/** A simple test to check we can retrieve all candidates. */
@Test
public void testFindByAll() {
CandidateDaoJpa dao = new CandidateDaoJpa();
dao.setEntityManager(this.em);
Collection<Candidate> found = dao.findAll();
assertEquals("candidate should have 3 entries", found.size(), 3);
}
/** A simple test to check we can find an existing candidate. */
@Test
public void testFindById() {
CandidateDaoJpa dao = new CandidateDaoJpa();
dao.setEntityManager(this.em);
Candidate found = dao.findById(1);
assertNotNull("candidate should not be null", found);
assertEquals("candidate should have id 1", found.getId(), new Integer(1));
}
/**
* Test to check we can add a simple candidate to the database and then retrieve it back. Simple
* candidate means it has no relationships.
*
* @throws DaoStoreException
*/
@Test
public void testPersit() throws DaoStoreException {
CandidateDaoJpa dao = new CandidateDaoJpa();
dao.setEntityManager(this.em);
Collection<Candidate> found = dao.findAll();
int initial = found.size();
Candidate candidate = new Candidate();
candidate.setName("test candidate");
candidate.setAddress("test address");
candidate.setEmail("*****@*****.**");
dao.persist(candidate);
found = dao.findAll();
int after = found.size();
assertEquals("candidate size should have increased", initial + 1, after);
}
/**
* Test to check we can remove a candidate from the database.
*
* @throws DaoStoreException
*/
@Test
public void testRemove() throws DaoStoreException {
CandidateDaoJpa dao = new CandidateDaoJpa();
dao.setEntityManager(this.em);
Collection<Candidate> found = dao.findAll();
int initial = found.size();
// remove the candidate
Candidate candidate = dao.findById(new Integer(1));
dao.remove(candidate);
found = dao.findAll();
int after = found.size();
assertEquals("candidate size should have decreased", initial - 1, after);
}