package zerolog import "testing" import "reflect" type syslogEvent struct { level string msg string } type syslogTestWriter struct { events []syslogEvent } func (w *syslogTestWriter) Write(p []byte) (int, error) { return 0, nil } func (w *syslogTestWriter) Debug(m string) error { w.events = append(w.events, syslogEvent{"Debug", m}) return nil } func (w *syslogTestWriter) Info(m string) error { w.events = append(w.events, syslogEvent{"Info", m}) return nil } func (w *syslogTestWriter) Warning(m string) error { w.events = append(w.events, syslogEvent{"Warning", m}) return nil } func (w *syslogTestWriter) Err(m string) error { w.events = append(w.events, syslogEvent{"Err", m}) return nil } func (w *syslogTestWriter) Emerg(m string) error { w.events = append(w.events, syslogEvent{"Emerg", m}) return nil } func (w *syslogTestWriter) Crit(m string) error { w.events = append(w.events, syslogEvent{"Crit", m}) return nil } func TestSyslogWriter(t *testing.T) { sw := &syslogTestWriter{} log := New(SyslogLevelWriter(sw)) log.Debug().Msg("debug") log.Info().Msg("info") log.Warn().Msg("warn") log.Error().Msg("error") want := []syslogEvent{ {"Debug", `{"level":"debug","message":"debug"}` + "\n"}, {"Info", `{"level":"info","message":"info"}` + "\n"}, {"Warning", `{"level":"warn","message":"warn"}` + "\n"}, {"Err", `{"level":"error","message":"error"}` + "\n"}, } if got := sw.events; !reflect.DeepEqual(got, want) { t.Errorf("Invalid syslog message routing: want %v, got %v", want, got) } }