/*
* 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.filter;
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.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Mark Fisher
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class SpelFilterIntegrationTests {
@Autowired
private MessageChannel simpleInput;
@Autowired
private PollableChannel positives;
@Autowired
private PollableChannel negatives;
@Autowired
private MessageChannel beanResolvingInput;
@Autowired
private PollableChannel evens;
@Autowired
private PollableChannel odds;
@Test
public void simpleExpressionBasedFilter() {
this.simpleInput.send(new GenericMessage<Integer>(1));
this.simpleInput.send(new GenericMessage<Integer>(0));
this.simpleInput.send(new GenericMessage<Integer>(99));
this.simpleInput.send(new GenericMessage<Integer>(-99));
assertEquals(new Integer(1), positives.receive(0).getPayload());
assertEquals(new Integer(99), positives.receive(0).getPayload());
assertEquals(new Integer(0), negatives.receive(0).getPayload());
assertEquals(new Integer(-99), negatives.receive(0).getPayload());
assertNull(positives.receive(0));
assertNull(negatives.receive(0));
}
@Test
public void beanResolvingExpressionBasedFilter() {
this.beanResolvingInput.send(new GenericMessage<Integer>(1));
this.beanResolvingInput.send(new GenericMessage<Integer>(2));
this.beanResolvingInput.send(new GenericMessage<Integer>(9));
this.beanResolvingInput.send(new GenericMessage<Integer>(22));
assertEquals(new Integer(1), odds.receive(0).getPayload());
assertEquals(new Integer(9), odds.receive(0).getPayload());
assertEquals(new Integer(2), evens.receive(0).getPayload());
assertEquals(new Integer(22), evens.receive(0).getPayload());
assertNull(odds.receive(0));
assertNull(evens.receive(0));
}
@SuppressWarnings("unused")
private static class TestBean {
public boolean isEven(int number) {
return number % 2 == 0;
}
}
}