Example usage for org.springframework.integration.channel QueueChannel receive

List of usage examples for org.springframework.integration.channel QueueChannel receive

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Introduction

In this page you can find the example usage for org.springframework.integration.channel QueueChannel receive.

Prototype

@Override 
@Nullable
public Message<?> receive(long timeout)

Source Link

Document

Receive the first available message from this channel.

Usage

From source file:org.springframework.integration.mail.ImapMailReceiverTests.java

public void testIdleWithServerGuts(ImapMailReceiver receiver, boolean mapped, boolean simple) throws Exception {
    imapIdleServer.resetServer();/*www .  jav  a  2  s . c om*/
    Properties mailProps = new Properties();
    mailProps.put("mail.debug", "true");
    mailProps.put("mail.imap.connectionpool.debug", "true");
    receiver.setJavaMailProperties(mailProps);
    receiver.setMaxFetchSize(1);
    receiver.setShouldDeleteMessages(false);
    receiver.setShouldMarkMessagesAsRead(true);
    receiver.setCancelIdleInterval(8);
    ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
    setUpScheduler(receiver, taskScheduler);
    receiver.setUserFlag("testSIUserFlag");
    receiver.afterPropertiesSet();
    Log logger = spy(TestUtils.getPropertyValue(receiver, "logger", Log.class));
    new DirectFieldAccessor(receiver).setPropertyValue("logger", logger);
    ImapIdleChannelAdapter adapter = new ImapIdleChannelAdapter(receiver);
    QueueChannel channel = new QueueChannel();
    adapter.setOutputChannel(channel);
    adapter.setTaskScheduler(taskScheduler);
    adapter.start();
    if (!mapped) {
        @SuppressWarnings("unchecked")
        org.springframework.messaging.Message<MimeMessage> received = (org.springframework.messaging.Message<MimeMessage>) channel
                .receive(10000);
        assertNotNull(received);
        assertNotNull(received.getPayload().getReceivedDate());
        assertTrue(received.getPayload().getLineCount() > -1);
        if (simple) {
            assertThat(received.getPayload().getContent(),
                    equalTo(TestMailServer.MailServer.MailHandler.BODY + "\r\n"));
        } else {
            assertThat(received.getPayload().getContent(),
                    equalTo(TestMailServer.MailServer.MailHandler.MESSAGE + "\r\n"));
        }
    } else {
        org.springframework.messaging.Message<?> received = channel.receive(10000);
        assertNotNull(received);
        assertNotNull(received.getHeaders().get(MailHeaders.RAW_HEADERS));
        assertThat((String) received.getHeaders().get(MailHeaders.CONTENT_TYPE),
                equalTo("TEXT/PLAIN; charset=ISO-8859-1"));
        assertThat((String) received.getHeaders().get(MessageHeaders.CONTENT_TYPE),
                equalTo("TEXT/PLAIN; charset=ISO-8859-1"));
        assertThat((String) received.getHeaders().get(MailHeaders.FROM), equalTo("Bar <bar@baz>"));
        assertThat(((String[]) received.getHeaders().get(MailHeaders.TO))[0], equalTo("Foo <foo@bar>"));
        assertThat((String) received.getHeaders().get(MailHeaders.SUBJECT), equalTo("Test Email"));
        if (simple) {
            assertThat(received.getPayload(), equalTo(TestMailServer.MailServer.MailHandler.BODY + "\r\n"));
        } else {
            assertThat(received.getPayload(), equalTo(TestMailServer.MailServer.MailHandler.MESSAGE + "\r\n"));
        }
    }
    assertNotNull(channel.receive(10000)); // new message after idle
    assertNull(channel.receive(10000)); // no new message after second and third idle
    verify(logger).debug("Canceling IDLE");
    taskScheduler.shutdown();
    assertTrue(imapIdleServer.assertReceived("storeUserFlag"));
}

From source file:org.springframework.integration.mail.ImapMailReceiverTests.java

@Test
public void testIdleChannelAdapterException() throws Exception {
    ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
            "ImapIdleChannelAdapterParserTests-context.xml", ImapIdleChannelAdapterParserTests.class);
    ImapIdleChannelAdapter adapter = context.getBean("simpleAdapter", ImapIdleChannelAdapter.class);

    //ImapMailReceiver receiver = (ImapMailReceiver) TestUtils.getPropertyValue(adapter, "mailReceiver");

    DirectChannel channel = new DirectChannel();
    channel.subscribe(new AbstractReplyProducingMessageHandler() {

        @Override/*  w  ww .  j  a v  a2  s  .c o  m*/
        protected Object handleRequestMessage(org.springframework.messaging.Message<?> requestMessage) {
            throw new RuntimeException("Failed");
        }
    });
    adapter.setOutputChannel(channel);
    QueueChannel errorChannel = new QueueChannel();
    adapter.setErrorChannel(errorChannel);

    AbstractMailReceiver receiver = new ImapMailReceiver();
    receiver = spy(receiver);
    receiver.setBeanFactory(mock(BeanFactory.class));
    receiver.afterPropertiesSet();

    Field folderField = AbstractMailReceiver.class.getDeclaredField("folder");
    folderField.setAccessible(true);
    Folder folder = mock(IMAPFolder.class);
    given(folder.getPermanentFlags()).willReturn(new Flags(Flags.Flag.USER));
    folderField.set(receiver, folder);

    willAnswer(invocation -> true).given(folder).isOpen();

    willAnswer(invocation -> null).given(receiver).openFolder();

    DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
    adapterAccessor.setPropertyValue("mailReceiver", receiver);

    MimeMessage mailMessage = mock(MimeMessage.class);
    Flags flags = mock(Flags.class);
    given(mailMessage.getFlags()).willReturn(flags);
    final Message[] messages = new Message[] { mailMessage };

    willAnswer(invocation -> messages).given(receiver).searchForNewMessages();

    willAnswer(invocation -> null).given(receiver).fetchMessages(messages);

    adapter.start();
    org.springframework.messaging.Message<?> replMessage = errorChannel.receive(10000);
    assertNotNull(replMessage);
    assertEquals("Failed", ((Exception) replMessage.getPayload()).getCause().getMessage());
    adapter.stop();
    context.close();
}

From source file:org.springframework.integration.mail.ImapMailReceiverTests.java

@SuppressWarnings("resource")
@Test//  www.j  av  a  2 s  .  co  m
public void testNoInitialIdleDelayWhenRecentNotSupported() throws Exception {
    ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
            "ImapIdleChannelAdapterParserTests-context.xml", ImapIdleChannelAdapterParserTests.class);
    ImapIdleChannelAdapter adapter = context.getBean("simpleAdapter", ImapIdleChannelAdapter.class);

    QueueChannel channel = new QueueChannel();
    adapter.setOutputChannel(channel);

    ImapMailReceiver receiver = new ImapMailReceiver("imap:foo");
    receiver = spy(receiver);
    receiver.setBeanFactory(mock(BeanFactory.class));
    receiver.afterPropertiesSet();

    final IMAPFolder folder = mock(IMAPFolder.class);
    given(folder.getPermanentFlags()).willReturn(new Flags(Flags.Flag.USER));
    given(folder.isOpen()).willReturn(false).willReturn(true);
    given(folder.exists()).willReturn(true);

    DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
    adapterAccessor.setPropertyValue("mailReceiver", receiver);

    Field storeField = AbstractMailReceiver.class.getDeclaredField("store");
    storeField.setAccessible(true);
    Store store = mock(Store.class);
    given(store.isConnected()).willReturn(true);
    given(store.getFolder(Mockito.any(URLName.class))).willReturn(folder);
    storeField.set(receiver, store);

    willAnswer(invocation -> folder).given(receiver).getFolder();

    MimeMessage mailMessage = mock(MimeMessage.class);
    Flags flags = mock(Flags.class);
    given(mailMessage.getFlags()).willReturn(flags);
    final Message[] messages = new Message[] { mailMessage };

    final AtomicInteger shouldFindMessagesCounter = new AtomicInteger(2);
    willAnswer(invocation -> {
        /*
         * Return the message from first invocation of waitForMessages()
         * and in receive(); then return false in the next call to
         * waitForMessages() so we enter idle(); counter will be reset
         * to 1 in the mocked idle().
         */
        if (shouldFindMessagesCounter.decrementAndGet() >= 0) {
            return messages;
        } else {
            return new Message[0];
        }
    }).given(receiver).searchForNewMessages();

    willAnswer(invocation -> null).given(receiver).fetchMessages(messages);

    willAnswer(invocation -> {
        Thread.sleep(5000);
        shouldFindMessagesCounter.set(1);
        return null;
    }).given(folder).idle();

    adapter.start();

    /*
     * Idle takes 5 seconds; if all is well, we should receive the first message
     * before then.
     */
    assertNotNull(channel.receive(3000));
    // We should not receive any more until the next idle elapses
    assertNull(channel.receive(3000));
    assertNotNull(channel.receive(6000));
    adapter.stop();
    context.close();
}

From source file:org.springframework.integration.mail.ImapMailReceiverTests.java

@SuppressWarnings("resource")
@Test/*from   w  w  w . jav  a  2 s .  co  m*/
public void testInitialIdleDelayWhenRecentIsSupported() throws Exception {
    ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
            "ImapIdleChannelAdapterParserTests-context.xml", ImapIdleChannelAdapterParserTests.class);
    ImapIdleChannelAdapter adapter = context.getBean("simpleAdapter", ImapIdleChannelAdapter.class);

    QueueChannel channel = new QueueChannel();
    adapter.setOutputChannel(channel);

    ImapMailReceiver receiver = new ImapMailReceiver("imap:foo");
    receiver = spy(receiver);
    receiver.setBeanFactory(mock(BeanFactory.class));
    receiver.afterPropertiesSet();

    final IMAPFolder folder = mock(IMAPFolder.class);
    given(folder.getPermanentFlags()).willReturn(new Flags(Flags.Flag.RECENT));
    given(folder.isOpen()).willReturn(false).willReturn(true);
    given(folder.exists()).willReturn(true);

    DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
    adapterAccessor.setPropertyValue("mailReceiver", receiver);

    Field storeField = AbstractMailReceiver.class.getDeclaredField("store");
    storeField.setAccessible(true);
    Store store = mock(Store.class);
    given(store.isConnected()).willReturn(true);
    given(store.getFolder(Mockito.any(URLName.class))).willReturn(folder);
    storeField.set(receiver, store);

    willAnswer(invocation -> folder).given(receiver).getFolder();

    MimeMessage mailMessage = mock(MimeMessage.class);
    Flags flags = mock(Flags.class);
    given(mailMessage.getFlags()).willReturn(flags);
    final Message[] messages = new Message[] { mailMessage };

    willAnswer(invocation -> messages).given(receiver).searchForNewMessages();

    willAnswer(invocation -> null).given(receiver).fetchMessages(messages);

    final CountDownLatch idles = new CountDownLatch(2);
    willAnswer(invocation -> {
        idles.countDown();
        Thread.sleep(5000);
        return null;
    }).given(folder).idle();

    adapter.start();

    /*
     * Idle takes 5 seconds; since this server supports RECENT, we should
     * not receive any early messages.
     */
    assertNull(channel.receive(3000));
    assertNotNull(channel.receive(5000));
    assertTrue(idles.await(5, TimeUnit.SECONDS));
    adapter.stop();
    context.close();
}

From source file:org.springframework.integration.mqtt.MqttAdapterTests.java

@Test
public void testInboundOptionsApplied() throws Exception {
    DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();
    factory.setCleanSession(false);/*from  ww  w .ja  v  a  2 s.  c  om*/
    factory.setConnectionTimeout(23);
    factory.setKeepAliveInterval(45);
    factory.setPassword("pass");
    MemoryPersistence persistence = new MemoryPersistence();
    factory.setPersistence(persistence);
    final SocketFactory socketFactory = mock(SocketFactory.class);
    factory.setSocketFactory(socketFactory);
    final Properties props = new Properties();
    factory.setSslProperties(props);
    factory.setUserName("user");
    Will will = new Will("foo", "bar".getBytes(), 2, true);
    factory.setWill(will);

    factory = spy(factory);
    final IMqttClient client = mock(IMqttClient.class);
    willAnswer(invocation -> client).given(factory).getClientInstance(anyString(), anyString());

    final AtomicBoolean connectCalled = new AtomicBoolean();
    final AtomicBoolean failConnection = new AtomicBoolean();
    final CountDownLatch waitToFail = new CountDownLatch(1);
    final CountDownLatch failInProcess = new CountDownLatch(1);
    final CountDownLatch goodConnection = new CountDownLatch(2);
    final MqttException reconnectException = new MqttException(MqttException.REASON_CODE_SERVER_CONNECT_ERROR);
    willAnswer(invocation -> {
        if (failConnection.get()) {
            failInProcess.countDown();
            waitToFail.await(10, TimeUnit.SECONDS);
            throw reconnectException;
        }
        MqttConnectOptions options = invocation.getArgument(0);
        assertEquals(23, options.getConnectionTimeout());
        assertEquals(45, options.getKeepAliveInterval());
        assertEquals("pass", new String(options.getPassword()));
        assertSame(socketFactory, options.getSocketFactory());
        assertSame(props, options.getSSLProperties());
        assertEquals("user", options.getUserName());
        assertEquals("foo", options.getWillDestination());
        assertEquals("bar", new String(options.getWillMessage().getPayload()));
        assertEquals(2, options.getWillMessage().getQos());
        connectCalled.set(true);
        goodConnection.countDown();
        return null;
    }).given(client).connect(any(MqttConnectOptions.class));

    final AtomicReference<MqttCallback> callback = new AtomicReference<MqttCallback>();
    willAnswer(invocation -> {
        callback.set(invocation.getArgument(0));
        return null;
    }).given(client).setCallback(any(MqttCallback.class));

    given(client.isConnected()).willReturn(true);

    MqttPahoMessageDrivenChannelAdapter adapter = new MqttPahoMessageDrivenChannelAdapter("foo", "bar", factory,
            "baz", "fix");
    QueueChannel outputChannel = new QueueChannel();
    adapter.setOutputChannel(outputChannel);
    ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
    taskScheduler.initialize();
    adapter.setTaskScheduler(taskScheduler);
    adapter.setBeanFactory(mock(BeanFactory.class));
    ApplicationEventPublisher applicationEventPublisher = mock(ApplicationEventPublisher.class);
    final BlockingQueue<MqttIntegrationEvent> events = new LinkedBlockingQueue<MqttIntegrationEvent>();
    willAnswer(invocation -> {
        events.add(invocation.getArgument(0));
        return null;
    }).given(applicationEventPublisher).publishEvent(any(MqttIntegrationEvent.class));
    adapter.setApplicationEventPublisher(applicationEventPublisher);
    adapter.setRecoveryInterval(500);
    adapter.afterPropertiesSet();
    adapter.start();

    verify(client, times(1)).connect(any(MqttConnectOptions.class));
    assertTrue(connectCalled.get());

    MqttMessage message = new MqttMessage("qux".getBytes());
    callback.get().messageArrived("baz", message);
    Message<?> outMessage = outputChannel.receive(0);
    assertNotNull(outMessage);
    assertEquals("qux", outMessage.getPayload());

    MqttIntegrationEvent event = events.poll(10, TimeUnit.SECONDS);
    assertThat(event, instanceOf(MqttSubscribedEvent.class));
    assertEquals("Connected and subscribed to [baz, fix]", ((MqttSubscribedEvent) event).getMessage());

    // lose connection and make first reconnect fail
    failConnection.set(true);
    RuntimeException e = new RuntimeException("foo");
    adapter.connectionLost(e);

    event = events.poll(10, TimeUnit.SECONDS);
    assertThat(event, instanceOf(MqttConnectionFailedEvent.class));
    assertSame(event.getCause(), e);

    assertTrue(failInProcess.await(10, TimeUnit.SECONDS));
    waitToFail.countDown();
    failConnection.set(false);
    event = events.poll(10, TimeUnit.SECONDS);
    assertThat(event, instanceOf(MqttConnectionFailedEvent.class));
    assertSame(event.getCause(), reconnectException);

    // reconnect can now succeed; however, we might have other failures on a slow server (500ms retry).
    assertTrue(goodConnection.await(10, TimeUnit.SECONDS));
    int n = 0;
    while (!(event instanceof MqttSubscribedEvent) && n++ < 20) {
        event = events.poll(10, TimeUnit.SECONDS);
    }
    assertThat(event, instanceOf(MqttSubscribedEvent.class));
    assertEquals("Connected and subscribed to [baz, fix]", ((MqttSubscribedEvent) event).getMessage());
    taskScheduler.destroy();
}

From source file:org.springframework.integration.redis.inbound.RedisInboundChannelAdapterTests.java

private void testRedisInboundChannelAdapterGuts(int iteration) throws Exception {
    int numToTest = 10;
    String redisChannelName = "testRedisInboundChannelAdapterChannel";
    QueueChannel channel = new QueueChannel();

    JedisConnectionFactory connectionFactory = new JedisConnectionFactory();
    connectionFactory.setPort(7379);//ww  w .  ja va  2 s  .co  m
    connectionFactory.afterPropertiesSet();

    RedisInboundChannelAdapter adapter = new RedisInboundChannelAdapter(connectionFactory);
    adapter.setTopics("testRedisInboundChannelAdapterChannel");
    adapter.setOutputChannel(channel);
    adapter.afterPropertiesSet();
    adapter.start();

    RedisMessageListenerContainer container = waitUntilSubscribed(adapter);

    StringRedisTemplate redisTemplate = new StringRedisTemplate(connectionFactory);
    redisTemplate.afterPropertiesSet();
    for (int i = 0; i < numToTest; i++) {
        String message = "test-" + i + " iteration " + iteration;
        redisTemplate.convertAndSend(redisChannelName, message);
        logger.debug("Sent " + message);
    }
    int counter = 0;
    for (int i = 0; i < numToTest; i++) {
        Message<?> message = channel.receive(5000);
        if (message == null) {
            throw new RuntimeException("Failed to receive message # " + i + " iteration " + iteration);
        }
        assertNotNull(message);
        assertTrue(message.getPayload().toString().startsWith("test-"));
        counter++;
    }
    assertEquals(numToTest, counter);
    adapter.stop();
    container.stop();
    connectionFactory.destroy();
}

From source file:org.springframework.integration.xmpp.inbound.ChatMessageListeningEndpointTests.java

@Test
public void testExpression() throws Exception {
    TestXMPPConnection testXMPPConnection = new TestXMPPConnection();

    QueueChannel inputChannel = new QueueChannel();

    ChatMessageListeningEndpoint endpoint = new ChatMessageListeningEndpoint(testXMPPConnection);
    SpelExpressionParser parser = new SpelExpressionParser();
    endpoint.setPayloadExpression(parser.parseExpression("#root"));
    endpoint.setOutputChannel(inputChannel);
    endpoint.setBeanFactory(mock(BeanFactory.class));
    endpoint.afterPropertiesSet();//from   ww w  .ja va2 s. c  om
    endpoint.start();

    Message smackMessage = new Message();
    smackMessage.setBody("foo");

    XmlPullParser xmlPullParser = PacketParserUtils.newXmppParser(new StringReader(smackMessage.toString()));
    xmlPullParser.next();
    testXMPPConnection.parseAndProcessStanza(xmlPullParser);

    org.springframework.messaging.Message<?> receive = inputChannel.receive(10000);
    assertNotNull(receive);

    Object payload = receive.getPayload();
    assertThat(payload, instanceOf(Message.class));
    assertEquals(smackMessage.getStanzaId(), ((Message) payload).getStanzaId());
    assertEquals(smackMessage.getBody(), ((Message) payload).getBody());

    Log logger = Mockito.spy(TestUtils.getPropertyValue(endpoint, "logger", Log.class));
    given(logger.isInfoEnabled()).willReturn(true);
    final CountDownLatch logLatch = new CountDownLatch(1);
    willAnswer(invocation -> {
        Object result = invocation.callRealMethod();
        logLatch.countDown();
        return result;
    }).given(logger).info(anyString());

    new DirectFieldAccessor(endpoint).setPropertyValue("logger", logger);

    endpoint.setPayloadExpression(null);

    smackMessage = new Message();
    xmlPullParser = PacketParserUtils.newXmppParser(new StringReader(smackMessage.toString()));
    xmlPullParser.next();
    testXMPPConnection.parseAndProcessStanza(xmlPullParser);

    ArgumentCaptor<String> argumentCaptor = ArgumentCaptor.forClass(String.class);

    assertTrue(logLatch.await(10, TimeUnit.SECONDS));

    verify(logger).info(argumentCaptor.capture());

    assertEquals("The XMPP Message [" + smackMessage + "] with empty body is ignored.",
            argumentCaptor.getValue());

    endpoint.stop();
}

From source file:org.springframework.integration.xmpp.inbound.ChatMessageListeningEndpointTests.java

@Test
public void testGcmExtension() throws Exception {
    String data = "{\n" + "      \"to\":\"me\",\n" + "     \"notification\": {\n"
            + "        \"title\": \"Something interesting\",\n" + "        \"text\": \"Here we go\"\n"
            + "           },\n" + "      \"time_to_live\":\"600\"\n" + "      }\n" + "}";
    GcmPacketExtension packetExtension = new GcmPacketExtension(data);
    Message smackMessage = new Message();
    smackMessage.addExtension(packetExtension);

    TestXMPPConnection testXMPPConnection = new TestXMPPConnection();

    QueueChannel inputChannel = new QueueChannel();

    ChatMessageListeningEndpoint endpoint = new ChatMessageListeningEndpoint(testXMPPConnection);
    Expression payloadExpression = new SpelExpressionParser().parseExpression("#extension.json");
    endpoint.setPayloadExpression(payloadExpression);
    endpoint.setOutputChannel(inputChannel);
    endpoint.setBeanFactory(mock(BeanFactory.class));
    endpoint.afterPropertiesSet();/*from  w ww . j ava2  s. c o m*/
    endpoint.start();

    XmlPullParser xmlPullParser = PacketParserUtils.newXmppParser(new StringReader(smackMessage.toString()));
    xmlPullParser.next();
    testXMPPConnection.parseAndProcessStanza(xmlPullParser);

    org.springframework.messaging.Message<?> receive = inputChannel.receive(10000);
    assertNotNull(receive);

    assertEquals(data, receive.getPayload());

    endpoint.stop();
}

From source file:org.springframework.xd.dirt.integration.bus.rabbit.RabbitMessageBusTests.java

@SuppressWarnings("unchecked")
@Test/*from   w  w w .j a v  a 2  s  .  c  o  m*/
public void testBatchingAndCompression() throws Exception {
    RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
    MessageBus bus = getMessageBus();
    Properties properties = new Properties();
    properties.put("deliveryMode", "NON_PERSISTENT");
    properties.put("batchingEnabled", "true");
    properties.put("batchSize", "2");
    properties.put("batchBufferLimit", "100000");
    properties.put("batchTimeout", "30000");
    properties.put("compress", "true");

    DirectChannel output = new DirectChannel();
    output.setBeanName("batchingProducer");
    bus.bindProducer("batching.0", output, properties);

    while (template.receive("xdbus.batching.0") != null) {
    }

    Log logger = spy(TestUtils.getPropertyValue(bus, "messageBus.compressingPostProcessor.logger", Log.class));
    new DirectFieldAccessor(TestUtils.getPropertyValue(bus, "messageBus.compressingPostProcessor"))
            .setPropertyValue("logger", logger);
    when(logger.isTraceEnabled()).thenReturn(true);

    assertEquals(Deflater.BEST_SPEED,
            TestUtils.getPropertyValue(bus, "messageBus.compressingPostProcessor.level"));

    output.send(new GenericMessage<>("foo".getBytes()));
    output.send(new GenericMessage<>("bar".getBytes()));

    Object out = spyOn("batching.0").receive(false);
    assertThat(out, instanceOf(byte[].class));
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String((byte[]) out));

    ArgumentCaptor<Object> captor = ArgumentCaptor.forClass(Object.class);
    verify(logger).trace(captor.capture());
    assertThat(captor.getValue().toString(), containsString("Compressed 14 to "));

    QueueChannel input = new QueueChannel();
    input.setBeanName("batchingConsumer");
    bus.bindConsumer("batching.0", input, null);

    output.send(new GenericMessage<>("foo".getBytes()));
    output.send(new GenericMessage<>("bar".getBytes()));

    Message<byte[]> in = (Message<byte[]>) input.receive(10000);
    assertNotNull(in);
    assertEquals("foo", new String(in.getPayload()));
    in = (Message<byte[]>) input.receive(10000);
    assertNotNull(in);
    assertEquals("bar", new String(in.getPayload()));
    assertNull(in.getHeaders().get(AmqpHeaders.DELIVERY_MODE));

    bus.unbindProducers("batching.0");
    bus.unbindConsumers("batching.0");
}