Examples with WatchEvent java.nio.file.WatchEvent used on opensource projects

Example 46 with WatchEvent

use of java.nio.file.WatchEvent 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 47 with WatchEvent

use of java.nio.file.WatchEvent 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 48 with WatchEvent

use of java.nio.file.WatchEvent 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 49 with WatchEvent

use of java.nio.file.WatchEvent in project buck by facebook.

the class WatchmanWatcherTest method whenParseTimesOutThenOverflowGenerated.

@Test
public void whenParseTimesOutThenOverflowGenerated() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("version", "2.9.2", "clock", "c:1386170113:26390:5:50273", "is_fresh_instance", true, "files", ImmutableList.of());
    final Set<WatchEvent<?>> events = Sets.newHashSet();
    EventBus bus = new EventBus("watchman test");
    bus.register(new Object() {

        @Subscribe
        public void listen(WatchEvent<?> event) {
            events.add(event);
        }
    });
    WatchmanWatcher watcher = createWatcher(bus, new FakeWatchmanClient(10000000000L, /* queryElapsedTimeNanos */
    ImmutableMap.of(FAKE_UUID_QUERY, watchmanOutput)), -1);
    watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.NONE);
    boolean overflowSeen = false;
    for (WatchEvent<?> event : events) {
        overflowSeen |= event.kind().equals(StandardWatchEventKinds.OVERFLOW);
    }
    assertTrue(overflowSeen);
}

Example 50 with WatchEvent

use of java.nio.file.WatchEvent in project buck by facebook.

the class WatchmanWatcherTest method whenWatchmanInstanceIsFreshAndActionIsNoneThenCachesNotCleared.

@Test
public void whenWatchmanInstanceIsFreshAndActionIsNoneThenCachesNotCleared() throws IOException, InterruptedException {
    ImmutableMap<String, Object> watchmanOutput = ImmutableMap.of("version", "2.9.2", "clock", "c:1386170113:26390:5:50273", "is_fresh_instance", true, "files", ImmutableList.of());
    final Set<WatchEvent<?>> events = Sets.newHashSet();
    EventBus bus = new EventBus("watchman test");
    bus.register(new Object() {

        @Subscribe
        public void listen(WatchEvent<?> event) {
            events.add(event);
        }
    });
    WatchmanWatcher watcher = createWatcher(bus, watchmanOutput);
    watcher.postEvents(BuckEventBusFactory.newInstance(new FakeClock(0)), WatchmanWatcher.FreshInstanceAction.NONE);
    boolean overflowSeen = false;
    for (WatchEvent<?> event : events) {
        overflowSeen |= event.kind().equals(StandardWatchEventKinds.OVERFLOW);
    }
    assertFalse(overflowSeen);
}