Implement casting of *Entry to error.

This commit is contained in:
Joern Barthel 2015-05-19 20:20:59 +02:00
parent e3e5de11c4
commit 756db3cd2d
2 changed files with 61 additions and 26 deletions

View File

@ -56,6 +56,14 @@ func (entry *Entry) String() (string, error) {
return reader.String(), err
}
// ToError returns the field value of ErrorKey (nil)
func (entry *Entry) ToError() error {
if err, ok := entry.Data[ErrorKey].(error); ok {
return err
}
return nil
}
// Add an error as single field (using the key defined in ErrorKey) to the Entry.
func (entry *Entry) WithError(err error) *Entry {
return entry.WithField(ErrorKey, err)
@ -112,36 +120,40 @@ func (entry *Entry) log(level Level, msg string) {
}
}
func (entry *Entry) Debug(args ...interface{}) {
func (entry *Entry) Debug(args ...interface{}) *Entry {
if entry.Logger.Level >= DebugLevel {
entry.log(DebugLevel, fmt.Sprint(args...))
}
return entry
}
func (entry *Entry) Print(args ...interface{}) {
entry.Info(args...)
func (entry *Entry) Print(args ...interface{}) *Entry {
return entry.Info(args...)
}
func (entry *Entry) Info(args ...interface{}) {
func (entry *Entry) Info(args ...interface{}) *Entry {
if entry.Logger.Level >= InfoLevel {
entry.log(InfoLevel, fmt.Sprint(args...))
}
return entry
}
func (entry *Entry) Warn(args ...interface{}) {
func (entry *Entry) Warn(args ...interface{}) *Entry {
if entry.Logger.Level >= WarnLevel {
entry.log(WarnLevel, fmt.Sprint(args...))
}
return entry
}
func (entry *Entry) Warning(args ...interface{}) {
entry.Warn(args...)
func (entry *Entry) Warning(args ...interface{}) *Entry {
return entry.Warn(args...)
}
func (entry *Entry) Error(args ...interface{}) {
func (entry *Entry) Error(args ...interface{}) *Entry {
if entry.Logger.Level >= ErrorLevel {
entry.log(ErrorLevel, fmt.Sprint(args...))
}
return entry
}
func (entry *Entry) Fatal(args ...interface{}) {
@ -160,36 +172,40 @@ func (entry *Entry) Panic(args ...interface{}) {
// Entry Printf family functions
func (entry *Entry) Debugf(format string, args ...interface{}) {
func (entry *Entry) Debugf(format string, args ...interface{}) *Entry {
if entry.Logger.Level >= DebugLevel {
entry.Debug(fmt.Sprintf(format, args...))
}
return entry
}
func (entry *Entry) Infof(format string, args ...interface{}) {
func (entry *Entry) Infof(format string, args ...interface{}) *Entry {
if entry.Logger.Level >= InfoLevel {
entry.Info(fmt.Sprintf(format, args...))
}
return entry
}
func (entry *Entry) Printf(format string, args ...interface{}) {
entry.Infof(format, args...)
func (entry *Entry) Printf(format string, args ...interface{}) *Entry {
return entry.Infof(format, args...)
}
func (entry *Entry) Warnf(format string, args ...interface{}) {
func (entry *Entry) Warnf(format string, args ...interface{}) *Entry {
if entry.Logger.Level >= WarnLevel {
entry.Warn(fmt.Sprintf(format, args...))
}
return entry
}
func (entry *Entry) Warningf(format string, args ...interface{}) {
entry.Warnf(format, args...)
func (entry *Entry) Warningf(format string, args ...interface{}) *Entry {
return entry.Warnf(format, args...)
}
func (entry *Entry) Errorf(format string, args ...interface{}) {
func (entry *Entry) Errorf(format string, args ...interface{}) *Entry {
if entry.Logger.Level >= ErrorLevel {
entry.Error(fmt.Sprintf(format, args...))
}
return entry
}
func (entry *Entry) Fatalf(format string, args ...interface{}) {
@ -206,36 +222,40 @@ func (entry *Entry) Panicf(format string, args ...interface{}) {
// Entry Println family functions
func (entry *Entry) Debugln(args ...interface{}) {
func (entry *Entry) Debugln(args ...interface{}) *Entry {
if entry.Logger.Level >= DebugLevel {
entry.Debug(entry.sprintlnn(args...))
}
return entry
}
func (entry *Entry) Infoln(args ...interface{}) {
func (entry *Entry) Infoln(args ...interface{}) *Entry {
if entry.Logger.Level >= InfoLevel {
entry.Info(entry.sprintlnn(args...))
}
return entry
}
func (entry *Entry) Println(args ...interface{}) {
entry.Infoln(args...)
func (entry *Entry) Println(args ...interface{}) *Entry {
return entry.Infoln(args...)
}
func (entry *Entry) Warnln(args ...interface{}) {
func (entry *Entry) Warnln(args ...interface{}) *Entry {
if entry.Logger.Level >= WarnLevel {
entry.Warn(entry.sprintlnn(args...))
}
return entry
}
func (entry *Entry) Warningln(args ...interface{}) {
entry.Warnln(args...)
func (entry *Entry) Warningln(args ...interface{}) *Entry {
return entry.Warnln(args...)
}
func (entry *Entry) Errorln(args ...interface{}) {
func (entry *Entry) Errorln(args ...interface{}) *Entry {
if entry.Logger.Level >= ErrorLevel {
entry.Error(entry.sprintlnn(args...))
}
return entry
}
func (entry *Entry) Fatalln(args ...interface{}) {

View File

@ -8,6 +8,23 @@ import (
"github.com/stretchr/testify/assert"
)
var err = fmt.Errorf("kaboom at layer %d", 4711)
func TestToError(t *testing.T) {
assert := assert.New(t)
ctx := WithField("foo", "bar")
assert.Equal(nil, ctx.Debug("Hello").ToError())
ctx.Data[ErrorKey] = "error"
assert.Equal(nil, ctx.Debug("Hello").ToError())
ctx = ctx.WithError(err)
assert.Equal(err, ctx.Debug("Hello").ToError())
}
func TestEntryWithError(t *testing.T) {
assert := assert.New(t)
@ -16,8 +33,6 @@ func TestEntryWithError(t *testing.T) {
ErrorKey = "error"
}()
err := fmt.Errorf("kaboom at layer %d", 4711)
assert.Equal(err, WithError(err).Data["error"])
logger := New()