Function testDeletePartialMatch

prometheus/vec_test.go:184–261

(t *testing.T, baseVec *GaugeVec)

}

func testDeletePartialMatch(t *testing.T, baseVec *GaugeVec) {
	assertNoMetric := func(t *testing.T) {
		if n := len(baseVec.metrics); n != 0 {
			t.Error("expected no metrics, got", n)
		}
	}

	// No metric value is set.
	if got, want := baseVec.DeletePartialMatch(Labels{"l1": "v1", "l2": "v2"}), 0; got != want {
		t.Errorf("got %v, want %v", got, want)
	}

	baseVec.With(Labels{"l1": "baseValue1", "l2": "baseValue2", "l3": "baseValue3"}).Inc()
	baseVec.With(Labels{"l1": "multiDeleteV1", "l2": "diff1BaseValue2", "l3": "v3"}).Set(42)
	baseVec.With(Labels{"l1": "multiDeleteV1", "l2": "diff2BaseValue2", "l3": "v3"}).Set(84)
	baseVec.With(Labels{"l1": "multiDeleteV1", "l2": "diff3BaseValue2", "l3": "v3"}).Set(168)

	curriedVec := baseVec.MustCurryWith(Labels{"l2": "curriedValue2"})
	curriedVec.WithLabelValues("curriedValue1", "curriedValue3").Inc()
	curriedVec.WithLabelValues("curriedValue1", "differentCurriedValue3").Inc()
	curriedVec.WithLabelValues("differentCurriedValue1", "differentCurriedValue3").Inc()

	// Try to delete nonexistent label with existent value from curried vector.
	if got, want := curriedVec.DeletePartialMatch(Labels{"lx": "curriedValue1"}), 0; got != want {
		t.Errorf("got %v, want %v", got, want)
	}

	// Try to delete valid label with nonexistent value from curried vector.
	if got, want := curriedVec.DeletePartialMatch(Labels{"l1": "badValue1"}), 0; got != want {
		t.Errorf("got %v, want %v", got, want)
	}

	// Try to delete from a curried vector based on labels which were curried.
	// This operation succeeds when run against the base vector below.
	if got, want := curriedVec.DeletePartialMatch(Labels{"l2": "curriedValue2"}), 0; got != want {
		t.Errorf("got %v, want %v", got, want)
	}

	// Try to delete from a curried vector based on labels which were curried,
	// but the value actually exists in the base vector.
	if got, want := curriedVec.DeletePartialMatch(Labels{"l2": "baseValue2"}), 0; got != want {
		t.Errorf("got %v, want %v", got, want)
	}

	// Delete multiple matching metrics from a curried vector based on partial values.
	if got, want := curriedVec.DeletePartialMatch(Labels{"l1": "curriedValue1"}), 2; got != want {
		t.Errorf("got %v, want %v", got, want)
	}

	// Try to delete nonexistent label with existent value from base vector.
	if got, want := baseVec.DeletePartialMatch(Labels{"lx": "curriedValue1"}), 0; got != want {
		t.Errorf("got %v, want %v", got, want)
	}

	// Try to delete partially invalid labels from base vector.
	if got, want := baseVec.DeletePartialMatch(Labels{"l1": "baseValue1", "l2": "badValue2"}), 0; got != want {
		t.Errorf("got %v, want %v", got, want)
	}