/*
* Copyright 2002-2014 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 javax.jms.Destination;
import javax.jms.Session;
import javax.naming.NamingException;
import org.junit.Test;
import org.springframework.jms.StubTopic;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Rick Evans
* @author Chris Beams
*/
public class JndiDestinationResolverTests {
private static final String DESTINATION_NAME = "foo";
private static final Destination DESTINATION = new StubTopic();
@Test
public void testHitsCacheSecondTimeThrough() throws Exception {
Session session = mock(Session.class);
JndiDestinationResolver resolver = new OneTimeLookupJndiDestinationResolver();
Destination destination = resolver.resolveDestinationName(session, DESTINATION_NAME, true);
assertNotNull(destination);
assertSame(DESTINATION, destination);
}
@Test
public void testDoesNotUseCacheIfCachingIsTurnedOff() throws Exception {
Session session = mock(Session.class);
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());
}
@Test
public void testDelegatesToFallbackIfNotResolvedInJndi() throws Exception {
Session session = mock(Session.class);
DestinationResolver dynamicResolver = mock(DestinationResolver.class);
given(dynamicResolver.resolveDestinationName(session, DESTINATION_NAME,
true)).willReturn(DESTINATION);
JndiDestinationResolver resolver = new JndiDestinationResolver() {
@Override
protected <T> T lookup(String jndiName, Class<T> 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);
}
@Test
public void testDoesNotDelegateToFallbackIfNotResolvedInJndi() throws Exception {
final Session session = mock(Session.class);
DestinationResolver dynamicResolver = mock(DestinationResolver.class);
final JndiDestinationResolver resolver = new JndiDestinationResolver() {
@Override
protected <T> T lookup(String jndiName, Class<T> requiredClass) throws NamingException {
throw new NamingException();
}
};
resolver.setDynamicDestinationResolver(dynamicResolver);
try {
resolver.resolveDestinationName(session, DESTINATION_NAME, true);
fail("expected DestinationResolutionException");
}
catch (DestinationResolutionException ex) {
// expected
}
}
private static class OneTimeLookupJndiDestinationResolver extends JndiDestinationResolver {
private boolean called;
@Override
protected <T> T lookup(String jndiName, Class<T> requiredType) throws NamingException {
if (called) {
fail("Must not be delegating to lookup(..), must be resolving from cache.");
}
assertEquals(DESTINATION_NAME, jndiName);
called = true;
return requiredType.cast(DESTINATION);
}
}
private static class CountingCannedJndiDestinationResolver extends JndiDestinationResolver {
private int callCount;
public int getCallCount() {
return this.callCount;
}
@Override
protected <T> T lookup(String jndiName, Class<T> requiredType) throws NamingException {
++this.callCount;
return requiredType.cast(DESTINATION);
}
}
}