/
logger_test.go
264 lines (184 loc) · 5.19 KB
/
logger_test.go
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package log
import (
"bytes"
"encoding/json"
"errors"
"os"
"os/exec"
"testing"
"time"
"github.com/Sirupsen/logrus"
"github.com/stretchr/testify/assert"
)
const fatalEnvKey = "TEST_FATAL"
var dummy = &bytes.Buffer{}
func TestMain(m *testing.M) {
logger.Out = dummy
logger.Level = logrus.DebugLevel
logger.Formatter = &logrus.JSONFormatter{}
if v := os.Getenv(fatalEnvKey); v != "" {
Fatal("fatal test message", errors.New("dummy"))
}
os.Exit(m.Run())
}
func TestAddMetadata(t *testing.T) {
dummy.Reset()
k, v := "hoge", "fuga"
AddMetadata(logrus.Fields{k: v})
Info("test")
time.Sleep(time.Millisecond)
m := map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, v, m[k])
}
func TestSetLogger(t *testing.T) {
tmp := logger
assert.Equal(t, logrus.DebugLevel, logger.Level)
SetLogger(&logrus.Logger{Level: logrus.InfoLevel})
assert.Equal(t, logrus.InfoLevel, logger.Level)
SetLogger(tmp)
assert.Equal(t, logrus.DebugLevel, logger.Level)
}
func TestAddHooks(t *testing.T) {
AddHooks()
assert.Empty(t, logger.Hooks)
h := &TestHook{}
AddHooks(h)
assert.Equal(t, len(h.Levels()), len(logger.Hooks))
}
func TestDebug(t *testing.T) {
// only message
dummy.Reset()
msg := "debug test message"
Debug(msg)
time.Sleep(time.Millisecond)
m := map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.DebugLevel.String(), m["level"])
assert.Nil(t, m["id"])
// with fields
dummy.Reset()
id := "vytxeTZskVKR7C7WgdSP3d"
Debug(msg, logrus.Fields{"id": id})
time.Sleep(time.Millisecond)
m = map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.DebugLevel.String(), m["level"])
assert.Equal(t, id, m["id"])
}
func TestInfo(t *testing.T) {
// only message
dummy.Reset()
msg := "info test message"
Info(msg)
time.Sleep(time.Millisecond)
m := map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.InfoLevel.String(), m["level"])
assert.Nil(t, m["id"])
// with fields
dummy.Reset()
id := "vytxeTZskVKR7C7WgdSP3d"
Info(msg, logrus.Fields{"id": id})
time.Sleep(time.Millisecond)
m = map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.InfoLevel.String(), m["level"])
assert.Equal(t, id, m["id"])
}
func TestWarn(t *testing.T) {
// only message
dummy.Reset()
msg := "warn test message"
Warn(msg)
time.Sleep(time.Millisecond)
m := map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.WarnLevel.String(), m["level"])
assert.Nil(t, m["id"])
// with fields
dummy.Reset()
id := "vytxeTZskVKR7C7WgdSP3d"
Warn(msg, logrus.Fields{"id": id})
time.Sleep(time.Millisecond)
m = map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.WarnLevel.String(), m["level"])
assert.Equal(t, id, m["id"])
}
func TestError(t *testing.T) {
// only message
dummy.Reset()
msg := "error test message"
err := errors.New("dummy")
Error(msg, err)
time.Sleep(time.Millisecond)
m := map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.ErrorLevel.String(), m["level"])
assert.Equal(t, err.Error(), m[logrus.ErrorKey])
assert.Nil(t, m["id"])
// with fields
dummy.Reset()
id := "vytxeTZskVKR7C7WgdSP3d"
Error(msg, err, logrus.Fields{"id": id})
time.Sleep(time.Millisecond)
m = map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.ErrorLevel.String(), m["level"])
assert.Equal(t, err.Error(), m[logrus.ErrorKey])
assert.Equal(t, id, m["id"])
}
func TestFatal(t *testing.T) {
cmd := exec.Command(os.Args[0])
cmd.Env = append(os.Environ(), fatalEnvKey+"=1")
assert.Error(t, cmd.Run())
}
func TestPanic(t *testing.T) {
// only message
dummy.Reset()
msg := "panic test message"
err := errors.New("dummy")
assert.Panics(t, func() { Panic(msg, err) })
m := map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.PanicLevel.String(), m["level"])
assert.Equal(t, err.Error(), m[logrus.ErrorKey])
assert.Nil(t, m["id"])
// with fields
dummy.Reset()
id := "vytxeTZskVKR7C7WgdSP3d"
assert.Panics(t, func() { Panic(msg, err, logrus.Fields{"id": id}) })
m = map[string]interface{}{}
assert.NoError(t, json.NewDecoder(dummy).Decode(&m))
assert.Equal(t, msg, m["msg"])
assert.Equal(t, logrus.PanicLevel.String(), m["level"])
assert.Equal(t, err.Error(), m[logrus.ErrorKey])
assert.Equal(t, id, m["id"])
}
type TestHook struct {
Fired bool
}
func (hook *TestHook) Fire(entry *logrus.Entry) error {
hook.Fired = true
return nil
}
func (hook *TestHook) Levels() []logrus.Level {
return []logrus.Level{
logrus.DebugLevel,
logrus.InfoLevel,
logrus.WarnLevel,
logrus.ErrorLevel,
logrus.FatalLevel,
logrus.PanicLevel,
}
}