if len(pod.Labels) != 0 {
			for i, pdb := range pdbs {
				if pdb.Namespace != pod.Namespace {
					continue
				}
				selector, err := metav1.LabelSelectorAsSelector(pdb.Spec.Selector)
				if err != nil {
					// This object has an invalid selector, it does not match the pod
					continue
				}
				// A PDB with a nil or empty selector matches nothing.

		tc.verifyResults(t, info, timestamp, err)
	} else if isExternal {
		tc.metricLabelSelector, err = metav1.LabelSelectorAsSelector(tc.metricSelector)
		if err != nil {
			t.Errorf("invalid metric selector: %+v", tc.metricSelector)
		}
		val, timestamp, err := metricsClient.GetExternalMetric(tc.metricName, tc.namespace, tc.metricLabelSelector)

	}
}

// scaleFromDeployment returns a scale subresource for a deployment.
func scaleFromDeployment(deployment *apps.Deployment) (*autoscaling.Scale, error) {
	selector, err := metav1.LabelSelectorAsSelector(deployment.Spec.Selector)
	if err != nil {
		return nil, err
	}

	return &autoscaling.Scale{
		// TODO: Create a variant of ObjectMeta type that only contains the fields below.

}

func newAffinityTerm(pod *v1.Pod, term *v1.PodAffinityTerm) (*AffinityTerm, error) {
	selector, err := metav1.LabelSelectorAsSelector(term.LabelSelector)
	if err != nil {
		return nil, err
	}

	namespaces := getNamespacesFromPodAffinityTerm(pod, term)
	nsSelector, err := metav1.LabelSelectorAsSelector(term.NamespaceSelector)
	if err != nil {
		return nil, err
	}

		return nil, err
	}

	var pdbs []policyv1.PodDisruptionBudget
	for _, pdb := range pdbList.Items {
		if pdb.Namespace != pod.Namespace {
			continue
		}
		selector, err := metav1.LabelSelectorAsSelector(pdb.Spec.Selector)
		if err != nil {
			// This object has an invalid selector, it does not match the pod
			continue
		}
		if !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}

		t.Fatalf("error setting new replica set (key: %s) %v: %v", key, validReplicaSet, err)
	}

	selector, err := metav1.LabelSelectorAsSelector(validReplicaSet.Spec.Selector)
	if err != nil {
		t.Fatal(err)
	}

	want := &autoscaling.Scale{
		ObjectMeta: metav1.ObjectMeta{
			Name:              name,

		rsc.expectations.DeleteExpectations(logger, key)
		return nil
	}
	if err != nil {
		return err
	}

	rsNeedsSync := rsc.expectations.SatisfiedExpectations(logger, key)
	selector, err := metav1.LabelSelectorAsSelector(rs.Spec.Selector)
	if err != nil {
		utilruntime.HandleError(fmt.Errorf("error converting pod selector to selector for rs %v/%v: %v", namespace, name, err))
		return nil
	}

		t.Fatalf("error setting new deployment (key: %s) %v: %v", key, validDeployment, err)
	}

	selector, err := metav1.LabelSelectorAsSelector(validDeployment.Spec.Selector)
	if err != nil {
		t.Fatal(err)
	}
	want := &autoscaling.Scale{
		ObjectMeta: metav1.ObjectMeta{
			Name:              name,
			Namespace:         namespace,

	expectedLabels[batch.LegacyJobNameLabel] = string(obj.Name)
	// Whether manually or automatically generated, the selector of the job must match the pods it will produce.
	if selector, err := metav1.LabelSelectorAsSelector(obj.Spec.Selector); err == nil {
		if !selector.Matches(labels.Set(expectedLabels)) {
			allErrs = append(allErrs, field.Invalid(field.NewPath("spec").Child("selector"), obj.Spec.Selector, "`selector` not auto-generated"))

		return nil
	}
	if err != nil {
		utilruntime.HandleError(fmt.Errorf("unable to retrieve StatefulSet %v from store: %v", key, err))
		return err
	}

	selector, err := metav1.LabelSelectorAsSelector(set.Spec.Selector)
	if err != nil {
		utilruntime.HandleError(fmt.Errorf("error converting StatefulSet %v selector: %v", key, err))
		// This is a non-transient error, so don't retry.
		return nil
	}