add unit test for GetLocalLog

backend/services/log_test.go

@@ -2,9 +2,11 @@ package services
 
 import (
 	"crawlab/config"
+	"fmt"
 	"github.com/apex/log"
 	. "github.com/smartystreets/goconvey/convey"
 	"github.com/spf13/viper"
+	"os"
 	"testing"
 )
 
@@ -20,3 +22,29 @@ func TestDeleteLogPeriodically(t *testing.T) {
 		DeleteLogPeriodically()
 	})
 }
+
+func TestGetLocalLog(t *testing.T) {
+	//create a log file for test
+	logPath := "../logs/crawlab/test.log"
+	f, err := os.Create(logPath)
+	defer f.Close()
+	if err != nil {
+		fmt.Println(err.Error())
+
+	} else {
+		_, err = f.Write([]byte("This is for test"))
+	}
+
+	Convey("Test GetLocalLog", t, func() {
+		Convey("Test response", func() {
+			logStr, err := GetLocalLog(logPath)
+			log.Info(string(logStr))
+			fmt.Println(err)
+			So(err, ShouldEqual, nil)
+
+		})
+	})
+	//delete the test log file
+	os.Remove(logPath)
+
+}