/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.test.clustering.extended.ejb2.stateful.remote.failover;
import javax.naming.NamingException;
import org.jboss.as.test.clustering.EJBClientContextSelector;
import org.jboss.as.test.clustering.cluster.ClusterAbstractTestCase;
import org.jboss.as.test.clustering.ejb.EJBDirectory;
import org.jboss.as.test.clustering.ejb.RemoteEJBDirectory;
import org.jboss.logging.Logger;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
/**
* @author Ondrej Chaloupka
*/
public abstract class RemoteEJBClientStatefulFailoverTestBase extends ClusterAbstractTestCase {
private static final Logger log = Logger.getLogger(RemoteEJBClientStatefulFailoverTestBase.class);
protected static final String PROPERTIES_FILE = "cluster/ejb3/stateful/failover/sfsb-failover-jboss-ejb-client.properties";
protected static final String ARCHIVE_NAME = "ejb2-failover-test";
protected static final String ARCHIVE_NAME_SINGLE = ARCHIVE_NAME + "-single";
protected static EJBDirectory singletonDirectory;
protected static EJBDirectory directory;
protected static Archive<?> createDeploymentSingleton() {
final JavaArchive jar = ShrinkWrap.create(JavaArchive.class, ARCHIVE_NAME_SINGLE + ".jar");
jar.addClasses(CounterSingleton.class, CounterSingletonRemote.class);
return jar;
}
@BeforeClass
public static void beforeClass() throws NamingException {
directory = new RemoteEJBDirectory(ARCHIVE_NAME);
singletonDirectory = new RemoteEJBDirectory(ARCHIVE_NAME_SINGLE);
}
@AfterClass
public static void destroy() throws NamingException {
directory.close();
singletonDirectory.close();
}
@Override
public void beforeTestMethod() {
start(CONTAINERS);
deploy(DEPLOYMENT_HELPERS);
deploy(DEPLOYMENTS);
}
@Override
public void afterTestMethod() {
super.afterTestMethod();
undeploy(DEPLOYMENT_HELPERS);
}
/**
* Starts 2 nodes with the clustered beans deployed on each node. Invokes a clustered SFSB a few times.
* Then stops a node from among the cluster (the one which received the last invocation) and continues invoking
* on the same SFSB. These subsequent invocations are expected to failover to the other node and also have the
* correct state of the SFSB.
*
* @throws Exception
*/
public abstract void testFailoverFromRemoteClientWhenOneNodeGoesDown() throws Exception;
/**
* Same as above, but application gets undeployed while the server keeps running.
*
* @throws Exception
*/
public abstract void testFailoverFromRemoteClientWhenOneNodeUndeploys() throws Exception;
/**
* Implementation of defined abstract tests above.
*/
protected void failoverFromRemoteClient(boolean undeployOnly) throws Exception {
// TODO Elytron: Once support for legacy EJB properties has been added back, actually set the EJB properties
// that should be used for this test using PROPERTIES_FILE and ensure the EJB client context is reset
// to its original state at the end of the test
EJBClientContextSelector.setup(PROPERTIES_FILE);
CounterRemoteHome home = directory.lookupHome(CounterBean.class, CounterRemoteHome.class);
CounterRemote remoteCounter = home.create();
Assert.assertNotNull(remoteCounter);
final CounterSingletonRemote destructionCounter = singletonDirectory.lookupSingleton(CounterSingleton.class, CounterSingletonRemote.class);
destructionCounter.resetDestroyCount();
// invoke on the bean a few times
final int NUM_TIMES = 25;
for (int i = 0; i < NUM_TIMES; i++) {
final CounterResult result = remoteCounter.increment();
log.trace("Counter incremented to " + result.getCount() + " on node " + result.getNodeName());
}
final CounterResult result = remoteCounter.getCount();
Assert.assertNotNull("Result from remote stateful counter was null", result);
Assert.assertEquals("Unexpected count from remote counter", NUM_TIMES, result.getCount());
Assert.assertEquals("Nothing should have been destroyed yet", 0, destructionCounter.getDestroyCount());
// shutdown the node on which the previous invocation happened
final int totalCountBeforeShuttingDownANode = result.getCount();
final String previousInvocationNodeName = result.getNodeName();
// the value is configured in arquillian.xml of the project
if (previousInvocationNodeName.equals(NODE_1)) {
if (undeployOnly) {
deployer.undeploy(DEPLOYMENT_1);
deployer.undeploy(DEPLOYMENT_HELPER_1);
} else {
stop(CONTAINER_1);
}
} else {
if (undeployOnly) {
deployer.undeploy(DEPLOYMENT_2);
deployer.undeploy(DEPLOYMENT_HELPER_2);
} else {
stop(CONTAINER_2);
}
}
// invoke again
CounterResult resultAfterShuttingDownANode = remoteCounter.increment();
Assert.assertNotNull("Result from remote stateful counter, after shutting down a node was null", resultAfterShuttingDownANode);
Assert.assertEquals("Unexpected count from remote counter, after shutting down a node", totalCountBeforeShuttingDownANode + 1, resultAfterShuttingDownANode.getCount());
Assert.assertFalse("Result was received from an unexpected node, after shutting down a node", previousInvocationNodeName.equals(resultAfterShuttingDownANode.getNodeName()));
// repeat invocations
final int countBeforeDecrementing = resultAfterShuttingDownANode.getCount();
final String aliveNode = resultAfterShuttingDownANode.getNodeName();
for (int i = NUM_TIMES; i > 0; i--) {
resultAfterShuttingDownANode = remoteCounter.decrement();
Assert.assertNotNull("Result from remote stateful counter, after shutting down a node was null", resultAfterShuttingDownANode);
Assert.assertEquals("Result was received from an unexpected node, after shutting down a node", aliveNode, resultAfterShuttingDownANode.getNodeName());
log.trace("Counter decremented to " + resultAfterShuttingDownANode.getCount() + " on node " + resultAfterShuttingDownANode.getNodeName());
}
final CounterResult finalResult = remoteCounter.getCount();
Assert.assertNotNull("Result from remote stateful counter, after shutting down a node was null", finalResult);
final int finalCount = finalResult.getCount();
final String finalNodeName = finalResult.getNodeName();
Assert.assertEquals("Result was received from an unexpected node, after shutting down a node", aliveNode, finalNodeName);
Assert.assertEquals("Unexpected count from remote counter, after shutting down a node", countBeforeDecrementing - NUM_TIMES, finalCount);
Assert.assertEquals("Nothing should have been destroyed yet", 0, destructionCounter.getDestroyCount());
remoteCounter.remove();
Assert.assertEquals("SFSB was not destroyed", 1, destructionCounter.getDestroyCount());
}
}