invalidationsessiontest.java

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// ========================================================================
// Copyright 2004-2008 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// 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.mortbay.terracotta.servlet;

import java.io.IOException;
import java.util.Random;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.mortbay.jetty.HttpMethods;
import org.mortbay.jetty.client.ContentExchange;
import org.mortbay.jetty.client.HttpClient;
import org.testng.annotations.Test;

/**
 * Goal of the test is to be sure that invalidating a session on one node
 * result in the session being unavailable in the other node also.
 * @version $Revision: 1319 $ $Date: 2008-11-13 17:55:54 -0600 (Thu, 13 Nov 2008) $
 */
public class InvalidationSessionTest
{
    @Test
    public void testInvalidation() throws Exception
    {
        Random random = new Random(System.nanoTime());

        String contextPath = "";
        String servletMapping = "/server";
        int port1 = random.nextInt(50000) + 10000;
        TerracottaJettyServer server1 = new TerracottaJettyServer(port1);
        server1.addContext(contextPath).addServlet(TestServlet.class, servletMapping);
        server1.start();
        try
        {
            int port2 = random.nextInt(50000) + 10000;
            TerracottaJettyServer server2 = new TerracottaJettyServer(port2);
            server2.addContext(contextPath).addServlet(TestServlet.class, servletMapping);
            server2.start();
            try
            {
                HttpClient client = new HttpClient();
                client.setConnectorType(HttpClient.CONNECTOR_SOCKET);
                client.start();
                try
                {
                    String[] urls = new String[2];
                    urls[0] = "http://localhost:" + port1 + contextPath + servletMapping;
                    urls[1] = "http://localhost:" + port2 + contextPath + servletMapping;

                    // Create the session on node1
                    ContentExchange exchange1 = new ContentExchange(true);
                    exchange1.setMethod(HttpMethods.GET);
                    exchange1.setURL(urls[0] + "?action=init");
                    client.send(exchange1);
                    exchange1.waitForDone();
                    assert exchange1.getResponseStatus() == HttpServletResponse.SC_OK;
                    String sessionCookie = exchange1.getResponseFields().getStringField("Set-Cookie");
                    assert sessionCookie != null;

                    // Be sure the session is also present in node2
                    ContentExchange exchange2 = new ContentExchange(true);
                    exchange2.setMethod(HttpMethods.GET);
                    exchange2.setURL(urls[1] + "?action=increment");
                    exchange2.getRequestFields().add("Cookie", sessionCookie);
                    client.send(exchange2);
                    exchange2.waitForDone();
                    assert exchange2.getResponseStatus() == HttpServletResponse.SC_OK;

                    // Invalidate on node1
                    exchange1 = new ContentExchange(true);
                    exchange1.setMethod(HttpMethods.GET);
                    exchange1.setURL(urls[0] + "?action=invalidate");
                    exchange1.getRequestFields().add("Cookie", sessionCookie);
                    client.send(exchange1);
                    exchange1.waitForDone();
                    assert exchange1.getResponseStatus() == HttpServletResponse.SC_OK;

                    // Be sure on node2 we don't see the session anymore
                    exchange2 = new ContentExchange(true);
                    exchange2.setMethod(HttpMethods.GET);
                    exchange2.setURL(urls[1] + "?action=test");
                    exchange2.getRequestFields().add("Cookie", sessionCookie);
                    client.send(exchange2);
                    exchange2.waitForDone();
                    assert exchange2.getResponseStatus() == HttpServletResponse.SC_OK;
                }
                finally
                {
                    client.stop();
                }
            }
            finally
            {
                server2.stop();
            }
        }
        finally
        {
            server1.stop();
        }
    }

    public static class TestServlet extends HttpServlet
    {
        @Override
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
        {
            String action = request.getParameter("action");
            if ("init".equals(action))
            {
                HttpSession session = request.getSession(true);
                session.setAttribute("value", 0);
            }
            else if ("increment".equals(action))
            {
                HttpSession session = request.getSession(false);
                int value = (Integer)session.getAttribute("value");
                session.setAttribute("value", value + 1);
            }
            else if ("invalidate".equals(action))
            {
                HttpSession session = request.getSession(false);
                session.invalidate();
            }
            else if ("test".equals(action))
            {
                HttpSession session = request.getSession(false);
                assert session == null;
            }
        }
    }
}