Examples with ContentObserver android.database.ContentObserver used on opensource projects

Example 6 with ContentObserver

use of android.database.ContentObserver in project storio by pushtorefresh.

the class RxChangesObserverTest method shouldEmitChangesOnSdkVersionLowerThan16.

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Test
public void shouldEmitChangesOnSdkVersionLowerThan16() {
    for (int sdkVersion = MIN_SDK_VERSION; sdkVersion < 16; sdkVersion++) {
        ContentResolver contentResolver = mock(ContentResolver.class);
        final Map<Uri, ContentObserver> contentObservers = new HashMap<Uri, ContentObserver>(3);
        doAnswer(new Answer() {

            @Override
            public Object answer(InvocationOnMock invocation) throws Throwable {
                contentObservers.put((Uri) invocation.getArguments()[0], (ContentObserver) invocation.getArguments()[2]);
                return null;
            }
        }).when(contentResolver).registerContentObserver(any(Uri.class), eq(true), any(ContentObserver.class));
        TestSubscriber<Changes> testSubscriber = new TestSubscriber<Changes>();
        Uri uri1 = mock(Uri.class);
        Uri uri2 = mock(Uri.class);
        Set<Uri> uris = new HashSet<Uri>(2);
        uris.add(uri1);
        uris.add(uri2);
        RxChangesObserver.observeChanges(contentResolver, uris, mock(Handler.class), sdkVersion).subscribe(testSubscriber);
        testSubscriber.assertNoTerminalEvent();
        testSubscriber.assertNoValues();
        // Emulate change of Uris, Observable should react and emit Changes objects
        contentObservers.get(uri1).onChange(false);
        contentObservers.get(uri2).onChange(false);
        testSubscriber.assertValues(Changes.newInstance(uri1), Changes.newInstance(uri2));
        testSubscriber.unsubscribe();
        testSubscriber.assertNoErrors();
    }
}

Example 7 with ContentObserver

use of android.database.ContentObserver in project storio by pushtorefresh.

the class RxChangesObserverTest method shouldRegisterObserverForEachPassedUriAfterSubscribingToObservableOnSdkVersionLowerThan15.

@Test
public void shouldRegisterObserverForEachPassedUriAfterSubscribingToObservableOnSdkVersionLowerThan15() {
    for (int sdkVersion = MIN_SDK_VERSION; sdkVersion < 16; sdkVersion++) {
        ContentResolver contentResolver = mock(ContentResolver.class);
        final Map<Uri, ContentObserver> contentObservers = new HashMap<Uri, ContentObserver>(3);
        doAnswer(new Answer() {

            @Override
            public Object answer(InvocationOnMock invocation) throws Throwable {
                contentObservers.put((Uri) invocation.getArguments()[0], (ContentObserver) invocation.getArguments()[2]);
                return null;
            }
        }).when(contentResolver).registerContentObserver(any(Uri.class), eq(true), any(ContentObserver.class));
        Set<Uri> uris = new HashSet<Uri>(3);
        uris.add(mock(Uri.class));
        uris.add(mock(Uri.class));
        uris.add(mock(Uri.class));
        Observable<Changes> observable = RxChangesObserver.observeChanges(contentResolver, uris, mock(Handler.class), sdkVersion);
        // Should not register ContentObserver before subscribing to Observable
        verify(contentResolver, times(0)).registerContentObserver(any(Uri.class), anyBoolean(), any(ContentObserver.class));
        Subscription subscription = observable.subscribe();
        for (Uri uri : uris) {
            // Assert that new ContentObserver was registered for each uri
            verify(contentResolver).registerContentObserver(same(uri), eq(true), same(contentObservers.get(uri)));
        }
        assertThat(contentObservers).hasSameSizeAs(uris);
        subscription.unsubscribe();
    }
}

Example 8 with ContentObserver

use of android.database.ContentObserver in project storio by pushtorefresh.

the class RxChangesObserverTest method shouldEmitChangesOnSdkVersionGreaterThan15.

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Test
public void shouldEmitChangesOnSdkVersionGreaterThan15() {
    for (int sdkVersion = 16; sdkVersion < MAX_SDK_VERSION; sdkVersion++) {
        ContentResolver contentResolver = mock(ContentResolver.class);
        final AtomicReference<ContentObserver> contentObserver = new AtomicReference<ContentObserver>();
        doAnswer(new Answer() {

            @Override
            public Object answer(InvocationOnMock invocation) throws Throwable {
                // Save reference to ContentObserver only once to assert that it was created once
                if (contentObserver.get() == null) {
                    contentObserver.set((ContentObserver) invocation.getArguments()[2]);
                } else if (contentObserver.get() != invocation.getArguments()[2]) {
                    throw new AssertionError("More than one ContentObserver was created");
                }
                return null;
            }
        }).when(contentResolver).registerContentObserver(any(Uri.class), eq(true), any(ContentObserver.class));
        TestSubscriber<Changes> testSubscriber = new TestSubscriber<Changes>();
        Uri uri1 = mock(Uri.class);
        Uri uri2 = mock(Uri.class);
        Set<Uri> uris = new HashSet<Uri>(2);
        uris.add(uri1);
        uris.add(uri2);
        RxChangesObserver.observeChanges(contentResolver, uris, mock(Handler.class), sdkVersion).subscribe(testSubscriber);
        testSubscriber.assertNoTerminalEvent();
        testSubscriber.assertNoValues();
        // RxChangesObserver should ignore call to onChange() without Uri on sdkVersion >= 16
        contentObserver.get().onChange(false);
        testSubscriber.assertNoValues();
        // Emulate change of Uris, Observable should react and emit Changes objects
        contentObserver.get().onChange(false, uri1);
        contentObserver.get().onChange(false, uri2);
        testSubscriber.assertValues(Changes.newInstance(uri1), Changes.newInstance(uri2));
        testSubscriber.unsubscribe();
        testSubscriber.assertNoErrors();
    }
}

Example 9 with ContentObserver

use of android.database.ContentObserver in project storio by pushtorefresh.

the class RxChangesObserverTest method shouldUnregisterContentObserverAfterUnsubscribingFromObservableOnSdkVersionGreaterThan15.

@Test
public void shouldUnregisterContentObserverAfterUnsubscribingFromObservableOnSdkVersionGreaterThan15() {
    for (int sdkVersion = 16; sdkVersion < MAX_SDK_VERSION; sdkVersion++) {
        ContentResolver contentResolver = mock(ContentResolver.class);
        Set<Uri> uris = new HashSet<Uri>(3);
        uris.add(mock(Uri.class));
        uris.add(mock(Uri.class));
        uris.add(mock(Uri.class));
        Subscription subscription = RxChangesObserver.observeChanges(contentResolver, uris, mock(Handler.class), sdkVersion).subscribe();
        // Should not unregister before unsubscribe from Subscription
        verify(contentResolver, times(0)).unregisterContentObserver(any(ContentObserver.class));
        subscription.unsubscribe();
        // Should unregister ContentObserver after unsubscribing from Subscription
        verify(contentResolver).unregisterContentObserver(any(ContentObserver.class));
    }
}

Example 10 with ContentObserver

use of android.database.ContentObserver in project storio by pushtorefresh.

the class RxChangesObserverTest method shouldUnregisterContentObserversForEachUriAfterUnsubscribingFromObservableOnSdkVersionLowerThan16.

@Test
public void shouldUnregisterContentObserversForEachUriAfterUnsubscribingFromObservableOnSdkVersionLowerThan16() {
    for (int sdkVersion = MIN_SDK_VERSION; sdkVersion < 16; sdkVersion++) {
        ContentResolver contentResolver = mock(ContentResolver.class);
        Set<Uri> uris = new HashSet<Uri>(3);
        uris.add(mock(Uri.class));
        uris.add(mock(Uri.class));
        uris.add(mock(Uri.class));
        final Map<Uri, ContentObserver> contentObservers = new HashMap<Uri, ContentObserver>(3);
        doAnswer(new Answer() {

            @Override
            public Object answer(InvocationOnMock invocation) throws Throwable {
                contentObservers.put((Uri) invocation.getArguments()[0], (ContentObserver) invocation.getArguments()[2]);
                return null;
            }
        }).when(contentResolver).registerContentObserver(any(Uri.class), eq(true), any(ContentObserver.class));
        Subscription subscription = RxChangesObserver.observeChanges(contentResolver, uris, mock(Handler.class), sdkVersion).subscribe();
        // Should not unregister before unsubscribe from Subscription
        verify(contentResolver, times(0)).unregisterContentObserver(any(ContentObserver.class));
        subscription.unsubscribe();
        for (Uri uri : uris) {
            // Assert that ContentObserver for each uri was unregistered
            verify(contentResolver).unregisterContentObserver(contentObservers.get(uri));
        }
    }
}