Golang testing.NewFakeMirrorClient函数代码示例

func TestGetMountedVolumesForPodAndGetVolumesInUse(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("volumeManagerTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	podManager := kubepod.NewBasicPodManager(podtest.NewFakeMirrorClient())

	node, pod, pv, claim := createObjects()
	kubeClient := fake.NewSimpleClientset(node, pod, pv, claim)

	manager, err := newTestVolumeManager(tmpDir, podManager, kubeClient)
	if err != nil {
		t.Fatalf("Failed to initialize volume manager: %v", err)
	}

	stopCh := make(chan struct{})
	go manager.Run(stopCh)
	defer close(stopCh)

	podManager.SetPods([]*api.Pod{pod})

	// Fake node status update
	go simulateVolumeInUseUpdate(
		api.UniqueVolumeName(node.Status.VolumesAttached[0].Name),
		stopCh,
		manager)

	err = manager.WaitForAttachAndMount(pod)
	if err != nil {
		t.Errorf("Expected success: %v", err)
	}

	expectedMounted := pod.Spec.Volumes[0].Name
	actualMounted := manager.GetMountedVolumesForPod(types.UniquePodName(pod.ObjectMeta.UID))
	if _, ok := actualMounted[expectedMounted]; !ok || (len(actualMounted) != 1) {
		t.Errorf("Expected %v to be mounted to pod but got %v", expectedMounted, actualMounted)
	}

	expectedInUse := []api.UniqueVolumeName{api.UniqueVolumeName(node.Status.VolumesAttached[0].Name)}
	actualInUse := manager.GetVolumesInUse()
	if !reflect.DeepEqual(expectedInUse, actualInUse) {
		t.Errorf("Expected %v to be in use but got %v", expectedInUse, actualInUse)
	}
}

func TestRunOnce(t *testing.T) {
	cadvisor := &cadvisortest.Mock{}
	cadvisor.On("MachineInfo").Return(&cadvisorapi.MachineInfo{}, nil)
	cadvisor.On("ImagesFsInfo").Return(cadvisorapiv2.FsInfo{
		Usage:     400 * mb,
		Capacity:  1000 * mb,
		Available: 600 * mb,
	}, nil)
	cadvisor.On("RootFsInfo").Return(cadvisorapiv2.FsInfo{
		Usage:    9 * mb,
		Capacity: 10 * mb,
	}, nil)
	podManager := kubepod.NewBasicPodManager(podtest.NewFakeMirrorClient())
	diskSpaceManager, _ := newDiskSpaceManager(cadvisor, DiskSpacePolicy{})
	fakeRuntime := &containertest.FakeRuntime{}
	basePath, err := utiltesting.MkTmpdir("kubelet")
	if err != nil {
		t.Fatalf("can't make a temp rootdir %v", err)
	}
	defer os.RemoveAll(basePath)
	kb := &Kubelet{
		rootDirectory:       basePath,
		recorder:            &record.FakeRecorder{},
		cadvisor:            cadvisor,
		nodeLister:          testNodeLister{},
		nodeInfo:            testNodeInfo{},
		statusManager:       status.NewManager(nil, podManager),
		containerRefManager: kubecontainer.NewRefManager(),
		podManager:          podManager,
		os:                  &containertest.FakeOS{},
		diskSpaceManager:    diskSpaceManager,
		containerRuntime:    fakeRuntime,
		reasonCache:         NewReasonCache(),
		clock:               util.RealClock{},
		kubeClient:          &fake.Clientset{},
		hostname:            testKubeletHostname,
		nodeName:            testKubeletHostname,
	}
	kb.containerManager = cm.NewStubContainerManager()

	plug := &volumetest.FakeVolumePlugin{PluginName: "fake", Host: nil}
	kb.volumePluginMgr, err =
		NewInitializedVolumePluginMgr(kb, []volume.VolumePlugin{plug})
	if err != nil {
		t.Fatalf("failed to initialize VolumePluginMgr: %v", err)
	}
	kb.volumeManager, err = kubeletvolume.NewVolumeManager(
		true,
		kb.hostname,
		kb.podManager,
		kb.kubeClient,
		kb.volumePluginMgr,
		fakeRuntime)

	kb.networkPlugin, _ = network.InitNetworkPlugin([]network.NetworkPlugin{}, "", nettest.NewFakeHost(nil), componentconfig.HairpinNone, kb.nonMasqueradeCIDR)
	// TODO: Factor out "StatsProvider" from Kubelet so we don't have a cyclic dependency
	volumeStatsAggPeriod := time.Second * 10
	kb.resourceAnalyzer = stats.NewResourceAnalyzer(kb, volumeStatsAggPeriod, kb.containerRuntime)
	nodeRef := &api.ObjectReference{
		Kind:      "Node",
		Name:      kb.nodeName,
		UID:       types.UID(kb.nodeName),
		Namespace: "",
	}
	fakeKillPodFunc := func(pod *api.Pod, podStatus api.PodStatus, gracePeriodOverride *int64) error {
		return nil
	}
	evictionManager, evictionAdmitHandler, err := eviction.NewManager(kb.resourceAnalyzer, eviction.Config{}, fakeKillPodFunc, kb.recorder, nodeRef, kb.clock)
	if err != nil {
		t.Fatalf("failed to initialize eviction manager: %v", err)
	}
	kb.evictionManager = evictionManager
	kb.AddPodAdmitHandler(evictionAdmitHandler)
	if err := kb.setupDataDirs(); err != nil {
		t.Errorf("Failed to init data dirs: %v", err)
	}

	pods := []*api.Pod{
		{
			ObjectMeta: api.ObjectMeta{
				UID:       "12345678",
				Name:      "foo",
				Namespace: "new",
			},
			Spec: api.PodSpec{
				Containers: []api.Container{
					{Name: "bar"},
				},
			},
		},
	}
	podManager.SetPods(pods)
	// The original test here is totally meaningless, because fakeruntime will always return an empty podStatus. While
	// the originial logic of isPodRunning happens to return true when podstatus is empty, so the test can always pass.
	// Now the logic in isPodRunning is changed, to let the test pass, we set the podstatus directly in fake runtime.
	// This is also a meaningless test, because the isPodRunning will also always return true after setting this. However,
	// because runonce is never used in kubernetes now, we should deprioritize the cleanup work.
	// TODO(random-liu) Fix the test, make it meaningful.
	fakeRuntime.PodStatus = kubecontainer.PodStatus{
		ContainerStatuses: []*kubecontainer.ContainerStatus{
//.........这里部分代码省略.........

func TestGetExtraSupplementalGroupsForPod(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("volumeManagerTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	podManager := kubepod.NewBasicPodManager(podtest.NewFakeMirrorClient())

	node, pod, _, claim := createObjects()

	existingGid := pod.Spec.SecurityContext.SupplementalGroups[0]

	cases := []struct {
		gidAnnotation string
		expected      []int64
	}{
		{
			gidAnnotation: "777",
			expected:      []int64{777},
		},
		{
			gidAnnotation: strconv.FormatInt(existingGid, 10),
			expected:      []int64{},
		},
		{
			gidAnnotation: "a",
			expected:      []int64{},
		},
		{
			gidAnnotation: "",
			expected:      []int64{},
		},
	}

	for _, tc := range cases {
		pv := &api.PersistentVolume{
			ObjectMeta: api.ObjectMeta{
				Name: "pvA",
				Annotations: map[string]string{
					volumehelper.VolumeGidAnnotationKey: tc.gidAnnotation,
				},
			},
			Spec: api.PersistentVolumeSpec{
				PersistentVolumeSource: api.PersistentVolumeSource{
					GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{
						PDName: "fake-device",
					},
				},
				ClaimRef: &api.ObjectReference{
					Name: claim.ObjectMeta.Name,
				},
			},
		}
		kubeClient := fake.NewSimpleClientset(node, pod, pv, claim)

		manager, err := newTestVolumeManager(tmpDir, podManager, kubeClient)
		if err != nil {
			t.Errorf("Failed to initialize volume manager: %v", err)
			continue
		}

		stopCh := make(chan struct{})
		go manager.Run(stopCh)

		podManager.SetPods([]*api.Pod{pod})

		// Fake node status update
		go simulateVolumeInUseUpdate(
			api.UniqueVolumeName(node.Status.VolumesAttached[0].Name),
			stopCh,
			manager)

		err = manager.WaitForAttachAndMount(pod)
		if err != nil {
			t.Errorf("Expected success: %v", err)
			continue
		}

		actual := manager.GetExtraSupplementalGroupsForPod(pod)
		if !reflect.DeepEqual(tc.expected, actual) {
			t.Errorf("Expected supplemental groups %v, got %v", tc.expected, actual)
		}

		close(stopCh)
	}
}

func newTestManager(kubeClient clientset.Interface) *manager {
	podManager := kubepod.NewBasicPodManager(podtest.NewFakeMirrorClient())
	podManager.AddPod(getTestPod())
	return NewManager(kubeClient, podManager).(*manager)
}

// Stub out mirror client for testing purpose.
func newTestManager() (*basicManager, *podtest.FakeMirrorClient) {
	fakeMirrorClient := podtest.NewFakeMirrorClient()
	manager := NewBasicPodManager(fakeMirrorClient).(*basicManager)
	return manager, fakeMirrorClient
}

func TestRunOnce(t *testing.T) {
	cadvisor := &cadvisortest.Mock{}
	cadvisor.On("MachineInfo").Return(&cadvisorapi.MachineInfo{}, nil)
	cadvisor.On("DockerImagesFsInfo").Return(cadvisorapiv2.FsInfo{
		Usage:     400 * mb,
		Capacity:  1000 * mb,
		Available: 600 * mb,
	}, nil)
	cadvisor.On("RootFsInfo").Return(cadvisorapiv2.FsInfo{
		Usage:    9 * mb,
		Capacity: 10 * mb,
	}, nil)
	podManager := kubepod.NewBasicPodManager(podtest.NewFakeMirrorClient())
	diskSpaceManager, _ := newDiskSpaceManager(cadvisor, DiskSpacePolicy{})
	fakeRuntime := &containertest.FakeRuntime{}
	basePath, err := utiltesting.MkTmpdir("kubelet")
	if err != nil {
		t.Fatalf("can't make a temp rootdir %v", err)
	}
	defer os.RemoveAll(basePath)
	kb := &Kubelet{
		rootDirectory:       basePath,
		recorder:            &record.FakeRecorder{},
		cadvisor:            cadvisor,
		nodeLister:          testNodeLister{},
		nodeInfo:            testNodeInfo{},
		statusManager:       status.NewManager(nil, podManager),
		containerRefManager: kubecontainer.NewRefManager(),
		podManager:          podManager,
		os:                  containertest.FakeOS{},
		volumeManager:       newVolumeManager(),
		diskSpaceManager:    diskSpaceManager,
		containerRuntime:    fakeRuntime,
		reasonCache:         NewReasonCache(),
		clock:               util.RealClock{},
	}
	kb.containerManager = cm.NewStubContainerManager()

	kb.networkPlugin, _ = network.InitNetworkPlugin([]network.NetworkPlugin{}, "", nettest.NewFakeHost(nil))
	if err := kb.setupDataDirs(); err != nil {
		t.Errorf("Failed to init data dirs: %v", err)
	}

	pods := []*api.Pod{
		{
			ObjectMeta: api.ObjectMeta{
				UID:       "12345678",
				Name:      "foo",
				Namespace: "new",
			},
			Spec: api.PodSpec{
				Containers: []api.Container{
					{Name: "bar"},
				},
			},
		},
	}
	podManager.SetPods(pods)
	// The original test here is totally meaningless, because fakeruntime will always return an empty podStatus. While
	// the originial logic of isPodRunning happens to return true when podstatus is empty, so the test can always pass.
	// Now the logic in isPodRunning is changed, to let the test pass, we set the podstatus directly in fake runtime.
	// This is also a meaningless test, because the isPodRunning will also always return true after setting this. However,
	// because runonce is never used in kubernetes now, we should deprioritize the cleanup work.
	// TODO(random-liu) Fix the test, make it meaningful.
	fakeRuntime.PodStatus = kubecontainer.PodStatus{
		ContainerStatuses: []*kubecontainer.ContainerStatus{
			{
				Name:  "bar",
				State: kubecontainer.ContainerStateRunning,
			},
		},
	}
	results, err := kb.runOnce(pods, time.Millisecond)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if results[0].Err != nil {
		t.Errorf("unexpected run pod error: %v", results[0].Err)
	}
	if results[0].Pod.Name != "foo" {
		t.Errorf("unexpected pod: %q", results[0].Pod.Name)
	}
}