Function Test_histogram_externalLabels

modules/generator/registry/histogram_test.go:296–327

(t *testing.T)

}

func Test_histogram_externalLabels(t *testing.T) {
	extLabels := map[string]string{"external_label": "external_value"}

	h := newHistogram("my_histogram", []float64{1.0, 2.0}, noopLimiter, "", extLabels, 15*time.Minute)

	h.ObserveWithExemplar(buildTestLabels([]string{"label"}, []string{"value-1"}), 1.0, "", 1.0)
	h.ObserveWithExemplar(buildTestLabels([]string{"label"}, []string{"value-2"}), 1.5, "", 1.0)

	collectionTimeMs := time.Now().UnixMilli()
	endOfLastMinuteMs := getEndOfLastMinuteMs(collectionTimeMs)
	expectedSamples := []sample{
		newSample(map[string]string{"__name__": "my_histogram_count", "label": "value-1", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_count", "label": "value-1", "external_label": "external_value"}, collectionTimeMs, 1),
		newSample(map[string]string{"__name__": "my_histogram_sum", "label": "value-1", "external_label": "external_value"}, collectionTimeMs, 1),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-1", "le": "1", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-1", "le": "1", "external_label": "external_value"}, collectionTimeMs, 1),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-1", "le": "2", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-1", "le": "2", "external_label": "external_value"}, collectionTimeMs, 1),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-1", "le": "+Inf", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-1", "le": "+Inf", "external_label": "external_value"}, collectionTimeMs, 1),
		newSample(map[string]string{"__name__": "my_histogram_count", "label": "value-2", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_count", "label": "value-2", "external_label": "external_value"}, collectionTimeMs, 1),
		newSample(map[string]string{"__name__": "my_histogram_sum", "label": "value-2", "external_label": "external_value"}, collectionTimeMs, 1.5),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-2", "le": "1", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-2", "le": "1", "external_label": "external_value"}, collectionTimeMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-2", "le": "2", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-2", "le": "2", "external_label": "external_value"}, collectionTimeMs, 1),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-2", "le": "+Inf", "external_label": "external_value"}, endOfLastMinuteMs, 0),
		newSample(map[string]string{"__name__": "my_histogram_bucket", "label": "value-2", "le": "+Inf", "external_label": "external_value"}, collectionTimeMs, 1),
	}
	collectMetricAndAssert(t, h, collectionTimeMs, 10, expectedSamples, nil)
}

func Test_histogram_concurrencyDataRace(t *testing.T) {
	h := newHistogram("my_histogram", []float64{1.0, 2.0}, noopLimiter, "", nil, 15*time.Minute)