func TestDeleter(t *testing.T) {
	tempPath := fmt.Sprintf("/tmp/hostpath/%s", util.NewUUID())
	defer os.RemoveAll(tempPath)
	err := os.MkdirAll(tempPath, 0750)
	if err != nil {
		t.Fatalf("Failed to create tmp directory for deleter: %v", err)
	}

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(volume.VolumeConfig{}), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))

	spec := &volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{HostPath: &api.HostPathVolumeSource{Path: tempPath}}}}}
	plug, err := plugMgr.FindDeletablePluginBySpec(spec)
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	deleter, err := plug.NewDeleter(spec)
	if err != nil {
		t.Errorf("Failed to make a new Deleter: %v", err)
	}
	if deleter.GetPath() != tempPath {
		t.Errorf("Expected %s but got %s", tempPath, deleter.GetPath())
	}
	if err := deleter.Delete(); err != nil {
		t.Errorf("Mock Recycler expected to return nil but got %s", err)
	}
	if exists, _ := util.FileExists("foo"); exists {
		t.Errorf("Temp path expected to be deleted, but was found at %s", tempPath)
	}
}
func TestDeleterTempDir(t *testing.T) {
	tests := map[string]struct {
		expectedFailure bool
		path            string
	}{
		"just-tmp": {true, "/tmp"},
		"not-tmp":  {true, "/nottmp"},
		"good-tmp": {false, "/tmp/scratch"},
	}

	for name, test := range tests {
		plugMgr := volume.VolumePluginMgr{}
		plugMgr.InitPlugins(ProbeVolumePlugins(volume.VolumeConfig{}), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
		spec := &volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{HostPath: &api.HostPathVolumeSource{Path: test.path}}}}}
		plug, _ := plugMgr.FindDeletablePluginBySpec(spec)
		deleter, _ := plug.NewDeleter(spec)
		err := deleter.Delete()
		if err == nil && test.expectedFailure {
			t.Errorf("Expected failure for test '%s' but got nil err", name)
		}
		if err != nil && !test.expectedFailure {
			t.Errorf("Unexpected failure for test '%s': %v", name, err)
		}
	}
}