Examples with Mockito.inOrder org.mockito.Mockito.inOrder used on opensource projects

Example 1 with Mockito.inOrder

use of org.mockito.Mockito.inOrder in project pravega by pravega.

the class SegmentOutputStreamTest method testSegmentSealedFollowedbyConnectionDrop.

@Test(timeout = 10000)
public void testSegmentSealedFollowedbyConnectionDrop() throws Exception {
    @Cleanup("shutdownNow") ScheduledExecutorService executor = ExecutorServiceHelpers.newScheduledThreadPool(2, "netty-callback");
    // Segment sealed callback will finish execution only when the releaseCallbackLatch is released;
    ReusableLatch releaseCallbackLatch = new ReusableLatch(false);
    ReusableLatch callBackInvokedLatch = new ReusableLatch(false);
    final Consumer<Segment> segmentSealedCallback = segment -> Exceptions.handleInterrupted(() -> {
        callBackInvokedLatch.release();
        releaseCallbackLatch.await();
    });
    // Setup mocks.
    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);
    // Mock client connection that is returned for every invocation of ConnectionFactory#establishConnection.
    ClientConnection connection = mock(ClientConnection.class);
    cf.provideConnection(uri, connection);
    InOrder order = Mockito.inOrder(connection);
    // Create a Segment writer.
    @SuppressWarnings("resource") SegmentOutputStreamImpl output = new SegmentOutputStreamImpl(SEGMENT, true, controller, cf, cid, segmentSealedCallback, RETRY_SCHEDULE, DelegationTokenProviderFactory.createWithEmptyToken());
    // trigger establishment of connection.
    output.reconnect();
    // Verify if SetupAppend is sent over the connection.
    order.verify(connection).send(new SetupAppend(output.getRequestId(), cid, SEGMENT, ""));
    cf.getProcessor(uri).appendSetup(new AppendSetup(output.getRequestId(), SEGMENT, cid, 0));
    // Write an event and ensure inflight has an event.
    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()));
    assertFalse(ack.isDone());
    // Simulate a SegmentIsSealed WireCommand from SegmentStore.
    executor.submit(() -> cf.getProcessor(uri).segmentIsSealed(new WireCommands.SegmentIsSealed(output.getRequestId(), SEGMENT, "SomeException", 1)));
    // Wait until callback invocation has been triggered, but has not completed.
    // If the callback is not invoked the test will fail due to a timeout.
    callBackInvokedLatch.await();
    // Now trigger a connection drop netty callback and wait until it is executed.
    executor.submit(() -> cf.getProcessor(uri).connectionDropped()).get();
    // close is invoked on the connection.
    order.verify(connection).close();
    // Verify no further reconnection attempts which involves sending of SetupAppend wire command.
    order.verifyNoMoreInteractions();
    // Release latch to ensure the callback is completed.
    releaseCallbackLatch.release();
    // Verify no further reconnection attempts which involves sending of SetupAppend wire command.
    order.verifyNoMoreInteractions();
    // Trigger a reconnect again and verify if any new connections are initiated.
    output.reconnect();
    // Reconnect operation will be executed on the executor service.
    ScheduledExecutorService service = executorService();
    service.shutdown();
    // Wait until all the tasks for reconnect have been completed.
    service.awaitTermination(10, TimeUnit.SECONDS);
    // Verify no further reconnection attempts which involves sending of SetupAppend wire command.
    order.verifyNoMoreInteractions();
}

Example 2 with Mockito.inOrder

use of org.mockito.Mockito.inOrder 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());
}