Function TestTimerConditionalTiming

prometheus/timer_test.go:112–143

(t *testing.T)

}

func TestTimerConditionalTiming(t *testing.T) {
	var (
		his = NewHistogram(HistogramOpts{
			Name: "test_histogram",
		})
		timeMe = true
		m      = &dto.Metric{}
	)

	timedFunc := func() {
		timer := NewTimer(ObserverFunc(func(v float64) {
			if timeMe {
				his.Observe(v)
			}
		}))
		defer timer.ObserveDuration()
	}

	timedFunc() // This will time.
	his.Write(m)
	if want, got := uint64(1), m.GetHistogram().GetSampleCount(); want != got {
		t.Errorf("want %d observations for histogram, got %d", want, got)
	}

	timeMe = false
	timedFunc() // This will not time again.
	m.Reset()
	his.Write(m)
	if want, got := uint64(1), m.GetHistogram().GetSampleCount(); want != got {
		t.Errorf("want %d observations for histogram, got %d", want, got)
	}
}

func TestTimerByOutcome(t *testing.T) {
	var (