/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.transport.jms.continuations;
import java.util.LinkedList;
import java.util.List;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.interceptor.InterceptorChain;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.transport.MessageObserver;
import org.apache.cxf.transport.jms.JMSConfiguration;
import org.easymock.classextension.EasyMock;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.springframework.jms.JmsException;
import org.springframework.jms.listener.DefaultMessageListenerContainer;
public class JMSContinuationTest extends Assert {
private Message m;
private List<JMSContinuation> continuations;
private Bus b;
private MessageObserver observer;
@Before
public void setUp() {
m = new MessageImpl();
Exchange exchange = new ExchangeImpl();
m.setExchange(exchange);
m.setInterceptorChain(EasyMock.createMock(InterceptorChain.class));
exchange.setInMessage(m);
continuations = new LinkedList<JMSContinuation>();
b = BusFactory.getDefaultBus();
observer = EasyMock.createMock(MessageObserver.class);
}
@Test
public void testInitialStatus() {
JMSContinuation cw =
new JMSContinuation(b, m, observer, continuations, null, null);
assertTrue(cw.isNew());
assertFalse(cw.isPending());
assertFalse(cw.isResumed());
}
@Test
public void testSuspendResume() {
TestJMSContinuationWrapper cw =
new TestJMSContinuationWrapper(b, m, observer, continuations, null, new JMSConfiguration());
cw.suspend(5000);
assertFalse(cw.isNew());
assertTrue(cw.isPending());
assertFalse(cw.isResumed());
assertTrue(cw.isTaskCreated());
assertFalse(cw.isTaskCancelled());
assertEquals(continuations.size(), 1);
assertSame(continuations.get(0), cw);
assertFalse(cw.suspend(1000));
observer.onMessage(m);
EasyMock.expectLastCall();
EasyMock.replay(observer);
cw.resume();
assertFalse(cw.isNew());
assertFalse(cw.isPending());
assertTrue(cw.isResumed());
assertFalse(cw.isTaskCreated());
assertTrue(cw.isTaskCancelled());
assertEquals(continuations.size(), 0);
EasyMock.verify(observer);
}
@Test
public void testThrottleWithJmsStartAndStop() {
DefaultMessageListenerContainerStub springContainer = new DefaultMessageListenerContainerStub();
springContainer.setCacheLevel(2);
JMSConfiguration config = new JMSConfiguration();
config.setMaxSuspendedContinuations(1);
TestJMSContinuationWrapper cw =
new TestJMSContinuationWrapper(b, m, observer, continuations,
springContainer, config);
assertFalse(springContainer.isStart());
assertFalse(springContainer.isStop());
suspendResumeCheckStartAndStop(cw, config, springContainer);
EasyMock.reset(observer);
suspendResumeCheckStartAndStop(cw, config, springContainer);
}
private void suspendResumeCheckStartAndStop(JMSContinuation cw, JMSConfiguration config,
DefaultMessageListenerContainerStub springContainer) {
cw.suspend(5000);
assertEquals(continuations.size(), 1);
assertSame(continuations.get(0), cw);
assertTrue(springContainer.isStop());
assertFalse(cw.suspend(1000));
observer.onMessage(m);
EasyMock.expectLastCall();
EasyMock.replay(observer);
cw.resume();
assertEquals(continuations.size(), 0);
assertTrue(springContainer.isStart());
EasyMock.verify(observer);
}
@Test
public void testUserObject() {
JMSContinuation cw = new JMSContinuation(b, m, observer, continuations, null, null);
assertNull(cw.getObject());
Object userObject = new Object();
cw.setObject(userObject);
assertSame(userObject, cw.getObject());
}
private static class TestJMSContinuationWrapper extends JMSContinuation {
private boolean taskCreated;
private boolean taskCancelled;
public TestJMSContinuationWrapper(Bus b,
Message m,
MessageObserver observer,
List<JMSContinuation> cList,
DefaultMessageListenerContainer jmsListener,
JMSConfiguration jmsConfig) {
super(b, m, observer, cList, jmsListener, jmsConfig);
}
public void createTimerTask(long timeout) {
taskCreated = true;
}
public void cancelTimerTask() {
taskCancelled = true;
}
public boolean isTaskCreated() {
boolean result = taskCreated;
taskCreated = false;
return result;
}
public boolean isTaskCancelled() {
boolean result = taskCancelled;
taskCancelled = false;
return result;
}
}
private class DefaultMessageListenerContainerStub extends DefaultMessageListenerContainer {
private boolean start;
private boolean stop;
public void start() throws JmsException {
this.start = true;
this.stop = false;
}
public void stop() throws JmsException {
this.stop = true;
this.start = false;
}
public boolean isStart() {
return this.start;
}
public boolean isStop() {
return this.stop;
}
}
}