/*
* Copyright 2002-2008 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.jms.support.destination;
import junit.framework.TestCase;
import org.easymock.MockControl;
import org.springframework.test.AssertThrows;
import org.springframework.jms.StubTopic;
import javax.jms.Destination;
import javax.jms.Session;
import javax.naming.NamingException;
/**
* @author Rick Evans
*/
public class JndiDestinationResolverTests extends TestCase {
private static final String DESTINATION_NAME = "foo";
private static final Destination DESTINATION = new StubTopic();
public void testHitsCacheSecondTimeThrough() throws Exception {
MockControl mockSession = MockControl.createControl(Session.class);
Session session = (Session) mockSession.getMock();
mockSession.replay();
JndiDestinationResolver resolver = new OneTimeLookupJndiDestinationResolver();
Destination destination = resolver.resolveDestinationName(session, DESTINATION_NAME, true);
assertNotNull(destination);
assertSame(DESTINATION, destination);
mockSession.verify();
}
public void testDoesNotUseCacheIfCachingIsTurnedOff() throws Exception {
MockControl mockSession = MockControl.createControl(Session.class);
Session session = (Session) mockSession.getMock();
mockSession.replay();
CountingCannedJndiDestinationResolver resolver
= new CountingCannedJndiDestinationResolver();
resolver.setCache(false);
Destination destination = resolver.resolveDestinationName(session, DESTINATION_NAME, true);
assertNotNull(destination);
assertSame(DESTINATION, destination);
assertEquals(1, resolver.getCallCount());
destination = resolver.resolveDestinationName(session, DESTINATION_NAME, true);
assertNotNull(destination);
assertSame(DESTINATION, destination);
assertEquals(2, resolver.getCallCount());
mockSession.verify();
}
public void testDelegatesToFallbackIfNotResolvedInJndi() throws Exception {
MockControl mockSession = MockControl.createControl(Session.class);
Session session = (Session) mockSession.getMock();
mockSession.replay();
MockControl mockDestinationResolver = MockControl.createControl(DestinationResolver.class);
DestinationResolver dynamicResolver = (DestinationResolver) mockDestinationResolver.getMock();
dynamicResolver.resolveDestinationName(session, DESTINATION_NAME, true);
mockDestinationResolver.setReturnValue(DESTINATION);
mockDestinationResolver.replay();
JndiDestinationResolver resolver = new JndiDestinationResolver() {
protected Object lookup(String jndiName, Class requiredClass) throws NamingException {
throw new NamingException();
}
};
resolver.setFallbackToDynamicDestination(true);
resolver.setDynamicDestinationResolver(dynamicResolver);
Destination destination = resolver.resolveDestinationName(session, DESTINATION_NAME, true);
assertNotNull(destination);
assertSame(DESTINATION, destination);
mockSession.verify();
mockDestinationResolver.verify();
}
public void testDoesNotDelegateToFallbackIfNotResolvedInJndi() throws Exception {
MockControl mockSession = MockControl.createControl(Session.class);
final Session session = (Session) mockSession.getMock();
mockSession.replay();
MockControl mockDestinationResolver = MockControl.createControl(DestinationResolver.class);
DestinationResolver dynamicResolver = (DestinationResolver) mockDestinationResolver.getMock();
mockDestinationResolver.replay();
final JndiDestinationResolver resolver = new JndiDestinationResolver() {
protected Object lookup(String jndiName, Class requiredClass) throws NamingException {
throw new NamingException();
}
};
resolver.setDynamicDestinationResolver(dynamicResolver);
new AssertThrows(DestinationResolutionException.class) {
public void test() throws Exception {
resolver.resolveDestinationName(session, DESTINATION_NAME, true);
}
}.runTest();
mockSession.verify();
mockDestinationResolver.verify();
}
private static class OneTimeLookupJndiDestinationResolver extends JndiDestinationResolver {
private boolean called;
protected Object lookup(String jndiName, Class requiredType) throws NamingException {
if (called) {
fail("Must not be delegating to lookup(..), must be resolving from cache.");
}
assertEquals(DESTINATION_NAME, jndiName);
called = true;
return DESTINATION;
}
}
private static class CountingCannedJndiDestinationResolver extends JndiDestinationResolver {
private int callCount;
public int getCallCount() {
return this.callCount;
}
protected Object lookup(String jndiName, Class requiredType) throws NamingException {
++this.callCount;
return DESTINATION;
}
}
}