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logrus
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fix panic in text formatter 

The panic was caused to a nil pointer access when report
caller was activated with output coloring disabled

Fixes #852
This commit is contained in:
David Bariod 2018-10-31 07:01:35 +01:00
parent 566a5f6908
commit d10c2f9e3c
2 changed files with 19 additions and 7 deletions
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12
logrus_test.go
View File

@ -702,3 +702,15 @@ func TestLogLevelEnabled(t *testing.T) {
assert.Equal(t, true, log.IsLevelEnabled(DebugLevel))
assert.Equal(t, true, log.IsLevelEnabled(TraceLevel))
}
func TestReportCallerOnTextFormatter(t *testing.T) {
l := New()
l.Formatter.(*TextFormatter).ForceColors = true
l.Formatter.(*TextFormatter).DisableColors = false
l.WithFields(Fields{"func": "func", "file": "file"}).Info("test")
l.Formatter.(*TextFormatter).ForceColors = false
l.Formatter.(*TextFormatter).DisableColors = true
l.WithFields(Fields{"func": "func", "file": "file"}).Info("test")
}

14
text_formatter.go
View File

@ -164,18 +164,18 @@ func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
} else {
for _, key := range fixedKeys {
var value interface{}
switch key {
case f.FieldMap.resolve(FieldKeyTime):
switch {
case key == f.FieldMap.resolve(FieldKeyTime):
value = entry.Time.Format(timestampFormat)
case f.FieldMap.resolve(FieldKeyLevel):
case key == f.FieldMap.resolve(FieldKeyLevel):
value = entry.Level.String()
case f.FieldMap.resolve(FieldKeyMsg):
case key == f.FieldMap.resolve(FieldKeyMsg):
value = entry.Message
case f.FieldMap.resolve(FieldKeyLogrusError):
case key == f.FieldMap.resolve(FieldKeyLogrusError):
value = entry.err
case f.FieldMap.resolve(FieldKeyFunc):
case key == f.FieldMap.resolve(FieldKeyFunc) && entry.HasCaller():
value = entry.Caller.Function
case f.FieldMap.resolve(FieldKeyFile):
case key == f.FieldMap.resolve(FieldKeyFile) && entry.HasCaller():
value = fmt.Sprintf("%s:%d", entry.Caller.File, entry.Caller.Line)
default:
value = entry.Data[key]