Exemplo n.º 1
0
func TestDoRequestNewWay(t *testing.T) {
	reqBody := "request body"
	expectedObj := &api.Service{Spec: api.ServiceSpec{Ports: []api.ServicePort{{
		Protocol:   "TCP",
		Port:       12345,
		TargetPort: intstr.FromInt(12345),
	}}}}
	expectedBody, _ := runtime.Encode(testapi.Default.Codec(), expectedObj)
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: string(expectedBody),
		T:            t,
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()
	c := testRESTClient(t, testServer)
	obj, err := c.Verb("POST").
		Prefix("foo", "bar").
		Suffix("baz").
		Timeout(time.Second).
		Body([]byte(reqBody)).
		Do().Get()
	if err != nil {
		t.Errorf("Unexpected error: %v %#v", err, err)
		return
	}
	if obj == nil {
		t.Error("nil obj")
	} else if !api.Semantic.DeepDerivative(expectedObj, obj) {
		t.Errorf("Expected: %#v, got %#v", expectedObj, obj)
	}
	requestURL := testapi.Default.ResourcePathWithPrefix("foo/bar", "", "", "baz")
	requestURL += "?timeout=1s"
	fakeHandler.ValidateRequest(t, requestURL, "POST", &reqBody)
}
Exemplo n.º 2
0
func validate(testParam TestParam, t *testing.T, body []byte, fakeHandler *utiltesting.FakeHandler) {
	switch {
	case testParam.expectingError && testParam.actualError == nil:
		t.Errorf("Expected error")
	case !testParam.expectingError && testParam.actualError != nil:
		t.Error(testParam.actualError)
	}
	if !testParam.expCreated {
		if testParam.actualCreated {
			t.Errorf("Expected object not to be created")
		}
	}
	statusOut, err := runtime.Decode(testapi.Default.Codec(), body)
	if testParam.testBody {
		if testParam.testBodyErrorIsNotNil {
			if err == nil {
				t.Errorf("Expected Error")
			}
		}
	}

	if testParam.expStatus != nil {
		if !reflect.DeepEqual(testParam.expStatus, statusOut) {
			t.Errorf("Unexpected mis-match. Expected %#v.  Saw %#v", testParam.expStatus, statusOut)
		}
	}
	fakeHandler.ValidateRequest(t, "/"+registered.GroupOrDie(api.GroupName).GroupVersion.String()+"/test", "GET", nil)

}
Exemplo n.º 3
0
func TestRateLimitedRoundTripper(t *testing.T) {
	handler := utiltesting.FakeHandler{StatusCode: 200}
	server := httptest.NewServer(&handler)
	defer server.Close()

	method := "GET"
	path := "/foo/bar"

	req, err := http.NewRequest(method, server.URL+path, nil)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	// TODO(zmerlynn): Validate the rate limiter is actually getting called.
	client := http.Client{
		Transport: &rateLimitedRoundTripper{
			rt:      http.DefaultTransport,
			limiter: flowcontrol.NewFakeAlwaysRateLimiter(),
		},
	}
	_, err = client.Do(req)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	handler.ValidateRequest(t, path, method, nil)
}
Exemplo n.º 4
0
func TestBind(t *testing.T) {
	table := []struct {
		binding *v1.Binding
	}{
		{binding: &v1.Binding{
			ObjectMeta: v1.ObjectMeta{
				Namespace: v1.NamespaceDefault,
				Name:      "foo",
			},
			Target: v1.ObjectReference{
				Name: "foohost.kubernetes.mydomain.com",
			},
		}},
	}

	for _, item := range table {
		handler := utiltesting.FakeHandler{
			StatusCode:   200,
			ResponseBody: "",
			T:            t,
		}
		server := httptest.NewServer(&handler)
		defer server.Close()
		client := clientset.NewForConfigOrDie(&restclient.Config{Host: server.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(v1.GroupName).GroupVersion}})
		b := binder{client}

		if err := b.Bind(item.binding); err != nil {
			t.Errorf("Unexpected error: %v", err)
			continue
		}
		expectedBody := runtime.EncodeOrDie(testapi.Default.Codec(), item.binding)
		handler.ValidateRequest(t, testapi.Default.ResourcePath("bindings", v1.NamespaceDefault, ""), "POST", &expectedBody)
	}
}
Exemplo n.º 5
0
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(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	fakePodControl := controller.FakePodControl{}
	manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
	manager.podStoreSynced = alwaysReady
	manager.podControl = &fakePodControl

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

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

	// Expectations prevents replicas but not an update on status
	rsSpec.Status.Replicas = 0
	rsSpec.Status.ReadyReplicas = 0
	fakePodControl.Clear()
	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 0, 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
	rsSpec.Status.ReadyReplicas = 1
	fakePodControl.Clear()
	fakePodControl.Err = fmt.Errorf("Fake Error")

	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 1, 0, 0)

	// This replica should not need a Lowering of expectations, since the previous create failed
	fakePodControl.Clear()
	fakePodControl.Err = nil
	manager.syncReplicaSet(getKey(rsSpec, t))
	validateSyncReplicaSet(t, &fakePodControl, 1, 0, 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)
}
Exemplo n.º 6
0
func TestBind(t *testing.T) {
	table := []struct {
		binding *api.Binding
	}{
		{binding: &api.Binding{
			ObjectMeta: api.ObjectMeta{
				Namespace: api.NamespaceDefault,
				Name:      "foo",
			},
			Target: api.ObjectReference{
				Name: "foohost.kubernetes.mydomain.com",
			},
		}},
	}

	for _, item := range table {
		handler := utiltesting.FakeHandler{
			StatusCode:   200,
			ResponseBody: "",
			T:            t,
		}
		server := httptest.NewServer(&handler)
		// TODO: Uncomment when fix #19254
		// defer server.Close()
		client := client.NewOrDie(&client.Config{Host: server.URL, GroupVersion: testapi.Default.GroupVersion()})
		b := binder{client}

		if err := b.Bind(item.binding); err != nil {
			t.Errorf("Unexpected error: %v", err)
			continue
		}
		expectedBody := runtime.EncodeOrDie(testapi.Default.Codec(), item.binding)
		handler.ValidateRequest(t, testapi.Default.ResourcePath("bindings", api.NamespaceDefault, ""), "POST", &expectedBody)
	}
}
func TestControllerUpdateRequeue(t *testing.T) {
	// This server should force a requeue of the controller because it fails to update status.Replicas.
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   500,
		ResponseBody: "",
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()

	c := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicationManagerFromClient(c, controller.NoResyncPeriodFunc, BurstReplicas, 0)
	manager.podStoreSynced = alwaysReady

	rc := newReplicationController(1)
	manager.rcStore.Indexer.Add(rc)
	rc.Status = api.ReplicationControllerStatus{Replicas: 2}
	newPodList(manager.podStore.Indexer, 1, api.PodRunning, rc, "pod")

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl

	// an error from the sync function will be requeued, check to make sure we returned an error
	if err := manager.syncReplicationController(getKey(rc, t)); err == nil {
		t.Errorf("missing error for requeue")
	}

	// 1 Update and 1 GET, both of which fail
	fakeHandler.ValidateRequestCount(t, 2)
}
Exemplo n.º 8
0
func TestDoRequestNewWayFile(t *testing.T) {
	reqObj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
	reqBodyExpected, err := runtime.Encode(testapi.Default.Codec(), reqObj)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	file, err := ioutil.TempFile("", "foo")
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	defer file.Close()

	_, err = file.Write(reqBodyExpected)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	expectedObj := &api.Service{Spec: api.ServiceSpec{Ports: []api.ServicePort{{
		Protocol:   "TCP",
		Port:       12345,
		TargetPort: intstr.FromInt(12345),
	}}}}
	expectedBody, _ := runtime.Encode(testapi.Default.Codec(), expectedObj)
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: string(expectedBody),
		T:            t,
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	c := testRESTClient(t, testServer)
	wasCreated := true
	obj, err := c.Verb("POST").
		Prefix("foo/bar", "baz").
		Timeout(time.Second).
		Body(file.Name()).
		Do().WasCreated(&wasCreated).Get()
	if err != nil {
		t.Errorf("Unexpected error: %v %#v", err, err)
		return
	}
	if obj == nil {
		t.Error("nil obj")
	} else if !api.Semantic.DeepDerivative(expectedObj, obj) {
		t.Errorf("Expected: %#v, got %#v", expectedObj, obj)
	}
	if wasCreated {
		t.Errorf("expected object was not created")
	}
	tmpStr := string(reqBodyExpected)
	requestURL := testapi.Default.ResourcePathWithPrefix("foo/bar/baz", "", "", "")
	requestURL += "?timeout=1s"
	fakeHandler.ValidateRequest(t, requestURL, "POST", &tmpStr)
}
func TestSyncReplicationControllerDormancy(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)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	client := client.NewOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

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

	controllerSpec := newReplicationController(2)
	manager.rcStore.Store.Add(controllerSpec)
	newPodList(manager.podStore.Store, 1, api.PodRunning, controllerSpec)

	// Creates a replica and sets expectations
	controllerSpec.Status.Replicas = 1
	manager.syncReplicationController(getKey(controllerSpec, t))
	validateSyncReplication(t, &fakePodControl, 1, 0)

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

	// Get the key for the controller
	rcKey, err := controller.KeyFunc(controllerSpec)
	if err != nil {
		t.Errorf("Couldn't get key for object %+v: %v", controllerSpec, 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(rcKey)
	controllerSpec.Status.Replicas = 1
	fakePodControl.Clear()
	fakePodControl.Err = fmt.Errorf("Fake Error")

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

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

	// 1 PUT for the rc status during dormancy window.
	// Note that the pod creates go through pod control so they're not recorded.
	fakeHandler.ValidateRequestCount(t, 1)
}
Exemplo n.º 10
0
func TestUpdatePetWithoutRetry(t *testing.T) {
	pcb1, pcb2 := makeTwoDifferntPCB()
	// invalid pet with empty pod
	invalidPcb := *pcb1
	invalidPcb.pod = nil

	testCases := []struct {
		realPet     *pcb
		expectedPet *pcb
		expectErr   bool
		requests    int
	}{
		// case 0: error occurs, no need to update
		{
			realPet:     pcb1,
			expectedPet: &invalidPcb,
			expectErr:   true,
			requests:    0,
		},
		// case 1: identical pet, no need to update
		{
			realPet:     pcb1,
			expectedPet: pcb1,
			expectErr:   false,
			requests:    0,
		},
		// case 2: need to call update once
		{
			realPet:     pcb1,
			expectedPet: pcb2,
			expectErr:   false,
			requests:    1,
		},
	}

	for k, tc := range testCases {
		body := runtime.EncodeOrDie(testapi.Default.Codec(), &v1.Pod{ObjectMeta: v1.ObjectMeta{Name: "empty_pod"}})
		fakeHandler := utiltesting.FakeHandler{
			StatusCode:   200,
			ResponseBody: string(body),
		}
		testServer := httptest.NewServer(&fakeHandler)

		client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(v1.GroupName).GroupVersion}})
		petClient := newPetClient(client)
		err := petClient.Update(tc.realPet, tc.expectedPet)

		if tc.expectErr != (err != nil) {
			t.Errorf("case %d: expect error(%v), got err: %v", k, tc.expectErr, err)
		}
		fakeHandler.ValidateRequestCount(t, tc.requests)
		testServer.Close()
	}
}
Exemplo n.º 11
0
func TestListWatchesCanList(t *testing.T) {
	fieldSelectorQueryParamName := unversioned.FieldSelectorQueryParam(testapi.Default.GroupVersion().String())
	table := []struct {
		location      string
		resource      string
		namespace     string
		fieldSelector fields.Selector
	}{
		// Node
		{
			location:      testapi.Default.ResourcePath("nodes", api.NamespaceAll, ""),
			resource:      "nodes",
			namespace:     api.NamespaceAll,
			fieldSelector: parseSelectorOrDie(""),
		},
		// pod with "assigned" field selector.
		{
			location: buildLocation(
				testapi.Default.ResourcePath("pods", api.NamespaceAll, ""),
				buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}})),
			resource:      "pods",
			namespace:     api.NamespaceAll,
			fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
		},
		// pod in namespace "foo"
		{
			location: buildLocation(
				testapi.Default.ResourcePath("pods", "foo", ""),
				buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}})),
			resource:      "pods",
			namespace:     "foo",
			fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
		},
	}
	for _, item := range table {
		handler := utiltesting.FakeHandler{
			StatusCode:   500,
			ResponseBody: "",
			T:            t,
		}
		server := httptest.NewServer(&handler)
		// TODO: Uncomment when fix #19254
		// defer server.Close()
		client := client.NewOrDie(&restclient.Config{Host: server.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
		lw := NewListWatchFromClient(client, item.resource, item.namespace, item.fieldSelector)
		// This test merely tests that the correct request is made.
		lw.List(api.ListOptions{})
		handler.ValidateRequest(t, item.location, "GET", nil)
	}
}
Exemplo n.º 12
0
func TestDefaultErrorFunc(t *testing.T) {
	testPod := &api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "foo", Namespace: "bar"},
		Spec:       apitesting.DeepEqualSafePodSpec(),
	}
	handler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: runtime.EncodeOrDie(testapi.Default.Codec(), testPod),
		T:            t,
	}
	mux := http.NewServeMux()

	// FakeHandler musn't be sent requests other than the one you want to test.
	mux.Handle(testapi.Default.ResourcePath("pods", "bar", "foo"), &handler)
	server := httptest.NewServer(mux)
	// TODO: Uncomment when fix #19254
	// defer server.Close()
	factory := NewConfigFactory(client.NewOrDie(&client.Config{Host: server.URL, GroupVersion: testapi.Default.GroupVersion()}), nil, api.DefaultSchedulerName)
	queue := cache.NewFIFO(cache.MetaNamespaceKeyFunc)
	podBackoff := podBackoff{
		perPodBackoff:   map[types.NamespacedName]*backoffEntry{},
		clock:           &fakeClock{},
		defaultDuration: 1 * time.Millisecond,
		maxDuration:     1 * time.Second,
	}
	errFunc := factory.makeDefaultErrorFunc(&podBackoff, queue)

	errFunc(testPod, nil)
	for {
		// This is a terrible way to do this but I plan on replacing this
		// whole error handling system in the future. The test will time
		// out if something doesn't work.
		time.Sleep(10 * time.Millisecond)
		got, exists, _ := queue.Get(testPod)
		if !exists {
			continue
		}
		handler.ValidateRequest(t, testapi.Default.ResourcePath("pods", "bar", "foo"), "GET", nil)
		if e, a := testPod, got; !reflect.DeepEqual(e, a) {
			t.Errorf("Expected %v, got %v", e, a)
		}
		break
	}
}
Exemplo n.º 13
0
func TestControllerUpdateReplicas(t *testing.T) {
	// This is a happy server just to record the PUT request we expect for status.Replicas
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: "{}",
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()

	client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
	manager.podStoreSynced = alwaysReady

	// Insufficient number of pods in the system, and Status.Replicas is wrong;
	// Status.Replica should update to match number of pods in system, 1 new pod should be created.
	labelMap := map[string]string{"foo": "bar"}
	extraLabelMap := map[string]string{"foo": "bar", "extraKey": "extraValue"}
	rs := newReplicaSet(5, labelMap)
	rs.Spec.Template.Labels = extraLabelMap
	manager.rsStore.Store.Add(rs)
	rs.Status = extensions.ReplicaSetStatus{Replicas: 2, FullyLabeledReplicas: 6, ReadyReplicas: 2, ObservedGeneration: 0}
	rs.Generation = 1
	newPodList(manager.podStore.Indexer, 2, api.PodRunning, labelMap, rs, "pod")
	newPodList(manager.podStore.Indexer, 2, api.PodRunning, extraLabelMap, rs, "podWithExtraLabel")

	// This response body is just so we don't err out decoding the http response
	response := runtime.EncodeOrDie(testapi.Extensions.Codec(), &extensions.ReplicaSet{})
	fakeHandler.ResponseBody = response

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl

	manager.syncReplicaSet(getKey(rs, t))

	// 1. Status.Replicas should go up from 2->4 even though we created 5-4=1 pod.
	// 2. Status.FullyLabeledReplicas should equal to the number of pods that
	// has the extra labels, i.e., 2.
	// 3. Every update to the status should include the Generation of the spec.
	rs.Status = extensions.ReplicaSetStatus{Replicas: 4, FullyLabeledReplicas: 2, ReadyReplicas: 4, ObservedGeneration: 1}

	decRc := runtime.EncodeOrDie(testapi.Extensions.Codec(), rs)
	fakeHandler.ValidateRequest(t, testapi.Extensions.ResourcePath(replicaSetResourceName(), rs.Namespace, rs.Name)+"/status", "PUT", &decRc)
	validateSyncReplicaSet(t, &fakePodControl, 1, 0, 0)
}
Exemplo n.º 14
0
func TestControllerUpdateReplicas(t *testing.T) {
	// This is a happy server just to record the PUT request we expect for status.Replicas
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: "",
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	c := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicationManager(c, controller.NoResyncPeriodFunc, BurstReplicas, 0)
	manager.podStoreSynced = alwaysReady

	// Insufficient number of pods in the system, and Status.Replicas is wrong;
	// Status.Replica should update to match number of pods in system, 1 new pod should be created.
	rc := newReplicationController(5)
	manager.rcStore.Store.Add(rc)
	rc.Status = api.ReplicationControllerStatus{Replicas: 2, FullyLabeledReplicas: 6, ObservedGeneration: 0}
	rc.Generation = 1
	newPodList(manager.podStore.Store, 2, api.PodRunning, rc, "pod")
	rcCopy := *rc
	extraLabelMap := map[string]string{"foo": "bar", "extraKey": "extraValue"}
	rcCopy.Spec.Selector = extraLabelMap
	newPodList(manager.podStore.Store, 2, api.PodRunning, &rcCopy, "podWithExtraLabel")

	// This response body is just so we don't err out decoding the http response
	response := runtime.EncodeOrDie(testapi.Default.Codec(), &api.ReplicationController{})
	fakeHandler.ResponseBody = response

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl

	manager.syncReplicationController(getKey(rc, t))

	// 1. Status.Replicas should go up from 2->4 even though we created 5-4=1 pod.
	// 2. Status.FullyLabeledReplicas should equal to the number of pods that
	// has the extra labels, i.e., 2.
	// 3. Every update to the status should include the Generation of the spec.
	rc.Status = api.ReplicationControllerStatus{Replicas: 4, ObservedGeneration: 1}

	decRc := runtime.EncodeOrDie(testapi.Default.Codec(), rc)
	fakeHandler.ValidateRequest(t, testapi.Default.ResourcePath(replicationControllerResourceName(), rc.Namespace, rc.Name)+"/status", "PUT", &decRc)
	validateSyncReplication(t, &fakePodControl, 1, 0)
}
Exemplo n.º 15
0
func TestUpdatePetWithFailure(t *testing.T) {
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   500,
		ResponseBody: "{}",
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()

	client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(v1.GroupName).GroupVersion}})
	petClient := newPetClient(client)

	pcb1, pcb2 := makeTwoDifferntPCB()

	if err := petClient.Update(pcb1, pcb2); err == nil {
		t.Errorf("expect error, got nil")
	}
	// 1 Update and 1 GET, both of which fail
	fakeHandler.ValidateRequestCount(t, 2)
}
Exemplo n.º 16
0
func TestControllerUpdateRequeue(t *testing.T) {
	// This server should force a requeue of the controller because it fails to update status.Replicas.
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   500,
		ResponseBody: "{}",
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()

	client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
	manager.podStoreSynced = alwaysReady

	labelMap := map[string]string{"foo": "bar"}
	rs := newReplicaSet(1, labelMap)
	manager.rsStore.Store.Add(rs)
	rs.Status = extensions.ReplicaSetStatus{Replicas: 2}
	newPodList(manager.podStore.Indexer, 1, api.PodRunning, labelMap, rs, "pod")

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl

	manager.syncReplicaSet(getKey(rs, t))

	ch := make(chan interface{})
	go func() {
		item, _ := manager.queue.Get()
		ch <- item
	}()
	select {
	case key := <-ch:
		expectedKey := getKey(rs, t)
		if key != expectedKey {
			t.Errorf("Expected requeue of replica set with key %s got %s", expectedKey, key)
		}
	case <-time.After(wait.ForeverTestTimeout):
		manager.queue.ShutDown()
		t.Errorf("Expected to find a ReplicaSet in the queue, found none.")
	}
	// 1 Update and 1 GET, both of which fail
	fakeHandler.ValidateRequestCount(t, 2)
}
Exemplo n.º 17
0
func TestControllerUpdateRequeue(t *testing.T) {
	// This server should force a requeue of the controller because it fails to update status.Replicas.
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   500,
		ResponseBody: "",
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()

	client := client.NewOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicationManager(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	rc := newReplicationController(1)
	manager.rcStore.Store.Add(rc)
	rc.Status = api.ReplicationControllerStatus{Replicas: 2}
	newPodList(manager.podStore.Store, 1, api.PodRunning, rc)

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl

	manager.syncReplicationController(getKey(rc, t))

	ch := make(chan interface{})
	go func() {
		item, _ := manager.queue.Get()
		ch <- item
	}()
	select {
	case key := <-ch:
		expectedKey := getKey(rc, t)
		if key != expectedKey {
			t.Errorf("Expected requeue of controller with key %s got %s", expectedKey, key)
		}
	case <-time.After(util.ForeverTestTimeout):
		manager.queue.ShutDown()
		t.Errorf("Expected to find an rc in the queue, found none.")
	}
	// 1 Update and 1 GET, both of which fail
	fakeHandler.ValidateRequestCount(t, 2)
}
Exemplo n.º 18
0
func TestStatusUpdatesWithoutReplicasChange(t *testing.T) {
	// Setup a fake server to listen for requests, and run the ReplicaSet controller in steady state
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: "{}",
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()
	client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
	manager.podStoreSynced = alwaysReady

	// Steady state for the ReplicaSet, no Status.Replicas updates expected
	activePods := 5
	labelMap := map[string]string{"foo": "bar"}
	rs := newReplicaSet(activePods, labelMap)
	manager.rsStore.Store.Add(rs)
	rs.Status = extensions.ReplicaSetStatus{Replicas: int32(activePods), ReadyReplicas: int32(activePods)}
	newPodList(manager.podStore.Indexer, activePods, api.PodRunning, labelMap, rs, "pod")

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

	validateSyncReplicaSet(t, &fakePodControl, 0, 0, 0)
	if fakeHandler.RequestReceived != nil {
		t.Errorf("Unexpected update when pods and ReplicaSets are in a steady state")
	}

	// This response body is just so we don't err out decoding the http response, all
	// we care about is the request body sent below.
	response := runtime.EncodeOrDie(testapi.Extensions.Codec(), &extensions.ReplicaSet{})
	fakeHandler.ResponseBody = response

	rs.Generation = rs.Generation + 1
	manager.syncReplicaSet(getKey(rs, t))

	rs.Status.ObservedGeneration = rs.Generation
	updatedRc := runtime.EncodeOrDie(testapi.Extensions.Codec(), rs)
	fakeHandler.ValidateRequest(t, testapi.Extensions.ResourcePath(replicaSetResourceName(), rs.Namespace, rs.Name)+"/status", "PUT", &updatedRc)
}
Exemplo n.º 19
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func TestStatusUpdatesWithoutReplicasChange(t *testing.T) {
	// Setup a fake server to listen for requests, and run the rc manager in steady state
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: "",
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	client := client.NewOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicationManager(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	// Steady state for the replication controller, no Status.Replicas updates expected
	activePods := 5
	rc := newReplicationController(activePods)
	manager.rcStore.Store.Add(rc)
	rc.Status = api.ReplicationControllerStatus{Replicas: activePods}
	newPodList(manager.podStore.Store, activePods, api.PodRunning, rc)

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

	validateSyncReplication(t, &fakePodControl, 0, 0)
	if fakeHandler.RequestReceived != nil {
		t.Errorf("Unexpected update when pods and rcs are in a steady state")
	}

	// This response body is just so we don't err out decoding the http response, all
	// we care about is the request body sent below.
	response := runtime.EncodeOrDie(testapi.Default.Codec(), &api.ReplicationController{})
	fakeHandler.ResponseBody = response

	rc.Generation = rc.Generation + 1
	manager.syncReplicationController(getKey(rc, t))

	rc.Status.ObservedGeneration = rc.Generation
	updatedRc := runtime.EncodeOrDie(testapi.Default.Codec(), rc)
	fakeHandler.ValidateRequest(t, testapi.Default.ResourcePath(replicationControllerResourceName(), rc.Namespace, rc.Name)+"/status", "PUT", &updatedRc)
}
Exemplo n.º 20
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func TestCreatePods(t *testing.T) {
	ns := v1.NamespaceDefault
	body := runtime.EncodeOrDie(testapi.Default.Codec(), &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "empty_pod"}})
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: string(body),
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()
	clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(v1.GroupName).GroupVersion}})

	podControl := RealPodControl{
		KubeClient: clientset,
		Recorder:   &record.FakeRecorder{},
	}

	controllerSpec := newReplicationController(1)

	// Make sure createReplica sends a POST to the apiserver with a pod from the controllers pod template
	if err := podControl.CreatePods(ns, controllerSpec.Spec.Template, controllerSpec); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	expectedPod := v1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			Labels:       controllerSpec.Spec.Template.Labels,
			GenerateName: fmt.Sprintf("%s-", controllerSpec.Name),
		},
		Spec: controllerSpec.Spec.Template.Spec,
	}
	fakeHandler.ValidateRequest(t, testapi.Default.ResourcePath("pods", v1.NamespaceDefault, ""), "POST", nil)
	var actualPod = &v1.Pod{}
	err := json.Unmarshal([]byte(fakeHandler.RequestBody), actualPod)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if !api.Semantic.DeepDerivative(&expectedPod, actualPod) {
		t.Logf("Body: %s", fakeHandler.RequestBody)
		t.Errorf("Unexpected mismatch.  Expected\n %#v,\n Got:\n %#v", &expectedPod, actualPod)
	}
}
Exemplo n.º 21
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func TestDoRequestCreated(t *testing.T) {
	status := &unversioned.Status{Status: unversioned.StatusSuccess}
	expectedBody, _ := runtime.Encode(testapi.Default.Codec(), status)
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   201,
		ResponseBody: string(expectedBody),
		T:            t,
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	c, err := RESTClientFor(&Config{
		Host: testServer.URL,
		ContentConfig: ContentConfig{
			GroupVersion: testapi.Default.GroupVersion(),
			Codec:        testapi.Default.Codec(),
		},
		Username: "******",
		Password: "******",
	})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	created := false
	body, err := c.Get().Prefix("test").Do().WasCreated(&created).Raw()
	if err != nil {
		t.Errorf("Unexpected error %#v", err)
	}
	if !created {
		t.Errorf("Expected object to be created")
	}
	statusOut, err := runtime.Decode(testapi.Default.Codec(), body)
	if err != nil {
		t.Errorf("Unexpected error %#v", err)
	}
	if !reflect.DeepEqual(status, statusOut) {
		t.Errorf("Unexpected mis-match. Expected %#v.  Saw %#v", status, statusOut)
	}
	fakeHandler.ValidateRequest(t, "/"+testapi.Default.GroupVersion().String()+"/test", "GET", nil)
}
Exemplo n.º 22
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func TestDoRequestNewWayObj(t *testing.T) {
	reqObj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
	reqBodyExpected, _ := runtime.Encode(testapi.Default.Codec(), reqObj)
	expectedObj := &api.Service{Spec: api.ServiceSpec{Ports: []api.ServicePort{{
		Protocol:   "TCP",
		Port:       12345,
		TargetPort: intstr.FromInt(12345),
	}}}}
	expectedBody, _ := runtime.Encode(testapi.Default.Codec(), expectedObj)
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: string(expectedBody),
		T:            t,
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	c := testRESTClient(t, testServer)
	obj, err := c.Verb("POST").
		Suffix("baz").
		Name("bar").
		Resource("foo").
		LabelsSelectorParam(labels.Set{"name": "foo"}.AsSelector()).
		Timeout(time.Second).
		Body(reqObj).
		Do().Get()
	if err != nil {
		t.Errorf("Unexpected error: %v %#v", err, err)
		return
	}
	if obj == nil {
		t.Error("nil obj")
	} else if !api.Semantic.DeepDerivative(expectedObj, obj) {
		t.Errorf("Expected: %#v, got %#v", expectedObj, obj)
	}
	tmpStr := string(reqBodyExpected)
	requestURL := testapi.Default.ResourcePath("foo", "", "bar/baz")
	requestURL += "?" + unversioned.LabelSelectorQueryParam(testapi.Default.GroupVersion().String()) + "=name%3Dfoo&timeout=1s"
	fakeHandler.ValidateRequest(t, requestURL, "POST", &tmpStr)
}
Exemplo n.º 23
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func TestReadyReplicas(t *testing.T) {
	// This is a happy server just to record the PUT request we expect for status.Replicas
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: "{}",
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()

	client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
	manager.podStoreSynced = alwaysReady

	// Status.Replica should update to match number of pods in system, 1 new pod should be created.
	labelMap := map[string]string{"foo": "bar"}
	rs := newReplicaSet(2, labelMap)
	rs.Status = extensions.ReplicaSetStatus{Replicas: 2, ReadyReplicas: 0, ObservedGeneration: 1}
	rs.Generation = 1
	manager.rsStore.Store.Add(rs)

	newPodList(manager.podStore.Indexer, 2, api.PodPending, labelMap, rs, "pod")
	newPodList(manager.podStore.Indexer, 2, api.PodRunning, labelMap, rs, "pod")

	// This response body is just so we don't err out decoding the http response
	response := runtime.EncodeOrDie(testapi.Extensions.Codec(), &extensions.ReplicaSet{})
	fakeHandler.ResponseBody = response

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl

	manager.syncReplicaSet(getKey(rs, t))

	// ReadyReplicas should go from 0 to 2.
	rs.Status = extensions.ReplicaSetStatus{Replicas: 2, ReadyReplicas: 2, ObservedGeneration: 1}

	decRs := runtime.EncodeOrDie(testapi.Extensions.Codec(), rs)
	fakeHandler.ValidateRequest(t, testapi.Extensions.ResourcePath(replicaSetResourceName(), rs.Namespace, rs.Name)+"/status", "PUT", &decRs)
	validateSyncReplicaSet(t, &fakePodControl, 0, 0, 0)
}
Exemplo n.º 24
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func TestCreatePods(t *testing.T) {
	ns := api.NamespaceDefault
	body := runtime.EncodeOrDie(testapi.Default.Codec(), &api.Pod{ObjectMeta: api.ObjectMeta{Name: "empty_pod"}})
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: string(body),
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()
	client := client.NewOrDie(&client.Config{Host: testServer.URL, GroupVersion: testapi.Default.GroupVersion()})

	podControl := RealPodControl{
		KubeClient: client,
		Recorder:   &record.FakeRecorder{},
	}

	controllerSpec := newReplicationController(1)

	// Make sure createReplica sends a POST to the apiserver with a pod from the controllers pod template
	podControl.CreatePods(ns, controllerSpec.Spec.Template, controllerSpec)

	expectedPod := api.Pod{
		ObjectMeta: api.ObjectMeta{
			Labels:       controllerSpec.Spec.Template.Labels,
			GenerateName: fmt.Sprintf("%s-", controllerSpec.Name),
		},
		Spec: controllerSpec.Spec.Template.Spec,
	}
	fakeHandler.ValidateRequest(t, testapi.Default.ResourcePath("pods", api.NamespaceDefault, ""), "POST", nil)
	actualPod, err := runtime.Decode(client.Codec, []byte(fakeHandler.RequestBody))
	if err != nil {
		t.Errorf("Unexpected error: %#v", err)
	}
	if !api.Semantic.DeepDerivative(&expectedPod, actualPod) {
		t.Logf("Body: %s", fakeHandler.RequestBody)
		t.Errorf("Unexpected mismatch.  Expected\n %#v,\n Got:\n %#v", &expectedPod, actualPod)
	}
}
Exemplo n.º 25
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func TestControllerUpdateReplicas(t *testing.T) {
	// This is a happy server just to record the PUT request we expect for status.Replicas
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: "",
	}
	testServer := httptest.NewServer(&fakeHandler)
	// TODO: Uncomment when fix #19254
	// defer testServer.Close()

	client := client.NewOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	manager := NewReplicationManager(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	// Insufficient number of pods in the system, and Status.Replicas is wrong;
	// Status.Replica should update to match number of pods in system, 1 new pod should be created.
	rc := newReplicationController(5)
	manager.rcStore.Store.Add(rc)
	rc.Status = api.ReplicationControllerStatus{Replicas: 2, ObservedGeneration: 0}
	rc.Generation = 1
	newPodList(manager.podStore.Store, 4, api.PodRunning, rc)

	// This response body is just so we don't err out decoding the http response
	response := runtime.EncodeOrDie(testapi.Default.Codec(), &api.ReplicationController{})
	fakeHandler.ResponseBody = response

	fakePodControl := controller.FakePodControl{}
	manager.podControl = &fakePodControl

	manager.syncReplicationController(getKey(rc, t))

	// 1. Status.Replicas should go up from 2->4 even though we created 5-4=1 pod.
	// 2. Every update to the status should include the Generation of the spec.
	rc.Status = api.ReplicationControllerStatus{Replicas: 4, ObservedGeneration: 1}

	decRc := runtime.EncodeOrDie(testapi.Default.Codec(), rc)
	fakeHandler.ValidateRequest(t, testapi.Default.ResourcePath(replicationControllerResourceName(), rc.Namespace, rc.Name)+"/status", "PUT", &decRc)
	validateSyncReplication(t, &fakePodControl, 1, 0)
}
Exemplo n.º 26
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func TestDoRequestSuccess(t *testing.T) {
	status := &unversioned.Status{Status: unversioned.StatusSuccess}
	expectedBody, _ := runtime.Encode(testapi.Default.Codec(), status)
	fakeHandler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: string(expectedBody),
		T:            t,
	}
	testServer := httptest.NewServer(&fakeHandler)
	defer testServer.Close()
	c, err := RESTClientFor(&Config{
		Host: testServer.URL,
		ContentConfig: ContentConfig{
			GroupVersion:         testapi.Default.GroupVersion(),
			NegotiatedSerializer: testapi.Default.NegotiatedSerializer(),
		},
		Username: "******",
		Password: "******",
	})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	body, err := c.Get().Prefix("test").Do().Raw()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if fakeHandler.RequestReceived.Header["Authorization"] == nil {
		t.Errorf("Request is missing authorization header: %#v", fakeHandler.RequestReceived)
	}
	statusOut, err := runtime.Decode(testapi.Default.Codec(), body)
	if err != nil {
		t.Errorf("Unexpected error %#v", err)
	}
	if !reflect.DeepEqual(status, statusOut) {
		t.Errorf("Unexpected mis-match. Expected %#v.  Saw %#v", status, statusOut)
	}
	fakeHandler.ValidateRequest(t, "/"+testapi.Default.GroupVersion().String()+"/test", "GET", nil)
}
Exemplo n.º 27
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func TestDefaultErrorFunc(t *testing.T) {
	testPod := &v1.Pod{
		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "bar"},
		Spec:       apitesting.V1DeepEqualSafePodSpec(),
	}
	handler := utiltesting.FakeHandler{
		StatusCode:   200,
		ResponseBody: runtime.EncodeOrDie(testapi.Default.Codec(), testPod),
		T:            t,
	}
	mux := http.NewServeMux()

	// FakeHandler musn't be sent requests other than the one you want to test.
	mux.Handle(testapi.Default.ResourcePath("pods", "bar", "foo"), &handler)
	server := httptest.NewServer(mux)
	defer server.Close()
	factory := NewConfigFactory(clientset.NewForConfigOrDie(&restclient.Config{Host: server.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(v1.GroupName).GroupVersion}}), v1.DefaultSchedulerName, v1.DefaultHardPodAffinitySymmetricWeight, v1.DefaultFailureDomains)
	queue := cache.NewFIFO(cache.MetaNamespaceKeyFunc)
	podBackoff := util.CreatePodBackoff(1*time.Millisecond, 1*time.Second)
	errFunc := factory.MakeDefaultErrorFunc(podBackoff, queue)

	errFunc(testPod, nil)
	for {
		// This is a terrible way to do this but I plan on replacing this
		// whole error handling system in the future. The test will time
		// out if something doesn't work.
		time.Sleep(10 * time.Millisecond)
		got, exists, _ := queue.Get(testPod)
		if !exists {
			continue
		}
		handler.ValidateRequest(t, testapi.Default.ResourcePath("pods", "bar", "foo"), "GET", nil)
		if e, a := testPod, got; !reflect.DeepEqual(e, a) {
			t.Errorf("Expected %v, got %v", e, a)
		}
		break
	}
}
Exemplo n.º 28
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func TestListWatchesCanWatch(t *testing.T) {
	fieldSelectorQueryParamName := metav1.FieldSelectorQueryParam(api.Registry.GroupOrDie(v1.GroupName).GroupVersion.String())
	table := []struct {
		rv            string
		location      string
		resource      string
		namespace     string
		fieldSelector fields.Selector
	}{
		// Node
		{
			location: buildLocation(
				testapi.Default.ResourcePathWithPrefix("watch", "nodes", v1.NamespaceAll, ""),
				buildQueryValues(url.Values{})),
			rv:            "",
			resource:      "nodes",
			namespace:     v1.NamespaceAll,
			fieldSelector: parseSelectorOrDie(""),
		},
		{
			location: buildLocation(
				testapi.Default.ResourcePathWithPrefix("watch", "nodes", v1.NamespaceAll, ""),
				buildQueryValues(url.Values{"resourceVersion": []string{"42"}})),
			rv:            "42",
			resource:      "nodes",
			namespace:     v1.NamespaceAll,
			fieldSelector: parseSelectorOrDie(""),
		},
		// pod with "assigned" field selector.
		{
			location: buildLocation(
				testapi.Default.ResourcePathWithPrefix("watch", "pods", v1.NamespaceAll, ""),
				buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}, "resourceVersion": []string{"0"}})),
			rv:            "0",
			resource:      "pods",
			namespace:     v1.NamespaceAll,
			fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
		},
		// pod with namespace foo and assigned field selector
		{
			location: buildLocation(
				testapi.Default.ResourcePathWithPrefix("watch", "pods", "foo", ""),
				buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}, "resourceVersion": []string{"0"}})),
			rv:            "0",
			resource:      "pods",
			namespace:     "foo",
			fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
		},
	}

	for _, item := range table {
		handler := utiltesting.FakeHandler{
			StatusCode:   500,
			ResponseBody: "",
			T:            t,
		}
		server := httptest.NewServer(&handler)
		defer server.Close()
		client := clientset.NewForConfigOrDie(&restclient.Config{Host: server.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(v1.GroupName).GroupVersion}})
		lw := NewListWatchFromClient(client.Core().RESTClient(), item.resource, item.namespace, item.fieldSelector)
		// This test merely tests that the correct request is made.
		lw.Watch(v1.ListOptions{ResourceVersion: item.rv})
		handler.ValidateRequest(t, item.location, "GET", nil)
	}
}