@Test
public void testPersistence() {
try {
em.getTransaction().begin();
Student u = new Student();
u.setScore(12);
u.setName("eskatos");
em.persist(u);
assertTrue(em.contains(u));
em.remove(u);
assertFalse(em.contains(u));
em.getTransaction().commit();
} catch (Exception ex) {
em.getTransaction().rollback();
ex.printStackTrace();
fail("Exception during testPersistence");
}
}
/**
* Sets a new score for the student.
*
* @param newScore Integer. The new score to set.
*/
public void setScore(int newScore) {
student.setScore(newScore);
}
/** When called; increases the students score by the amount set in REWARD_SCORE (10) */
protected void increaseScore() {
student.setScore(student.getScore() + REWARD_SCORE);
}