nodePortAvailable.Set(0)
	nodePortAllocations.Reset()
	nodePortAllocationErrors.Reset()
}

type testMetrics struct {
	free      float64
	used      float64
	allocated float64
	errors    float64
}

func expectMetrics(t *testing.T, em testMetrics) {
	var m testMetrics
	var err error
	m.free, err = testutil.GetGaugeMetricValue(nodePortAvailable)
	if err != nil {

	Reset() []metrics.Registerable
}

func TestMetrics(t *testing.T) {
	featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, apiextensionsfeatures.CRDValidationRatcheting, true)

	// Wrap metric to keep time constant
	testMetrics := &fakeMetrics{original: validation.Metrics}
	validation.Metrics = testMetrics
	defer func() {
		validation.Metrics = testMetrics.original
	}()

	metricNames := []string{

	if volPath != filepath.Join(basePath, "pods/poduid/volumes/kubernetes.io~empty-dir/vol1") {
		t.Errorf("Got unexpected path: %s", volPath)
	}
}

// TestMetrics tests that MetricProvider methods return sane values.
func TestMetrics(t *testing.T) {
	// Create an empty temp directory for the volume
	tmpDir, err := utiltesting.MkTmpdir("empty_dir_test")
	if err != nil {
		t.Fatalf("Can't make a tmp dir: %v", err)