@Test public void removeMessageListener_whenAlreadyRemoved() { final ReliableMessageListenerMock listener = new ReliableMessageListenerMock(); String id = topic.addMessageListener(listener); topic.removeMessageListener(id); boolean result = topic.removeMessageListener(id); assertFalse(result); topic.publish("1"); // it should not receive any events assertTrueDelayed5sec( new AssertTask() { @Override public void run() throws Exception { assertEquals(0, listener.objects.size()); } }); }
@Test public void removeMessageListener_whenNonExisting() { boolean result = topic.removeMessageListener(UUID.randomUUID().toString()); assertFalse(result); }
@Test(expected = NullPointerException.class) public void removeMessageListener_whenNull() { topic.removeMessageListener(null); }