logrus/logger_test.go

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package logrus
import (
"bytes"
"encoding/json"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestFieldValueError(t *testing.T) {
buf := &bytes.Buffer{}
l := &Logger{
Out: buf,
Formatter: new(JSONFormatter),
Hooks: make(LevelHooks),
Level: DebugLevel,
}
l.WithField("func", func() {}).Info("test")
fmt.Println(buf.String())
var data map[string]interface{}
if err := json.Unmarshal(buf.Bytes(), &data); err != nil {
t.Error("unexpected error", err)
}
_, ok := data[FieldKeyLogrusError]
require.True(t, ok)
}
func TestNoFieldValueError(t *testing.T) {
buf := &bytes.Buffer{}
l := &Logger{
Out: buf,
Formatter: new(JSONFormatter),
Hooks: make(LevelHooks),
Level: DebugLevel,
}
l.WithField("str", "str").Info("test")
fmt.Println(buf.String())
var data map[string]interface{}
if err := json.Unmarshal(buf.Bytes(), &data); err != nil {
t.Error("unexpected error", err)
}
_, ok := data[FieldKeyLogrusError]
require.False(t, ok)
}
func TestWarninglnNotEqualToWarning(t *testing.T) {
buf := &bytes.Buffer{}
bufln := &bytes.Buffer{}
formatter := new(TextFormatter)
formatter.DisableTimestamp = true
formatter.DisableLevelTruncation = true
l := &Logger{
Out: buf,
Formatter: formatter,
Hooks: make(LevelHooks),
Level: DebugLevel,
}
l.Warning("hello,", "world")
l.SetOutput(bufln)
l.Warningln("hello,", "world")
assert.NotEqual(t, buf.String(), bufln.String(), "Warning() and Wantingln() should not be equal")
}