Examples with DataStoreItemChange com.amplifyframework.datastore.DataStoreItemChange used on opensource projects

Example 1 with DataStoreItemChange

use of com.amplifyframework.datastore.DataStoreItemChange in project amplify-android by aws-amplify.

the class RxDataStoreBindingTest method observeCompletesWhenCategoryBehaviorDoes.

/**
 * The Rx binding for the DataStore's observe method is an Observable. It should
 * complete when the Rx binding's completion callback is triggered.
 * @throws InterruptedException If interrupted while test observer is awaiting terminal event
 */
@Test
public void observeCompletesWhenCategoryBehaviorDoes() throws InterruptedException {
    // Category behavior is arranged to complete
    doAnswer(invocation -> {
        // 0 = clazz, 1 = onStart, 2 = onNext, 3 = onFailure, 4 = onComplete
        final int positionOfOnStart = 2;
        Consumer<Cancelable> onStart = invocation.getArgument(positionOfOnStart);
        onStart.accept(new NoOpCancelable());
        final int positionOfOnComplete = 4;
        Action onComplete = invocation.getArgument(positionOfOnComplete);
        onComplete.call();
        // "void"
        return null;
    }).when(delegate).observe(eq(Model.class), anyConsumer(), anyConsumer(), anyConsumer(), anyAction());
    // Act: observe via Rx binding
    TestObserver<DataStoreItemChange<Model>> observer = rxDataStore.observe(Model.class).test();
    observer.await(TIMEOUT_SECONDS, TimeUnit.SECONDS);
    observer.assertComplete();
    verify(delegate).observe(eq(Model.class), anyConsumer(), anyConsumer(), anyConsumer(), anyAction());
}

Example 2 with DataStoreItemChange

use of com.amplifyframework.datastore.DataStoreItemChange in project amplify-android by aws-amplify.

the class RxDataStoreBindingTest method saveCompletesWhenBehaviorEmitsResult.

/**
 * When the DataStore behavior successfully saves a value, the Rx binding
 * for save should just complete.
 * @throws InterruptedException If interrupted while test observer is awaiting terminal event
 */
@Test
public void saveCompletesWhenBehaviorEmitsResult() throws InterruptedException {
    Model model = RandomModel.model();
    // Arrange: category returns notification of change when save is transacted
    doAnswer(invocation -> {
        // 0 = model, 1 = result consumer, 2 = failure consumer
        final int indexOfModel = 0;
        final int indexOfResultConsumer = 1;
        Model modelFromInvocation = invocation.getArgument(indexOfModel);
        Consumer<DataStoreItemChange<Model>> resultConsumer = invocation.getArgument(indexOfResultConsumer);
        resultConsumer.accept(DataStoreItemChange.builder().uuid(modelFromInvocation.getId()).type(Type.CREATE).itemClass(Model.class).initiator(Initiator.LOCAL).item(modelFromInvocation).build());
        return null;
    }).when(delegate).save(eq(model), anyConsumer(), anyConsumer());
    // Act: try to save something.
    TestObserver<Void> observer = rxDataStore.save(model).test();
    // Assert: operation completed
    observer.await(TIMEOUT_SECONDS, TimeUnit.SECONDS);
    observer.assertComplete();
    // Assert: behavior was invoked
    verify(delegate).save(eq(model), anyConsumer(), anyConsumer());
}

Example 3 with DataStoreItemChange

use of com.amplifyframework.datastore.DataStoreItemChange in project amplify-android by aws-amplify.

the class RxDataStoreBindingTest method observeFailsWhenCategoryBehaviorDoes.

/**
 * The Rx binding for the DataStore's observe behavior is an Observable. It should
 * fail with an exception when the DataStore observe method calls back its error consumer.
 * @throws InterruptedException If interrupted while test observer is awaiting terminal event
 */
@Test
public void observeFailsWhenCategoryBehaviorDoes() throws InterruptedException {
    // Arrange for observer() to callback failure
    DataStoreException expectedFailure = new DataStoreException("Expected", "Failure");
    doAnswer(invocation -> {
        // 0 = clazz, 1 = onStart, 2 = onNext, 3 = onFailure, 4 = onComplete
        final int positionOfOnStart = 1;
        Consumer<Cancelable> onStart = invocation.getArgument(positionOfOnStart);
        onStart.accept(new NoOpCancelable());
        final int positionOfOnFailure = 3;
        Consumer<DataStoreException> onFailure = invocation.getArgument(positionOfOnFailure);
        onFailure.accept(expectedFailure);
        // "void"
        return null;
    }).when(delegate).observe(eq(Model.class), anyConsumer(), anyConsumer(), anyConsumer(), anyAction());
    // Act: observe the DataStore via Rx binding
    TestObserver<DataStoreItemChange<Model>> observer = rxDataStore.observe(Model.class).test();
    // Assert: failure is propagated
    observer.await(TIMEOUT_SECONDS, TimeUnit.SECONDS);
    observer.assertError(expectedFailure);
    verify(delegate).observe(eq(Model.class), anyConsumer(), anyConsumer(), anyConsumer(), anyAction());
}

Example 4 with DataStoreItemChange

use of com.amplifyframework.datastore.DataStoreItemChange in project amplify-android by aws-amplify.

the class RxDataStoreBindingTest method deleteCompletesWhenBehaviorEmitsResult.

/**
 * When the DataStore delete behavior returns a result, the Rx binding
 * should just complete.
 * @throws InterruptedException If interrupted while test observer is awaiting terminal event
 */
@Test
public void deleteCompletesWhenBehaviorEmitsResult() throws InterruptedException {
    Model model = RandomModel.model();
    // Arrange for the category to emit a result when delete() is called.
    doAnswer(invocation -> {
        final int indexOModel = 0;
        final int indexOfResultConsumer = 1;
        Model invokedModel = invocation.getArgument(indexOModel);
        Consumer<DataStoreItemChange<Model>> resultConsumer = invocation.getArgument(indexOfResultConsumer);
        resultConsumer.accept(DataStoreItemChange.builder().uuid(invokedModel.getId()).item(invokedModel).initiator(Initiator.LOCAL).type(Type.DELETE).itemClass(Model.class).build());
        return null;
    }).when(delegate).delete(eq(model), anyConsumer(), anyConsumer());
    // Act: okay, call delete() on the Rx binding.
    TestObserver<Void> observer = rxDataStore.delete(model).test();
    observer.await(TIMEOUT_SECONDS, TimeUnit.SECONDS);
    observer.assertComplete();
    verify(delegate).delete(eq(model), anyConsumer(), anyConsumer());
}

Example 5 with DataStoreItemChange

use of com.amplifyframework.datastore.DataStoreItemChange in project amplify-android by aws-amplify.

the class RxDataStoreBindingTest method observeReturnsCategoryBehaviorChanges.

/**
 * The Rx binding for observing the DataStore should be an Observable stream
 * of DataStore changes. It should emit events whenever they are observed
 * on the observe behavior.
 */
@Test
public void observeReturnsCategoryBehaviorChanges() {
    // Arrange: observe(Class<?>) will spit out some values from category behavior.
    Model model = RandomModel.model();
    DataStoreItemChange<Model> changeEvent = DataStoreItemChange.builder().uuid(model.getId()).itemClass(Model.class).item(model).type(Type.CREATE).initiator(Initiator.LOCAL).build();
    doAnswer(invocation -> {
        // 0 = clazz, 1 = start consumer, 2 = item consumer, 3 = failure consumer, 4 = onComplete
        final int positionOfStartConsumer = 1;
        Consumer<Cancelable> onStart = invocation.getArgument(positionOfStartConsumer);
        onStart.accept(new NoOpCancelable());
        final int positionOfValueConsumer = 2;
        Consumer<DataStoreItemChange<Model>> onNext = invocation.getArgument(positionOfValueConsumer);
        onNext.accept(changeEvent);
        // "void"
        return null;
    }).when(delegate).observe(eq(Model.class), anyConsumer(), anyConsumer(), anyConsumer(), anyAction());
    // Act: Observe the DataStore via Rx binding
    TestObserver<DataStoreItemChange<Model>> observer = rxDataStore.observe(Model.class).test();
    // Assert: event is observed
    observer.awaitCount(1).assertValue(changeEvent);
    verify(delegate).observe(eq(Model.class), anyConsumer(), anyConsumer(), anyConsumer(), anyAction());
}