Function expectCTsForMetricVecValues

prometheus/counter_test.go:357–387

(t testing.TB, vec *MetricVec, typ dto.MetricType, ctsPerLabelValue map[string]time.Time)

}

func expectCTsForMetricVecValues(t testing.TB, vec *MetricVec, typ dto.MetricType, ctsPerLabelValue map[string]time.Time) {
	t.Helper()

	for val, ct := range ctsPerLabelValue {
		var metric dto.Metric
		m, err := vec.GetMetricWithLabelValues(val)
		if err != nil {
			t.Fatal(err)
		}

		if err := m.Write(&metric); err != nil {
			t.Fatal(err)
		}

		var gotTs time.Time
		switch typ {
		case dto.MetricType_COUNTER:
			gotTs = metric.Counter.CreatedTimestamp.AsTime()
		case dto.MetricType_HISTOGRAM:
			gotTs = metric.Histogram.CreatedTimestamp.AsTime()
		case dto.MetricType_SUMMARY:
			gotTs = metric.Summary.CreatedTimestamp.AsTime()
		default:
			t.Fatalf("unknown metric type %v", typ)
		}

		if !gotTs.Equal(ct) {
			t.Errorf("expected created timestamp for %s with label value %q: %s, got %s", typ, val, ct, gotTs)
		}
	}
}