Java Code Examples for org.apache.flink.runtime.operators.testutils.MockEnvironment#setExpectedExternalFailureCause()

The following examples show how to use org.apache.flink.runtime.operators.testutils.MockEnvironment#setExpectedExternalFailureCause() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: flink   File: StreamTaskTest.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * This test checks the async exceptions handling wraps the message and cause as an AsynchronousException
 * and propagates this to the environment.
 */
@Test
public void streamTaskAsyncExceptionHandler_handleException_forwardsMessageProperly() {
	MockEnvironment mockEnvironment = MockEnvironment.builder().build();
	RuntimeException expectedException = new RuntimeException("RUNTIME EXCEPTION");

	final StreamTask.StreamTaskAsyncExceptionHandler asyncExceptionHandler = new StreamTask.StreamTaskAsyncExceptionHandler(mockEnvironment);

	mockEnvironment.setExpectedExternalFailureCause(AsynchronousException.class);
	final String expectedErrorMessage = "EXPECTED_ERROR MESSAGE";

	asyncExceptionHandler.handleAsyncException(expectedErrorMessage, expectedException);

	// expect an AsynchronousException containing the supplied error details
	Optional<? extends Throwable> actualExternalFailureCause = mockEnvironment.getActualExternalFailureCause();
	final Throwable actualException = actualExternalFailureCause
		.orElseThrow(() -> new AssertionError("Expected exceptional completion"));

	assertThat(actualException, instanceOf(AsynchronousException.class));
	assertThat(actualException.getMessage(), is("EXPECTED_ERROR MESSAGE"));
	assertThat(actualException.getCause(), is(expectedException));
}
 
Example 2
private void testUserExceptionHandling(AsyncDataStream.OutputMode outputMode) throws Exception {
	UserExceptionAsyncFunction asyncWaitFunction = new UserExceptionAsyncFunction();
	long timeout = 2000L;

	AsyncWaitOperator<Integer, Integer> asyncWaitOperator = new AsyncWaitOperator<>(
		asyncWaitFunction,
		TIMEOUT,
		2,
		outputMode);

	final MockEnvironment mockEnvironment = createMockEnvironment();
	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);

	OneInputStreamOperatorTestHarness<Integer, Integer> harness = new OneInputStreamOperatorTestHarness<>(
		asyncWaitOperator,
		IntSerializer.INSTANCE,
		mockEnvironment);

	harness.open();

	synchronized (harness.getCheckpointLock()) {
		harness.processElement(1, 1L);
	}

	synchronized (harness.getCheckpointLock()) {
		harness.close();
	}

	assertTrue(harness.getEnvironment().getActualExternalFailureCause().isPresent());
}
 
Example 3
private void testTimeoutExceptionHandling(AsyncDataStream.OutputMode outputMode) throws Exception {
	AsyncFunction<Integer, Integer> asyncFunction = new NoOpAsyncFunction<>();
	long timeout = 10L; // 1 milli second

	AsyncWaitOperator<Integer, Integer> asyncWaitOperator = new AsyncWaitOperator<>(
		asyncFunction,
		timeout,
		2,
		outputMode);

	final MockEnvironment mockEnvironment = createMockEnvironment();
	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);

	OneInputStreamOperatorTestHarness<Integer, Integer> harness = new OneInputStreamOperatorTestHarness<>(
		asyncWaitOperator,
		IntSerializer.INSTANCE,
		mockEnvironment);

	harness.open();

	synchronized (harness.getCheckpointLock()) {
		harness.processElement(1, 1L);
	}

	harness.setProcessingTime(10L);

	synchronized (harness.getCheckpointLock()) {
		harness.close();
	}
}
 
Example 4
Source Project: flink   File: AsyncWaitOperatorTest.java    License: Apache License 2.0 5 votes vote down vote up
private void testUserExceptionHandling(AsyncDataStream.OutputMode outputMode) throws Exception {
	UserExceptionAsyncFunction asyncWaitFunction = new UserExceptionAsyncFunction();
	long timeout = 2000L;

	AsyncWaitOperator<Integer, Integer> asyncWaitOperator = new AsyncWaitOperator<>(
		asyncWaitFunction,
		TIMEOUT,
		2,
		outputMode);

	final MockEnvironment mockEnvironment = createMockEnvironment();
	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);

	OneInputStreamOperatorTestHarness<Integer, Integer> harness = new OneInputStreamOperatorTestHarness<>(
		asyncWaitOperator,
		IntSerializer.INSTANCE,
		mockEnvironment);

	harness.open();

	synchronized (harness.getCheckpointLock()) {
		harness.processElement(1, 1L);
	}

	synchronized (harness.getCheckpointLock()) {
		harness.close();
	}

	assertTrue(harness.getEnvironment().getActualExternalFailureCause().isPresent());
}
 
Example 5
Source Project: flink   File: AsyncWaitOperatorTest.java    License: Apache License 2.0 5 votes vote down vote up
private void testTimeoutExceptionHandling(AsyncDataStream.OutputMode outputMode) throws Exception {
	AsyncFunction<Integer, Integer> asyncFunction = new NoOpAsyncFunction<>();
	long timeout = 10L; // 1 milli second

	AsyncWaitOperator<Integer, Integer> asyncWaitOperator = new AsyncWaitOperator<>(
		asyncFunction,
		timeout,
		2,
		outputMode);

	final MockEnvironment mockEnvironment = createMockEnvironment();
	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);

	OneInputStreamOperatorTestHarness<Integer, Integer> harness = new OneInputStreamOperatorTestHarness<>(
		asyncWaitOperator,
		IntSerializer.INSTANCE,
		mockEnvironment);

	harness.open();

	synchronized (harness.getCheckpointLock()) {
		harness.processElement(1, 1L);
	}

	harness.setProcessingTime(10L);

	synchronized (harness.getCheckpointLock()) {
		harness.close();
	}
}
 
Example 6
private void testAsyncTimeout(LazyAsyncFunction lazyAsyncFunction,
		Optional<Class<? extends Throwable>> expectedException,
		StreamRecord<Integer>... expectedRecords) throws Exception {
	final long timeout = 10L;

	final AsyncWaitOperator<Integer, Integer> operator = new AsyncWaitOperator<>(
		lazyAsyncFunction,
		timeout,
		2,
		AsyncDataStream.OutputMode.ORDERED);

	final MockEnvironment mockEnvironment = createMockEnvironment();
	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);

	final OneInputStreamOperatorTestHarness<Integer, Integer> testHarness =
		new OneInputStreamOperatorTestHarness<>(operator, IntSerializer.INSTANCE, mockEnvironment);

	final long initialTime = 0L;
	final ConcurrentLinkedQueue<Object> expectedOutput = new ConcurrentLinkedQueue<>();

	testHarness.open();

	testHarness.setProcessingTime(initialTime);

	synchronized (testHarness.getCheckpointLock()) {
		testHarness.processElement(new StreamRecord<>(1, initialTime));
		testHarness.setProcessingTime(initialTime + 5L);
		testHarness.processElement(new StreamRecord<>(2, initialTime + 5L));
	}

	// trigger the timeout of the first stream record
	testHarness.setProcessingTime(initialTime + timeout + 1L);

	// allow the second async stream record to be processed
	lazyAsyncFunction.countDown();

	// wait until all async collectors in the buffer have been emitted out.
	synchronized (testHarness.getCheckpointLock()) {
		testHarness.close();
	}

	expectedOutput.addAll(Arrays.asList(expectedRecords));

	TestHarnessUtil.assertOutputEquals("Output with watermark was not correct.", expectedOutput, testHarness.getOutput());

	if (expectedException.isPresent()) {
		assertTrue(mockEnvironment.getActualExternalFailureCause().isPresent());
		assertTrue(ExceptionUtils.findThrowable(
			mockEnvironment.getActualExternalFailureCause().get(),
			expectedException.get()).isPresent());
	}
}
 
Example 7
Source Project: Flink-CEPplus   File: StreamTaskTest.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Tests that in case of a failing AsyncCheckpointRunnable all operator snapshot results are
 * cancelled and all non partitioned state handles are discarded.
 */
@Test
public void testFailingAsyncCheckpointRunnable() throws Exception {
	final long checkpointId = 42L;
	final long timestamp = 1L;

	MockEnvironment mockEnvironment = new MockEnvironmentBuilder().build();
	StreamTask<?, ?> streamTask = spy(new EmptyStreamTask(mockEnvironment));
	CheckpointMetaData checkpointMetaData = new CheckpointMetaData(checkpointId, timestamp);

	// mock the operators
	StreamOperator<?> streamOperator1 = mock(StreamOperator.class);
	StreamOperator<?> streamOperator2 = mock(StreamOperator.class);
	StreamOperator<?> streamOperator3 = mock(StreamOperator.class);

	// mock the new state operator snapshots
	OperatorSnapshotFutures operatorSnapshotResult1 = mock(OperatorSnapshotFutures.class);
	OperatorSnapshotFutures operatorSnapshotResult2 = mock(OperatorSnapshotFutures.class);
	OperatorSnapshotFutures operatorSnapshotResult3 = mock(OperatorSnapshotFutures.class);

	RunnableFuture<SnapshotResult<OperatorStateHandle>> failingFuture = mock(RunnableFuture.class);
	when(failingFuture.get()).thenThrow(new ExecutionException(new Exception("Test exception")));

	when(operatorSnapshotResult3.getOperatorStateRawFuture()).thenReturn(failingFuture);

	when(streamOperator1.snapshotState(anyLong(), anyLong(), any(CheckpointOptions.class), any(CheckpointStreamFactory.class))).thenReturn(operatorSnapshotResult1);
	when(streamOperator2.snapshotState(anyLong(), anyLong(), any(CheckpointOptions.class), any(CheckpointStreamFactory.class))).thenReturn(operatorSnapshotResult2);
	when(streamOperator3.snapshotState(anyLong(), anyLong(), any(CheckpointOptions.class), any(CheckpointStreamFactory.class))).thenReturn(operatorSnapshotResult3);

	OperatorID operatorID1 = new OperatorID();
	OperatorID operatorID2 = new OperatorID();
	OperatorID operatorID3 = new OperatorID();
	when(streamOperator1.getOperatorID()).thenReturn(operatorID1);
	when(streamOperator2.getOperatorID()).thenReturn(operatorID2);
	when(streamOperator3.getOperatorID()).thenReturn(operatorID3);

	StreamOperator<?>[] streamOperators = {streamOperator1, streamOperator2, streamOperator3};

	OperatorChain<Void, AbstractStreamOperator<Void>> operatorChain = mock(OperatorChain.class);
	when(operatorChain.getAllOperators()).thenReturn(streamOperators);

	Whitebox.setInternalState(streamTask, "isRunning", true);
	Whitebox.setInternalState(streamTask, "lock", new Object());
	Whitebox.setInternalState(streamTask, "operatorChain", operatorChain);
	Whitebox.setInternalState(streamTask, "cancelables", new CloseableRegistry());
	Whitebox.setInternalState(streamTask, "asyncOperationsThreadPool", newDirectExecutorService());
	Whitebox.setInternalState(streamTask, "configuration", new StreamConfig(new Configuration()));
	Whitebox.setInternalState(streamTask, "checkpointStorage", new MemoryBackendCheckpointStorage(new JobID(), null, null, Integer.MAX_VALUE));

	CheckpointExceptionHandlerFactory checkpointExceptionHandlerFactory = new CheckpointExceptionHandlerFactory();
	CheckpointExceptionHandler checkpointExceptionHandler =
		checkpointExceptionHandlerFactory.createCheckpointExceptionHandler(true, mockEnvironment);
	Whitebox.setInternalState(streamTask, "synchronousCheckpointExceptionHandler", checkpointExceptionHandler);

	StreamTask.AsyncCheckpointExceptionHandler asyncCheckpointExceptionHandler =
		new StreamTask.AsyncCheckpointExceptionHandler(streamTask);
	Whitebox.setInternalState(streamTask, "asynchronousCheckpointExceptionHandler", asyncCheckpointExceptionHandler);

	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);
	streamTask.triggerCheckpoint(checkpointMetaData, CheckpointOptions.forCheckpointWithDefaultLocation());

	verify(streamTask).handleAsyncException(anyString(), any(Throwable.class));

	verify(operatorSnapshotResult1).cancel();
	verify(operatorSnapshotResult2).cancel();
	verify(operatorSnapshotResult3).cancel();
}
 
Example 8
Source Project: flink   File: AsyncWaitOperatorTest.java    License: Apache License 2.0 4 votes vote down vote up
private void testAsyncTimeout(LazyAsyncFunction lazyAsyncFunction,
		Optional<Class<? extends Throwable>> expectedException,
		StreamRecord<Integer>... expectedRecords) throws Exception {
	final long timeout = 10L;

	final AsyncWaitOperator<Integer, Integer> operator = new AsyncWaitOperator<>(
		lazyAsyncFunction,
		timeout,
		2,
		AsyncDataStream.OutputMode.ORDERED);

	final MockEnvironment mockEnvironment = createMockEnvironment();
	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);

	final OneInputStreamOperatorTestHarness<Integer, Integer> testHarness =
		new OneInputStreamOperatorTestHarness<>(operator, IntSerializer.INSTANCE, mockEnvironment);

	final long initialTime = 0L;
	final ConcurrentLinkedQueue<Object> expectedOutput = new ConcurrentLinkedQueue<>();

	testHarness.open();

	testHarness.setProcessingTime(initialTime);

	synchronized (testHarness.getCheckpointLock()) {
		testHarness.processElement(new StreamRecord<>(1, initialTime));
		testHarness.setProcessingTime(initialTime + 5L);
		testHarness.processElement(new StreamRecord<>(2, initialTime + 5L));
	}

	// trigger the timeout of the first stream record
	testHarness.setProcessingTime(initialTime + timeout + 1L);

	// allow the second async stream record to be processed
	lazyAsyncFunction.countDown();

	// wait until all async collectors in the buffer have been emitted out.
	synchronized (testHarness.getCheckpointLock()) {
		testHarness.close();
	}

	expectedOutput.addAll(Arrays.asList(expectedRecords));

	TestHarnessUtil.assertOutputEquals("Output with watermark was not correct.", expectedOutput, testHarness.getOutput());

	if (expectedException.isPresent()) {
		assertTrue(mockEnvironment.getActualExternalFailureCause().isPresent());
		assertTrue(ExceptionUtils.findThrowable(
			mockEnvironment.getActualExternalFailureCause().get(),
			expectedException.get()).isPresent());
	}
}
 
Example 9
Source Project: flink   File: AsyncWaitOperatorTest.java    License: Apache License 2.0 4 votes vote down vote up
private void testAsyncTimeout(
		LazyAsyncFunction lazyAsyncFunction,
		Optional<Class<? extends Throwable>> expectedException,
		StreamRecord<Integer>... expectedRecords) throws Exception {
	final long timeout = 10L;

	final OneInputStreamOperatorTestHarness<Integer, Integer> testHarness =
		createTestHarness(lazyAsyncFunction, timeout, 2, AsyncDataStream.OutputMode.ORDERED);

	final MockEnvironment mockEnvironment = testHarness.getEnvironment();
	mockEnvironment.setExpectedExternalFailureCause(Throwable.class);

	final long initialTime = 0L;
	final ConcurrentLinkedQueue<Object> expectedOutput = new ConcurrentLinkedQueue<>();

	testHarness.open();

	testHarness.setProcessingTime(initialTime);

	synchronized (testHarness.getCheckpointLock()) {
		testHarness.processElement(new StreamRecord<>(1, initialTime));
		testHarness.setProcessingTime(initialTime + 5L);
		testHarness.processElement(new StreamRecord<>(2, initialTime + 5L));
	}

	// trigger the timeout of the first stream record
	testHarness.setProcessingTime(initialTime + timeout + 1L);

	// allow the second async stream record to be processed
	lazyAsyncFunction.countDown();

	// wait until all async collectors in the buffer have been emitted out.
	synchronized (testHarness.getCheckpointLock()) {
		testHarness.endInput();
		testHarness.close();
	}

	expectedOutput.addAll(Arrays.asList(expectedRecords));

	TestHarnessUtil.assertOutputEquals("Output with watermark was not correct.", expectedOutput, testHarness.getOutput());

	if (expectedException.isPresent()) {
		assertTrue(mockEnvironment.getActualExternalFailureCause().isPresent());
		assertTrue(ExceptionUtils.findThrowable(
			mockEnvironment.getActualExternalFailureCause().get(),
			expectedException.get()).isPresent());
	}
}