wantBinderID int
		name         string
	}{
		{
			name:    "the extender is not a binder",
			podName: "pod0",
			extenders: []framework.Extender{
				&fakeExtender{isBinder: false, interestedPodName: "pod0"},
			},
			wantBinderID: -1, // default binding.
		},
		{
			name:    "one of the extenders is a binder and interested in pod",
			podName: "pod0",
			extenders: []framework.Extender{

						SecretRef: &api.LocalObjectReference{
							Name: "Spec.Volumes[*].VolumeSource.CephFS.SecretRef"}}}}, {
				VolumeSource: api.VolumeSource{
					Cinder: &api.CinderVolumeSource{
						SecretRef: &api.LocalObjectReference{
							Name: "Spec.Volumes[*].VolumeSource.Cinder.SecretRef"}}}}, {
				VolumeSource: api.VolumeSource{
					FlexVolume: &api.FlexVolumeSource{
						SecretRef: &api.LocalObjectReference{

	}
	if in.FlexVolume != nil {
		in, out := &in.FlexVolume, &out.FlexVolume
		*out = new(FlexPersistentVolumeSource)
		(*in).DeepCopyInto(*out)
	}
	if in.Cinder != nil {
		in, out := &in.Cinder, &out.Cinder
		*out = new(CinderPersistentVolumeSource)
		(*in).DeepCopyInto(*out)
	}
	if in.CephFS != nil {
		in, out := &in.CephFS, &out.CephFS
		*out = new(CephFSPersistentVolumeSource)

		(*in).DeepCopyInto(*out)
	}
	if in.ISCSI != nil {
		in, out := &in.ISCSI, &out.ISCSI
		*out = new(ISCSIPersistentVolumeSource)
		(*in).DeepCopyInto(*out)
	}
	if in.Cinder != nil {
		in, out := &in.Cinder, &out.Cinder
		*out = new(CinderPersistentVolumeSource)
		(*in).DeepCopyInto(*out)
	}
	if in.CephFS != nil {
		in, out := &in.CephFS, &out.CephFS
		*out = new(CephFSPersistentVolumeSource)

			injects:    []framework.Code{framework.Skip, framework.Success, framework.Error},
			wantStatus: framework.Success,
		},
		{
			name:       "no bind plugin, returns default binder",
			injects:    []framework.Code{},
			wantStatus: framework.Success,
		},
		{
			name:       "invalid status",
			injects:    []framework.Code{framework.Unschedulable},