TaskServiceImplTest.java 文件源码

@Test
public void testPersistence() {
    // Make sure derby.log is in target
    System.setProperty("derby.stream.error.file", "target/derby.log");
    TaskServiceImpl taskServiceImpl = new TaskServiceImpl();
    EntityManagerFactory emf = createTestEMF();
    final EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    taskServiceImpl.em = em;

    TaskService taskService = taskServiceImpl;

    Task task = new Task();
    task.setId(1);
    task.setTitle("test");
    taskService.addTask(task);

    Task task2 = taskService.getTask(1);
    Assert.assertEquals(task.getTitle(), task2.getTitle());
    em.getTransaction().commit();
    em.close();
}