Examples with EventBus com.google.common.eventbus.EventBus used on opensource projects

Example 51 with EventBus

use of com.google.common.eventbus.EventBus in project buck by facebook.

the class WatchmanWatcherTest method watcherOverflowUpdatesClockId.

@Test
public void watcherOverflowUpdatesClockId() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.<String, Object>of("clock", "c:1:0", "is_fresh_instance", true);
    final Set<WatchEvent<?>> events = Sets.newHashSet();
    EventBus eventBus = new EventBus("watchman test");
    eventBus.register(new Object() {

        @Subscribe
        public void listen(WatchEvent<?> event) {
            events.add(event);
        }
    });
    WatchmanWatcher watcher = createWatcher(eventBus, new FakeWatchmanClient(0, /* queryElapsedTimeNanos */
    ImmutableMap.of(FAKE_CLOCK_QUERY, watchmanOutput)), 10000, /* timeout */
    "c:0:0");
    assertThat(watcher.getWatchmanQuery(FAKE_ROOT), hasItem(hasEntry("since", "c:0:0")));
    watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.POST_OVERFLOW_EVENT);
    assertThat(watcher.getWatchmanQuery(FAKE_ROOT), hasItem(hasEntry("since", "c:1:0")));
    boolean overflowSeen = false;
    for (WatchEvent<?> event : events) {
        overflowSeen |= event.kind().equals(StandardWatchEventKinds.OVERFLOW);
    }
    assertTrue(overflowSeen);
}

Example 52 with EventBus

use of com.google.common.eventbus.EventBus in project buck by facebook.

the class WatchmanWatcherTest method whenFilesListIsEmptyThenNoEventsAreGenerated.

@Test
public void whenFilesListIsEmptyThenNoEventsAreGenerated() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("version", "2.9.2", "clock", "c:1386170113:26390:5:50273", "is_fresh_instance", false, "files", ImmutableList.of());
    EventBus eventBus = createStrictMock(EventBus.class);
    replay(eventBus);
    WatchmanWatcher watcher = createWatcher(eventBus, watchmanOutput);
    watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.NONE);
    verify(eventBus);
}

Example 53 with EventBus

use of com.google.common.eventbus.EventBus in project buck by facebook.

the class WatchmanWatcherTest method whenNewIsTrueThenCreateEventIsGenerated.

@Test
public void whenNewIsTrueThenCreateEventIsGenerated() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("files", ImmutableList.of(ImmutableMap.<String, Object>of("name", "foo/bar/baz", "new", true)));
    Capture<WatchEvent<Path>> eventCapture = newCapture();
    EventBus eventBus = createStrictMock(EventBus.class);
    eventBus.post(capture(eventCapture));
    replay(eventBus);
    WatchmanWatcher watcher = createWatcher(eventBus, watchmanOutput);
    watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.NONE);
    verify(eventBus);
    assertEquals("Should be create event.", StandardWatchEventKinds.ENTRY_CREATE, eventCapture.getValue().kind());
}

Example 54 with EventBus

use of com.google.common.eventbus.EventBus in project buck by facebook.

the class WatchmanWatcherTest method whenNewAndNotExistsThenDeleteEventIsGenerated.

@Test
public void whenNewAndNotExistsThenDeleteEventIsGenerated() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("files", ImmutableList.of(ImmutableMap.<String, Object>of("name", "foo/bar/baz", "new", true, "exists", false)));
    Capture<WatchEvent<Path>> eventCapture = newCapture();
    EventBus eventBus = createStrictMock(EventBus.class);
    eventBus.post(capture(eventCapture));
    replay(eventBus);
    WatchmanWatcher watcher = createWatcher(eventBus, watchmanOutput);
    watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.NONE);
    verify(eventBus);
    assertEquals("Should be delete event.", StandardWatchEventKinds.ENTRY_DELETE, eventCapture.getValue().kind());
}

Example 55 with EventBus

use of com.google.common.eventbus.EventBus in project buck by facebook.

the class WatchmanWatcherTest method whenWatchmanReportsZeroFilesChangedThenPostEvent.

@Test
public void whenWatchmanReportsZeroFilesChangedThenPostEvent() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("files", ImmutableList.of());
    WatchmanWatcher watcher = createWatcher(new EventBus("watchman test"), watchmanOutput);
    final Set<BuckEvent> events = Sets.newHashSet();
    BuckEventBus bus = BuckEventBusFactory.newInstance(new FakeClock(0));
    bus.register(new Object() {

        @Subscribe
        public void listen(WatchmanStatusEvent event) {
            events.add(event);
        }
    });
    watcher.postEvents(bus, WatchmanWatcher.FreshInstanceAction.POST_OVERFLOW_EVENT);
    boolean zeroFilesChangedSeen = false;
    System.err.println(String.format("Events: %d", events.size()));
    for (BuckEvent event : events) {
        zeroFilesChangedSeen |= event.getEventName().equals("WatchmanZeroFileChanges");
    }
    assertTrue(zeroFilesChangedSeen);
}