/** Tests whether an exception is reported to the observer. */
@Test
public void testOnException() throws ConcurrentException {
EntityManager em = EasyMock.createMock(EntityManager.class);
EntityTransaction tx = EasyMock.createNiceMock(EntityTransaction.class);
EasyMock.expect(em.getTransaction()).andReturn(tx).anyTimes();
EasyMock.expect(init.get().createEntityManager()).andReturn(em);
final RuntimeException err = new RuntimeException("TestException");
observer.commandExecutionFailed(err);
EasyMock.replay(em, tx, observer, init.get());
ObservableCommandTestImpl cmd =
new ObservableCommandTestImpl(init, observer, em) {
@Override
protected String produceResults(EntityManager em) {
super.produceResults(em);
throw err;
}
};
try {
cmd.execute();
fail("Exception not thrown!");
} catch (Exception ex) {
assertEquals("Wrong exception", err, ex);
}
cmd.onException(err);
EasyMock.verify(em, tx, observer, init.get());
}
/** Tests whether the observer is correctly notified after executing a JPA operation. */
@Test
public void testExecuteJPAOperation() {
EntityManager em = EasyMock.createMock(EntityManager.class);
observer.commandCompletedBackground(RESULT);
EasyMock.replay(em, observer);
ObservableCommandTestImpl cmd = new ObservableCommandTestImpl(init, observer, em);
cmd.executeJPAOperation(em);
assertEquals("Results not available", RESULT, cmd.getResult());
EasyMock.verify(em, observer);
}
/** Tests whether the observer is correctly notified on the event dispatch thread. */
@Test
public void testPerformGUIUpdate() {
final Throwable err = new RuntimeException();
observer.commandCompletedUI(RESULT, err);
EasyMock.replay(observer);
ObservableCommandTestImpl cmd =
new ObservableCommandTestImpl(init, observer) {
@Override
String getResult() {
return RESULT;
}
};
cmd.setException(err);
cmd.performGUIUpdate();
EasyMock.verify(observer);
}
