Golang testclient.NewSimpleFake函数代码示例

func TestReplicationControllerStop(t *testing.T) {
	fake := testclient.NewSimpleFake(&api.ReplicationController{
		Spec: api.ReplicationControllerSpec{
			Replicas: 0,
		},
	})
	reaper := ReplicationControllerReaper{fake, time.Millisecond, time.Millisecond}
	name := "foo"
	s, err := reaper.Stop("default", name, 0, nil)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	expected := "foo stopped"
	if s != expected {
		t.Errorf("expected %s, got %s", expected, s)
	}
	if len(fake.Actions) != 6 {
		t.Errorf("unexpected actions: %v, expected 6 actions (get, get, update, get, get, delete)", fake.Actions)
	}
	for i, action := range []string{"get", "get", "update", "get", "get", "delete"} {
		if fake.Actions[i].Action != action+"-replicationController" {
			t.Errorf("unexpected action: %v, expected %s-replicationController", fake.Actions[i], action)
		}
	}
}

func TestLimitRangerIgnoresSubresource(t *testing.T) {
	client := testclient.NewSimpleFake()
	indexer := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{"namespace": cache.MetaNamespaceIndexFunc})
	handler := &limitRanger{
		Handler:   admission.NewHandler(admission.Create, admission.Update),
		client:    client,
		limitFunc: Limit,
		indexer:   indexer,
	}

	limitRange := validLimitRangeNoDefaults()
	testPod := validPod("testPod", 1, api.ResourceRequirements{})

	indexer.Add(&limitRange)
	err := handler.Admit(admission.NewAttributesRecord(&testPod, "Pod", limitRange.Namespace, "testPod", "pods", "", admission.Update, nil))
	if err == nil {
		t.Errorf("Expected an error since the pod did not specify resource limits in its update call")
	}

	err = handler.Admit(admission.NewAttributesRecord(&testPod, "Pod", limitRange.Namespace, "testPod", "pods", "status", admission.Update, nil))
	if err != nil {
		t.Errorf("Should have ignored calls to any subresource of pod %v", err)
	}

}

func TestExceedUsagePods(t *testing.T) {
	namespace := "default"
	client := testclient.NewSimpleFake(&api.PodList{
		Items: []api.Pod{
			{
				ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
				Spec: api.PodSpec{
					Volumes:    []api.Volume{{Name: "vol"}},
					Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
				},
			},
		},
	})
	status := &api.ResourceQuotaStatus{
		Hard: api.ResourceList{},
		Used: api.ResourceList{},
	}
	r := api.ResourcePods
	status.Hard[r] = resource.MustParse("1")
	status.Used[r] = resource.MustParse("1")
	_, err := IncrementUsage(admission.NewAttributesRecord(&api.Pod{}, "Pod", namespace, "name", "pods", "", admission.Create, nil), status, client)
	if err == nil {
		t.Errorf("Expected error because this would exceed your quota")
	}
}

func TestIncrementUsagePods(t *testing.T) {
	namespace := "default"
	client := testclient.NewSimpleFake(&api.PodList{
		Items: []api.Pod{
			{
				ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
				Spec: api.PodSpec{
					Volumes:    []api.Volume{{Name: "vol"}},
					Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
				},
			},
		},
	})
	status := &api.ResourceQuotaStatus{
		Hard: api.ResourceList{},
		Used: api.ResourceList{},
	}
	r := api.ResourcePods
	status.Hard[r] = resource.MustParse("2")
	status.Used[r] = resource.MustParse("1")
	dirty, err := IncrementUsage(admission.NewAttributesRecord(&api.Pod{}, "Pod", namespace, "name", "pods", "", admission.Create, nil), status, client)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if !dirty {
		t.Errorf("Expected the status to get incremented, therefore should have been dirty")
	}
	quantity := status.Used[r]
	if quantity.Value() != int64(2) {
		t.Errorf("Expected new item count to be 2, but was %s", quantity.String())
	}
}

func TestIncrementUsageReplicationControllers(t *testing.T) {
	namespace := "default"
	client := testclient.NewSimpleFake(&api.ReplicationControllerList{
		Items: []api.ReplicationController{
			{
				ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
			},
		},
	})
	status := &api.ResourceQuotaStatus{
		Hard: api.ResourceList{},
		Used: api.ResourceList{},
	}
	r := api.ResourceReplicationControllers
	status.Hard[r] = resource.MustParse("2")
	status.Used[r] = resource.MustParse("1")
	dirty, err := IncrementUsage(admission.NewAttributesRecord(&api.ReplicationController{}, "ReplicationController", namespace, "name", "replicationControllers", "", admission.Create, nil), status, client)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if !dirty {
		t.Errorf("Expected the status to get incremented, therefore should have been dirty")
	}
	quantity := status.Used[r]
	if quantity.Value() != int64(2) {
		t.Errorf("Expected new item count to be 2, but was %s", quantity.String())
	}
}

func TestUnboundedMemory(t *testing.T) {
	namespace := "default"
	client := testclient.NewSimpleFake(&api.PodList{
		Items: []api.Pod{
			{
				ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
				Spec: api.PodSpec{
					Volumes:    []api.Volume{{Name: "vol"}},
					Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
				},
			},
		},
	})
	status := &api.ResourceQuotaStatus{
		Hard: api.ResourceList{},
		Used: api.ResourceList{},
	}
	r := api.ResourceMemory
	status.Hard[r] = resource.MustParse("10Gi")
	status.Used[r] = resource.MustParse("1Gi")

	newPod := &api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
		Spec: api.PodSpec{
			Volumes:    []api.Volume{{Name: "vol"}},
			Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("250m", "0")}},
		}}
	_, err := IncrementUsage(admission.NewAttributesRecord(newPod, "Pod", namespace, "name", "pods", "", admission.Create, nil), status, client)
	if err == nil {
		t.Errorf("Expected memory unbounded usage error")
	}
}

// Test the case where the 'ready' file has been created and the pod volume dir
// is a mountpoint.  Mount should not be called.
func TestPluginIdempotent(t *testing.T) {
	var (
		testPodUID     = types.UID("test_pod_uid2")
		testVolumeName = "test_volume_name"
		testNamespace  = "test_secret_namespace"
		testName       = "test_secret_name"

		volumeSpec    = volumeSpec(testVolumeName, testName)
		secret        = secret(testNamespace, testName)
		client        = testclient.NewSimpleFake(&secret)
		pluginMgr     = volume.VolumePluginMgr{}
		rootDir, host = newTestHost(t, client)
	)

	pluginMgr.InitPlugins(ProbeVolumePlugins(), host)

	plugin, err := pluginMgr.FindPluginByName(secretPluginName)
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}

	podVolumeDir := fmt.Sprintf("%v/pods/test_pod_uid2/volumes/qingyuan~secret/test_volume_name", rootDir)
	podMetadataDir := fmt.Sprintf("%v/pods/test_pod_uid2/plugins/qingyuan~secret/test_volume_name", rootDir)
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: testPodUID}}
	mounter := &mount.FakeMounter{}
	mounter.MountPoints = []mount.MountPoint{
		{
			Path: podVolumeDir,
		},
	}
	util.SetReady(podMetadataDir)
	builder, err := plugin.NewBuilder(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{}, mounter)
	if err != nil {
		t.Errorf("Failed to make a new Builder: %v", err)
	}
	if builder == nil {
		t.Errorf("Got a nil Builder")
	}

	volumePath := builder.GetPath()
	err = builder.SetUp()
	if err != nil {
		t.Errorf("Failed to setup volume: %v", err)
	}

	if len(mounter.Log) != 0 {
		t.Errorf("Unexpected calls made to mounter: %v", mounter.Log)
	}

	if _, err := os.Stat(volumePath); err != nil {
		if !os.IsNotExist(err) {
			t.Errorf("SetUp() failed unexpectedly: %v", err)
		}
	} else {
		t.Errorf("volume path should not exist: %v", volumePath)
	}
}

// Test the case where the plugin's ready file exists, but the volume dir is not a
// mountpoint, which is the state the system will be in after reboot.  The dir
// should be mounter and the secret data written to it.
func TestPluginReboot(t *testing.T) {
	var (
		testPodUID     = types.UID("test_pod_uid3")
		testVolumeName = "test_volume_name"
		testNamespace  = "test_secret_namespace"
		testName       = "test_secret_name"

		volumeSpec    = volumeSpec(testVolumeName, testName)
		secret        = secret(testNamespace, testName)
		client        = testclient.NewSimpleFake(&secret)
		pluginMgr     = volume.VolumePluginMgr{}
		rootDir, host = newTestHost(t, client)
	)

	pluginMgr.InitPlugins(ProbeVolumePlugins(), host)

	plugin, err := pluginMgr.FindPluginByName(secretPluginName)
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}

	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: testPodUID}}
	builder, err := plugin.NewBuilder(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{}, &mount.FakeMounter{})
	if err != nil {
		t.Errorf("Failed to make a new Builder: %v", err)
	}
	if builder == nil {
		t.Errorf("Got a nil Builder")
	}

	podMetadataDir := fmt.Sprintf("%v/pods/test_pod_uid3/plugins/qingyuan~secret/test_volume_name", rootDir)
	util.SetReady(podMetadataDir)
	volumePath := builder.GetPath()
	if !strings.HasSuffix(volumePath, fmt.Sprintf("pods/test_pod_uid3/volumes/qingyuan~secret/test_volume_name")) {
		t.Errorf("Got unexpected path: %s", volumePath)
	}

	err = builder.SetUp()
	if err != nil {
		t.Errorf("Failed to setup volume: %v", err)
	}
	if _, err := os.Stat(volumePath); err != nil {
		if os.IsNotExist(err) {
			t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
		} else {
			t.Errorf("SetUp() failed: %v", err)
		}
	}

	doTestSecretDataInVolume(volumePath, secret, t)
	doTestCleanAndTeardown(plugin, testPodUID, testVolumeName, volumePath, t)
}

func TestDeniesInvalidServiceAccount(t *testing.T) {
	ns := "myns"

	// Build a test client that the admission plugin can use to look up the service account missing from its cache
	client := testclient.NewSimpleFake()

	admit := NewServiceAccount(client)

	pod := &api.Pod{}
	attrs := admission.NewAttributesRecord(pod, "Pod", ns, "myname", string(api.ResourcePods), "", admission.Create, nil)
	err := admit.Admit(attrs)
	if err == nil {
		t.Errorf("Expected error for missing service account, got none")
	}
}

func TestDescribeService(t *testing.T) {
	fake := testclient.NewSimpleFake(&api.Service{
		ObjectMeta: api.ObjectMeta{
			Name:      "bar",
			Namespace: "foo",
		},
	})
	c := &describeClient{T: t, Namespace: "foo", Interface: fake}
	d := ServiceDescriber{c}
	out, err := d.Describe("foo", "bar")
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if !strings.Contains(out, "Labels:") || !strings.Contains(out, "bar") {
		t.Errorf("unexpected out: %s", out)
	}
}

func TestEndpointsFromZero(t *testing.T) {
	endpoint := api.Endpoints{
		ObjectMeta: api.ObjectMeta{Name: "bar", ResourceVersion: "2"},
		Subsets: []api.EndpointSubset{{
			Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
			Ports:     []api.EndpointPort{{Port: 9000}},
		}},
	}

	fakeWatch := watch.NewFake()
	fakeWatch.Stop()
	fakeClient := testclient.NewSimpleFake(&api.EndpointsList{
		ListMeta: api.ListMeta{ResourceVersion: "2"},
		Items: []api.Endpoints{
			endpoint,
		},
	})
	fakeClient.Watch = fakeWatch
	endpoints := make(chan EndpointsUpdate)
	source := SourceAPI{
		s: servicesReflector{watcher: fakeClient.Services(api.NamespaceAll)},
		e: endpointsReflector{watcher: fakeClient.Endpoints(api.NamespaceAll), endpoints: endpoints}}
	resourceVersion := ""
	ch := make(chan struct{})
	go func() {
		source.e.run(&resourceVersion)
		close(ch)
	}()

	// should get endpoints SET
	actual := <-endpoints
	expected := EndpointsUpdate{Op: SET, Endpoints: []api.Endpoints{endpoint}}
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("expected %#v, got %#v", expected, actual)
	}

	// should have listed, then watched
	<-ch
	if resourceVersion != "2" {
		t.Errorf("unexpected resource version, got %#v", resourceVersion)
	}
	if !reflect.DeepEqual(fakeClient.Actions, []testclient.FakeAction{{"list-endpoints", nil}, {"watch-endpoints", "2"}}) {
		t.Errorf("unexpected actions, got %#v", fakeClient)
	}
}

func TestExceedUsagePersistentVolumeClaims(t *testing.T) {
	namespace := "default"
	client := testclient.NewSimpleFake(&api.PersistentVolumeClaimList{
		Items: []api.PersistentVolumeClaim{
			{
				ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
			},
		},
	})
	status := &api.ResourceQuotaStatus{
		Hard: api.ResourceList{},
		Used: api.ResourceList{},
	}
	r := api.ResourcePersistentVolumeClaims
	status.Hard[r] = resource.MustParse("1")
	status.Used[r] = resource.MustParse("1")
	_, err := IncrementUsage(admission.NewAttributesRecord(&api.PersistentVolumeClaim{}, "PersistentVolumeClaim", namespace, "name", "persistentVolumeClaims", "", admission.Create, nil), status, client)
	if err == nil {
		t.Errorf("Expected error for exceeding hard limits")
	}
}

func TestExceedUsageServices(t *testing.T) {
	namespace := "default"
	client := testclient.NewSimpleFake(&api.ServiceList{
		Items: []api.Service{
			{
				ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
			},
		},
	})
	status := &api.ResourceQuotaStatus{
		Hard: api.ResourceList{},
		Used: api.ResourceList{},
	}
	r := api.ResourceServices
	status.Hard[r] = resource.MustParse("1")
	status.Used[r] = resource.MustParse("1")
	_, err := IncrementUsage(admission.NewAttributesRecord(&api.Service{}, "Service", namespace, "name", "services", "", admission.Create, nil), status, client)
	if err == nil {
		t.Errorf("Expected error because this would exceed usage")
	}
}

func TestServicesFromZero(t *testing.T) {
	service := api.Service{ObjectMeta: api.ObjectMeta{Name: "bar", ResourceVersion: "2"}}

	fakeWatch := watch.NewFake()
	fakeWatch.Stop()
	fakeClient := testclient.NewSimpleFake(&api.ServiceList{
		ListMeta: api.ListMeta{ResourceVersion: "2"},
		Items: []api.Service{
			service,
		},
	})
	fakeClient.Watch = fakeWatch
	services := make(chan ServiceUpdate)
	source := SourceAPI{
		s: servicesReflector{watcher: fakeClient.Services(api.NamespaceAll), services: services},
		e: endpointsReflector{watcher: fakeClient.Endpoints(api.NamespaceAll)}}
	resourceVersion := ""
	ch := make(chan struct{})
	go func() {
		source.s.run(&resourceVersion)
		close(ch)
	}()

	// should get services SET
	actual := <-services
	expected := ServiceUpdate{Op: SET, Services: []api.Service{service}}
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("expected %#v, got %#v", expected, actual)
	}

	// should have listed, then watched
	<-ch
	if resourceVersion != "2" {
		t.Errorf("unexpected resource version, got %#v", resourceVersion)
	}
	if !reflect.DeepEqual(fakeClient.Actions, []testclient.FakeAction{{"list-services", nil}, {"watch-services", "2"}}) {
		t.Errorf("unexpected actions, got %#v", fakeClient)
	}
}

func TestPodDescribeResultsSorted(t *testing.T) {
	// Arrange
	fake := testclient.NewSimpleFake(&api.EventList{
		Items: []api.Event{
			{
				Source:         api.EventSource{Component: "qinglet"},
				Message:        "Item 1",
				FirstTimestamp: util.NewTime(time.Date(2014, time.January, 15, 0, 0, 0, 0, time.UTC)),
				LastTimestamp:  util.NewTime(time.Date(2014, time.January, 15, 0, 0, 0, 0, time.UTC)),
				Count:          1,
			},
			{
				Source:         api.EventSource{Component: "scheduler"},
				Message:        "Item 2",
				FirstTimestamp: util.NewTime(time.Date(1987, time.June, 17, 0, 0, 0, 0, time.UTC)),
				LastTimestamp:  util.NewTime(time.Date(1987, time.June, 17, 0, 0, 0, 0, time.UTC)),
				Count:          1,
			},
			{
				Source:         api.EventSource{Component: "qinglet"},
				Message:        "Item 3",
				FirstTimestamp: util.NewTime(time.Date(2002, time.December, 25, 0, 0, 0, 0, time.UTC)),
				LastTimestamp:  util.NewTime(time.Date(2002, time.December, 25, 0, 0, 0, 0, time.UTC)),
				Count:          1,
			},
		},
	})
	c := &describeClient{T: t, Namespace: "foo", Interface: fake}
	d := PodDescriber{c}

	// Act
	out, err := d.Describe("foo", "bar")

	// Assert
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	VerifyDatesInOrder(out, "\n" /* rowDelimiter */, "\t" /* columnDelimiter */, t)
}