forked from mirror/logrus
550 lines
14 KiB
Go
550 lines
14 KiB
Go
package logrus
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import (
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"bytes"
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"encoding/json"
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"io/ioutil"
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"strconv"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func LogAndAssertJSON(t *testing.T, log func(*Logger), assertions func(fields Fields)) {
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var buffer bytes.Buffer
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var fields Fields
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logger := New()
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logger.Out = &buffer
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logger.Formatter = new(JSONFormatter)
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log(logger)
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err := json.Unmarshal(buffer.Bytes(), &fields)
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assert.Nil(t, err)
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assertions(fields)
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}
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func LogAndAssertText(t *testing.T, log func(*Logger), assertions func(fields map[string]string)) {
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var buffer bytes.Buffer
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logger := New()
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logger.Out = &buffer
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logger.Formatter = &TextFormatter{
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DisableColors: true,
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}
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log(logger)
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fields := make(map[string]string)
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for _, kv := range strings.Split(buffer.String(), " ") {
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if !strings.Contains(kv, "=") {
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continue
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}
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kvArr := strings.Split(kv, "=")
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key := strings.TrimSpace(kvArr[0])
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val := kvArr[1]
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if kvArr[1][0] == '"' {
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var err error
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val, err = strconv.Unquote(val)
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assert.NoError(t, err)
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}
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fields[key] = val
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}
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assertions(fields)
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}
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func TestPrint(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Print("test")
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test")
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assert.Equal(t, fields["level"], "info")
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})
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}
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func TestInfo(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Info("test")
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test")
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assert.Equal(t, fields["level"], "info")
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})
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}
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func TestWarn(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Warn("test")
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test")
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assert.Equal(t, fields["level"], "warning")
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})
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}
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func TestInfolnShouldAddSpacesBetweenStrings(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Infoln("test", "test")
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test test")
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})
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}
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func TestInfolnShouldAddSpacesBetweenStringAndNonstring(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Infoln("test", 10)
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test 10")
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})
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}
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func TestInfolnShouldAddSpacesBetweenTwoNonStrings(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Infoln(10, 10)
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "10 10")
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})
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}
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func TestInfoShouldAddSpacesBetweenTwoNonStrings(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Infoln(10, 10)
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "10 10")
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})
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}
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func TestInfoShouldNotAddSpacesBetweenStringAndNonstring(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Info("test", 10)
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test10")
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})
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}
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func TestInfoShouldNotAddSpacesBetweenStrings(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.Info("test", "test")
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "testtest")
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})
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}
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func TestWithFieldsShouldAllowAssignments(t *testing.T) {
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var buffer bytes.Buffer
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var fields Fields
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logger := New()
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logger.Out = &buffer
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logger.Formatter = new(JSONFormatter)
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localLog := logger.WithFields(Fields{
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"key1": "value1",
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})
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localLog.WithField("key2", "value2").Info("test")
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err := json.Unmarshal(buffer.Bytes(), &fields)
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assert.Nil(t, err)
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assert.Equal(t, "value2", fields["key2"])
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assert.Equal(t, "value1", fields["key1"])
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buffer = bytes.Buffer{}
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fields = Fields{}
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localLog.Info("test")
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err = json.Unmarshal(buffer.Bytes(), &fields)
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assert.Nil(t, err)
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_, ok := fields["key2"]
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assert.Equal(t, false, ok)
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assert.Equal(t, "value1", fields["key1"])
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}
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func TestUserSuppliedFieldDoesNotOverwriteDefaults(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.WithField("msg", "hello").Info("test")
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test")
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})
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}
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func TestUserSuppliedMsgFieldHasPrefix(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.WithField("msg", "hello").Info("test")
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}, func(fields Fields) {
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assert.Equal(t, fields["msg"], "test")
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assert.Equal(t, fields["fields.msg"], "hello")
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})
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}
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func TestUserSuppliedTimeFieldHasPrefix(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.WithField("time", "hello").Info("test")
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}, func(fields Fields) {
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assert.Equal(t, fields["fields.time"], "hello")
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})
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}
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func TestUserSuppliedLevelFieldHasPrefix(t *testing.T) {
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LogAndAssertJSON(t, func(log *Logger) {
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log.WithField("level", 1).Info("test")
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}, func(fields Fields) {
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assert.Equal(t, fields["level"], "info")
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assert.Equal(t, fields["fields.level"], 1.0) // JSON has floats only
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})
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}
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func TestDefaultFieldsAreNotPrefixed(t *testing.T) {
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LogAndAssertText(t, func(log *Logger) {
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ll := log.WithField("herp", "derp")
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ll.Info("hello")
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ll.Info("bye")
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}, func(fields map[string]string) {
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for _, fieldName := range []string{"fields.level", "fields.time", "fields.msg"} {
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if _, ok := fields[fieldName]; ok {
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t.Fatalf("should not have prefixed %q: %v", fieldName, fields)
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}
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}
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})
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}
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func TestWithTimeShouldOverrideTime(t *testing.T) {
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now := time.Now().Add(24 * time.Hour)
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LogAndAssertJSON(t, func(log *Logger) {
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log.WithTime(now).Info("foobar")
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}, func(fields Fields) {
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assert.Equal(t, fields["time"], now.Format(defaultTimestampFormat))
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})
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}
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func TestWithTimeShouldNotOverrideFields(t *testing.T) {
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now := time.Now().Add(24 * time.Hour)
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LogAndAssertJSON(t, func(log *Logger) {
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log.WithField("herp", "derp").WithTime(now).Info("blah")
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}, func(fields Fields) {
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assert.Equal(t, fields["time"], now.Format(defaultTimestampFormat))
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assert.Equal(t, fields["herp"], "derp")
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})
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}
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func TestWithFieldShouldNotOverrideTime(t *testing.T) {
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now := time.Now().Add(24 * time.Hour)
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LogAndAssertJSON(t, func(log *Logger) {
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log.WithTime(now).WithField("herp", "derp").Info("blah")
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}, func(fields Fields) {
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assert.Equal(t, fields["time"], now.Format(defaultTimestampFormat))
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assert.Equal(t, fields["herp"], "derp")
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})
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}
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func TestTimeOverrideMultipleLogs(t *testing.T) {
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var buffer bytes.Buffer
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var firstFields, secondFields Fields
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logger := New()
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logger.Out = &buffer
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formatter := new(JSONFormatter)
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formatter.TimestampFormat = time.StampMilli
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logger.Formatter = formatter
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llog := logger.WithField("herp", "derp")
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llog.Info("foo")
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err := json.Unmarshal(buffer.Bytes(), &firstFields)
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assert.NoError(t, err, "should have decoded first message")
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buffer.Reset()
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time.Sleep(10 * time.Millisecond)
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llog.Info("bar")
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err = json.Unmarshal(buffer.Bytes(), &secondFields)
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assert.NoError(t, err, "should have decoded second message")
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assert.NotEqual(t, firstFields["time"], secondFields["time"], "timestamps should not be equal")
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}
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func TestDoubleLoggingDoesntPrefixPreviousFields(t *testing.T) {
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var buffer bytes.Buffer
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var fields Fields
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logger := New()
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logger.Out = &buffer
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logger.Formatter = new(JSONFormatter)
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llog := logger.WithField("context", "eating raw fish")
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llog.Info("looks delicious")
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err := json.Unmarshal(buffer.Bytes(), &fields)
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assert.NoError(t, err, "should have decoded first message")
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assert.Equal(t, len(fields), 4, "should only have msg/time/level/context fields")
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assert.Equal(t, fields["msg"], "looks delicious")
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assert.Equal(t, fields["context"], "eating raw fish")
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buffer.Reset()
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llog.Warn("omg it is!")
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err = json.Unmarshal(buffer.Bytes(), &fields)
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assert.NoError(t, err, "should have decoded second message")
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assert.Equal(t, len(fields), 4, "should only have msg/time/level/context fields")
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assert.Equal(t, fields["msg"], "omg it is!")
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assert.Equal(t, fields["context"], "eating raw fish")
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assert.Nil(t, fields["fields.msg"], "should not have prefixed previous `msg` entry")
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}
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func TestConvertLevelToString(t *testing.T) {
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assert.Equal(t, "trace", TraceLevel.String())
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assert.Equal(t, "debug", DebugLevel.String())
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assert.Equal(t, "info", InfoLevel.String())
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assert.Equal(t, "warning", WarnLevel.String())
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assert.Equal(t, "error", ErrorLevel.String())
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assert.Equal(t, "fatal", FatalLevel.String())
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assert.Equal(t, "panic", PanicLevel.String())
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}
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func TestParseLevel(t *testing.T) {
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l, err := ParseLevel("panic")
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assert.Nil(t, err)
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assert.Equal(t, PanicLevel, l)
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l, err = ParseLevel("PANIC")
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assert.Nil(t, err)
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assert.Equal(t, PanicLevel, l)
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l, err = ParseLevel("fatal")
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assert.Nil(t, err)
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assert.Equal(t, FatalLevel, l)
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l, err = ParseLevel("FATAL")
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assert.Nil(t, err)
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assert.Equal(t, FatalLevel, l)
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l, err = ParseLevel("error")
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assert.Nil(t, err)
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assert.Equal(t, ErrorLevel, l)
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l, err = ParseLevel("ERROR")
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assert.Nil(t, err)
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assert.Equal(t, ErrorLevel, l)
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l, err = ParseLevel("warn")
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assert.Nil(t, err)
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assert.Equal(t, WarnLevel, l)
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l, err = ParseLevel("WARN")
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assert.Nil(t, err)
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assert.Equal(t, WarnLevel, l)
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l, err = ParseLevel("warning")
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assert.Nil(t, err)
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assert.Equal(t, WarnLevel, l)
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l, err = ParseLevel("WARNING")
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assert.Nil(t, err)
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assert.Equal(t, WarnLevel, l)
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l, err = ParseLevel("info")
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assert.Nil(t, err)
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assert.Equal(t, InfoLevel, l)
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l, err = ParseLevel("INFO")
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assert.Nil(t, err)
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assert.Equal(t, InfoLevel, l)
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l, err = ParseLevel("debug")
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assert.Nil(t, err)
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assert.Equal(t, DebugLevel, l)
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l, err = ParseLevel("DEBUG")
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assert.Nil(t, err)
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assert.Equal(t, DebugLevel, l)
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l, err = ParseLevel("trace")
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assert.Nil(t, err)
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assert.Equal(t, TraceLevel, l)
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l, err = ParseLevel("TRACE")
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assert.Nil(t, err)
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assert.Equal(t, TraceLevel, l)
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l, err = ParseLevel("invalid")
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assert.Equal(t, "not a valid logrus Level: \"invalid\"", err.Error())
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}
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func TestGetSetLevelRace(t *testing.T) {
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wg := sync.WaitGroup{}
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for i := 0; i < 100; i++ {
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wg.Add(1)
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go func(i int) {
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defer wg.Done()
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if i%2 == 0 {
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SetLevel(InfoLevel)
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} else {
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GetLevel()
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}
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}(i)
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}
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wg.Wait()
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}
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func TestLoggingRace(t *testing.T) {
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logger := New()
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var wg sync.WaitGroup
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wg.Add(100)
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for i := 0; i < 100; i++ {
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go func() {
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logger.Info("info")
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wg.Done()
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}()
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}
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wg.Wait()
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}
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func TestLoggingRaceWithHooksOnEntry(t *testing.T) {
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logger := New()
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hook := new(ModifyHook)
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logger.AddHook(hook)
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entry := logger.WithField("context", "clue")
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var wg sync.WaitGroup
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wg.Add(100)
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for i := 0; i < 100; i++ {
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go func() {
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entry.Info("info")
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wg.Done()
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}()
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}
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wg.Wait()
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}
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func TestReplaceHooks(t *testing.T) {
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old, cur := &TestHook{}, &TestHook{}
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logger := New()
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logger.SetOutput(ioutil.Discard)
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logger.AddHook(old)
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hooks := make(LevelHooks)
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hooks.Add(cur)
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replaced := logger.ReplaceHooks(hooks)
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logger.Info("test")
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assert.Equal(t, old.Fired, false)
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assert.Equal(t, cur.Fired, true)
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logger.ReplaceHooks(replaced)
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logger.Info("test")
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assert.Equal(t, old.Fired, true)
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}
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// Compile test
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func TestLogrusInterfaces(t *testing.T) {
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var buffer bytes.Buffer
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// This verifies FieldLogger and Ext1FieldLogger work as designed.
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// Please don't use them. Use Logger and Entry directly.
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fn := func(xl Ext1FieldLogger) {
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var l FieldLogger = xl
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b := l.WithField("key", "value")
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b.Debug("Test")
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}
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// test logger
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logger := New()
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logger.Out = &buffer
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fn(logger)
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// test Entry
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e := logger.WithField("another", "value")
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fn(e)
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}
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// Implements io.Writer using channels for synchronization, so we can wait on
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// the Entry.Writer goroutine to write in a non-racey way. This does assume that
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// there is a single call to Logger.Out for each message.
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type channelWriter chan []byte
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func (cw channelWriter) Write(p []byte) (int, error) {
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cw <- p
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return len(p), nil
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}
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func TestEntryWriter(t *testing.T) {
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cw := channelWriter(make(chan []byte, 1))
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log := New()
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log.Out = cw
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log.Formatter = new(JSONFormatter)
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log.WithField("foo", "bar").WriterLevel(WarnLevel).Write([]byte("hello\n"))
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bs := <-cw
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var fields Fields
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err := json.Unmarshal(bs, &fields)
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assert.Nil(t, err)
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assert.Equal(t, fields["foo"], "bar")
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assert.Equal(t, fields["level"], "warning")
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}
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func TestLogLevelEnabled(t *testing.T) {
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log := New()
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log.SetLevel(PanicLevel)
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assert.Equal(t, true, log.IsLevelEnabled(PanicLevel))
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assert.Equal(t, false, log.IsLevelEnabled(FatalLevel))
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assert.Equal(t, false, log.IsLevelEnabled(ErrorLevel))
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assert.Equal(t, false, log.IsLevelEnabled(WarnLevel))
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assert.Equal(t, false, log.IsLevelEnabled(InfoLevel))
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assert.Equal(t, false, log.IsLevelEnabled(DebugLevel))
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log.SetLevel(FatalLevel)
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assert.Equal(t, true, log.IsLevelEnabled(PanicLevel))
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assert.Equal(t, true, log.IsLevelEnabled(FatalLevel))
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assert.Equal(t, false, log.IsLevelEnabled(ErrorLevel))
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assert.Equal(t, false, log.IsLevelEnabled(WarnLevel))
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assert.Equal(t, false, log.IsLevelEnabled(InfoLevel))
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assert.Equal(t, false, log.IsLevelEnabled(DebugLevel))
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log.SetLevel(ErrorLevel)
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assert.Equal(t, true, log.IsLevelEnabled(PanicLevel))
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assert.Equal(t, true, log.IsLevelEnabled(FatalLevel))
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assert.Equal(t, true, log.IsLevelEnabled(ErrorLevel))
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assert.Equal(t, false, log.IsLevelEnabled(WarnLevel))
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assert.Equal(t, false, log.IsLevelEnabled(InfoLevel))
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assert.Equal(t, false, log.IsLevelEnabled(DebugLevel))
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log.SetLevel(WarnLevel)
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assert.Equal(t, true, log.IsLevelEnabled(PanicLevel))
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assert.Equal(t, true, log.IsLevelEnabled(FatalLevel))
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assert.Equal(t, true, log.IsLevelEnabled(ErrorLevel))
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assert.Equal(t, true, log.IsLevelEnabled(WarnLevel))
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assert.Equal(t, false, log.IsLevelEnabled(InfoLevel))
|
|
assert.Equal(t, false, log.IsLevelEnabled(DebugLevel))
|
|
|
|
log.SetLevel(InfoLevel)
|
|
assert.Equal(t, true, log.IsLevelEnabled(PanicLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(FatalLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(ErrorLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(WarnLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(InfoLevel))
|
|
assert.Equal(t, false, log.IsLevelEnabled(DebugLevel))
|
|
|
|
log.SetLevel(DebugLevel)
|
|
assert.Equal(t, true, log.IsLevelEnabled(PanicLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(FatalLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(ErrorLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(WarnLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(InfoLevel))
|
|
assert.Equal(t, true, log.IsLevelEnabled(DebugLevel))
|
|
}
|