| /******************************************************************************* |
| * Copyright (c) 2009, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ua.tests.help.util; |
| |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.net.URLConnection; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.help.internal.server.WebappManager; |
| import org.junit.Assert; |
| |
| public class LoadServletUtil { |
| |
| private static long uniqueParam = System.currentTimeMillis(); |
| |
| /** |
| * Start a server for use in the performance tests |
| * @throws Exception |
| */ |
| public static void startServer() throws Exception { |
| WebappManager.start("help"); |
| int port = WebappManager.getPort(); |
| URL url = new URL("http", "localhost", port, "/help/index.jsp"); |
| URLConnection connection = url.openConnection(); |
| setTimeout(connection, 5000); |
| try (InputStream input = url.openStream()) { |
| int firstbyte = input.read(); |
| Assert.assertTrue(firstbyte > 0); |
| } |
| } |
| |
| /** |
| * Stop the server created by startServer() |
| * @throws CoreException |
| */ |
| public static void stopServer() throws CoreException { |
| WebappManager.stop("help"); |
| } |
| |
| /** |
| * Read an html page generated by a servlet |
| * @param paragraphs the number of paragraphs in the page |
| * @throws Exception |
| */ |
| public static void readLoadServlet(int paragraphs) throws Exception { |
| int port = WebappManager.getPort(); |
| // Use a unique parameter to defeat caching |
| ++uniqueParam; |
| URL url = new URL("http", "localhost", port, |
| "/help/loadtest?value=" + uniqueParam + "&repeat=" + paragraphs); |
| try (InputStream input = url.openStream()) { |
| int nextChar; |
| long value = 0; |
| // The loadtest servlet returns the uniqueParam in an opening |
| // comment such as <!--1234--> |
| // Read this to verify that we are not getting a cached page |
| boolean inFirstComment = true; |
| do { |
| nextChar = input.read(); |
| if (inFirstComment) { |
| if (nextChar == '>') { |
| inFirstComment = false; |
| } else if (Character.isDigit((char) nextChar)) { |
| value = value * 10 + (nextChar - '0'); |
| } |
| } |
| } while (nextChar != '$'); |
| Assert.assertEquals(uniqueParam, value); |
| } |
| } |
| |
| private static void setTimeout(URLConnection conn, int milliseconds) { |
| conn.setConnectTimeout(milliseconds); |
| conn.setReadTimeout(milliseconds); |
| } |
| |
| } |