slack/logger_test.go at master · adeebahmed/slack

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package slack

import (

"bytes"

"log"

"testing"

"github.com/stretchr/testify/assert"

)

func TestLogging(t *testing.T) {

buf := bytes.NewBufferString("")

logger := internalLog{logger: log.New(buf, "", 0|log.Lshortfile)}

logger.Println("test line 123")

assert.Equal(t, buf.String(), "logger_test.go:14: test line 123\n")

buf.Truncate(0)

logger.Print("test line 123")

assert.Equal(t, buf.String(), "logger_test.go:17: test line 123\n")

buf.Truncate(0)

logger.Printf("test line 123\n")

assert.Equal(t, buf.String(), "logger_test.go:20: test line 123\n")

buf.Truncate(0)

logger.Output(1, "test line 123\n")

assert.Equal(t, buf.String(), "logger_test.go:23: test line 123\n")

buf.Truncate(0)

}