Function TestCurryVecWithConstraints

prometheus/vec_test.go:473–504

(t *testing.T)

}

func TestCurryVecWithConstraints(t *testing.T) {
	constraint := func(s string) string { return "x" + s }
	t.Run("constrainedLabels overlap variableLabels", func(t *testing.T) {
		vec := V2.NewCounterVec(CounterVecOpts{
			CounterOpts{
				Name: "test",
				Help: "helpless",
			},
			ConstrainedLabels{
				{Name: "one"},
				{Name: "two"},
				{Name: "three", Constraint: constraint},
			},
		})
		testCurryVec(t, vec)
	})
	t.Run("constrainedLabels reducing cardinality", func(t *testing.T) {
		constraint := func(s string) string { return "x" }
		vec := V2.NewCounterVec(CounterVecOpts{
			CounterOpts{
				Name: "test",
				Help: "helpless",
			},
			ConstrainedLabels{
				{Name: "one"},
				{Name: "two"},
				{Name: "three", Constraint: constraint},
			},
		})
		testConstrainedCurryVec(t, vec, constraint)
	})
}

func testCurryVec(t *testing.T, vec *CounterVec) {
	assertMetrics := func(t *testing.T) {