Obj(),
			nodes: []*v1.Node{
				st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
				st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000"}).Obj(),
			},
			existingPods: []*v1.Pod{
				st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "4000"}).Obj(),

	// nodes objects
	node1         = makeNode("node1").withLabel(nodeLabelKey, "node1").Node
	node2         = makeNode("node2").withLabel(nodeLabelKey, "node2").Node
	node1NoLabels = makeNode("node1").Node
	node1Zone1    = makeNode("node1").withLabel("topology.gke.io/zone", "us-east-1").Node
	node1Zone2    = makeNode("node1").withLabel("topology.gke.io/zone", "us-east-2").Node

	// csiNode objects

	// Act
	// Taint the node
	node3 := node2.DeepCopy()
	node3.Spec.Taints = append(node3.Spec.Taints, v1.Taint{Key: v1.TaintNodeOutOfService, Effect: v1.TaintEffectNoExecute})
	updateErr = informerFactory.Core().V1().Nodes().Informer().GetStore().Update(node3)
	if updateErr != nil {
		t.Fatalf("Update node failed. Expected: <no error> Actual: <%v>", updateErr)
	}

					"node1": NewStatus(Unschedulable, "Node(s) failed Filter plugin FalseFilter-1"),
					"node2": NewStatus(Unschedulable, "Node(s) failed Filter plugin FalseFilter-1"),
					"node3": NewStatus(Unschedulable, "Node(s) failed Filter plugin FalseFilter-1"),
				},
				PostFilterMsg: "Error running PostFilter plugin FailedPostFilter",
			},

     */
    @Nullable
    Dependency getDependency();

    /**
     * Gets the child nodes of this node.
     *
     * @return the child nodes of this node, never {@code null}
     */
    @Nonnull
    List<Node> getChildren();

    /**
     * @return repositories of this node
     */
    @Nonnull
    List<RemoteRepository> getRemoteRepositories();

    /**

	expectedNominatedPods := &nominator{
		nominatedPodToNode: map[types.UID]string{
			medPriorityPodInfo.Pod.UID:   "node1",
			highPriorityPodInfo.Pod.UID:  "node2",
			unschedulablePodInfo.Pod.UID: "node5",
		},
		nominatedPods: map[string][]*framework.PodInfo{
			"node1": {medPriorityPodInfo},
			"node2": {highPriorityPodInfo},

}

func TestOccupyPreExistingCIDR(t *testing.T) {
	// all tests operate on a single node
	testCases := []testCase{
		{
			description: "success, single stack no node allocation",
			fakeNodeHandler: &testutil.FakeNodeHandler{
				Existing: []*v1.Node{
					{
						ObjectMeta: metav1.ObjectMeta{
							Name: "node0",
						},
					},
				},
				Clientset: fake.NewSimpleClientset(),
			},

			Key:    "kubernetes.io/hostname",
			Values: []string{"node1", "node1"},
		}},
	}}

	topologyMultiValues := []api.TopologySelectorTerm{{
		MatchLabelExpressions: []api.TopologySelectorLabelRequirement{{
			Key:    "kubernetes.io/hostname",
			Values: []string{"node1", "node2"},
		}},
	}}

	topologyEmptyMatchLabelExpressions := []api.TopologySelectorTerm{{

	client := clientsetfake.NewSimpleClientset(
		// node1 initially has no IP address.
		makeNodeWithAddress("node1", ""),

		// node2 initially has an invalid IP address.
		makeNodeWithAddress("node2", "invalid-ip"),

		// node3 initially does not exist.
	)

	for i := range chans {
		chans[i] = make(chan error)
		ch := chans[i]
		nodeName := fmt.Sprintf("node%d", i+1)
		expectIP := fmt.Sprintf("192.168.0.%d", i+1)

	nodes = asw.GetNodesForAttachedVolume(volumeName)
	if len(nodes) != 1 {
		t.Fatalf("AddVolumeNode_Positive_NewVolumeNewNodeWithFalseAttached failed. Expect one node returned.")
	}
	if nodes[0] != nodeName {
		t.Fatalf("AddVolumeNode_Positive_NewVolumeNewNodeWithFalseAttached failed. Expect node %v, Actual node %v", nodeName, nodes[0])
	}