/*
* 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.selector;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.springframework.integration.core.MessageSelector;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;
/**
* @author Mark Fisher
*/
public class MessageSelectorChainTests {
private final Message<?> message = new GenericMessage<String>("test");
@Test
public void anyStrategyAccepts() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.ANY);
chain.add(new TestSelector(false));
chain.add(new TestSelector(false));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
assertTrue(chain.accept(message));
}
@Test
public void anyStrategyRejects() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.ANY);
chain.add(new TestSelector(false));
chain.add(new TestSelector(false));
chain.add(new TestSelector(false));
chain.add(new TestSelector(false));
assertFalse(chain.accept(message));
}
@Test
public void allStrategyAccepts() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.ALL);
chain.add(new TestSelector(true));
chain.add(new TestSelector(true));
chain.add(new TestSelector(true));
assertTrue(chain.accept(message));
}
@Test
public void allStrategyRejects() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.ALL);
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
chain.add(new TestSelector(true));
assertFalse(chain.accept(message));
}
@Test
public void majorityOrTieStrategyWithOddNumberAccepts() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY_OR_TIE);
chain.add(new TestSelector(true));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
assertTrue(chain.accept(message));
}
@Test
public void majorityOrTieStrategyWithEvenNumberAccepts() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY_OR_TIE);
chain.add(new TestSelector(true));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
chain.add(new TestSelector(false));
assertTrue(chain.accept(message));
}
@Test
public void majorityOrTieStrategyWithOddNumberRejects() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY_OR_TIE);
chain.add(new TestSelector(false));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
assertFalse(chain.accept(message));
}
@Test
public void majorityOrTieStrategyWithEvenNumberRejects() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY_OR_TIE);
chain.add(new TestSelector(false));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
chain.add(new TestSelector(false));
assertFalse(chain.accept(message));
}
@Test
public void majorityStrategyWithOddNumberAccepts() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY);
chain.add(new TestSelector(true));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
assertTrue(chain.accept(message));
}
@Test
public void majorityStrategyWithEvenNumberAccepts() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY);
chain.add(new TestSelector(true));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
chain.add(new TestSelector(true));
assertTrue(chain.accept(message));
}
@Test
public void majorityStrategyWithOddNumberRejects() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY);
chain.add(new TestSelector(false));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
assertFalse(chain.accept(message));
}
@Test
public void majorityStrategyWithEvenNumberRejects() {
MessageSelectorChain chain = new MessageSelectorChain();
chain.setVotingStrategy(MessageSelectorChain.VotingStrategy.MAJORITY);
chain.add(new TestSelector(false));
chain.add(new TestSelector(true));
chain.add(new TestSelector(true));
chain.add(new TestSelector(false));
assertFalse(chain.accept(message));
}
private static class TestSelector implements MessageSelector {
private final boolean accept;
TestSelector(boolean accept) {
this.accept = accept;
}
@Override
public boolean accept(Message<?> message) {
return this.accept;
}
}
}