/*
* Copyright 2002-2013 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.messaging.simp;
import org.junit.Test;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import static org.junit.Assert.*;
/**
* Unit tests for SimpMessageTypeMessageCondition.
*
* @author Rossen Stoyanchev
*/
public class SimpMessageTypeMessageConditionTests {
@Test
public void combine() {
SimpMessageType actual = condition(SimpMessageType.MESSAGE).combine(condition(SimpMessageType.SUBSCRIBE)).getMessageType();
assertEquals(SimpMessageType.SUBSCRIBE, actual);
actual = condition(SimpMessageType.MESSAGE).combine(condition(SimpMessageType.MESSAGE)).getMessageType();
assertEquals(SimpMessageType.MESSAGE, actual);
actual = condition(SimpMessageType.SUBSCRIBE).combine(condition(SimpMessageType.SUBSCRIBE)).getMessageType();
assertEquals(SimpMessageType.SUBSCRIBE, actual);
}
@Test
public void getMatchingCondition() {
Message<?> message = message(SimpMessageType.MESSAGE);
SimpMessageTypeMessageCondition condition = condition(SimpMessageType.MESSAGE);
SimpMessageTypeMessageCondition actual = condition.getMatchingCondition(message);
assertNotNull(actual);
assertEquals(SimpMessageType.MESSAGE, actual.getMessageType());
}
@Test
public void getMatchingConditionNoMessageType() {
Message<?> message = message(null);
SimpMessageTypeMessageCondition condition = condition(SimpMessageType.MESSAGE);
assertNull(condition.getMatchingCondition(message));
}
@Test
public void compareTo() {
Message<byte[]> message = message(null);
assertEquals(0, condition(SimpMessageType.MESSAGE).compareTo(condition(SimpMessageType.MESSAGE), message));
assertEquals(0, condition(SimpMessageType.MESSAGE).compareTo(condition(SimpMessageType.SUBSCRIBE), message));
}
private Message<byte[]> message(SimpMessageType messageType) {
MessageBuilder<byte[]> builder = MessageBuilder.withPayload(new byte[0]);
if (messageType != null) {
builder.setHeader(SimpMessageHeaderAccessor.MESSAGE_TYPE_HEADER, messageType);
}
return builder.build();
}
private SimpMessageTypeMessageCondition condition(SimpMessageType messageType) {
return new SimpMessageTypeMessageCondition(messageType);
}
}