.Sprintf("%v", m.x)
xValue := reflect.ValueOf(m.x)
// Special case: fmt.Sprintf presents nil slices as "[]", but
// reflect.DeepEqual makes a distinction between nil and empty slices. Make
// this less confusing.
if xValue.Kind() == reflect.Slice && xValue.IsNil() {
xDesc = "<nil slice>"
}
return fmt.Sprintf("deep equals: %s", xDesc)
}
func (m *deepEqualsMatcher) Matches(c interface{}) error {
// Make sure the types match.
ct := reflect.TypeOf(c)
xt := reflect.TypeOf(m.x)
if ct != xt {
return NewFatalError(fmt.Sprintf("which is of type %v", ct))
}
// Special case: handle byte slices more efficiently.
cValue := reflect.ValueOf(c)
xValue := reflect.ValueOf(m.x)
if ct == byteSliceType && !cValue.IsNil() && !xValue.IsNil() {
xBytes := m.x.([]byte)
cBytes := c.([]byte)
if bytes.Equal(cBytes, xBytes) {
return nil
}
return errors.New("")
}
// Defer to the reflect package.
if reflect.DeepEqual(m.x, c) {
return nil
}
// Special case: if the comparison failed because c is the nil slice, given
// an indication of this (since its value is printed as "[]").
if cValue.Kind() == reflect.Slice && cValue.IsNil() {
return errors.New("which is nil")
}
return errors.New("")
}

541
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/equals.go generated vendored Normal file
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@@ -0,0 +1,541 @@
// Copyright 2011 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglematchers
import (
"errors"
"fmt"
"math"
"reflect"
)
// Equals(x) returns a matcher that matches values v such that v and x are
// equivalent. This includes the case when the comparison v == x using Go's
// built-in comparison operator is legal (except for structs, which this
// matcher does not support), but for convenience the following rules also
// apply:
//
// * Type checking is done based on underlying types rather than actual
// types, so that e.g. two aliases for string can be compared:
//
// type stringAlias1 string
// type stringAlias2 string
//
// a := "taco"
// b := stringAlias1("taco")
// c := stringAlias2("taco")
//
// ExpectTrue(a == b) // Legal, passes
// ExpectTrue(b == c) // Illegal, doesn't compile
//
// ExpectThat(a, Equals(b)) // Passes
// ExpectThat(b, Equals(c)) // Passes
//
// * Values of numeric type are treated as if they were abstract numbers, and
// compared accordingly. Therefore Equals(17) will match int(17),
// int16(17), uint(17), float32(17), complex64(17), and so on.
//
// If you want a stricter matcher that contains no such cleverness, see
// IdenticalTo instead.
//
// Arrays are supported by this matcher, but do not participate in the
// exceptions above. Two arrays compared with this matcher must have identical
// types, and their element type must itself be comparable according to Go's ==
// operator.
func Equals(x interface{}) Matcher {
v := reflect.ValueOf(x)
// This matcher doesn't support structs.
if v.Kind() == reflect.Struct {
panic(fmt.Sprintf("oglematchers.Equals: unsupported kind %v", v.Kind()))
}
// The == operator is not defined for non-nil slices.
if v.Kind() == reflect.Slice && v.Pointer() != uintptr(0) {
panic(fmt.Sprintf("oglematchers.Equals: non-nil slice"))
}
return &equalsMatcher{v}
}
type equalsMatcher struct {
expectedValue reflect.Value
}
////////////////////////////////////////////////////////////////////////
// Numeric types
////////////////////////////////////////////////////////////////////////
func isSignedInteger(v reflect.Value) bool {
k := v.Kind()
return k >= reflect.Int && k <= reflect.Int64
}
func isUnsignedInteger(v reflect.Value) bool {
k := v.Kind()
return k >= reflect.Uint && k <= reflect.Uintptr
}
func isInteger(v reflect.Value) bool {
return isSignedInteger(v) || isUnsignedInteger(v)
}
func isFloat(v reflect.Value) bool {
k := v.Kind()
return k == reflect.Float32 || k == reflect.Float64
}
func isComplex(v reflect.Value) bool {
k := v.Kind()
return k == reflect.Complex64 || k == reflect.Complex128
}
func checkAgainstInt64(e int64, c reflect.Value) (err error) {
err = errors.New("")
switch {
case isSignedInteger(c):
if c.Int() == e {
err = nil
}
case isUnsignedInteger(c):
u := c.Uint()
if u <= math.MaxInt64 && int64(u) == e {
err = nil
}
// Turn around the various floating point types so that the checkAgainst*
// functions for them can deal with precision issues.
case isFloat(c), isComplex(c):
return Equals(c.Interface()).Matches(e)
default:
err = NewFatalError("which is not numeric")
}
return
}
func checkAgainstUint64(e uint64, c reflect.Value) (err error) {
err = errors.New("")
switch {
case isSignedInteger(c):
i := c.Int()
if i >= 0 && uint64(i) == e {
err = nil
}
case isUnsignedInteger(c):
if c.Uint() == e {
err = nil
}
// Turn around the various floating point types so that the checkAgainst*
// functions for them can deal with precision issues.
case isFloat(c), isComplex(c):
return Equals(c.Interface()).Matches(e)
default:
err = NewFatalError("which is not numeric")
}
return
}
func checkAgainstFloat32(e float32, c reflect.Value) (err error) {
err = errors.New("")
switch {
case isSignedInteger(c):
if float32(c.Int()) == e {
err = nil
}
case isUnsignedInteger(c):
if float32(c.Uint()) == e {
err = nil
}
case isFloat(c):
// Compare using float32 to avoid a false sense of precision; otherwise
// e.g. Equals(float32(0.1)) won't match float32(0.1).
if float32(c.Float()) == e {
err = nil
}
case isComplex(c):
comp := c.Complex()
rl := real(comp)
im := imag(comp)
// Compare using float32 to avoid a false sense of precision; otherwise
// e.g. Equals(float32(0.1)) won't match (0.1 + 0i).
if im == 0 && float32(rl) == e {
err = nil
}
default:
err = NewFatalError("which is not numeric")
}
return
}
func checkAgainstFloat64(e float64, c reflect.Value) (err error) {
err = errors.New("")
ck := c.Kind()
switch {
case isSignedInteger(c):
if float64(c.Int()) == e {
err = nil
}
case isUnsignedInteger(c):
if float64(c.Uint()) == e {
err = nil
}
// If the actual value is lower precision, turn the comparison around so we
// apply the low-precision rules. Otherwise, e.g. Equals(0.1) may not match
// float32(0.1).
case ck == reflect.Float32 || ck == reflect.Complex64:
return Equals(c.Interface()).Matches(e)
// Otherwise, compare with double precision.
case isFloat(c):
if c.Float() == e {
err = nil
}
case isComplex(c):
comp := c.Complex()
rl := real(comp)
im := imag(comp)
if im == 0 && rl == e {
err = nil
}
default:
err = NewFatalError("which is not numeric")
}
return
}
func checkAgainstComplex64(e complex64, c reflect.Value) (err error) {
err = errors.New("")
realPart := real(e)
imaginaryPart := imag(e)
switch {
case isInteger(c) || isFloat(c):
// If we have no imaginary part, then we should just compare against the
// real part. Otherwise, we can't be equal.
if imaginaryPart != 0 {
return
}
return checkAgainstFloat32(realPart, c)
case isComplex(c):
// Compare using complex64 to avoid a false sense of precision; otherwise
// e.g. Equals(0.1 + 0i) won't match float32(0.1).
if complex64(c.Complex()) == e {
err = nil
}
default:
err = NewFatalError("which is not numeric")
}
return
}
func checkAgainstComplex128(e complex128, c reflect.Value) (err error) {
err = errors.New("")
realPart := real(e)
imaginaryPart := imag(e)
switch {
case isInteger(c) || isFloat(c):
// If we have no imaginary part, then we should just compare against the
// real part. Otherwise, we can't be equal.
if imaginaryPart != 0 {
return
}
return checkAgainstFloat64(realPart, c)
case isComplex(c):
if c.Complex() == e {
err = nil
}
default:
err = NewFatalError("which is not numeric")
}
return
}
////////////////////////////////////////////////////////////////////////
// Other types
////////////////////////////////////////////////////////////////////////
func checkAgainstBool(e bool, c reflect.Value) (err error) {
if c.Kind() != reflect.Bool {
err = NewFatalError("which is not a bool")
return
}
err = errors.New("")
if c.Bool() == e {
err = nil
}
return
}
func checkAgainstChan(e reflect.Value, c reflect.Value) (err error) {
// Create a description of e's type, e.g. "chan int".
typeStr := fmt.Sprintf("%s %s", e.Type().ChanDir(), e.Type().Elem())
// Make sure c is a chan of the correct type.
if c.Kind() != reflect.Chan ||
c.Type().ChanDir() != e.Type().ChanDir() ||
c.Type().Elem() != e.Type().Elem() {
err = NewFatalError(fmt.Sprintf("which is not a %s", typeStr))
return
}
err = errors.New("")
if c.Pointer() == e.Pointer() {
err = nil
}
return
}
func checkAgainstFunc(e reflect.Value, c reflect.Value) (err error) {
// Make sure c is a function.
if c.Kind() != reflect.Func {
err = NewFatalError("which is not a function")
return
}
err = errors.New("")
if c.Pointer() == e.Pointer() {
err = nil
}
return
}
func checkAgainstMap(e reflect.Value, c reflect.Value) (err error) {
// Make sure c is a map.
if c.Kind() != reflect.Map {
err = NewFatalError("which is not a map")
return
}
err = errors.New("")
if c.Pointer() == e.Pointer() {
err = nil
}
return
}
func checkAgainstPtr(e reflect.Value, c reflect.Value) (err error) {
// Create a description of e's type, e.g. "*int".
typeStr := fmt.Sprintf("*%v", e.Type().Elem())
// Make sure c is a pointer of the correct type.
if c.Kind() != reflect.Ptr ||
c.Type().Elem() != e.Type().Elem() {
err = NewFatalError(fmt.Sprintf("which is not a %s", typeStr))
return
}
err = errors.New("")
if c.Pointer() == e.Pointer() {
err = nil
}
return
}
func checkAgainstSlice(e reflect.Value, c reflect.Value) (err error) {
// Create a description of e's type, e.g. "[]int".
typeStr := fmt.Sprintf("[]%v", e.Type().Elem())
// Make sure c is a slice of the correct type.
if c.Kind() != reflect.Slice ||
c.Type().Elem() != e.Type().Elem() {
err = NewFatalError(fmt.Sprintf("which is not a %s", typeStr))
return
}
err = errors.New("")
if c.Pointer() == e.Pointer() {
err = nil
}
return
}
func checkAgainstString(e reflect.Value, c reflect.Value) (err error) {
// Make sure c is a string.
if c.Kind() != reflect.String {
err = NewFatalError("which is not a string")
return
}
err = errors.New("")
if c.String() == e.String() {
err = nil
}
return
}
func checkAgainstArray(e reflect.Value, c reflect.Value) (err error) {
// Create a description of e's type, e.g. "[2]int".
typeStr := fmt.Sprintf("%v", e.Type())
// Make sure c is the correct type.
if c.Type() != e.Type() {
err = NewFatalError(fmt.Sprintf("which is not %s", typeStr))
return
}
// Check for equality.
if e.Interface() != c.Interface() {
err = errors.New("")
return
}
return
}
func checkAgainstUnsafePointer(e reflect.Value, c reflect.Value) (err error) {
// Make sure c is a pointer.
if c.Kind() != reflect.UnsafePointer {
err = NewFatalError("which is not a unsafe.Pointer")
return
}
err = errors.New("")
if c.Pointer() == e.Pointer() {
err = nil
}
return
}
func checkForNil(c reflect.Value) (err error) {
err = errors.New("")
// Make sure it is legal to call IsNil.
switch c.Kind() {
case reflect.Invalid:
case reflect.Chan:
case reflect.Func:
case reflect.Interface:
case reflect.Map:
case reflect.Ptr:
case reflect.Slice:
default:
err = NewFatalError("which cannot be compared to nil")
return
}
// Ask whether the value is nil. Handle a nil literal (kind Invalid)
// specially, since it's not legal to call IsNil there.
if c.Kind() == reflect.Invalid || c.IsNil() {
err = nil
}
return
}
////////////////////////////////////////////////////////////////////////
// Public implementation
////////////////////////////////////////////////////////////////////////
func (m *equalsMatcher) Matches(candidate interface{}) error {
e := m.expectedValue
c := reflect.ValueOf(candidate)
ek := e.Kind()
switch {
case ek == reflect.Bool:
return checkAgainstBool(e.Bool(), c)
case isSignedInteger(e):
return checkAgainstInt64(e.Int(), c)
case isUnsignedInteger(e):
return checkAgainstUint64(e.Uint(), c)
case ek == reflect.Float32:
return checkAgainstFloat32(float32(e.Float()), c)
case ek == reflect.Float64:
return checkAgainstFloat64(e.Float(), c)
case ek == reflect.Complex64:
return checkAgainstComplex64(complex64(e.Complex()), c)
case ek == reflect.Complex128:
return checkAgainstComplex128(complex128(e.Complex()), c)
case ek == reflect.Chan:
return checkAgainstChan(e, c)
case ek == reflect.Func:
return checkAgainstFunc(e, c)
case ek == reflect.Map:
return checkAgainstMap(e, c)
case ek == reflect.Ptr:
return checkAgainstPtr(e, c)
case ek == reflect.Slice:
return checkAgainstSlice(e, c)
case ek == reflect.String:
return checkAgainstString(e, c)
case ek == reflect.Array:
return checkAgainstArray(e, c)
case ek == reflect.UnsafePointer:
return checkAgainstUnsafePointer(e, c)
case ek == reflect.Invalid:
return checkForNil(c)
}
panic(fmt.Sprintf("equalsMatcher.Matches: unexpected kind: %v", ek))
}
func (m *equalsMatcher) Description() string {
// Special case: handle nil.
if !m.expectedValue.IsValid() {
return "is nil"
}
return fmt.Sprintf("%v", m.expectedValue.Interface())
}

39
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/greater_or_equal.go generated vendored Normal file
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@@ -0,0 +1,39 @@
// Copyright 2011 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglematchers
import (
"fmt"
"reflect"
)
// GreaterOrEqual returns a matcher that matches integer, floating point, or
// strings values v such that v >= x. Comparison is not defined between numeric
// and string types, but is defined between all integer and floating point
// types.
//
// x must itself be an integer, floating point, or string type; otherwise,
// GreaterOrEqual will panic.
func GreaterOrEqual(x interface{}) Matcher {
desc := fmt.Sprintf("greater than or equal to %v", x)
// Special case: make it clear that strings are strings.
if reflect.TypeOf(x).Kind() == reflect.String {
desc = fmt.Sprintf("greater than or equal to \"%s\"", x)
}
return transformDescription(Not(LessThan(x)), desc)
}

39
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/greater_than.go generated vendored Normal file
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@@ -0,0 +1,39 @@
// Copyright 2011 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglematchers
import (
"fmt"
"reflect"
)
// GreaterThan returns a matcher that matches integer, floating point, or
// strings values v such that v > x. Comparison is not defined between numeric
// and string types, but is defined between all integer and floating point
// types.
//
// x must itself be an integer, floating point, or string type; otherwise,
// GreaterThan will panic.
func GreaterThan(x interface{}) Matcher {
desc := fmt.Sprintf("greater than %v", x)
// Special case: make it clear that strings are strings.
if reflect.TypeOf(x).Kind() == reflect.String {
desc = fmt.Sprintf("greater than \"%s\"", x)
}
return transformDescription(Not(LessOrEqual(x)), desc)
}

41
backend/vendor/github.com/smartystreets/assertions/internal/oglematchers/less_or_equal.go generated vendored Normal file
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@@ -0,0 +1,41 @@
// Copyright 2011 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglematchers
import (
"fmt"
"reflect"
)
// LessOrEqual returns a matcher that matches integer, floating point, or
// strings values v such that v <= x. Comparison is not defined between numeric
// and string types, but is defined between all integer and floating point
// types.
//
// x must itself be an integer, floating point, or string type; otherwise,
// LessOrEqual will panic.
func LessOrEqual(x interface{}) Matcher {
desc := fmt.Sprintf("less than or equal to %v", x)
// Special case: make it clear that strings are strings.
if reflect.TypeOf(x).Kind() == reflect.String {
desc = fmt.Sprintf("less than or equal to \"%s\"", x)
}
// Put LessThan last so that its error messages will be used in the event of
// failure.
return transformDescription(AnyOf(Equals(x), LessThan(x)), desc)
}

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