Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2015, 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.singleton; import static org.jboss.as.test.clustering.ClusterTestUtil.executeOnNodesAndReload; import java.net.URI; import java.net.URL; import java.util.Arrays; import javax.servlet.http.HttpServletResponse; import org.apache.http.HttpResponse; 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.arquillian.container.ManagementClient; import org.jboss.as.test.clustering.cluster.ClusterAbstractTestCase; import org.jboss.as.test.clustering.cluster.singleton.servlet.TraceServlet; import org.jboss.as.test.http.util.TestHttpClientUtils; import org.jboss.as.test.shared.TimeoutUtil; import org.jboss.shrinkwrap.api.Archive; import org.jboss.shrinkwrap.api.ShrinkWrap; import org.jboss.shrinkwrap.api.spec.WebArchive; import org.junit.Assert; import org.junit.Test; import org.junit.runner.RunWith; /** * @author Paul Ferraro */ @RunWith(Arquillian.class) @RunAsClient public abstract class SingletonDeploymentTestCase extends ClusterAbstractTestCase { private static final String DEPLOYMENT_NAME = "singleton-deployment-helper.war"; static final String SINGLETON_DEPLOYMENT_1 = "singleton-deployment-0"; static final String SINGLETON_DEPLOYMENT_2 = "singleton-deployment-1"; @Deployment(name = DEPLOYMENT_1, managed = false, testable = false) @TargetsContainer(CONTAINER_1) public static Archive<?> deploymentHelper0() { return createDeployment(); } @Deployment(name = DEPLOYMENT_2, managed = false, testable = false) @TargetsContainer(CONTAINER_2) public static Archive<?> deploymentHelper1() { return createDeployment(); } private static Archive<?> createDeployment() { WebArchive war = ShrinkWrap.create(WebArchive.class, DEPLOYMENT_NAME); war.addPackage(TraceServlet.class.getPackage()); return war; } public static final int DELAY = TimeoutUtil.adjust(5000); private final String deploymentName; SingletonDeploymentTestCase(String deploymentName) { this.deploymentName = deploymentName; } @Test public void test(@ArquillianResource @OperateOnDeployment(DEPLOYMENT_1) ManagementClient client1, @ArquillianResource @OperateOnDeployment(DEPLOYMENT_2) ManagementClient client2, @ArquillianResource(TraceServlet.class) @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1, @ArquillianResource(TraceServlet.class) @OperateOnDeployment(DEPLOYMENT_2) URL baseURL2) throws Exception { // In order to test undeploy in case another node becomes elected as the master, we need an election policy that will ever trigger that code path (WFLY-8184) executeOnNodesAndReload( "/subsystem=singleton/singleton-policy=default/election-policy=simple:write-attribute(name=name-preferences,value=" + Arrays.toString(NODES) + ")", client1, client2); this.deploy(SINGLETON_DEPLOYMENT_1); Thread.sleep(DELAY); this.deploy(SINGLETON_DEPLOYMENT_2); Thread.sleep(DELAY); URI uri1 = TraceServlet.createURI(new URL(baseURL1.getProtocol(), baseURL1.getHost(), baseURL1.getPort(), "/" + this.deploymentName + "/")); URI uri2 = TraceServlet.createURI(new URL(baseURL2.getProtocol(), baseURL2.getHost(), baseURL2.getPort(), "/" + this.deploymentName + "/")); try (CloseableHttpClient client = TestHttpClientUtils.promiscuousCookieHttpClient()) { HttpResponse response = client.execute(new HttpGet(uri1)); try { Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } response = client.execute(new HttpGet(uri2)); try { Assert.assertEquals(HttpServletResponse.SC_NOT_FOUND, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } this.undeploy(SINGLETON_DEPLOYMENT_1); Thread.sleep(DELAY); response = client.execute(new HttpGet(uri1)); try { Assert.assertEquals(HttpServletResponse.SC_NOT_FOUND, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } response = client.execute(new HttpGet(uri2)); try { Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } this.deploy(SINGLETON_DEPLOYMENT_1); Thread.sleep(DELAY); response = client.execute(new HttpGet(uri1)); try { Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } response = client.execute(new HttpGet(uri2)); try { Assert.assertEquals(HttpServletResponse.SC_NOT_FOUND, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } this.undeploy(SINGLETON_DEPLOYMENT_2); Thread.sleep(DELAY); response = client.execute(new HttpGet(uri1)); try { Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } response = client.execute(new HttpGet(uri2)); try { Assert.assertEquals(HttpServletResponse.SC_NOT_FOUND, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } this.deploy(SINGLETON_DEPLOYMENT_2); Thread.sleep(DELAY); response = client.execute(new HttpGet(uri1)); try { Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } response = client.execute(new HttpGet(uri2)); try { Assert.assertEquals(HttpServletResponse.SC_NOT_FOUND, response.getStatusLine().getStatusCode()); } finally { HttpClientUtils.closeQuietly(response); } } finally { this.undeploy(SINGLETON_DEPLOYMENT_1, SINGLETON_DEPLOYMENT_2); executeOnNodesAndReload( "/subsystem=singleton/singleton-policy=default/election-policy=simple:undefine-attribute(name=name-preferences)", client1, client2); } } }