Golang testing.NewPod函数代码示例

// Populates data struct with pod1/volume/node and pod2/volume/node.
// Calls DeleteNode() to delete the pod1/volume/node.
// Verifies volume still exists, and one volumes to attach.
func Test_DeletePod_Positive_2PodsExistNodeExistsVolumesExist(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	pod1Name := "pod1-uid"
	pod2Name := "pod2-uid"
	volumeName := v1.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	nodeName := k8stypes.NodeName("node-name")
	dsw.AddNode(nodeName)
	generatedVolumeName1, pod1AddErr := dsw.AddPod(types.UniquePodName(pod1Name), controllervolumetesting.NewPod(pod1Name, pod1Name), volumeSpec, nodeName)
	if pod1AddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod1Name,
			pod1AddErr)
	}
	generatedVolumeName2, pod2AddErr := dsw.AddPod(types.UniquePodName(pod2Name), controllervolumetesting.NewPod(pod2Name, pod2Name), volumeSpec, nodeName)
	if pod2AddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod2Name,
			pod2AddErr)
	}
	if generatedVolumeName1 != generatedVolumeName2 {
		t.Fatalf(
			"Generated volume names for the same volume should be the same but they are not: %q and %q",
			generatedVolumeName1,
			generatedVolumeName2)
	}
	volumeExists := dsw.VolumeExists(generatedVolumeName1, nodeName)
	if !volumeExists {
		t.Fatalf(
			"Volume %q does not exist under node %q, it should.",
			generatedVolumeName1,
			nodeName)
	}

	// Act
	dsw.DeletePod(types.UniquePodName(pod1Name), generatedVolumeName1, nodeName)

	// Assert
	volumeExists = dsw.VolumeExists(generatedVolumeName1, nodeName)
	if !volumeExists {
		t.Fatalf(
			"Volume %q under node %q should still exist, but it does not.",
			generatedVolumeName1,
			nodeName)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 1 {
		t.Fatalf("len(volumesToAttach) Expected: <1> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, nodeName, generatedVolumeName1, string(volumeName))
}

// Populates data struct with two nodes with one volume/pod each and an extra
// pod for the second node/volume pair.
// Calls GetVolumesToAttach()
// Verifies two volumes to attach.
func Test_GetVolumesToAttach_Positive_TwoNodesOneVolumeEachExtraPod(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	node1Name := k8stypes.NodeName("node1-name")
	pod1Name := "pod1-uid"
	volume1Name := v1.UniqueVolumeName("volume1-name")
	volume1Spec := controllervolumetesting.GetTestVolumeSpec(string(volume1Name), volume1Name)
	dsw.AddNode(node1Name)
	generatedVolume1Name, podAddErr := dsw.AddPod(types.UniquePodName(pod1Name), controllervolumetesting.NewPod(pod1Name, pod1Name), volume1Spec, node1Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod1Name,
			podAddErr)
	}
	node2Name := k8stypes.NodeName("node2-name")
	pod2Name := "pod2-uid"
	volume2Name := v1.UniqueVolumeName("volume2-name")
	volume2Spec := controllervolumetesting.GetTestVolumeSpec(string(volume2Name), volume2Name)
	dsw.AddNode(node2Name)
	generatedVolume2Name, podAddErr := dsw.AddPod(types.UniquePodName(pod2Name), controllervolumetesting.NewPod(pod2Name, pod2Name), volume2Spec, node2Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod2Name,
			podAddErr)
	}
	pod3Name := "pod3-uid"
	dsw.AddPod(types.UniquePodName(pod3Name), controllervolumetesting.NewPod(pod3Name, pod3Name), volume2Spec, node2Name)
	_, podAddErr = dsw.AddPod(types.UniquePodName(pod3Name), controllervolumetesting.NewPod(pod3Name, pod3Name), volume2Spec, node2Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod3Name,
			podAddErr)
	}

	// Act
	volumesToAttach := dsw.GetVolumesToAttach()

	// Assert
	if len(volumesToAttach) != 2 {
		t.Fatalf("len(volumesToAttach) Expected: <2> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, node1Name, generatedVolume1Name, string(volume1Name))
	verifyVolumeToAttach(t, volumesToAttach, node2Name, generatedVolume2Name, string(volume2Name))
}

// Populates data struct with new pod/volume1/node.
// Calls VolumeExists() on that volume2/node.
// Verifies volume2/node does not exist, and one volume to attach.
func Test_VolumeExists_Positive_VolumeDoesntExistNodeExists(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	nodeName := k8stypes.NodeName("node-name")
	dsw.AddNode(nodeName)
	podName := "pod-uid"
	volume1Name := v1.UniqueVolumeName("volume1-name")
	volume1Spec := controllervolumetesting.GetTestVolumeSpec(string(volume1Name), volume1Name)
	generatedVolume1Name, podAddErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volume1Spec, nodeName)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			podName,
			podAddErr)
	}
	volume2Name := v1.UniqueVolumeName("volume2-name")

	// Act
	volumeExists := dsw.VolumeExists(volume2Name, nodeName)

	// Assert
	if volumeExists {
		t.Fatalf("Volume %q exists, it should not.", volume2Name)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 1 {
		t.Fatalf("len(volumesToAttach) Expected: <1> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, nodeName, generatedVolume1Name, string(volume1Name))
}

// Populates data struct with new pod/volume/node.
// Calls VolumeExists() on that volume/node.
// Verifies volume/node exists, and one volume to attach.
func Test_VolumeExists_Positive_VolumeExistsNodeExists(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	nodeName := k8stypes.NodeName("node-name")
	dsw.AddNode(nodeName)
	podName := "pod-uid"
	volumeName := v1.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	generatedVolumeName, _ := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, nodeName)

	// Act
	volumeExists := dsw.VolumeExists(generatedVolumeName, nodeName)

	// Assert
	if !volumeExists {
		t.Fatalf("Volume %q does not exist, it should.", generatedVolumeName)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 1 {
		t.Fatalf("len(volumesToAttach) Expected: <1> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, nodeName, generatedVolumeName, string(volumeName))
}

// Populates desiredStateOfWorld cache with one node/volume/pod tuple.
// Calls Run()
// Verifies there is one attach call and no detach calls.
// Marks the node/volume as unmounted.
// Deletes the node/volume/pod tuple from desiredStateOfWorld cache.
// Verifies there is one detach call and no (new) attach calls.
func Test_Run_Positive_OneDesiredVolumeAttachThenDetachWithUnmountedVolume(t *testing.T) {
	// Arrange
	volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
	dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
	asw := cache.NewActualStateOfWorld(volumePluginMgr)
	fakeKubeClient := controllervolumetesting.CreateTestClient()
	ad := operationexecutor.NewOperationExecutor(fakeKubeClient, volumePluginMgr)
	nsu := statusupdater.NewFakeNodeStatusUpdater(false /* returnError */)
	reconciler := NewReconciler(
		reconcilerLoopPeriod, maxWaitForUnmountDuration, dsw, asw, ad, nsu)
	podName := "pod-uid"
	volumeName := api.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	nodeName := "node-name"
	dsw.AddNode(nodeName)
	volumeExists := dsw.VolumeExists(volumeName, nodeName)
	if volumeExists {
		t.Fatalf(
			"Volume %q/node %q should not exist, but it does.",
			volumeName,
			nodeName)
	}

	generatedVolumeName, podAddErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, nodeName)
	if podAddErr != nil {
		t.Fatalf("AddPod failed. Expected: <no error> Actual: <%v>", podAddErr)
	}

	// Act
	ch := make(chan struct{})
	go reconciler.Run(ch)
	defer close(ch)

	// Assert
	waitForNewAttacherCallCount(t, 1 /* expectedCallCount */, fakePlugin)
	verifyNewAttacherCallCount(t, false /* expectZeroNewAttacherCallCount */, fakePlugin)
	waitForAttachCallCount(t, 1 /* expectedAttachCallCount */, fakePlugin)
	verifyNewDetacherCallCount(t, true /* expectZeroNewDetacherCallCount */, fakePlugin)
	waitForDetachCallCount(t, 0 /* expectedDetachCallCount */, fakePlugin)

	// Act
	dsw.DeletePod(types.UniquePodName(podName), generatedVolumeName, nodeName)
	volumeExists = dsw.VolumeExists(generatedVolumeName, nodeName)
	if volumeExists {
		t.Fatalf(
			"Deleted pod %q from volume %q/node %q. Volume should also be deleted but it still exists.",
			podName,
			generatedVolumeName,
			nodeName)
	}
	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */)
	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)

	// Assert
	waitForNewDetacherCallCount(t, 1 /* expectedCallCount */, fakePlugin)
	verifyNewAttacherCallCount(t, false /* expectZeroNewAttacherCallCount */, fakePlugin)
	waitForAttachCallCount(t, 1 /* expectedAttachCallCount */, fakePlugin)
	verifyNewDetacherCallCount(t, false /* expectZeroNewDetacherCallCount */, fakePlugin)
	waitForDetachCallCount(t, 1 /* expectedDetachCallCount */, fakePlugin)
}

// Populates data struct with pod/volume/node1.
// Calls DeleteNode() to delete the pod/volume/node2.
// Verifies volume still exists, and one volumes to attach.
func Test_DeletePod_Positive_NodeDoesNotExist(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	podName := "pod-uid"
	volumeName := api.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	node1Name := "node1-name"
	dsw.AddNode(node1Name)
	generatedVolumeName, podAddErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, node1Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			podName,
			podAddErr)
	}
	volumeExists := dsw.VolumeExists(generatedVolumeName, node1Name)
	if !volumeExists {
		t.Fatalf(
			"Added pod %q to volume %q/node %q. Volume does not exist, it should.",
			podName,
			generatedVolumeName,
			node1Name)
	}
	node2Name := "node2-name"

	// Act
	dsw.DeletePod(types.UniquePodName(podName), generatedVolumeName, node2Name)

	// Assert
	volumeExists = dsw.VolumeExists(generatedVolumeName, node1Name)
	if !volumeExists {
		t.Fatalf(
			"Volume %q/node %q does not exist, it should.",
			generatedVolumeName,
			node1Name)
	}
	volumeExists = dsw.VolumeExists(generatedVolumeName, node2Name)
	if volumeExists {
		t.Fatalf(
			"node %q exists, it should not.",
			node2Name)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 1 {
		t.Fatalf("len(volumesToAttach) Expected: <1> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, node1Name, generatedVolumeName, string(volumeName))
}

// Populates data struct with new pod/volume/node.
// Calls DeleteNode() to delete the pod/volume/node.
// Verifies volume no longer exists, and zero volumes to attach.
func Test_DeletePod_Positive_PodExistsNodeExistsVolumeExists(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	podName := "pod-uid"
	volumeName := v1.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	nodeName := k8stypes.NodeName("node-name")
	dsw.AddNode(nodeName)
	generatedVolumeName, podAddErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, nodeName)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			podName,
			podAddErr)
	}
	volumeExists := dsw.VolumeExists(generatedVolumeName, nodeName)
	if !volumeExists {
		t.Fatalf(
			"Added pod %q to volume %q/node %q. Volume does not exist, it should.",
			podName,
			generatedVolumeName,
			nodeName)
	}

	// Act
	dsw.DeletePod(types.UniquePodName(podName), generatedVolumeName, nodeName)

	// Assert
	volumeExists = dsw.VolumeExists(generatedVolumeName, nodeName)
	if volumeExists {
		t.Fatalf(
			"Deleted pod %q from volume %q/node %q. Volume should also be deleted but it still exists.",
			podName,
			generatedVolumeName,
			nodeName)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 0 {
		t.Fatalf("len(volumesToAttach) Expected: <0> Actual: <%v>", len(volumesToAttach))
	}
}

// Populates data struct with a single node no volume.
// Calls AddPod() with the same node and new pod/volume.
// Verifies node/volume exists, and 1 volumes to attach.
func Test_AddPod_Positive_NewPodNodeExistsVolumeDoesntExist(t *testing.T) {
	// Arrange
	podName := "pod-uid"
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	volumeName := v1.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	nodeName := k8stypes.NodeName("node-name")
	dsw.AddNode(nodeName)
	volumeExists := dsw.VolumeExists(volumeName, nodeName)
	if volumeExists {
		t.Fatalf(
			"Volume %q/node %q should not exist, but it does.",
			volumeName,
			nodeName)
	}

	// Act
	generatedVolumeName, podErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, nodeName)

	// Assert
	if podErr != nil {
		t.Fatalf("AddPod failed. Expected: <no error> Actual: <%v>", podErr)
	}

	volumeExists = dsw.VolumeExists(generatedVolumeName, nodeName)
	if !volumeExists {
		t.Fatalf(
			"Added pod %q to volume %q/node %q. Volume does not exist, it should.",
			podName,
			generatedVolumeName,
			nodeName)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 1 {
		t.Fatalf("len(volumesToAttach) Expected: <1> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, nodeName, generatedVolumeName, string(volumeName))
}

// Populates desiredStateOfWorld cache with one node/volume/pod tuple.
// Calls Run()
// Verifies there is one attach call and no detach calls.
func Test_Run_Positive_OneDesiredVolumeAttach(t *testing.T) {
	// Arrange
	volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
	dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
	asw := cache.NewActualStateOfWorld(volumePluginMgr)
	fakeKubeClient := controllervolumetesting.CreateTestClient()
	fakeRecorder := &record.FakeRecorder{}
	ad := operationexecutor.NewOperationExecutor(operationexecutor.NewOperationGenerator(fakeKubeClient, volumePluginMgr, fakeRecorder, false /* checkNodeCapabilitiesBeforeMount */))
	nsu := statusupdater.NewFakeNodeStatusUpdater(false /* returnError */)
	reconciler := NewReconciler(
		reconcilerLoopPeriod, maxWaitForUnmountDuration, syncLoopPeriod, false, dsw, asw, ad, nsu)
	podName := "pod-uid"
	volumeName := v1.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	nodeName := k8stypes.NodeName("node-name")
	dsw.AddNode(nodeName)
	volumeExists := dsw.VolumeExists(volumeName, nodeName)
	if volumeExists {
		t.Fatalf(
			"Volume %q/node %q should not exist, but it does.",
			volumeName,
			nodeName)
	}

	_, podErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, nodeName)
	if podErr != nil {
		t.Fatalf("AddPod failed. Expected: <no error> Actual: <%v>", podErr)
	}

	// Act
	ch := make(chan struct{})
	go reconciler.Run(ch)
	defer close(ch)

	// Assert
	waitForNewAttacherCallCount(t, 1 /* expectedCallCount */, fakePlugin)
	waitForAttachCallCount(t, 1 /* expectedAttachCallCount */, fakePlugin)
	verifyNewDetacherCallCount(t, true /* expectZeroNewDetacherCallCount */, fakePlugin)
}

// Populates data struct with new pod/volume/node.
// Calls DeleteNode() to delete the node.
// Verifies call fails because node still contains child volumes.
func Test_DeleteNode_Negative_NodeExistsHasChildVolumes(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	nodeName := k8stypes.NodeName("node-name")
	dsw.AddNode(nodeName)
	podName := "pod-uid"
	volumeName := v1.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	generatedVolumeName, podAddErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, nodeName)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			podName,
			podAddErr)
	}

	// Act
	err := dsw.DeleteNode(nodeName)

	// Assert
	if err == nil {
		t.Fatalf("DeleteNode did not fail. Expected: <\"failed to delete node...the node still contains volumes in its list of volumes to attach\"> Actual: <no error>")
	}

	nodeExists := dsw.NodeExists(nodeName)
	if !nodeExists {
		t.Fatalf("Node %q no longer exists, it should.", nodeName)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 1 {
		t.Fatalf("len(volumesToAttach) Expected: <1> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, nodeName, generatedVolumeName, string(volumeName))
}

// Calls AddPod() with new pod/volume/node on empty data struct.
// Verifies call fails because node does not exist.
func Test_AddPod_Negative_NewPodNodeDoesntExistVolumeDoesntExist(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	podName := "pod-uid"
	volumeName := v1.UniqueVolumeName("volume-name")
	volumeSpec := controllervolumetesting.GetTestVolumeSpec(string(volumeName), volumeName)
	nodeName := k8stypes.NodeName("node-name")
	volumeExists := dsw.VolumeExists(volumeName, nodeName)
	if volumeExists {
		t.Fatalf(
			"Volume %q/node %q should not exist, but it does.",
			volumeName,
			nodeName)
	}

	// Act
	_, podErr := dsw.AddPod(types.UniquePodName(podName), controllervolumetesting.NewPod(podName, podName), volumeSpec, nodeName)

	// Assert
	if podErr == nil {
		t.Fatalf("AddPod did not fail. Expected: <\"failed to add pod...no node with that name exists in the list of managed nodes\"> Actual: <no error>")
	}

	volumeExists = dsw.VolumeExists(volumeName, nodeName)
	if volumeExists {
		t.Fatalf(
			"Volume %q/node %q should not exist, but it does.",
			volumeName,
			nodeName)
	}

	volumesToAttach := dsw.GetVolumesToAttach()
	if len(volumesToAttach) != 0 {
		t.Fatalf("len(volumesToAttach) Expected: <0> Actual: <%v>", len(volumesToAttach))
	}
}

// Populates data struct with two nodes with one volume/pod on one node and two
// volume/pod pairs on the other node.
// Calls GetVolumesToAttach()
// Verifies three volumes to attach.
func Test_GetVolumesToAttach_Positive_TwoNodesThreeVolumes(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	node1Name := k8stypes.NodeName("node1-name")
	pod1Name := "pod1-uid"
	volume1Name := v1.UniqueVolumeName("volume1-name")
	volume1Spec := controllervolumetesting.GetTestVolumeSpec(string(volume1Name), volume1Name)
	dsw.AddNode(node1Name)
	generatedVolume1Name, podAddErr := dsw.AddPod(types.UniquePodName(pod1Name), controllervolumetesting.NewPod(pod1Name, pod1Name), volume1Spec, node1Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod1Name,
			podAddErr)
	}
	node2Name := k8stypes.NodeName("node2-name")
	pod2aName := "pod2a-name"
	volume2Name := v1.UniqueVolumeName("volume2-name")
	volume2Spec := controllervolumetesting.GetTestVolumeSpec(string(volume2Name), volume2Name)
	dsw.AddNode(node2Name)
	generatedVolume2Name1, podAddErr := dsw.AddPod(types.UniquePodName(pod2aName), controllervolumetesting.NewPod(pod2aName, pod2aName), volume2Spec, node2Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod2aName,
			podAddErr)
	}
	pod2bName := "pod2b-name"
	generatedVolume2Name2, podAddErr := dsw.AddPod(types.UniquePodName(pod2bName), controllervolumetesting.NewPod(pod2bName, pod2bName), volume2Spec, node2Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod2bName,
			podAddErr)
	}
	if generatedVolume2Name1 != generatedVolume2Name2 {
		t.Fatalf(
			"Generated volume names for the same volume should be the same but they are not: %q and %q",
			generatedVolume2Name1,
			generatedVolume2Name2)
	}
	pod3Name := "pod3-uid"
	volume3Name := v1.UniqueVolumeName("volume3-name")
	volume3Spec := controllervolumetesting.GetTestVolumeSpec(string(volume3Name), volume3Name)
	generatedVolume3Name, podAddErr := dsw.AddPod(types.UniquePodName(pod3Name), controllervolumetesting.NewPod(pod3Name, pod3Name), volume3Spec, node1Name)
	if podAddErr != nil {
		t.Fatalf(
			"AddPod failed for pod %q. Expected: <no error> Actual: <%v>",
			pod3Name,
			podAddErr)
	}

	// Act
	volumesToAttach := dsw.GetVolumesToAttach()

	// Assert
	if len(volumesToAttach) != 3 {
		t.Fatalf("len(volumesToAttach) Expected: <3> Actual: <%v>", len(volumesToAttach))
	}

	verifyVolumeToAttach(t, volumesToAttach, node1Name, generatedVolume1Name, string(volume1Name))
	verifyVolumeToAttach(t, volumesToAttach, node2Name, generatedVolume2Name1, string(volume2Name))
	verifyVolumeToAttach(t, volumesToAttach, node1Name, generatedVolume3Name, string(volume3Name))
}