@Test public void events_are_collected() { // given: Predicate<Integer> filter = Mockito.mock(UberClasses.cast(Predicate.class)); EventHandler<Integer> filterEH = Mockito.mock(UberClasses.cast(EventHandler.class)); Mockito.when(filter.test(Matchers.any())).thenReturn(true); Mockito.when(filterEH.test(Matchers.any())).thenReturn(true); Mockito.when(filter.test(200)).thenReturn(false); EventCollector<Listener, Integer> collector = createCollector(filter, filterEH); Listener target = collector.getTarget(); // when: target.event(100); target.event(200); target.event(300); // then: Mockito.verify(filter, Mockito.times(3)).test(Matchers.any()); Mockito.verify(filterEH, Mockito.times(3)).test(Matchers.any()); // and: List<Integer> events = collector.getEvents(); Assert.assertThat(events, contains(100, 300)); Assert.assertThat(collector.getLastEvent(), equalTo(300)); }
@Test public void eventCombiner_capture_selective() { // given: EventCombiner<Listener, String> combiner = EventCombiner.forCaptor((l, c) -> l.event2(Matchers.any(), c.capture())); Predicate<String> filter = Mockito.mock(UberClasses.cast(Predicate.class)); Mockito.when(filter.test("qwe")).thenReturn(true); Mockito.when(filter.test("rty")).thenReturn(false); EventCollector<Listener, String> collector = EventCollector.create(Listener.class, combiner, filter); Listener target = collector.getTarget(); // when target.event2(42, "qwe"); target.event2(12, "rty"); target.event(100); // then InOrder order = Mockito.inOrder(filter); order.verify(filter, Mockito.times(1)).test("qwe"); order.verify(filter, Mockito.times(1)).test("rty"); order.verifyNoMoreInteractions(); // and: List<String> events = collector.getEvents(); Assert.assertThat(events, contains("qwe")); Assert.assertThat(collector.getLastEvent(), equalTo("qwe")); }