@Test
public void testAutoBindDLQwithRepublish() throws Exception {
// pre-declare the queue with dead-lettering, users can also use a policy
RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());
Map<String, Object> args = new HashMap<String, Object>();
args.put("x-dead-letter-exchange", "xdbustest.DLX");
Queue queue = new Queue("xdbustest.dlqpubtest", true, false, false, args);
admin.declareQueue(queue);
MessageBus bus = getMessageBus();
Properties properties = new Properties();
properties.put("prefix", "xdbustest.");
properties.put("autoBindDLQ", "true");
properties.put("republishToDLQ", "true");
properties.put("maxAttempts", "1"); // disable retry
properties.put("requeue", "false");
DirectChannel moduleInputChannel = new DirectChannel();
moduleInputChannel.setBeanName("dlqPubTest");
moduleInputChannel.subscribe(
new MessageHandler() {
@Override
public void handleMessage(Message<?> message) throws MessagingException {
throw new RuntimeException("foo");
}
});
bus.bindConsumer("dlqpubtest", moduleInputChannel, properties);
RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
template.convertAndSend("", "xdbustest.dlqpubtest", "foo");
int n = 0;
while (n++ < 100) {
org.springframework.amqp.core.Message deadLetter =
template.receive("xdbustest.dlqpubtest.dlq");
if (deadLetter != null) {
assertEquals("foo", new String(deadLetter.getBody()));
assertNotNull(deadLetter.getMessageProperties().getHeaders().get("x-exception-stacktrace"));
break;
}
Thread.sleep(100);
}
assertTrue(n < 100);
bus.unbindConsumer("dlqpubtest", moduleInputChannel);
admin.deleteQueue("xdbustest.dlqpubtest.dlq");
admin.deleteQueue("xdbustest.dlqpubtest");
admin.deleteExchange("xdbustest.DLX");
}
@SuppressWarnings("unchecked")
@Test
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");
}
@Test
public void testAutoBindDLQPartioned() throws Exception {
RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());
MessageBus bus = getMessageBus();
Properties properties = new Properties();
properties.put("prefix", "xdbustest.");
properties.put("autoBindDLQ", "true");
properties.put("maxAttempts", "1"); // disable retry
properties.put("requeue", "false");
properties.put("partitionIndex", "0");
DirectChannel input0 = new DirectChannel();
input0.setBeanName("test.input0DLQ");
bus.bindConsumer("partDLQ.0", input0, properties);
properties.put("partitionIndex", "1");
DirectChannel input1 = new DirectChannel();
input1.setBeanName("test.input1DLQ");
bus.bindConsumer("partDLQ.0", input1, properties);
properties.clear();
properties.put("prefix", "xdbustest.");
properties.put(
"partitionKeyExtractorClass",
"org.springframework.xd.dirt.integration.bus.PartitionTestSupport");
properties.put(
"partitionSelectorClass",
"org.springframework.xd.dirt.integration.bus.PartitionTestSupport");
properties.put(BusProperties.NEXT_MODULE_COUNT, "2");
DirectChannel output = new DirectChannel();
output.setBeanName("test.output");
bus.bindProducer("partDLQ.0", output, properties);
final CountDownLatch latch0 = new CountDownLatch(1);
input0.subscribe(
new MessageHandler() {
@Override
public void handleMessage(Message<?> message) throws MessagingException {
if (latch0.getCount() <= 0) {
throw new RuntimeException("dlq");
}
latch0.countDown();
}
});
final CountDownLatch latch1 = new CountDownLatch(1);
input1.subscribe(
new MessageHandler() {
@Override
public void handleMessage(Message<?> message) throws MessagingException {
if (latch1.getCount() <= 0) {
throw new RuntimeException("dlq");
}
latch1.countDown();
}
});
output.send(new GenericMessage<Integer>(1));
assertTrue(latch1.await(10, TimeUnit.SECONDS));
output.send(new GenericMessage<Integer>(0));
assertTrue(latch0.await(10, TimeUnit.SECONDS));
output.send(new GenericMessage<Integer>(1));
RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
template.setReceiveTimeout(10000);
String streamDLQName = "xdbustest.partDLQ.0.dlq";
org.springframework.amqp.core.Message received = template.receive(streamDLQName);
assertNotNull(received);
assertEquals(1, received.getMessageProperties().getHeaders().get("partition"));
output.send(new GenericMessage<Integer>(0));
received = template.receive(streamDLQName);
assertNotNull(received);
assertEquals(0, received.getMessageProperties().getHeaders().get("partition"));
admin.deleteQueue(streamDLQName);
admin.deleteQueue("xdbustest.partDLQ.0-0");
admin.deleteQueue("xdbustest.partDLQ.0-1");
admin.deleteExchange("xdbustest.DLX");
}