Function testScrapeLoopFailLegacyUnderUTF8

scrape/scrape_test.go:1410–1434

(t *testing.T, appV2 bool)

}

func testScrapeLoopFailLegacyUnderUTF8(t *testing.T, appV2 bool) {
	sl, _ := newTestScrapeLoop(t, withAppendable(teststorage.NewAppendable(), appV2), func(sl *scrapeLoop) {
		sl.validationScheme = model.LegacyValidation
	})

	app := sl.appender()
	total, added, seriesAdded, err := app.append([]byte("{\"test.metric\"} 1\n"), "text/plain", time.Time{})
	require.ErrorContains(t, err, "invalid metric name or label names")
	require.NoError(t, app.Rollback())
	require.Equal(t, 1, total)
	require.Equal(t, 0, added)
	require.Equal(t, 0, seriesAdded)

	// When scrapeloop has validation set to UTF-8, the metric is allowed.
	sl, _ = newTestScrapeLoop(t, withAppendable(teststorage.NewAppendable(), appV2), func(sl *scrapeLoop) {
		sl.validationScheme = model.UTF8Validation
	})

	app = sl.appender()
	total, added, seriesAdded, err = app.append([]byte("{\"test.metric\"} 1\n"), "text/plain", time.Time{})
	require.NoError(t, err)
	require.Equal(t, 1, total)
	require.Equal(t, 1, added)
	require.Equal(t, 1, seriesAdded)
}

func readTextParseTestMetrics(t testing.TB) []byte {
	t.Helper()