coredns/plugin/pkg/log/log_test.go
Miek Gieben a84413bd07
pkg/log: fix data race on d (#2698)
* pkg/log: fix data race on d

Wrap d in a mutex to prevent data race. This makes is slower, but this
is a debugging aid anyway. It's not used normally.

Signed-off-by: Miek Gieben <miek@miek.nl>

* Fix tests compilation

Signed-off-by: Miek Gieben <miek@miek.nl>

* Fix test compile

Signed-off-by: Miek Gieben <miek@miek.nl>
2019-05-23 21:02:30 +01:00

65 lines
1.3 KiB
Go

package log
import (
"bytes"
golog "log"
"strings"
"testing"
)
func TestDebug(t *testing.T) {
var f bytes.Buffer
golog.SetOutput(&f)
// D == false
Debug("debug")
if x := f.String(); x != "" {
t.Errorf("Expected no debug logs, got %s", x)
}
f.Reset()
D.Set()
Debug("debug")
if x := f.String(); !strings.Contains(x, debug+"debug") {
t.Errorf("Expected debug log to be %s, got %s", debug+"debug", x)
}
}
func TestDebugx(t *testing.T) {
var f bytes.Buffer
golog.SetOutput(&f)
D.Set()
Debugf("%s", "debug")
if x := f.String(); !strings.Contains(x, debug+"debug") {
t.Errorf("Expected debug log to be %s, got %s", debug+"debug", x)
}
f.Reset()
Debug("debug")
if x := f.String(); !strings.Contains(x, debug+"debug") {
t.Errorf("Expected debug log to be %s, got %s", debug+"debug", x)
}
}
func TestLevels(t *testing.T) {
var f bytes.Buffer
const ts = "test"
golog.SetOutput(&f)
Info(ts)
if x := f.String(); !strings.Contains(x, info+ts) {
t.Errorf("Expected log to be %s, got %s", info+ts, x)
}
f.Reset()
Warning(ts)
if x := f.String(); !strings.Contains(x, warning+ts) {
t.Errorf("Expected log to be %s, got %s", warning+ts, x)
}
f.Reset()
Error(ts)
if x := f.String(); !strings.Contains(x, err+ts) {
t.Errorf("Expected log to be %s, got %s", err+ts, x)
}
}