Function testScrapeLoopMetadata

scrape/scrape_test.go:1312–1344

(t *testing.T, appV2 bool)

}

func testScrapeLoopMetadata(t *testing.T, appV2 bool) {
	sl, _ := newTestScrapeLoop(t, withAppendable(teststorage.NewAppendable(), appV2))

	app := sl.appender()
	total, _, _, err := app.append([]byte(`# TYPE test_metric counter
# HELP test_metric some help text
# UNIT test_metric metric
test_metric_total 1
# TYPE test_metric_no_help gauge
# HELP test_metric_no_type other help text
# EOF`), "application/openmetrics-text", time.Now())
	require.NoError(t, err)
	require.NoError(t, app.Commit())
	require.Equal(t, 1, total)

	md, ok := sl.cache.GetMetadata("test_metric")
	require.True(t, ok, "expected metadata to be present")
	require.Equal(t, model.MetricTypeCounter, md.Type, "unexpected metric type")
	require.Equal(t, "some help text", md.Help)
	require.Equal(t, "metric", md.Unit)

	md, ok = sl.cache.GetMetadata("test_metric_no_help")
	require.True(t, ok, "expected metadata to be present")
	require.Equal(t, model.MetricTypeGauge, md.Type, "unexpected metric type")
	require.Empty(t, md.Help)
	require.Empty(t, md.Unit)

	md, ok = sl.cache.GetMetadata("test_metric_no_type")
	require.True(t, ok, "expected metadata to be present")
	require.Equal(t, model.MetricTypeUnknown, md.Type, "unexpected metric type")
	require.Equal(t, "other help text", md.Help)
	require.Empty(t, md.Unit)
}

func TestScrapeLoopSeriesAdded(t *testing.T) {
	foreachAppendable(t, func(t *testing.T, appV2 bool) {