Examples with Cancelable com.amplifyframework.core.async.Cancelable used on opensource projects

Example 1 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class SubscriptionProcessorTest method arrangeStartedSubscriptions.

private static void arrangeStartedSubscriptions(AppSync appSync, List<ModelSchema> modelSchemas, SubscriptionType[] subscriptionTypes) {
    Answer<Cancelable> answer = invocation -> {
        final int startConsumerIndex = 1;
        Consumer<String> onStart = invocation.getArgument(startConsumerIndex);
        onStart.accept(RandomString.string());
        return new NoOpCancelable();
    };
    arrangeSubscriptions(appSync, answer, modelSchemas, subscriptionTypes);
}

Example 2 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class SubscriptionProcessorTest method appSyncInvokedWhenSubscriptionsStarted.

/**
 * When {@link SubscriptionProcessor#startSubscriptions()} is invoked,
 * the {@link AppSync} client receives subscription requests.
 */
@Test
public void appSyncInvokedWhenSubscriptionsStarted() {
    // For every Class-SubscriptionType pairing, use a CountDownLatch
    // to tell whether or not we've "seen" a subscription event for it.
    Map<Pair<ModelSchema, SubscriptionType>, CountDownLatch> seen = new HashMap<>();
    // Build a stream of such pairs.
    Observable.fromIterable(modelSchemas).flatMap(modelSchema -> Observable.fromArray(SubscriptionType.values()).map(value -> Pair.create(modelSchema, value))).blockingForEach(pair -> {
        // For each one, store a latch. Add a mocking behavior to count down
        // the latch when the subscription API is hit, for that class and subscription type.
        CountDownLatch latch = new CountDownLatch(1);
        seen.put(Pair.create(pair.first, pair.second), latch);
        Answer<Cancelable> answer = invocation -> {
            latch.countDown();
            return new NoOpCancelable();
        };
        arrangeSubscription(appSync, answer, pair.first, pair.second);
    });
    // Act: start some subscriptions.
    try {
        subscriptionProcessor.startSubscriptions();
    } catch (DataStoreException exception) {
    // startSubscriptions throws this exception if it doesn't receive the start_ack messages after a time out.
    // This test doesn't mock those start_ack messages, so this expection is expected.  That's okay though -
    // we just want to verify that the subscriptions were requested.
    }
    // Make sure that all of the subscriptions have been
    Observable.fromIterable(seen.entrySet()).blockingForEach(entry -> {
        CountDownLatch latch = entry.getValue();
        assertTrue(latch.await(OPERATION_TIMEOUT_MS, TimeUnit.MILLISECONDS));
    });
}

Example 3 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class ObserveQueryExecutorTest method observeQueryCancelsTheOperationOnCancel.

/**
 * testing cancel on observe query.
 * @throws DataStoreException DataStoreException
 */
@Test
public void observeQueryCancelsTheOperationOnCancel() throws DataStoreException {
    final BlogOwner blogOwner = BlogOwner.builder().name("Alan Turing").build();
    List<BlogOwner> resultList = new ArrayList<>();
    resultList.add(blogOwner);
    Consumer<DataStoreQuerySnapshot<BlogOwner>> onQuerySnapshot = NoOpConsumer.create();
    Consumer<DataStoreException> onObservationError = NoOpConsumer.create();
    Action onObservationComplete = () -> {
    };
    SqlQueryProcessor mockSqlQueryProcessor = mock(SqlQueryProcessor.class);
    when(mockSqlQueryProcessor.queryOfflineData(eq(BlogOwner.class), any(), any())).thenReturn(resultList);
    Subject<StorageItemChange<? extends Model>> subject = PublishSubject.<StorageItemChange<? extends Model>>create().toSerialized();
    ExecutorService threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 5);
    ObserveQueryExecutor<BlogOwner> observeQueryExecutor = new ObserveQueryExecutor<>(subject, mockSqlQueryProcessor, threadPool, mock(SyncStatus.class), new ModelSorter<>(), DataStoreConfiguration.defaults());
    Consumer<Cancelable> observationStarted = value -> {
        value.cancel();
        Assert.assertTrue(observeQueryExecutor.getIsCancelled());
        assertEquals(0, observeQueryExecutor.getCompleteMap().size());
        assertEquals(0, observeQueryExecutor.getChangeList().size());
        subject.test().assertNoErrors().isDisposed();
    };
    observeQueryExecutor.observeQuery(BlogOwner.class, new ObserveQueryOptions(null, null), observationStarted, onQuerySnapshot, onObservationError, onObservationComplete);
}

Example 4 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class ObserveQueryExecutorTest method observeQueryReturnsRecordsBasedOnMaxTime.

/**
 * observe Query Returns batched Records Based On MaxTime.
 * @throws InterruptedException InterruptedException
 * @throws DataStoreException DataStoreException
 */
@Test
public void observeQueryReturnsRecordsBasedOnMaxTime() throws InterruptedException, DataStoreException {
    CountDownLatch latch = new CountDownLatch(1);
    CountDownLatch changeLatch = new CountDownLatch(1);
    AtomicInteger count = new AtomicInteger();
    BlogOwner blogOwner = BlogOwner.builder().name("Alan Turing").build();
    List<BlogOwner> datastoreResultList = new ArrayList<>();
    int maxRecords = 50;
    datastoreResultList.add(blogOwner);
    Consumer<Cancelable> observationStarted = NoOpConsumer.create();
    SyncStatus mockSyncStatus = mock(SyncStatus.class);
    when(mockSyncStatus.get(any(), any())).thenReturn(false);
    Subject<StorageItemChange<? extends Model>> subject = PublishSubject.<StorageItemChange<? extends Model>>create().toSerialized();
    Consumer<DataStoreQuerySnapshot<BlogOwner>> onQuerySnapshot = value -> {
        if (count.get() == 0) {
            Assert.assertTrue(value.getItems().contains(blogOwner));
            latch.countDown();
        } else if (count.get() == 1) {
            Assert.assertEquals(6, value.getItems().size());
            changeLatch.countDown();
        }
        count.getAndIncrement();
    };
    Consumer<DataStoreException> onObservationError = NoOpConsumer.create();
    Action onObservationComplete = () -> {
    };
    SqlQueryProcessor mockSqlQueryProcessor = mock(SqlQueryProcessor.class);
    when(mockSqlQueryProcessor.queryOfflineData(eq(BlogOwner.class), any(), any())).thenReturn(datastoreResultList);
    when(mockSqlQueryProcessor.modelExists(any(), any())).thenReturn(true);
    ExecutorService threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 5);
    ObserveQueryExecutor<BlogOwner> observeQueryExecutor = new ObserveQueryExecutor<>(subject, mockSqlQueryProcessor, threadPool, mockSyncStatus, new ModelSorter<>(), maxRecords, 1);
    observeQueryExecutor.observeQuery(BlogOwner.class, new ObserveQueryOptions(), observationStarted, onQuerySnapshot, onObservationError, onObservationComplete);
    Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
    for (int i = 0; i < 5; i++) {
        BlogOwner itemChange = BlogOwner.builder().name("Alan Turing" + i).build();
        try {
            subject.onNext(StorageItemChange.<BlogOwner>builder().changeId(UUID.randomUUID().toString()).initiator(StorageItemChange.Initiator.SYNC_ENGINE).item(itemChange).patchItem(SerializedModel.create(itemChange, ModelSchema.fromModelClass(BlogOwner.class))).modelSchema(ModelSchema.fromModelClass(BlogOwner.class)).predicate(QueryPredicates.all()).type(StorageItemChange.Type.UPDATE).build());
        } catch (AmplifyException exception) {
            exception.printStackTrace();
        }
    }
    Assert.assertTrue(changeLatch.await(5, TimeUnit.SECONDS));
}

Example 5 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class ObserveQueryExecutorTest method observeQueryReturnsSortedListOfTotalItems.

/**
 * observe Query Returns Sorted List Of Total Items.
 * @throws InterruptedException InterruptedException
 * @throws DataStoreException DataStoreException
 */
@Test
public void observeQueryReturnsSortedListOfTotalItems() throws InterruptedException, DataStoreException {
    CountDownLatch latch = new CountDownLatch(1);
    CountDownLatch changeLatch = new CountDownLatch(1);
    AtomicInteger count = new AtomicInteger();
    List<String> names = Arrays.asList("John", "Jacob", "Joe", "Bob", "Bobby", "Bobb", "Dan", "Dany", "Daniel");
    List<String> weas = Arrays.asList("pon", "lth", "ver", "kly", "ken", "sel", "ner", "rer", "ned");
    List<BlogOwner> owners = new ArrayList<>();
    for (int i = 0; i < names.size() / 2; i++) {
        BlogOwner owner = BlogOwner.builder().name(names.get(i)).wea(weas.get(i)).build();
        owners.add(owner);
    }
    int maxRecords = 50;
    Consumer<Cancelable> observationStarted = NoOpConsumer.create();
    SyncStatus mockSyncStatus = mock(SyncStatus.class);
    when(mockSyncStatus.get(any(), any())).thenReturn(false);
    Subject<StorageItemChange<? extends Model>> subject = PublishSubject.<StorageItemChange<? extends Model>>create().toSerialized();
    Consumer<DataStoreQuerySnapshot<BlogOwner>> onQuerySnapshot = value -> {
        if (count.get() == 0) {
            Assert.assertTrue(value.getItems().contains(owners.get(0)));
            latch.countDown();
        } else if (count.get() == 1) {
            List<BlogOwner> sorted = new ArrayList<>(owners);
            Collections.sort(sorted, Comparator.comparing(BlogOwner::getName).reversed().thenComparing(BlogOwner::getWea));
            assertEquals(sorted, value.getItems());
            Assert.assertEquals(8, value.getItems().size());
            changeLatch.countDown();
        }
        count.getAndIncrement();
    };
    Consumer<DataStoreException> onObservationError = NoOpConsumer.create();
    Action onObservationComplete = () -> {
    };
    SqlQueryProcessor mockSqlQueryProcessor = mock(SqlQueryProcessor.class);
    when(mockSqlQueryProcessor.queryOfflineData(eq(BlogOwner.class), any(), any())).thenReturn(owners);
    when(mockSqlQueryProcessor.modelExists(any(), any())).thenReturn(true);
    ExecutorService threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 5);
    ObserveQueryExecutor<BlogOwner> observeQueryExecutor = new ObserveQueryExecutor<>(subject, mockSqlQueryProcessor, threadPool, mockSyncStatus, new ModelSorter<>(), maxRecords, 1);
    List<QuerySortBy> sortBy = new ArrayList<>();
    sortBy.add(BlogOwner.NAME.descending());
    sortBy.add(BlogOwner.WEA.ascending());
    observeQueryExecutor.observeQuery(BlogOwner.class, new ObserveQueryOptions(null, sortBy), observationStarted, onQuerySnapshot, onObservationError, onObservationComplete);
    Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
    for (int i = (names.size() / 2) + 1; i < names.size(); i++) {
        BlogOwner itemChange = BlogOwner.builder().name(names.get(i)).wea(weas.get(i)).build();
        owners.add(itemChange);
        try {
            subject.onNext(StorageItemChange.<BlogOwner>builder().changeId(UUID.randomUUID().toString()).initiator(StorageItemChange.Initiator.SYNC_ENGINE).item(itemChange).patchItem(SerializedModel.create(itemChange, ModelSchema.fromModelClass(BlogOwner.class))).modelSchema(ModelSchema.fromModelClass(BlogOwner.class)).predicate(QueryPredicates.all()).type(StorageItemChange.Type.CREATE).build());
        } catch (AmplifyException exception) {
            exception.printStackTrace();
        }
    }
    Assert.assertTrue(changeLatch.await(7, TimeUnit.SECONDS));
}