mirror of
https://github.com/rclone/rclone.git
synced 2024-11-26 02:09:55 +08:00
387 lines
8.9 KiB
Go
387 lines
8.9 KiB
Go
package logrus
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import (
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"bytes"
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"encoding/json"
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"strconv"
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"strings"
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"sync"
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"testing"
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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 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, "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("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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// Compile test
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func TestLogrusInterface(t *testing.T) {
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var buffer bytes.Buffer
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fn := func(l FieldLogger) {
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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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