/*
* Copyright 2002-2016 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.router.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Mark Fisher
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class DynamicExpressionRouterIntegrationTests {
@Autowired
private MessageChannel input;
@Autowired
private PollableChannel even;
@Autowired
private PollableChannel odd;
@Test
public void dynamicExpressionBasedRouter() {
TestBean testBean1 = new TestBean(1);
TestBean testBean2 = new TestBean(2);
TestBean testBean3 = new TestBean(3);
TestBean testBean4 = new TestBean(4);
Message<?> message1 = MessageBuilder.withPayload(testBean1).build();
Message<?> message2 = MessageBuilder.withPayload(testBean2).build();
Message<?> message3 = MessageBuilder.withPayload(testBean3).build();
Message<?> message4 = MessageBuilder.withPayload(testBean4).build();
this.input.send(message1);
this.input.send(message2);
this.input.send(message3);
this.input.send(message4);
assertEquals(testBean1, odd.receive(0).getPayload());
assertEquals(testBean2, even.receive(0).getPayload());
assertEquals(testBean3, odd.receive(0).getPayload());
assertEquals(testBean4, even.receive(0).getPayload());
assertNull(odd.receive(0));
assertNull(even.receive(0));
}
static class TestBean {
private final int number;
TestBean(int number) {
this.number = number;
}
public int getNumber() {
return this.number;
}
}
}