Function TestManagedRegistry_histogram

modules/generator/registry/registry_test.go:140–162

(t *testing.T)

}

func TestManagedRegistry_histogram(t *testing.T) {
	appender := &capturingAppender{}

	registry := New(&Config{}, &mockOverrides{}, "test", appender, log.NewNopLogger(), noopLimiter)
	defer registry.Close()

	histogram := registry.NewHistogram("histogram", []float64{1.0, 2.0}, HistogramModeClassic)

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

	expectedSamples := []sample{
		newSample(map[string]string{"__name__": "histogram_count", "label": "value-1", "__metrics_gen_instance": mustGetHostname()}, 0, 0),
		newSample(map[string]string{"__name__": "histogram_count", "label": "value-1", "__metrics_gen_instance": mustGetHostname()}, 1, 1.0),
		newSample(map[string]string{"__name__": "histogram_sum", "label": "value-1", "__metrics_gen_instance": mustGetHostname()}, 1, 1.0),
		newSample(map[string]string{"__name__": "histogram_bucket", "label": "value-1", "__metrics_gen_instance": mustGetHostname(), "le": "1"}, 0, 0),
		newSample(map[string]string{"__name__": "histogram_bucket", "label": "value-1", "__metrics_gen_instance": mustGetHostname(), "le": "1"}, 1, 1.0),
		newSample(map[string]string{"__name__": "histogram_bucket", "label": "value-1", "__metrics_gen_instance": mustGetHostname(), "le": "2"}, 0, 0),
		newSample(map[string]string{"__name__": "histogram_bucket", "label": "value-1", "__metrics_gen_instance": mustGetHostname(), "le": "2"}, 1, 1.0),
		newSample(map[string]string{"__name__": "histogram_bucket", "label": "value-1", "__metrics_gen_instance": mustGetHostname(), "le": "+Inf"}, 0, 0),
		newSample(map[string]string{"__name__": "histogram_bucket", "label": "value-1", "__metrics_gen_instance": mustGetHostname(), "le": "+Inf"}, 1, 1.0),
	}
	collectRegistryMetricsAndAssert(t, registry, appender, expectedSamples)
}

func TestManagedRegistry_removeStaleSeries(t *testing.T) {
	appender := &capturingAppender{}