// The UserDAO
	public User login(String username, String password) {
		DetachedCriteria criteria = DetachedCriteria.forClass(User.class);
		criteria.add(Restrictions.eq("username", username));
		criteria.add(Restrictions.eq("password", password));
		criteria.setResultTransformer(DetachedCriteria.DISTINCT_ROOT_ENTITY);

		List<User> list = getHibernateTemplate().findByCriteria(criteria);
		if (list == null || list.size() == 0) {
			return null;
		}
		return list.get(0);
	}

// Test class
public class UserDAOTest {

	@Mock
	private HibernateTemplate hibernateTemplate;
	@InjectMocks
	private UserDAO userDAO;


	@BeforeClass
	public void init() {
		userDAO = new UserDAOHibernateImpl(User.class);
		MockitoAnnotations.initMocks(this);
	}

	@Test
	public void testLogin() {
		List<User> users = new ArrayList<User>();
		users.add(new User());

		DetachedCriteria criteria = DetachedCriteria.forClass(User.class);
		criteria.add(Restrictions.eq("username", "username"));
		criteria.add(Restrictions.eq("password", "password"));
		criteria.setResultTransformer(DetachedCriteria.DISTINCT_ROOT_ENTITY);
		when(hibernateTemplate.findByCriteria(criteria)).thenReturn(users);

		User user = userDAO.login("username", "password");
		verify(hibernateTemplate).findByCriteria(criteria);

		assertNotNull(user);
	}
}


// The exception
FAILED: testLogin
Argument(s) are different! Wanted:
hibernateTemplate.findByCriteria(
    DetachableCriteria(CriteriaImpl(org.durre.memories.pojos.User:this[][username=username, password=password]))
);
-> at org.durre.memories.dao.UserDAOTest.testLogin(UserDAOTest.java:50)
Actual invocation has different arguments:
hibernateTemplate.findByCriteria(
    DetachableCriteria(CriteriaImpl(org.durre.memories.pojos.User:this[][username=username, password=password]))
);