rc := newReplicationController(0)
	podList := newPodList(nil, 7, v1.PodRunning, rc)
	podList.Items[0].Status.Phase = v1.PodSucceeded
	podList.Items[1].Status.Phase = v1.PodFailed
	podList.Items[2].Status.Phase = v1.PodPending
	podList.Items[2].SetDeletionTimestamp(&now)
	podList.Items[3].Status.Phase = v1.PodRunning
	podList.Items[3].SetDeletionTimestamp(&now)
	var podPointers []*v1.Pod

	testUserNsPodsManager := &testUserNsPodsManager{
		podDir: t.TempDir(),
		// List the same pods we will record, so the second time we create the userns
		// manager, it will find these pods on disk with userns data.
		podList: pods,
	}
	m, err := MakeUserNsManager(testUserNsPodsManager)
	require.NoError(t, err)

	// Record the pods on disk.
	for _, podUID := range pods {
		pod := v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: podUID}}

	client, err := ctx.CLIClient()
	if err != nil {
		return nil, err
	}
	ns := ctx.NamespaceOrDefault(ctx.Namespace())
	podList, err := client.Kube().CoreV1().Pods(ns).List(context.Background(), metav1.ListOptions{})
	if err != nil {
		return nil, err
	}

	var podsName []string
	for _, pod := range podList.Items {
		if toComplete == "" || strings.HasPrefix(pod.Name, toComplete) {
			podsName = append(podsName, pod.Name)
		}
	}

	backingStorage := &dummyStorage{
		getListFn: func(_ context.Context, _ string, _ storage.ListOptions, listObj runtime.Object) error {
			podList := listObj.(*example.PodList)
			var err error
			switch listCalls {
			case 0:
				podList.ListMeta = metav1.ListMeta{ResourceVersion: "1"}
			case 1:
				podList.ListMeta = metav1.ListMeta{ResourceVersion: "10"}
			default:
				err = fmt.Errorf("unexpected list call")
			}
			listCalls++

			newListObjectFunc: func() runtime.Object { return &examplev1.PodList{} },
		},
		{
			name:              "pick 500 pods out of 5000 pod",
			objectNum:         5000,
			expectNum:         500,
			selector:          labels.SelectorFromSet(map[string]string{"foo": "bar"}),
			newObjectFunc:     generateBigPod,
			newListObjectFunc: func() runtime.Object { return &examplev1.PodList{} },
		},
		{

	}
	return m.podDir
}

func (m *testUserNsPodsManager) ListPodsFromDisk() ([]types.UID, error) {
	if len(m.podList) == 0 {
		return nil, nil
	}
	return m.podList, nil
}

func (m *testUserNsPodsManager) HandlerSupportsUserNamespaces(runtimeHandler string) (bool, error) {
	if runtimeHandler == "error" {
		return false, errors.New("unknown runtime")
	}
	return m.userns, nil
}

}

func benchmarkItems(b *testing.B, file string, n int) *v1.PodList {
	pod := v1.Pod{}
	f, err := os.Open(file)
	if err != nil {
		b.Fatalf("Failed to open %q: %v", file, err)
	}
	defer f.Close()
	err = json.NewDecoder(f).Decode(&pod)
	if err != nil {
		b.Fatalf("Failed to decode %q: %v", file, err)
	}

	list := &v1.PodList{
		Items: make([]v1.Pod, n),
	}

			ctx, cancel := context.WithCancel(context.Background())
			fakeClientset := fake.NewSimpleClientset(&corev1.PodList{Items: []corev1.Pod{*item.pod}})
			controller, podIndexer, _ := setupNewController(ctx, fakeClientset)
			controller.recorder = testutil.NewFakeRecorder()
			go controller.Run(ctx)

	result3 := example.PodList{}
	if err := store.GetList(ctx, "/pods", options, &result3); err != nil {
		t.Fatalf("failed to list objects: %v", err)
	}

	options.ResourceVersion = result3.ResourceVersion
	options.ResourceVersionMatch = metav1.ResourceVersionMatchExact

	result4 := example.PodList{}
	if err := store.GetList(ctx, "/pods", options, &result4); err != nil {

		response.WriteError(http.StatusBadRequest, err)
		return
	}
}

// encodePods creates an v1.PodList object from pods and returns the encoded
// PodList.
func encodePods(pods []*v1.Pod) (data []byte, err error) {
	podList := new(v1.PodList)
	for _, pod := range pods {
		podList.Items = append(podList.Items, *pod)
	}
	// TODO: this needs to be parameterized to the kubelet, not hardcoded. Depends on Kubelet