/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.cluster.ejb.xpc;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Date;
import javax.servlet.http.HttpServletResponse;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.HttpClientUtils;
import org.apache.http.impl.client.CloseableHttpClient;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.container.test.api.OperateOnDeployment;
import org.jboss.arquillian.container.test.api.RunAsClient;
import org.jboss.arquillian.container.test.api.TargetsContainer;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.as.test.clustering.cluster.ClusterAbstractTestCase;
import org.jboss.as.test.clustering.cluster.ejb.xpc.bean.StatefulBean;
import org.jboss.as.test.clustering.cluster.ejb.xpc.servlet.StatefulServlet;
import org.jboss.as.test.clustering.ejb.EJBDirectory;
import org.jboss.as.test.http.util.TestHttpClientUtils;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.StringAsset;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* @author Paul Ferraro
* @author Scott Marlow
* @version Oct 2012
*/
@RunWith(Arquillian.class)
@RunAsClient
public class StatefulWithXPCFailoverTestCase extends ClusterAbstractTestCase {
private static final String persistence_xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?> " +
"<persistence xmlns=\"http://java.sun.com/xml/ns/persistence\" version=\"1.0\">" +
" <persistence-unit name=\"mypc\">" +
" <description>Persistence Unit." +
" </description>" +
" <jta-data-source>java:jboss/datasources/ExampleDS</jta-data-source>" +
"<shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>" +
"<properties> <property name=\"hibernate.hbm2ddl.auto\" value=\"create-drop\"/>" +
"<property name=\"hibernate.cache.use_second_level_cache\" value=\"true\" />" +
"<property name=\"hibernate.generate_statistics\" value=\"true\" />" +
"<property name=\"hibernate.show_sql\" value=\"true\"/>" +
"</properties>" +
" </persistence-unit>" +
"</persistence>";
@Deployment(name = DEPLOYMENT_1, managed = false, testable = false)
@TargetsContainer(CONTAINER_1)
public static Archive<?> deployment0() {
return createDeployment();
}
@Deployment(name = DEPLOYMENT_2, managed = false, testable = false)
@TargetsContainer(CONTAINER_2)
public static Archive<?> deployment1() {
return createDeployment();
}
private static Archive<?> createDeployment() {
WebArchive war = ShrinkWrap.create(WebArchive.class, StatefulBean.MODULE + ".war");
war.addPackage(StatefulBean.class.getPackage());
war.addPackage(StatefulServlet.class.getPackage());
war.addPackage(EJBDirectory.class.getPackage());
war.setWebXML(StatefulServlet.class.getPackage(), "web.xml");
war.addAsResource(new StringAsset(persistence_xml), "META-INF/persistence.xml");
return war;
}
/**
* Use the second level cache statistics to ensure that deleting an entity on a cluster node, will
* remove the entity from the second level cache on other nodes.
* <p/>
* Note that this test writes to the separate databases on both cluster nodes (so that both nodes can
* read the entity from the database). The important thing is that the second level cache entries are
* invalidated when the entity is deleted from either database.
*
* @param baseURL1
* @param baseURL2
* @throws IOException
* @throws InterruptedException
* @throws URISyntaxException
*/
@Test
public void testSecondLevelCache(
@ArquillianResource() @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1,
@ArquillianResource() @OperateOnDeployment(DEPLOYMENT_2) URL baseURL2)
throws IOException, InterruptedException, URISyntaxException {
URI xpc1_create_url = StatefulServlet.createEmployeeURI(baseURL1);
URI xpc2_create_url = StatefulServlet.createEmployeeURI(baseURL2);
URI xpc1_flush_url = StatefulServlet.flushURI(baseURL1);
URI xpc2_flush_url = StatefulServlet.flushURI(baseURL2);
URI xpc1_clear_url = StatefulServlet.clearURI(baseURL1);
URI xpc2_clear_url = StatefulServlet.clearURI(baseURL2);
URI xpc1_get_url = StatefulServlet.getEmployeeURI(baseURL1);
URI xpc2_get_url = StatefulServlet.getEmployeeURI(baseURL2);
URI xpc1_getdestroy_url = StatefulServlet.destroyURI(baseURL2);
URI xpc1_delete_url = StatefulServlet.deleteEmployeeURI(baseURL1);
URI xpc2_delete_url = StatefulServlet.deleteEmployeeURI(baseURL2);
URI xpc1_secondLevelCacheEntries_url = StatefulServlet.getEmployeesIn2LCURI(baseURL1);
URI xpc2_secondLevelCacheEntries_url = StatefulServlet.getEmployeesIn2LCURI(baseURL2);
try (CloseableHttpClient client = TestHttpClientUtils.promiscuousCookieHttpClient()) {
assertExecuteUrl(client, StatefulServlet.echoURI(baseURL1, "StartingTestSecondLevelCache")); // echo message to server.log
assertExecuteUrl(client, StatefulServlet.echoURI(baseURL2, "StartingTestSecondLevelCache")); // echo message to server.log
String employeeName = executeUrlWithAnswer(client, xpc1_create_url, "create entity in node1 in memory db");
assertEquals(employeeName, "Tom Brady");
log.trace(new Date() + "about to read entity on node1 (from xpc queue)");
employeeName = executeUrlWithAnswer(client, xpc1_get_url, "on node1, node1 should be able to read entity on node1");
assertEquals(employeeName, "Tom Brady");
String employeesInCache = executeUrlWithAnswer(client, xpc1_secondLevelCacheEntries_url, "get number of elements in node1 second level cache (should be zero)");
assertEquals(employeesInCache, "0"); // we read the entity from the extended persistence context (hasn't been flushed yet)
assertExecuteUrl(client, xpc1_flush_url); // flush changes to db
assertExecuteUrl(client, xpc1_clear_url); // clear xpc state so we have to reload
employeeName = executeUrlWithAnswer(client, xpc2_create_url, "create entity in node2 in memory db (each node has its own database)");
assertEquals(employeeName, "Tom Brady");
assertExecuteUrl(client, xpc2_flush_url); // flush changes to db on second node
assertExecuteUrl(client, xpc2_clear_url); // clear xpc state so we have to reload
employeeName = executeUrlWithAnswer(client, xpc2_get_url, "node2 should be able to read entity from 2lc");
assertEquals(employeeName, "Tom Brady");
// we should of read one Employee entity on node2, ensure the second level cache contains one entry
employeesInCache = executeUrlWithAnswer(client, xpc2_secondLevelCacheEntries_url, "get number of elements in node2 second level cache (should be zero)");
assertEquals(employeesInCache, "1");
assertExecuteUrl(client, StatefulServlet.echoURI(baseURL1, "testSecondLevelCacheclearedXPC"));
assertExecuteUrl(client, StatefulServlet.echoURI(baseURL2, "testSecondLevelCacheclearedXPC"));
assertExecuteUrl(client, xpc2_delete_url); // deleting the entity on one node should remove it from both nodes second level cache
assertExecuteUrl(client, StatefulServlet.echoURI(baseURL1, "testSecondLevelCachedeletedEnityOnNode2"));
assertExecuteUrl(client, StatefulServlet.echoURI(baseURL1, "2lcOnNode1ShouldHaveZeroElemementsLoaded"));
employeesInCache = executeUrlWithAnswer(client, xpc1_secondLevelCacheEntries_url, "get number of elements in node1 second level cache (should be zero)");
assertEquals(employeesInCache, "0");
employeesInCache = executeUrlWithAnswer(client, xpc2_secondLevelCacheEntries_url, "get number of elements in node2 second level cache (should be zero)");
assertEquals(employeesInCache, "0");
assertExecuteUrl(client, xpc1_delete_url);
String destroyed = executeUrlWithAnswer(client, xpc1_getdestroy_url, "destroy the bean on node1");
assertEquals(destroyed, "DESTROY");
}
}
@Test
public void testBasicXPC(
@ArquillianResource() @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1,
@ArquillianResource() @OperateOnDeployment(DEPLOYMENT_2) URL baseURL2)
throws IOException, URISyntaxException {
URI xpc1_create_url = StatefulServlet.createEmployeeURI(baseURL1);
URI xpc1_get_url = StatefulServlet.getEmployeeURI(baseURL1);
URI xpc2_get_url = StatefulServlet.getEmployeeURI(baseURL2);
URI xpc1_getempsecond_url = StatefulServlet.get2ndBeanEmployeeURI(baseURL1);
URI xpc2_getempsecond_url = StatefulServlet.get2ndBeanEmployeeURI(baseURL2);
URI xpc2_getdestroy_url = StatefulServlet.destroyURI(baseURL2);
try (CloseableHttpClient client = TestHttpClientUtils.promiscuousCookieHttpClient()) {
stop(CONTAINER_2);
// extended persistence context is available on node1
log.trace(new Date() + "create employee entity ");
String employeeName = executeUrlWithAnswer(client, xpc1_create_url, "create entity that lives in the extended persistence context that this test will verify is always available");
assertEquals(employeeName, "Tom Brady");
log.trace(new Date() + "1. about to read entity on node1");
// ensure that we can get it from node 1
employeeName = executeUrlWithAnswer(client, xpc1_get_url, "1. xpc on node1, node1 should be able to read entity on node1");
assertEquals(employeeName, "Tom Brady");
employeeName = executeUrlWithAnswer(client, xpc1_getempsecond_url, "1. xpc on node1, node1 should be able to read entity from second bean on node1");
assertEquals(employeeName, "Tom Brady");
start(CONTAINER_2);
log.trace(new Date() + "2. started node2 + deployed, about to read entity on node1");
employeeName = executeUrlWithAnswer(client, xpc2_get_url, "2. started node2, xpc on node1, node1 should be able to read entity on node1");
assertEquals(employeeName, "Tom Brady");
employeeName = executeUrlWithAnswer(client, xpc2_getempsecond_url, "2. started node2, xpc on node1, node1 should be able to read entity from second bean on node1");
assertEquals(employeeName, "Tom Brady");
// failover to deployment2
stop(CONTAINER_1); // failover #1 to node 2
log.trace(new Date() + "3. stopped node1 to force failover, about to read entity on node2");
employeeName = executeUrlWithAnswer(client, xpc2_get_url, "3. stopped deployment on node1, xpc should failover to node2, node2 should be able to read entity from xpc");
assertEquals(employeeName, "Tom Brady");
employeeName = executeUrlWithAnswer(client, xpc2_getempsecond_url, "3. stopped deployment on node1, xpc should failover to node2, node2 should be able to read entity from xpc that is on node2 (second bean)");
assertEquals(employeeName, "Tom Brady");
String destroyed = executeUrlWithAnswer(client, xpc2_getdestroy_url, "4. destroy the bean on node2");
assertEquals(destroyed, "DESTROY");
log.trace(new Date() + "4. test is done");
}
}
private static String executeUrlWithAnswer(HttpClient client, URI url, String message) throws IOException {
HttpResponse response = client.execute(new HttpGet(url));
try {
assertEquals(200, response.getStatusLine().getStatusCode());
Header header = response.getFirstHeader("answer");
Assert.assertNotNull(message, header);
return header.getValue();
} finally {
HttpClientUtils.closeQuietly(response);
}
}
private static void assertExecuteUrl(HttpClient client, URI url) throws IOException {
HttpResponse response = client.execute(new HttpGet(url));
try {
assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
} finally {
HttpClientUtils.closeQuietly(response);
}
}
}