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

Example 26 with EventBus

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

the class WatchmanWatcherTest method whenQueryResultContainsErrorThenHumanReadableExceptionThrown.

@Test
public void whenQueryResultContainsErrorThenHumanReadableExceptionThrown() throws IOException, InterruptedException {
    String watchmanError = "Watch does not exist.";
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("version", "2.9.2", "error", watchmanError);
    EventBus eventBus = createStrictMock(EventBus.class);
    eventBus.post(anyObject());
    replay(eventBus);
    WatchmanWatcher watcher = createWatcher(eventBus, watchmanOutput);
    try {
        watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.NONE);
        fail("Should have thrown RuntimeException");
    } catch (RuntimeException e) {
        assertThat("Should contain watchman error.", e.getMessage(), Matchers.containsString(watchmanError));
    }
}

Example 27 with EventBus

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

the class WatchmanWatcherTest method whenNameThenModifyEventIsGenerated.

@Test
public void whenNameThenModifyEventIsGenerated() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("files", ImmutableList.of(ImmutableMap.<String, Object>of("name", "foo/bar/baz")));
    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 modify event.", StandardWatchEventKinds.ENTRY_MODIFY, eventCapture.getValue().kind());
    assertEquals("Path should match watchman output.", MorePaths.pathWithPlatformSeparators("foo/bar/baz"), eventCapture.getValue().context().toString());
}

Example 28 with EventBus

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

the class WatchmanWatcherTest method whenWatchmanCellReportsFilesChangedThenPostEvent.

@Test
public void whenWatchmanCellReportsFilesChangedThenPostEvent() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanRootOutput = ImmutableMap.of("files", ImmutableList.of());
    ImmutableMap<String, Object> watchmanSecondaryOutput = ImmutableMap.of("files", ImmutableList.of(ImmutableMap.<String, Object>of("name", "foo/bar/baz")));
    WatchmanWatcher watcher = new WatchmanWatcher(new EventBus("watchman test"), new FakeWatchmanClient(0, ImmutableMap.of(FAKE_CLOCK_QUERY, watchmanRootOutput, FAKE_SECONDARY_QUERY.toList("c:0:0"), watchmanSecondaryOutput)), 10000, ImmutableMap.of(FAKE_ROOT, FAKE_QUERY, FAKE_SECONDARY_ROOT, FAKE_SECONDARY_QUERY), ImmutableMap.of(FAKE_ROOT, new WatchmanCursor("c:0:0"), FAKE_SECONDARY_ROOT, new WatchmanCursor("c:0:0")));
    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) {
        System.err.println(String.format("Event: %s", event));
        zeroFilesChangedSeen |= event.getEventName().equals("WatchmanZeroFileChanges");
    }
    assertFalse(zeroFilesChangedSeen);
}

Example 29 with EventBus

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

the class WatchmanWatcherTest method whenWatchmanProducesAWarningThenDiagnosticEventGenerated.

@Test
public void whenWatchmanProducesAWarningThenDiagnosticEventGenerated() throws IOException, InterruptedException {
    String message = "Find me!";
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("files", ImmutableList.of(), "warning", message);
    Capture<WatchmanDiagnosticEvent> eventCapture = newCapture();
    EventBus eventBus = new EventBus("watchman test");
    BuckEventBus buckEventBus = createStrictMock(BuckEventBus.class);
    buckEventBus.post(capture(eventCapture));
    replay(buckEventBus);
    WatchmanWatcher watcher = createWatcher(eventBus, watchmanOutput);
    watcher.postEvents(buckEventBus, WatchmanWatcher.FreshInstanceAction.NONE);
    verify(buckEventBus);
    assertThat(eventCapture.getValue().getDiagnostic().getMessage(), Matchers.containsString(message));
}

Example 30 with EventBus

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

the class WatchmanWatcherTest method whenWatchmanProducesAWarningThenOverflowEventNotGenerated.

@Test
public void whenWatchmanProducesAWarningThenOverflowEventNotGenerated() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("files", ImmutableList.of(), "warning", "message");
    EventBus eventBus = createStrictMock(EventBus.class);
    replay(eventBus);
    WatchmanWatcher watcher = createWatcher(eventBus, watchmanOutput);
    watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.NONE);
    verify(eventBus);
}