@Test
public void executesMethodWithNamedParametersCorrectly() throws Exception {
firstUser = userDao.save(firstUser);
secondUser = userDao.save(secondUser);
assertTrue(
userDao
.findByLastnameOrFirstname("Oliver", "Arrasz")
.containsAll(Arrays.asList(firstUser, secondUser)));
}
@Test
public void savingEmptyCollectionIsNoOp() throws Exception {
List<User> result = userDao.save(new ArrayList<User>());
assertNotNull(result);
assertTrue(result.isEmpty());
}
@Test
public void savingNullCollectionIsNoOp() throws Exception {
List<User> result = userDao.save((Collection<User>) null);
assertNotNull(result);
assertTrue(result.isEmpty());
}
@Test
public void savesCollectionCorrectly() throws Exception {
List<User> result = userDao.save(Arrays.asList(firstUser, secondUser, thirdUser));
assertNotNull(result);
assertThat(result.size(), is(3));
assertThat(result, hasItems(firstUser, secondUser, thirdUser));
}
/** Flushes test users to the database. */
private void flushTestUsers() {
firstUser = userDao.save(firstUser);
secondUser = userDao.save(secondUser);
thirdUser = userDao.save(thirdUser);
userDao.flush();
id = firstUser.getId();
assertThat(id, is(notNullValue()));
assertThat(secondUser.getId(), is(notNullValue()));
assertThat(thirdUser.getId(), is(notNullValue()));
assertThat(userDao.exists(id), is(true));
assertThat(userDao.exists(secondUser.getId()), is(true));
assertThat(userDao.exists(thirdUser.getId()), is(true));
}
/** Tests, that the generic dao implements count correctly. */
@Test
public void testCountsCorrectly() {
Long count = userDao.count();
User user = new User();
user.setEmailAddress("*****@*****.**");
userDao.save(user);
assertTrue(userDao.count().equals(count + 1));
}
/** Tests cascading on {@literal merge} operation. */
@Test
public void testMergingCascadesCollegueas() {
firstUser.addColleague(secondUser);
flushTestUsers();
firstUser.addColleague(new User("Florian", "Hopf", "*****@*****.**"));
firstUser = userDao.save(firstUser);
User reference = userDao.readByPrimaryKey(firstUser.getId());
Set<User> colleagues = reference.getColleagues();
assertNotNull(colleagues);
assertEquals(2, colleagues.size());
}