Function TestMetricNotFound

prometheus/testutil/testutil_test.go:292–328

(t *testing.T)

}

func TestMetricNotFound(t *testing.T) {
	const metadata = `
		# HELP some_other_metric A value that represents a counter.
		# TYPE some_other_metric counter
	`

	c := prometheus.NewCounter(prometheus.CounterOpts{
		Name: "some_total",
		Help: "A value that represents a counter.",
		ConstLabels: prometheus.Labels{
			"label1": "value1",
		},
	})

	c.Inc()

	expected := `
		some_other_metric{label1="value1"} 1
	`

	expectedError := `-# HELP some_total A value that represents a counter.
-# TYPE some_total counter
-some_total{label1="value1"} 1
+# HELP some_other_metric A value that represents a counter.
+# TYPE some_other_metric counter
+some_other_metric{label1="value1"} 1
 `

	err := CollectAndCompare(c, strings.NewReader(metadata+expected))
	if err == nil {
		t.Error("Expected error, got no error.")
	}

	if err.Error() != expectedError {
		t.Errorf("Expected\n%#+v\nGot:\n%#+v", expectedError, err.Error())
	}
}

func TestScrapeAndCompare(t *testing.T) {
	const expected = `