Spring DataJpaTest Sample

@RunWith(SpringRunner.class)
@DataJpaTest
@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
public class UserRepositoryTests {

    @Autowired
    private TestEntityManager entityManager;

    @Autowired
    private UserRepository repository;

    @Autowired
    SystemUtils systemUtils;

    AcilUser user;

    @Before
    public void init(){
        user = new User();
        user.setId(111);
        user.setName("name");
        user.setSurname("surname");
        this.entityManager.persist(user);
    }

    @Test
    public void findByIdShouldReturnUser() throws Exception {

        Optional<User> user = this.repository.findOneById(111);

        Assert.assertEquals(user.get().getId(), 111);
    }

    @Test
    @Modifying(clearAutomatically = true)
    public void updateUserStateShouldReturnNewState() throws Exception {

        this.repository.updateUserState(111, UserStatus.ACTIVE.getValue());
        entityManager.refresh(user);
        Optional<User> user = this.repository.findOneById(111);

        Assert.assertEquals(user.get().getState(), UserStatus.ACTIVE.getValue());
    }
}