@Test public void splitMessageWithEmptyCollectionPayload() throws Exception { Message<List<String>> message = MessageBuilder.withPayload(Collections.<String>emptyList()).build(); QueueChannel replyChannel = new QueueChannel(); DefaultMessageSplitter splitter = new DefaultMessageSplitter(); splitter.setOutputChannel(replyChannel); splitter.handleMessage(message); Message<?> output = replyChannel.receive(15); assertThat(output, is(nullValue())); }
@Test public void correlationIdCopiedFromMessageId() { Message<String> message = MessageBuilder.withPayload("test").build(); DirectChannel inputChannel = new DirectChannel(); QueueChannel outputChannel = new QueueChannel(1); DefaultMessageSplitter splitter = new DefaultMessageSplitter(); splitter.setOutputChannel(outputChannel); EventDrivenConsumer endpoint = new EventDrivenConsumer(inputChannel, splitter); endpoint.start(); assertTrue(inputChannel.send(message)); Message<?> reply = outputChannel.receive(0); assertEquals(message.getHeaders().getId(), reply.getHeaders().getCorrelationId()); }
@Test public void splitMessageWithCollectionPayload() throws Exception { List<String> payload = Arrays.asList(new String[] {"x", "y", "z"}); Message<List<String>> message = MessageBuilder.withPayload(payload).build(); QueueChannel replyChannel = new QueueChannel(); DefaultMessageSplitter splitter = new DefaultMessageSplitter(); splitter.setOutputChannel(replyChannel); splitter.handleMessage(message); List<Message<?>> replies = replyChannel.clear(); assertEquals(3, replies.size()); Message<?> reply1 = replies.get(0); assertNotNull(reply1); assertEquals("x", reply1.getPayload()); Message<?> reply2 = replies.get(1); assertNotNull(reply2); assertEquals("y", reply2.getPayload()); Message<?> reply3 = replies.get(2); assertNotNull(reply3); assertEquals("z", reply3.getPayload()); }