EmSupplierTest.java 文件源码

@Test
public void lifeCycleTest() {
    EntityManagerFactory emf = mockEmf();
    Coordinator coordinator = new DummyCoordinator();

    EMSupplierImpl emSupplier = new EMSupplierImpl("myunit", emf, coordinator);
    assertIllegalState(emSupplier);
    coordinator.begin("test", 0);
    EntityManager em = emSupplier.get();
    Assert.assertNotNull("EM should be present after preCall", em);
    coordinator.begin("testinner", 0);
    Assert.assertSame("Same EM for inner preCall", em, emSupplier.get());
    coordinator.pop().end();
    Assert.assertSame("EM must still be the same after inner postCall", em, emSupplier.get());
    coordinator.pop().end();
    assertIllegalState(emSupplier);

    boolean clean = emSupplier.close();
    Assert.assertTrue("Shutdown should be clean", clean);
}