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

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

// Calls GetVolumesToAttach()
// Verifies zero volumes to attach.
func Test_GetVolumesToAttach_Positive_NoNodes(t *testing.T) {
	// Arrange

	// the attach detach controller.
	VolumeExists(volumeName v1.UniqueVolumeName, nodeName k8stypes.NodeName) bool

	// GetVolumesToAttach generates and returns a list of volumes to attach
	// and the nodes they should be attached to based on the current desired
	// state of the world.
	GetVolumesToAttach() []VolumeToAttach

	// GetPodToAdd generates and returns a map of pods based on the current desired
	// state of world

		}
	}
	return nodeVolumeMap
}

func (collector *attachDetachStateCollector) getTotalVolumesCount() volumeCount {
	stateVolumeMap := make(volumeCount)
	for _, v := range collector.dsw.GetVolumesToAttach() {
		if plugin, err := collector.volumePluginMgr.FindPluginBySpec(v.VolumeSpec); err == nil {
			pluginName := pluginNameNotAvailable
			if plugin != nil {

		dswp.desiredStateOfWorld.DeletePod(dswPodUID, dswPodToAdd.VolumeName, dswPodToAdd.NodeName)
	}

	// check if the existing volumes changes its attachability
	for _, volumeToAttach := range dswp.desiredStateOfWorld.GetVolumesToAttach() {
		// IsAttachableVolume() will result in a fetch of CSIDriver object if the volume plugin type is CSI.
		// The result is returned from CSIDriverLister which is from local cache. So this is not an expensive call.

	}
}

func (rc *reconciler) attachDesiredVolumes(logger klog.Logger) {
	// Ensure volumes that should be attached are attached.
	for _, volumeToAttach := range rc.desiredStateOfWorld.GetVolumesToAttach() {
		if util.IsMultiAttachAllowed(volumeToAttach.VolumeSpec) {
			// Don't even try to start an operation if there is already one running for the given volume and node.

				if err != nil {
					t.Fatalf("Error adding pod %s to DSW: %s", podName, err)
				}
			}
		}
		// Act
		logger, _ := ktesting.NewTestContext(t)
		volumes := dsw.GetVolumesToAttach()
		for _, vol := range volumes {
			if vol.NodeName == "node1" {
				rc.(*reconciler).reportMultiAttachError(logger, vol, nodes)
			}
		}

		// Assert
		close(fakeRecorder.Events)