Examples with AssertExtensions.assertThrows io.pravega.test.common.AssertExtensions.assertThrows used on opensource projects

Example 1 with AssertExtensions.assertThrows

use of io.pravega.test.common.AssertExtensions.assertThrows in project pravega by pravega.

the class SegmentOutputStreamTest method testExceptionSealedCallback.

@Test(timeout = 10000)
public void testExceptionSealedCallback() throws Exception {
    UUID cid = UUID.randomUUID();
    PravegaNodeUri uri = new PravegaNodeUri("endpoint", SERVICE_PORT);
    MockConnectionFactoryImpl cf = new MockConnectionFactoryImpl();
    ScheduledExecutorService executor = mock(ScheduledExecutorService.class);
    // Ensure task submitted to executor is run inline.
    implementAsDirectExecutor(executor);
    cf.setExecutor(executor);
    MockController controller = new MockController(uri.getEndpoint(), uri.getPort(), cf, true);
    ClientConnection connection = mock(ClientConnection.class);
    cf.provideConnection(uri, connection);
    AtomicBoolean shouldThrow = new AtomicBoolean(true);
    // call back which throws an exception.
    Consumer<Segment> exceptionCallback = s -> {
        if (shouldThrow.getAndSet(false)) {
            throw new IllegalStateException();
        }
    };
    @SuppressWarnings("resource") SegmentOutputStreamImpl output = new SegmentOutputStreamImpl(SEGMENT, true, controller, cf, cid, exceptionCallback, RETRY_SCHEDULE, DelegationTokenProviderFactory.createWithEmptyToken());
    output.reconnect();
    verify(connection).send(new SetupAppend(output.getRequestId(), cid, SEGMENT, ""));
    cf.getProcessor(uri).appendSetup(new AppendSetup(output.getRequestId(), SEGMENT, cid, 0));
    ByteBuffer data = getBuffer("test");
    CompletableFuture<Void> ack = new CompletableFuture<>();
    output.write(PendingEvent.withoutHeader(null, data, ack));
    assertEquals(false, ack.isDone());
    Mockito.doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            cf.getProcessor(uri).appendSetup(new AppendSetup(output.getRequestId(), SEGMENT, cid, 0));
            return null;
        }
    }).when(connection).send(new SetupAppend(3, cid, SEGMENT, ""));
    AssertExtensions.assertBlocks(() -> {
        AssertExtensions.assertThrows(SegmentSealedException.class, () -> output.flush());
    }, () -> {
        cf.getProcessor(uri).segmentIsSealed(new WireCommands.SegmentIsSealed(output.getRequestId(), SEGMENT, "SomeException", 1));
        output.getUnackedEventsOnSeal();
    });
    verify(connection).send(new WireCommands.KeepAlive());
    verify(connection).send(new Append(SEGMENT, cid, 1, 1, Unpooled.wrappedBuffer(data), null, output.getRequestId()));
    assertEquals(false, ack.isDone());
}

Example 2 with AssertExtensions.assertThrows

use of io.pravega.test.common.AssertExtensions.assertThrows in project pravega by pravega.

the class SegmentOutputStreamTest method testFlushIsBlockedUntilCallBackInvoked.

/**
 * This test ensures that the flush() on a segment is released only after sealed segment callback is invoked.
 * The callback implemented in EventStreamWriter appends this segment to its sealedSegmentQueue.
 */
@Test(timeout = 10000)
public void testFlushIsBlockedUntilCallBackInvoked() throws Exception {
    // Segment sealed callback will finish execution only when the latch is released;
    ReusableLatch latch = new ReusableLatch(false);
    final Consumer<Segment> segmentSealedCallback = segment -> Exceptions.handleInterrupted(() -> latch.await());
    UUID cid = UUID.randomUUID();
    PravegaNodeUri uri = new PravegaNodeUri("endpoint", SERVICE_PORT);
    MockConnectionFactoryImpl cf = new MockConnectionFactoryImpl();
    cf.setExecutor(executorService());
    MockController controller = new MockController(uri.getEndpoint(), uri.getPort(), cf, true);
    ClientConnection connection = mock(ClientConnection.class);
    cf.provideConnection(uri, connection);
    InOrder order = Mockito.inOrder(connection);
    @SuppressWarnings("resource") SegmentOutputStreamImpl output = new SegmentOutputStreamImpl(SEGMENT, true, controller, cf, cid, segmentSealedCallback, RETRY_SCHEDULE, DelegationTokenProviderFactory.createWithEmptyToken());
    output.reconnect();
    order.verify(connection).send(new SetupAppend(output.getRequestId(), cid, SEGMENT, ""));
    cf.getProcessor(uri).appendSetup(new AppendSetup(output.getRequestId(), SEGMENT, cid, 0));
    ByteBuffer data = getBuffer("test");
    CompletableFuture<Void> ack = new CompletableFuture<>();
    output.write(PendingEvent.withoutHeader(null, data, ack));
    order.verify(connection).send(new Append(SEGMENT, cid, 1, 1, Unpooled.wrappedBuffer(data), null, output.getRequestId()));
    assertEquals(false, ack.isDone());
    @Cleanup("shutdownNow") ScheduledExecutorService executor = ExecutorServiceHelpers.newScheduledThreadPool(1, "netty-callback");
    // simulate a SegmentIsSealed WireCommand from SegmentStore.
    executor.submit(() -> cf.getProcessor(uri).segmentIsSealed(new WireCommands.SegmentIsSealed(output.getRequestId(), SEGMENT, "SomeException", 1)));
    AssertExtensions.assertBlocks(() -> {
        AssertExtensions.assertThrows(SegmentSealedException.class, () -> output.flush());
    }, () -> latch.release());
    AssertExtensions.assertThrows(SegmentSealedException.class, () -> output.flush());
}

Example 3 with AssertExtensions.assertThrows

use of io.pravega.test.common.AssertExtensions.assertThrows in project pravega by pravega.

the class FuturesTests method testDoWhileLoopWithCondition.

@Test
public void testDoWhileLoopWithCondition() {
    final int maxLoops = 10;
    final int expectedResult = maxLoops * (maxLoops - 1) / 2;
    AtomicInteger loopCounter = new AtomicInteger();
    AtomicInteger accumulator = new AtomicInteger();
    // 1. Verify this is actually a do-while loop vs a regular while loop.
    Futures.doWhileLoop(() -> {
        accumulator.incrementAndGet();
        return CompletableFuture.completedFuture(0);
    }, // Only one iteration.
    x -> false, ForkJoinPool.commonPool()).join();
    Assert.assertEquals("Unexpected result for loop without a specific accumulator.", 1, accumulator.get());
    // 2. Successful execution.
    loopCounter.set(0);
    accumulator.set(0);
    Futures.doWhileLoop(() -> {
        int i = loopCounter.get();
        accumulator.addAndGet(i);
        return CompletableFuture.completedFuture(loopCounter.incrementAndGet());
    }, x -> x < maxLoops, ForkJoinPool.commonPool()).join();
    Assert.assertEquals("Unexpected result for loop without a specific accumulator.", expectedResult, accumulator.get());
    // 3. With exceptions.
    loopCounter.set(0);
    accumulator.set(0);
    CompletableFuture<Void> loopFuture = Futures.doWhileLoop(() -> {
        if (loopCounter.incrementAndGet() % 3 == 0) {
            throw new IntentionalException();
        } else {
            accumulator.addAndGet(loopCounter.get());
            return CompletableFuture.completedFuture(loopCounter.get());
        }
    }, x -> x < maxLoops, ForkJoinPool.commonPool());
    AssertExtensions.assertThrows("doWhileLoop() did not return a failed Future when one of the loopBody calls returned a failed Future.", loopFuture::join, ex -> ex instanceof IntentionalException);
    Assert.assertEquals("Unexpected value accumulated until loop was interrupted.", 3, accumulator.get());
}