branch coverage

file.go

	var countHistograms, countGauges uint32

	api.SpyArgumentsAndReturnEmpty(func(args mock.Arguments) {
		query := args[1].(string)
		assert.IsType(t, v1.Range{}, args[2])
		r := args[2].(v1.Range)
		assert.Contains(t, query, "svc.ns.svc.cluster.local")
		assert.Contains(t, query, "[1m]")
		if strings.Contains(query, "histogram_quantile") {
			// Histogram specific queries
			assert.Contains(t, query, " by (le)")
			atomic.AddUint32(&countHistograms, 1)
		} else {
			assert.NotContains(t, query, " by ")
			atomic.AddUint32(&countGauges, 1)
		}
		assert.Equal(t, 15*time.Second, r.Step)
		assert.WithinDuration(t, now, r.End, delta)
		assert.WithinDuration(t, now.Add(-30*time.Minute), r.Start, delta)
	})

	resp, err := http.Get(url)
	if err != nil {
		t.Fatal(err)
	}
	actual, _ := ioutil.ReadAll(resp.Body)

	assert.NotEmpty(t, actual)
	assert.Equal(t, 200, resp.StatusCode, string(actual))
	// Assert branch coverage
	assert.True(t, countHistograms > 0)
	assert.True(t, countGauges > 0)