Function TestNewConstMetricWithCreatedTimestamp

prometheus/value_test.go:61–110

(t *testing.T)

}

func TestNewConstMetricWithCreatedTimestamp(t *testing.T) {
	now := time.Now()

	for _, tcase := range []struct {
		desc             string
		metricType       ValueType
		createdTimestamp time.Time
		expecErr         bool
		expectedCt       *timestamppb.Timestamp
	}{
		{
			desc:             "gauge with CT",
			metricType:       GaugeValue,
			createdTimestamp: now,
			expecErr:         true,
			expectedCt:       nil,
		},
		{
			desc:             "counter with CT",
			metricType:       CounterValue,
			createdTimestamp: now,
			expecErr:         false,
			expectedCt:       timestamppb.New(now),
		},
	} {
		t.Run(tcase.desc, func(t *testing.T) {
			metricDesc := NewDesc(
				"sample_value",
				"sample value",
				nil,
				nil,
			)
			m, err := NewConstMetricWithCreatedTimestamp(metricDesc, tcase.metricType, float64(1), tcase.createdTimestamp)
			if tcase.expecErr && err == nil {
				t.Errorf("Expected error is test %s, got no err", tcase.desc)
			}
			if !tcase.expecErr && err != nil {
				t.Errorf("Didn't expect error in test %s, got %s", tcase.desc, err.Error())
			}

			if tcase.expectedCt != nil {
				var metric dto.Metric
				m.Write(&metric)
				if metric.Counter.CreatedTimestamp.AsTime() != tcase.expectedCt.AsTime() {
					t.Errorf("Expected timestamp %v, got %v", tcase.expectedCt, &metric.Counter.CreatedTimestamp)
				}
			}
		})
	}
}