@RunWith(MockitoJUnitRunner.class)
public class ReadTest {

	@InjectMocks
    Read read;

	@Mock
	Scanner sc;

    @Before
    public void setUp() {
        when(sc.nextLine()).thenReturn("test");
    }

    @Test
    public void readFileName() throws Exception {
        assertEquals("test",read.readFileName());
    }
}