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* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* License along with this software; if not, write to the Free
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package org.jboss.as.naming;
import org.junit.Before;
import org.junit.Test;
import javax.naming.CompositeName;
import javax.naming.event.EventContext;
import javax.naming.event.NamespaceChangeListener;
import javax.naming.event.NamingEvent;
import javax.naming.event.NamingExceptionEvent;
import javax.naming.event.ObjectChangeListener;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Basic naming event coordinator tests.
*
* @author John E. Bailey
*/
public class NamingEventCoordinatorTestCase {
private NamingContext context;
@Before
public void setup() throws Exception {
context = new NamingContext(null);
}
@Test
public void testFireObjectEvent() throws Exception {
final NamingEventCoordinator coordinator = new NamingEventCoordinator();
final CollectingListener objectListener = new CollectingListener(1);
coordinator.addListener("test/path", EventContext.OBJECT_SCOPE, objectListener);
final CollectingListener subtreeListener = new CollectingListener(0);
coordinator.addListener("test", EventContext.SUBTREE_SCOPE, subtreeListener);
final CollectingListener oneLevelListener = new CollectingListener(0);
coordinator.addListener("test", EventContext.ONELEVEL_SCOPE, oneLevelListener);
coordinator.fireEvent(context, new CompositeName("test/path"), null, null, NamingEvent.OBJECT_ADDED, "bind", EventContext.OBJECT_SCOPE);
objectListener.latch.await(1, TimeUnit.SECONDS);
assertEquals(1, objectListener.capturedEvents.size());
assertTrue(oneLevelListener.capturedEvents.isEmpty());
assertTrue(subtreeListener.capturedEvents.isEmpty());
}
@Test
public void testFireSubTreeEvent() throws Exception {
final NamingEventCoordinator coordinator = new NamingEventCoordinator();
final CollectingListener objectListener = new CollectingListener(0);
coordinator.addListener("test/path", EventContext.OBJECT_SCOPE, objectListener);
final CollectingListener subtreeListener = new CollectingListener(1);
coordinator.addListener("test", EventContext.SUBTREE_SCOPE, subtreeListener);
final CollectingListener oneLevelListener = new CollectingListener(0);
coordinator.addListener("test", EventContext.ONELEVEL_SCOPE, oneLevelListener);
coordinator.fireEvent(context, new CompositeName("test/path"), null, null, NamingEvent.OBJECT_ADDED, "bind", EventContext.SUBTREE_SCOPE);
subtreeListener.latch.await(1, TimeUnit.SECONDS);
assertTrue(objectListener.capturedEvents.isEmpty());
assertTrue(oneLevelListener.capturedEvents.isEmpty());
assertEquals(1, subtreeListener.capturedEvents.size());
}
@Test
public void testFireOneLevelEvent() throws Exception {
final NamingEventCoordinator coordinator = new NamingEventCoordinator();
final CollectingListener objectListener = new CollectingListener(0);
coordinator.addListener("test/path", EventContext.OBJECT_SCOPE, objectListener);
final CollectingListener subtreeListener = new CollectingListener(0);
coordinator.addListener("test", EventContext.SUBTREE_SCOPE, subtreeListener);
final CollectingListener oneLevelListener = new CollectingListener(1);
coordinator.addListener("test", EventContext.ONELEVEL_SCOPE, oneLevelListener);
coordinator.fireEvent(context, new CompositeName("test/path"), null, null, NamingEvent.OBJECT_ADDED, "bind", EventContext.ONELEVEL_SCOPE);
oneLevelListener.latch.await(1, TimeUnit.SECONDS);
assertTrue(objectListener.capturedEvents.isEmpty());
assertTrue(subtreeListener.capturedEvents.isEmpty());
assertEquals(1, oneLevelListener.capturedEvents.size());
}
@Test
public void testFireAllEvent() throws Exception {
final NamingEventCoordinator coordinator = new NamingEventCoordinator();
final CollectingListener objectListener = new CollectingListener(1);
coordinator.addListener("test/path", EventContext.OBJECT_SCOPE, objectListener);
final CollectingListener subtreeListener = new CollectingListener(1);
coordinator.addListener("test", EventContext.SUBTREE_SCOPE, subtreeListener);
final CollectingListener oneLevelListener = new CollectingListener(1);
coordinator.addListener("test", EventContext.ONELEVEL_SCOPE, oneLevelListener);
coordinator.fireEvent(context, new CompositeName("test/path"), null, null, NamingEvent.OBJECT_ADDED, "bind", EventContext.OBJECT_SCOPE, EventContext.ONELEVEL_SCOPE, EventContext.SUBTREE_SCOPE);
objectListener.latch.await(1, TimeUnit.SECONDS);
oneLevelListener.latch.await(1, TimeUnit.SECONDS);
subtreeListener.latch.await(1, TimeUnit.SECONDS);
assertEquals(1, objectListener.capturedEvents.size());
assertEquals(1, subtreeListener.capturedEvents.size());
assertEquals(1, oneLevelListener.capturedEvents.size());
}
@Test
public void testFireMultiLevelEvent() throws Exception {
final NamingEventCoordinator coordinator = new NamingEventCoordinator();
final CollectingListener subtreeListener = new CollectingListener(1);
coordinator.addListener("foo", EventContext.SUBTREE_SCOPE, subtreeListener);
final CollectingListener subtreeListenerTwo = new CollectingListener(1);
coordinator.addListener("foo/bar", EventContext.SUBTREE_SCOPE, subtreeListenerTwo);
final CollectingListener subtreeListenerThree = new CollectingListener(1);
coordinator.addListener("foo/bar/baz", EventContext.SUBTREE_SCOPE, subtreeListenerThree);
coordinator.fireEvent(context, new CompositeName("foo/bar/baz/boo"), null, null, NamingEvent.OBJECT_ADDED, "bind", EventContext.OBJECT_SCOPE, EventContext.ONELEVEL_SCOPE, EventContext.SUBTREE_SCOPE);
subtreeListener.latch.await(1, TimeUnit.SECONDS);
subtreeListenerTwo.latch.await(1, TimeUnit.SECONDS);
subtreeListenerThree.latch.await(1, TimeUnit.SECONDS);
assertEquals(1, subtreeListener.capturedEvents.size());
assertEquals(1, subtreeListenerTwo.capturedEvents.size());
assertEquals(1, subtreeListenerThree.capturedEvents.size());
}
private class CollectingListener implements ObjectChangeListener, NamespaceChangeListener {
private final List<NamingEvent> capturedEvents = new ArrayList<NamingEvent>();
private final CountDownLatch latch;
CollectingListener(int expectedEvents) {
latch = new CountDownLatch(expectedEvents);
}
@Override
public void objectChanged(NamingEvent evt) {
captured(evt);
}
@Override
public void objectAdded(NamingEvent evt) {
captured(evt);
}
@Override
public void objectRemoved(NamingEvent evt) {
captured(evt);
}
@Override
public void objectRenamed(NamingEvent evt) {
captured(evt);
}
private void captured(final NamingEvent event) {
capturedEvents.add(event);
latch.countDown();
}
@Override
public void namingExceptionThrown(NamingExceptionEvent evt) {
}
}
}