/*
* Copyright 2002-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.aggregator.scenarios;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.messaging.Message;
import org.springframework.integration.core.MessagingTemplate;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
*
* @author Dave Syer
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class NestedAggregationTests {
@Autowired
DirectChannel splitter;
@Autowired
DirectChannel router;
@Test
public void testAggregatorWithNestedSplitter() throws Exception {
@SuppressWarnings("unchecked")
Message<?> input = new GenericMessage<List<List<String>>>(Arrays.asList(Arrays.asList("foo", "bar", "spam"),
Arrays.asList("bar", "foo")));
List<String> result = sendAndReceiveMessage(splitter, 2000, input);
assertNotNull("Expected result and got null", result);
assertEquals("[[foo, bar, spam], [bar, foo]]", result.toString());
}
@Test
public void testAggregatorWithNestedRouter() throws Exception {
Message<?> input = new GenericMessage<List<String>>(Arrays.asList("bar", "foo"));
List<String> result = sendAndReceiveMessage(router, 2000, input);
assertNotNull("Expected result and got null", result);
assertEquals("[[bar, foo], [bar, foo]]", result.toString());
}
private List<String> sendAndReceiveMessage(DirectChannel channel, int timeout, Message<?> input) {
MessagingTemplate messagingTemplate = new MessagingTemplate();
messagingTemplate.setReceiveTimeout(timeout);
@SuppressWarnings("unchecked")
Message<List<String>> message = (Message<List<String>>) messagingTemplate.sendAndReceive(channel, input);
return message == null ? null : message.getPayload();
}
}