pod:          st.MakePod().Name("p").PodAffinityIn("service", "region", []string{"securityscan", "value2"}, st.PodAffinityWithRequiredReq).Obj(),
			newPod:       st.MakePod().Label("service", "securityscan").Obj(),
			oldPod:       st.MakePod().Label("service", "securityscan").Obj(),
			expectedHint: framework.QueueSkip,
		},
		{
			name:         "update a pod from match to non-match the pod affinity",

		},
		"insufficient resource": {
			pod:      st.MakePod().Req(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Obj(),
			node:     st.MakeNode().Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "1"}).Obj(),
			expected: false,
		},
		"sufficient resource": {
			pod:      st.MakePod().Req(map[v1.ResourceName]string{v1.ResourceCPU: "1"}).Obj(),
			node:     st.MakeNode().Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Obj(),

			pod:  st.MakePod().Name("p").UID("p").Namespace(v1.NamespaceDefault).Priority(highPriority).Obj(),
			pods: []*v1.Pod{
				st.MakePod().Name("p1").UID("p1").Namespace(v1.NamespaceDefault).Node("node1").Obj(),
				st.MakePod().Name("p2").UID("p2").Namespace(v1.NamespaceDefault).Node("node2").Obj(),
			},
			nodes: []*v1.Node{
				st.MakeNode().Name("node1").Capacity(onePodRes).Obj(),

			nodes: []*v1.Node{
				st.MakeNode().Name("node1").Capacity(veryLargeRes).Obj(),
				st.MakeNode().Name("node2").Capacity(veryLargeRes).Obj(),
			},
			testPods: []*v1.Pod{
				st.MakePod().Name("p").UID("p").Priority(highPriority).Obj(),
			},
			initPods: []*v1.Pod{
				st.MakePod().Name("p1").UID("p1").Node("node1").Priority(midPriority).Obj(),

	}{
		{
			pod:  &v1.Pod{},
			node: &v1.Node{},
			name: "no host specified",
		},
		{
			pod:  st.MakePod().Node("foo").Obj(),
			node: st.MakeNode().Name("foo").Obj(),
			name: "host matches",
		},
		{
			pod:        st.MakePod().Node("bar").Obj(),
			node:       st.MakeNode().Name("foo").Obj(),
			name:       "host doesn't match",

	nodes := []runtime.Object{
		st.MakeNode().Name("node1").UID("node1").Obj(),
		st.MakeNode().Name("node2").UID("node2").Obj(),
		st.MakeNode().Name("node3").UID("node3").Obj(),
	}
	pods := []*v1.Pod{
		st.MakePod().Name("pod1").UID("pod1").SchedulerName("match-node3").Obj(),
		st.MakePod().Name("pod2").UID("pod2").SchedulerName("match-node2").Obj(),
		st.MakePod().Name("pod3").UID("pod3").SchedulerName("match-node2").Obj(),

			pod:          podWithNodeAffinity.Obj(),
			newObj:       st.MakeNode().Label("foo", "bar").Obj(),
			expectedHint: framework.Queue,
		},
		"skip-unrelated-changes": {
			args:         &config.NodeAffinityArgs{},
			pod:          podWithNodeAffinity.Obj(),
			oldObj:       st.MakeNode().Obj(),
			newObj:       st.MakeNode().Capacity(nil).Obj(),
			expectedHint: framework.QueueSkip,
		},

	// build nodes
	for i := 0; i < allNodesNum; i++ {
		node := MakeNode().Name(fmt.Sprintf("node%d", i)).
			Label(v1.LabelTopologyZone, fmt.Sprintf("zone%d", i%zones)).
			Label(v1.LabelHostname, fmt.Sprintf("node%d", i)).Obj()
		allNodes = append(allNodes, node)
	}
	filteredNodes = allNodes[:filteredNodesNum]
	// build pods
	for i := 0; i < existingPodsNum; i++ {

	"k8s.io/apimachinery/pkg/api/resource"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/component-helpers/storage/volume"
	"k8s.io/utils/ptr"
)

type nodeBuilder struct {
	*v1.Node
}

func makeNode(name string) nodeBuilder {
	return nodeBuilder{Node: &v1.Node{
		ObjectMeta: metav1.ObjectMeta{
			Name: name,
			Labels: map[string]string{
				v1.LabelHostname: name,
			},
		},
	}}
}

	topoMismatchClass        = "topoMismatchClass"

	// 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