func TestOverlappingRCs(t *testing.T) {
	c := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	for i := 0; i < 5; i++ {
		manager := NewReplicationManager(c, controller.NoResyncPeriodFunc, 10)
		manager.podStoreSynced = alwaysReady

		// Create 10 rcs, shuffled them randomly and insert them into the rc manager's store
		var controllers []*api.ReplicationController
		for j := 1; j < 10; j++ {
			controllerSpec := newReplicationController(1)
			controllerSpec.CreationTimestamp = unversioned.Date(2014, time.December, j, 0, 0, 0, 0, time.Local)
			controllerSpec.Name = string(util.NewUUID())
			controllers = append(controllers, controllerSpec)
		}
		shuffledControllers := shuffle(controllers)
		for j := range shuffledControllers {
			manager.rcStore.Store.Add(shuffledControllers[j])
		}
		// Add a pod and make sure only the oldest rc is synced
		pods := newPodList(nil, 1, api.PodPending, controllers[0])
		rcKey := getKey(controllers[0], t)

		manager.addPod(&pods.Items[0])
		queueRC, _ := manager.queue.Get()
		if queueRC != rcKey {
			t.Fatalf("Expected to find key %v in queue, found %v", rcKey, queueRC)
		}
	}
}

func TestSyncEndpointsItemsPreexistingIdentical(t *testing.T) {
	ns := api.NamespaceDefault
	testServer, endpointsHandler := makeTestServer(t, api.NamespaceDefault,
		serverResponse{http.StatusOK, &api.Endpoints{
			ObjectMeta: api.ObjectMeta{
				ResourceVersion: "1",
				Name:            "foo",
				Namespace:       ns,
			},
			Subsets: []api.EndpointSubset{{
				Addresses: []api.EndpointAddress{{IP: "1.2.3.4", TargetRef: &api.ObjectReference{Kind: "Pod", Name: "pod0", Namespace: ns}}},
				Ports:     []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
			}},
		}})
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	client := clientset.NewForConfigOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	endpoints := NewEndpointController(client, controller.NoResyncPeriodFunc)
	addPods(endpoints.podStore.Store, api.NamespaceDefault, 1, 1, 0)
	endpoints.serviceStore.Store.Add(&api.Service{
		ObjectMeta: api.ObjectMeta{Name: "foo", Namespace: api.NamespaceDefault},
		Spec: api.ServiceSpec{
			Selector: map[string]string{"foo": "bar"},
			Ports:    []api.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
		},
	})
	endpoints.syncService(ns + "/foo")
	endpointsHandler.ValidateRequest(t, testapi.Default.ResourcePath("endpoints", api.NamespaceDefault, "foo"), "GET", nil)
}

func TestDSManagerInit(t *testing.T) {
	// Insert a stable daemon set and make sure we don't create an extra pod
	// for the one node which already has a daemon after a simulated restart.
	ds := newDaemonSet("test")
	ds.Status = extensions.DaemonSetStatus{
		CurrentNumberScheduled: 1,
		NumberMisscheduled:     0,
		DesiredNumberScheduled: 1,
	}
	nodeName := "only-node"
	podList := &api.PodList{
		Items: []api.Pod{
			*newPod("podname", nodeName, simpleDaemonSetLabel),
		}}
	response := runtime.EncodeOrDie(testapi.Default.Codec(), podList)
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: response,
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()

	clientset := clientset.NewForConfigOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewDaemonSetsController(clientset, controller.NoResyncPeriodFunc)
	manager.dsStore.Add(ds)
	manager.nodeStore.Add(newNode(nodeName, nil))
	manager.podStoreSynced = alwaysReady
	controller.SyncAllPodsWithStore(manager.kubeClient, manager.podStore.Store)

	fakePodControl := &controller.FakePodControl{}
	manager.podControl = fakePodControl
	manager.syncHandler(getKey(ds, t))
	validateSyncDaemonSets(t, fakePodControl, 0, 0)
}

func TestDeleteFinalStateUnknown(t *testing.T) {
	client := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	fakePodControl := controller.FakePodControl{}
	manager := NewReplicaSetController(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady
	manager.podControl = &fakePodControl

	received := make(chan string)
	manager.syncHandler = func(key string) error {
		received <- key
		return nil
	}

	// The DeletedFinalStateUnknown object should cause the ReplicaSet manager to insert
	// the controller matching the selectors of the deleted pod into the work queue.
	labelMap := map[string]string{"foo": "bar"}
	rsSpec := newReplicaSet(1, labelMap)
	manager.rsStore.Store.Add(rsSpec)
	pods := newPodList(nil, 1, api.PodRunning, labelMap, rsSpec)
	manager.deletePod(cache.DeletedFinalStateUnknown{Key: "foo", Obj: &pods.Items[0]})

	go manager.worker()

	expected := getKey(rsSpec, t)
	select {
	case key := <-received:
		if key != expected {
			t.Errorf("Unexpected sync all for ReplicaSet %v, expected %v", key, expected)
		}
	case <-time.After(util.ForeverTestTimeout):
		t.Errorf("Processing DeleteFinalStateUnknown took longer than expected")
	}
}

func TestSyncEndpointsItemsPreserveNoSelector(t *testing.T) {
	ns := api.NamespaceDefault
	testServer, endpointsHandler := makeTestServer(t, ns,
		serverResponse{http.StatusOK, &api.Endpoints{
			ObjectMeta: api.ObjectMeta{
				Name:            "foo",
				Namespace:       ns,
				ResourceVersion: "1",
			},
			Subsets: []api.EndpointSubset{{
				Addresses: []api.EndpointAddress{{IP: "6.7.8.9"}},
				Ports:     []api.EndpointPort{{Port: 1000}},
			}},
		}})
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	client := clientset.NewForConfigOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	endpoints := NewEndpointController(client, controller.NoResyncPeriodFunc)
	endpoints.serviceStore.Store.Add(&api.Service{
		ObjectMeta: api.ObjectMeta{Name: "foo", Namespace: ns},
		Spec:       api.ServiceSpec{Ports: []api.ServicePort{{Port: 80}}},
	})
	endpoints.syncService(ns + "/foo")
	endpointsHandler.ValidateRequestCount(t, 0)
}

// TestSyncJobExpectations tests that a pod cannot sneak in between counting active pods
// and checking expectations.
func TestSyncJobExpectations(t *testing.T) {
	clientset := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewJobController(clientset, controller.NoResyncPeriodFunc)
	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl
	manager.podStoreSynced = alwaysReady
	manager.updateHandler = func(job *extensions.Job) error { return nil }

	job := newJob(2, 2)
	manager.jobStore.Store.Add(job)
	pods := newPodList(2, api.PodPending, job)
	manager.podStore.Store.Add(&pods[0])

	manager.expectations = FakeJobExpectations{
		controller.NewControllerExpectations(), true, func() {
			// If we check active pods before checking expectataions, the job
			// will create a new replica because it doesn't see this pod, but
			// has fulfilled its expectations.
			manager.podStore.Store.Add(&pods[1])
		},
	}
	manager.syncJob(getKey(job, t))
	if len(fakePodControl.Templates) != 0 {
		t.Errorf("Unexpected number of creates.  Expected %d, saw %d\n", 0, len(fakePodControl.Templates))
	}
	if len(fakePodControl.DeletePodName) != 0 {
		t.Errorf("Unexpected number of deletes.  Expected %d, saw %d\n", 0, len(fakePodControl.DeletePodName))
	}
}

func TestRSManagerNotReady(t *testing.T) {
	client := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	fakePodControl := controller.FakePodControl{}
	manager := NewReplicaSetController(client, controller.NoResyncPeriodFunc, 2)
	manager.podControl = &fakePodControl
	manager.podStoreSynced = func() bool { return false }

	// Simulates the ReplicaSet reflector running before the pod reflector. We don't
	// want to end up creating replicas in this case until the pod reflector
	// has synced, so the ReplicaSet controller should just requeue the ReplicaSet.
	rsSpec := newReplicaSet(1, map[string]string{"foo": "bar"})
	manager.rsStore.Store.Add(rsSpec)

	rsKey := getKey(rsSpec, t)
	manager.syncReplicaSet(rsKey)
	validateSyncReplicaSet(t, &fakePodControl, 0, 0)
	queueRS, _ := manager.queue.Get()
	if queueRS != rsKey {
		t.Fatalf("Expected to find key %v in queue, found %v", rsKey, queueRS)
	}

	manager.podStoreSynced = alwaysReady
	manager.syncReplicaSet(rsKey)
	validateSyncReplicaSet(t, &fakePodControl, 1, 0)
}

// TestRSSyncExpectations tests that a pod cannot sneak in between counting active pods
// and checking expectations.
func TestRSSyncExpectations(t *testing.T) {
	client := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	fakePodControl := controller.FakePodControl{}
	manager := NewReplicaSetController(client, controller.NoResyncPeriodFunc, 2)
	manager.podStoreSynced = alwaysReady
	manager.podControl = &fakePodControl

	labelMap := map[string]string{"foo": "bar"}
	rsSpec := newReplicaSet(2, labelMap)
	manager.rsStore.Store.Add(rsSpec)
	pods := newPodList(nil, 2, api.PodPending, labelMap, rsSpec)
	manager.podStore.Store.Add(&pods.Items[0])
	postExpectationsPod := pods.Items[1]

	manager.expectations = FakeRSExpectations{
		controller.NewControllerExpectations(), true, func() {
			// If we check active pods before checking expectataions, the
			// ReplicaSet will create a new replica because it doesn't see
			// this pod, but has fulfilled its expectations.
			manager.podStore.Store.Add(&postExpectationsPod)
		},
	}
	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 0, 0)
}

func TestSyncPastDeadlineJobFinished(t *testing.T) {
	clientset := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewJobController(clientset, controller.NoResyncPeriodFunc)
	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl
	manager.podStoreSynced = alwaysReady
	var actual *extensions.Job
	manager.updateHandler = func(job *extensions.Job) error {
		actual = job
		return nil
	}

	job := newJob(1, 1)
	activeDeadlineSeconds := int64(10)
	job.Spec.ActiveDeadlineSeconds = &activeDeadlineSeconds
	start := unversioned.Unix(unversioned.Now().Time.Unix()-15, 0)
	job.Status.StartTime = &start
	job.Status.Conditions = append(job.Status.Conditions, newCondition(extensions.JobFailed, "DeadlineExceeded", "Job was active longer than specified deadline"))
	manager.jobStore.Store.Add(job)
	err := manager.syncJob(getKey(job, t))
	if err != nil {
		t.Errorf("Unexpected error when syncing jobs %v", err)
	}
	if len(fakePodControl.Templates) != 0 {
		t.Errorf("Unexpected number of creates.  Expected %d, saw %d\n", 0, len(fakePodControl.Templates))
	}
	if len(fakePodControl.DeletePodName) != 0 {
		t.Errorf("Unexpected number of deletes.  Expected %d, saw %d\n", 0, len(fakePodControl.DeletePodName))
	}
	if actual != nil {
		t.Error("Unexpected job modification")
	}
}

// NewMasterComponents creates, initializes and starts master components based on the given config.
func NewMasterComponents(c *Config) *MasterComponents {
	m, s := startMasterOrDie(c.MasterConfig)
	// TODO: Allow callers to pipe through a different master url and create a client/start components using it.
	glog.Infof("Master %+v", s.URL)
	if c.DeleteEtcdKeys {
		DeleteAllEtcdKeys()
	}
	// TODO: caesarxuchao: remove this client when the refactoring of client libraray is done.
	restClient := client.NewOrDie(&client.Config{Host: s.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}, QPS: c.QPS, Burst: c.Burst})
	clientset := clientset.NewForConfigOrDie(&client.Config{Host: s.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}, QPS: c.QPS, Burst: c.Burst})
	rcStopCh := make(chan struct{})
	controllerManager := replicationcontroller.NewReplicationManager(clientset, controller.NoResyncPeriodFunc, c.Burst)

	// TODO: Support events once we can cleanly shutdown an event recorder.
	controllerManager.SetEventRecorder(&record.FakeRecorder{})
	if c.StartReplicationManager {
		go controllerManager.Run(goruntime.NumCPU(), rcStopCh)
	}
	var once sync.Once
	return &MasterComponents{
		ApiServer:         s,
		KubeMaster:        m,
		RestClient:        restClient,
		ControllerManager: controllerManager,
		rcStopCh:          rcStopCh,
		once:              once,
	}
}

func (c *Client) Setup(t *testing.T) *Client {
	c.handler = &utiltesting.FakeHandler{
		StatusCode: c.Response.StatusCode,
	}
	if responseBody := body(t, c.Response.Body, c.Response.RawBody); responseBody != nil {
		c.handler.ResponseBody = *responseBody
	}
	c.server = httptest.NewServer(c.handler)
	if c.Client == nil {
		c.Client = client.NewOrDie(&client.Config{
			Host:          c.server.URL,
			ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()},
		})

		// TODO: caesarxuchao: hacky way to specify version of Experimental client.
		// We will fix this by supporting multiple group versions in Config
		c.ExtensionsClient = client.NewExtensionsOrDie(&client.Config{
			Host:          c.server.URL,
			ContentConfig: client.ContentConfig{GroupVersion: testapi.Extensions.GroupVersion()},
		})

		c.Clientset = clientset.NewForConfigOrDie(&client.Config{Host: c.server.URL})
	}
	c.QueryValidator = map[string]func(string, string) bool{}
	return c
}

func TestCheckLeftoverEndpoints(t *testing.T) {
	ns := api.NamespaceDefault
	// Note that this requests *all* endpoints, therefore the NamespaceAll
	// below.
	testServer, _ := makeTestServer(t, api.NamespaceAll,
		serverResponse{http.StatusOK, &api.EndpointsList{
			ListMeta: unversioned.ListMeta{
				ResourceVersion: "1",
			},
			Items: []api.Endpoints{{
				ObjectMeta: api.ObjectMeta{
					Name:            "foo",
					Namespace:       ns,
					ResourceVersion: "1",
				},
				Subsets: []api.EndpointSubset{{
					Addresses: []api.EndpointAddress{{IP: "6.7.8.9"}},
					Ports:     []api.EndpointPort{{Port: 1000}},
				}},
			}},
		}})
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	client := clientset.NewForConfigOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	endpoints := NewEndpointController(client, controller.NoResyncPeriodFunc)
	endpoints.checkLeftoverEndpoints()

	if e, a := 1, endpoints.queue.Len(); e != a {
		t.Fatalf("Expected %v, got %v", e, a)
	}
	got, _ := endpoints.queue.Get()
	if e, a := ns+"/foo", got; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
}

func TestOverlappingRSs(t *testing.T) {
	client := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	labelMap := map[string]string{"foo": "bar"}

	for i := 0; i < 5; i++ {
		manager := NewReplicaSetController(client, controller.NoResyncPeriodFunc, 10)
		manager.podStoreSynced = alwaysReady

		// Create 10 ReplicaSets, shuffled them randomly and insert them into the ReplicaSet controller's store
		var controllers []*extensions.ReplicaSet
		for j := 1; j < 10; j++ {
			rsSpec := newReplicaSet(1, labelMap)
			rsSpec.CreationTimestamp = unversioned.Date(2014, time.December, j, 0, 0, 0, 0, time.Local)
			rsSpec.Name = string(util.NewUUID())
			controllers = append(controllers, rsSpec)
		}
		shuffledControllers := shuffle(controllers)
		for j := range shuffledControllers {
			manager.rsStore.Store.Add(shuffledControllers[j])
		}
		// Add a pod and make sure only the oldest ReplicaSet is synced
		pods := newPodList(nil, 1, api.PodPending, labelMap, controllers[0])
		rsKey := getKey(controllers[0], t)

		manager.addPod(&pods.Items[0])
		queueRS, _ := manager.queue.Get()
		if queueRS != rsKey {
			t.Fatalf("Expected to find key %v in queue, found %v", rsKey, queueRS)
		}
	}
}

func TestPodControllerLookup(t *testing.T) {
	manager := NewReplicaSetController(clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}}), controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady
	testCases := []struct {
		inRSs     []*extensions.ReplicaSet
		pod       *api.Pod
		outRSName string
	}{
		// pods without labels don't match any ReplicaSets
		{
			inRSs: []*extensions.ReplicaSet{
				{ObjectMeta: api.ObjectMeta{Name: "basic"}}},
			pod:       &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo1", Namespace: api.NamespaceAll}},
			outRSName: "",
		},
		// Matching labels, not namespace
		{
			inRSs: []*extensions.ReplicaSet{
				{
					ObjectMeta: api.ObjectMeta{Name: "foo"},
					Spec: extensions.ReplicaSetSpec{
						Selector: &extensions.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
					},
				},
			},
			pod: &api.Pod{
				ObjectMeta: api.ObjectMeta{
					Name: "foo2", Namespace: "ns", Labels: map[string]string{"foo": "bar"}}},
			outRSName: "",
		},
		// Matching ns and labels returns the key to the ReplicaSet, not the ReplicaSet name
		{
			inRSs: []*extensions.ReplicaSet{
				{
					ObjectMeta: api.ObjectMeta{Name: "bar", Namespace: "ns"},
					Spec: extensions.ReplicaSetSpec{
						Selector: &extensions.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
					},
				},
			},
			pod: &api.Pod{
				ObjectMeta: api.ObjectMeta{
					Name: "foo3", Namespace: "ns", Labels: map[string]string{"foo": "bar"}}},
			outRSName: "bar",
		},
	}
	for _, c := range testCases {
		for _, r := range c.inRSs {
			manager.rsStore.Add(r)
		}
		if rs := manager.getPodReplicaSet(c.pod); rs != nil {
			if c.outRSName != rs.Name {
				t.Errorf("Got replica set %+v expected %+v", rs.Name, c.outRSName)
			}
		} else if c.outRSName != "" {
			t.Errorf("Expected a replica set %v pod %v, found none", c.outRSName, c.pod.Name)
		}
	}
}

func newTestController() (*DaemonSetsController, *controller.FakePodControl) {
	clientset := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewDaemonSetsController(clientset, controller.NoResyncPeriodFunc)
	manager.podStoreSynced = alwaysReady
	podControl := &controller.FakePodControl{}
	manager.podControl = podControl
	return manager, podControl
}

func TestSyncReplicaSetDormancy(t *testing.T) {
	// Setup a test server so we can lie about the current state of pods
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: "",
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()
	client := clientset.NewForConfigOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	fakePodControl := controller.FakePodControl{}
	manager := NewReplicaSetController(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady
	manager.podControl = &fakePodControl

	labelMap := map[string]string{"foo": "bar"}
	rsSpec := newReplicaSet(2, labelMap)
	manager.rsStore.Store.Add(rsSpec)
	newPodList(manager.podStore.Store, 1, api.PodRunning, labelMap, rsSpec)

	// Creates a replica and sets expectations
	rsSpec.Status.Replicas = 1
	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 1, 0)

	// Expectations prevents replicas but not an update on status
	rsSpec.Status.Replicas = 0
	fakePodControl.Clear()
	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 0, 0)

	// Get the key for the controller
	rsKey, err := controller.KeyFunc(rsSpec)
	if err != nil {
		t.Errorf("Couldn't get key for object %+v: %v", rsSpec, err)
	}

	// Lowering expectations should lead to a sync that creates a replica, however the
	// fakePodControl error will prevent this, leaving expectations at 0, 0
	manager.expectations.CreationObserved(rsKey)
	rsSpec.Status.Replicas = 1
	fakePodControl.Clear()
	fakePodControl.Err = fmt.Errorf("Fake Error")

	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 0, 0)

	// This replica should not need a Lowering of expectations, since the previous create failed
	fakePodControl.Err = nil
	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 1, 0)

	// 1 PUT for the ReplicaSet status during dormancy window.
	// Note that the pod creates go through pod control so they're not recorded.
	fakeHandler.ValidateRequestCount(t, 1)
}

func TestSyncReplicationControllerCreates(t *testing.T) {
	c := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicationManager(c, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	// A controller with 2 replicas and no pods in the store, 2 creates expected
	rc := newReplicationController(2)
	manager.rcStore.Store.Add(rc)

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl
	manager.syncReplicationController(getKey(rc, t))
	validateSyncReplication(t, &fakePodControl, 2, 0)
}

func TestSyncReplicationControllerDoesNothing(t *testing.T) {
	c := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	fakePodControl := controller.FakePodControl{}
	manager := NewReplicationManager(c, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	// 2 running pods, a controller with 2 replicas, sync is a no-op
	controllerSpec := newReplicationController(2)
	manager.rcStore.Store.Add(controllerSpec)
	newPodList(manager.podStore.Store, 2, api.PodRunning, controllerSpec)

	manager.podControl = &fakePodControl
	manager.syncReplicationController(getKey(controllerSpec, t))
	validateSyncReplication(t, &fakePodControl, 0, 0)
}

func TestSyncReplicaSetCreates(t *testing.T) {
	client := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicaSetController(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	// A controller with 2 replicas and no pods in the store, 2 creates expected
	labelMap := map[string]string{"foo": "bar"}
	rs := newReplicaSet(2, labelMap)
	manager.rsStore.Store.Add(rs)

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl
	manager.syncReplicaSet(getKey(rs, t))
	validateSyncReplicaSet(t, &fakePodControl, 2, 0)
}

func TestSyncReplicationControllerDeletes(t *testing.T) {
	c := clientset.NewForConfigOrDie(&client.Config{Host: "", ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	fakePodControl := controller.FakePodControl{}
	manager := NewReplicationManager(c, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady
	manager.podControl = &fakePodControl

	// 2 running pods and a controller with 1 replica, one pod delete expected
	controllerSpec := newReplicationController(1)
	manager.rcStore.Store.Add(controllerSpec)
	newPodList(manager.podStore.Store, 2, api.PodRunning, controllerSpec)

	manager.syncReplicationController(getKey(controllerSpec, t))
	validateSyncReplication(t, &fakePodControl, 0, 1)
}