name                string
		initialVolume       *v1.PersistentVolume
		volumeAnnotations   map[string]string
		expVolumeFinalizers []string
		expModified         bool
	}{
		{
			// Represents a CSI volume provisioned through external-provisioner, no CSI migration enabled.
			name:                "13-1 migration was never enabled, volume has the finalizer",

	_, ctx := ktesting.NewTestContext(t)
	tests := []controllerTest{
		{
			// delete volume bound by controller
			name:            "8-1 - successful delete",
			initialVolumes:  newVolumeArray("volume8-1", "1Gi", "uid8-1", "claim8-1", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, classEmpty, volume.AnnBoundByController),
			expectedVolumes: novolumes,
			initialClaims:   noclaims,

		// Test the matching with no claim.Spec.VolumeName and with various
		// volumes.
		{
			// syncClaim binds to a matching unbound volume.
			name:            "1-1 - successful bind",
			initialVolumes:  newVolumeArray("volume1-1", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimRetain, classEmpty),

	pods := []*v1.Pod{
		runningPod,
		pendingPod,
		completedPod,
	}

	tests := []controllerTest{
		{
			// recycle volume bound by controller
			name:            "6-1 - successful recycle",
			initialVolumes:  newVolumeArray("volume6-1", "1Gi", "uid6-1", "claim6-1", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle, classEmpty, volume.AnnBoundByController),

	_, ctx := ktesting.NewTestContext(t)
	tests := []controllerTest{
		{
			// Provision a volume (with a default class)
			name:            "11-1 - successful provision with storage class 1",
			initialVolumes:  novolumes,

	reportedInUse map[v1.UniqueVolumeName]bool
}

// NewFakeVolumeManager creates a new VolumeManager test instance
func NewFakeVolumeManager(initialVolumes []v1.UniqueVolumeName) *FakeVolumeManager {
	volumes := map[v1.UniqueVolumeName]bool{}
	for _, v := range initialVolumes {
		volumes[v] = true
	}
	return &FakeVolumeManager{
		volumes:       volumes,
		reportedInUse: map[v1.UniqueVolumeName]bool{},
	}
}

//   - testSyncVolume - calls syncVolume on the first volume in initialVolumes.
//   - any custom function for specialized tests.
//
// The test then contains list of volumes/claims that are expected at the end
// of the test and list of generated events.
type controllerTest struct {
	// Name of the test, for logging
	name string
	// Initial content of controller volume cache.
	initialVolumes []*v1.PersistentVolume