}
	dev = mockDeviceUtil.FindMultipathDeviceForDevice("/dev/disk/by-path/empty")
	if dev != "" {
		t.Fatalf("mpio device not found '' expected got [%s]", dev)
	}
}

func TestFindDeviceForPath(t *testing.T) {
	io := &mockOsIOHandler{}

	disk, err := findDeviceForPath("/dev/sde", io)
	if err != nil {
		t.Fatalf("error finding device for path /dev/sde:%v", err)
	}
	if disk != "sde" {