name:         "nothing scheduled, nothing requested (default - least requested nodes have priority)",
			requestedPod: st.MakePod().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": "4000", "memory": "10000"}).Obj(),
			},
			existingPods: []*v1.Pod{
				st.MakePod().Node("node1").Obj(),

			pod: st.MakePod().Name("p").SpreadConstraint(1, "zone", v1.DoNotSchedule, fooSelector, nil, nil, nil, nil).
				Obj(),
			oldNode:      st.MakeNode().Name("node-a").Label("zone", "zone1").Obj(),
			newNode:      st.MakeNode().Name("node-a").Label("zone", "zone2").Obj(),
			expectedHint: framework.Queue,
		},
		{
			name: "node that doesn't match topologySpreadConstraints updates non-related label",

				0,
			},
		},
		{
			name: "local volumes with close capacity are preferred",
			pod:  makePod("pod-a").withPVCVolume("pvc-a", "").Pod,
			nodes: []*v1.Node{
				makeNode("node-a").Node,
				makeNode("node-b").Node,
				makeNode("node-c").Node,
			},
			pvcs: []*v1.PersistentVolumeClaim{
				makePVC("pvc-a", waitSC.Name).withRequestStorage(resource.MustParse("50Gi")).PersistentVolumeClaim,
			},

			// CPU Fraction: 0 / 4000 = 0 %
			// Memory Fraction: 0 / 10000 = 0%
			// Node2 Score: (1-0) * MaxNodeScore = MaxNodeScore
			pod:          st.MakePod().Obj(),
			nodes:        []*v1.Node{makeNode("node1", 4000, 10000, nil), makeNode("node2", 4000, 10000, nil)},
			expectedList: []framework.NodeScore{{Name: "node1", Score: framework.MaxNodeScore}, {Name: "node2", Score: framework.MaxNodeScore}},

	}{
		{
			name:       "no specific changed applied",
			newNode:    st.MakeNode().Unschedulable(false).Obj(),
			oldNode:    st.MakeNode().Unschedulable(false).Obj(),
			wantEvents: nil,
		},
		{
			name:       "only node spec unavailable changed",
			newNode:    st.MakeNode().Unschedulable(false).Obj(),
			oldNode:    st.MakeNode().Unschedulable(true).Obj(),

			name:         "nothing scheduled, nothing requested",
			requestedPod: st.MakePod().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": "4000", "memory": "10000"}).Obj(),
			},
			existingPods:   nil,

			// Node2 Score: (0 + 0) / 2 = 0
			name:         "nothing scheduled, nothing requested",
			requestedPod: st.MakePod().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": "4000", "memory": "10000"}).Obj(),
			},
			existingPods:   nil,

			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,
		},

	// Should return 200 "OK" irrespective of node syncs
	hs.SyncNode(makeNode(tweakTainted("other")))
	testHTTPHandler(hsTest, http.StatusOK, t)

	// Should return 200 "OK" irrespective of node syncs
	hs.SyncNode(makeNode(tweakTainted(ToBeDeletedTaint)))
	testHTTPHandler(hsTest, http.StatusOK, t)

	// Should return 200 "OK" irrespective of node syncs
	hs.SyncNode(makeNode(tweakTainted("other")))
	testHTTPHandler(hsTest, http.StatusOK, t)

		initPods           []*v1.Pod
		numViolatingVictim int
		expected           [][]Candidate
	}{
		{
			name: "no pdb violation",
			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{