/* TEST */
@RunWith(MockitoJUnitRunner.class)
public class SubjectServiceImplTest {

    @Mock
    private SubjectDao dao;

    @InjectMocks
    private SubjectServiceImpl service = new SubjectServiceImpl();

    @Test
    public void saveSubject() {
        Subject item = new Subject();

        doNothing().when(dao).save(item);
        service.saveSubject(item);
        verify(dao).save(item);
    }

    @Test
    public void findSubjectById() {
        service.findSubjectById(1L);
        verify(dao).findById(1L);
    }

    @Test
    public void findAllSubjects() {
        service.findAllSubjects();
        verify(dao).findAll();
    }

    @Test
    public void updateSubject() {
        Subject item = new Subject();

        doNothing().when(dao).update(1L, item);
        service.updateSubject(1L, item);
        verify(dao).update(1L, item);
    }

    @Test
    public void deleteSubjectById() {
        doNothing().when(dao).deleteById(1L);
        service.deleteSubjectById(1L);
        verify(dao).deleteById(1L);
    }
}

/* CLASS */
@Service
public class SubjectServiceImpl implements SubjectService {

    /**
     * This is default constructor.
     */
    public SubjectServiceImpl() {
        // Default constructor
    }

    @Override
    public void saveSubject(final Subject subject) {
        // Nothing
    }

    @Override
    public Subject findSubjectById(final Long idSubject) {
        return null;
    }

    @Override
    public List<Subject> findAllSubjects() {
        return null;
    }

    @Override
    public void updateSubject(final Long idSubject, final Subject subject) {
        // Nothing
    }

    @Override
    public void deleteSubjectById(final Long idSubject) {
        // Nothing
    }
}