@Test
public void returnsSamePageIfNoSpecGiven() throws Exception {
Pageable pageable = new PageRequest(0, 1);
flushTestUsers();
assertEquals(userDao.readAll(pageable), userDao.readAll(null, pageable));
}
@Test
public void executesCombinedSpecificationsCorrectly() {
flushTestUsers();
Specification<User> spec = where(userHasFirstname("Oliver")).or(userHasLastname("Arrasz"));
assertThat(userDao.readAll(spec).size(), is(2));
}
/** Tests reading all users. */
@Test
public void testReadAll() {
flushTestUsers();
List<User> reference = Arrays.asList(firstUser, secondUser);
assertTrue(userDao.readAll().containsAll(reference));
}
private Page<User> executeSpecWithSort(Sort sort) {
flushTestUsers();
Specification<User> spec = where(userHasFirstname("Oliver")).or(userHasLastname("Matthews"));
Page<User> result = userDao.readAll(spec, new PageRequest(0, 1, sort));
assertThat(result.getTotalElements(), is(2L));
return result;
}
@Test
public void executesCombinedSpecificationsWithPageableCorrectly() {
flushTestUsers();
Specification<User> spec = where(userHasFirstname("Oliver")).or(userHasLastname("Arrasz"));
Page<User> users = userDao.readAll(spec, new PageRequest(0, 1));
assertThat(users.getSize(), is(1));
assertThat(users.hasPreviousPage(), is(false));
assertThat(users.getTotalElements(), is(2L));
}
@Test
public void returnsAllSortedCorrectly() throws Exception {
flushTestUsers();
List<User> result = userDao.readAll(new Sort(Order.ASCENDING, "lastname"));
assertNotNull(result);
assertThat(result.size(), is(3));
assertThat(result.get(0), is(secondUser));
assertThat(result.get(1), is(firstUser));
assertThat(result.get(2), is(thirdUser));
}
@Test
public void returnsAllAsPageIfNoPageableIsGiven() throws Exception {
flushTestUsers();
assertEquals(new PageImpl<User>(userDao.readAll()), userDao.readAll((Pageable) null));
}
@Test
public void returnsSameListIfNoSortIsGiven() throws Exception {
flushTestUsers();
assertSameElements(userDao.readAll((Sort) null), userDao.readAll());
}
@Test
public void returnsSameListIfNoSpecGiven() throws Exception {
flushTestUsers();
assertSameElements(userDao.readAll(), userDao.readAll((Specification<User>) null));
}
@Test
public void executesSpecificationCorrectly() {
flushTestUsers();
assertThat(userDao.readAll(where(userHasFirstname("Oliver"))).size(), is(1));
}