[1376] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | |
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| 15 | package de.ugoe.cs.autoquest.httpmonitor; |
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| 16 | |
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| 17 | import java.io.BufferedReader; |
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| 18 | import java.io.File; |
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| 19 | import java.io.IOException; |
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| 20 | import java.io.InputStream; |
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| 21 | import java.io.InputStreamReader; |
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| 22 | import java.util.logging.Level; |
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| 23 | |
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| 24 | import org.apache.http.HttpEntity; |
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| 25 | import org.apache.http.HttpResponse; |
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| 26 | import org.apache.http.client.methods.HttpGet; |
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| 27 | import org.apache.http.client.methods.HttpPost; |
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| 28 | import org.apache.http.client.methods.HttpRequestBase; |
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| 29 | import org.apache.http.entity.ContentType; |
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| 30 | import org.apache.http.entity.StringEntity; |
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| 31 | import org.apache.http.impl.client.DefaultHttpClient; |
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| 32 | import org.eclipse.jetty.server.Server; |
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| 33 | import org.eclipse.jetty.servlet.ServletContextHandler; |
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| 34 | import org.eclipse.jetty.servlet.ServletHolder; |
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| 35 | import org.junit.After; |
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| 36 | import org.junit.Before; |
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| 37 | |
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| 38 | import de.ugoe.cs.util.console.TextConsole; |
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| 39 | |
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| 40 | /** |
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| 41 | * |
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| 42 | */ |
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| 43 | public abstract class AbstractTC { |
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| 44 | |
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| 45 | /** |
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| 46 | * |
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| 47 | */ |
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| 48 | protected static final TextConsole CONSOLE = new TextConsole(Level.FINEST); |
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| 49 | |
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| 50 | /** |
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| 51 | * |
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| 52 | */ |
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| 53 | protected final static String LOG_FILE_DIR = "target/tmp/logfiles/"; |
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| 54 | |
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| 55 | /** |
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| 56 | * |
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| 57 | */ |
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| 58 | protected static final int PORT = 19098; |
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| 59 | |
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| 60 | /** |
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| 61 | * the jetty web server used for receiving messages |
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| 62 | */ |
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| 63 | private Server dummyServer; |
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| 64 | |
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| 65 | /** |
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| 66 | * the servlet of the dummy web server responding to requests |
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| 67 | */ |
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| 68 | private DummyServlet dummyServlet; |
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| 69 | |
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| 70 | /** |
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| 71 | * |
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| 72 | */ |
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| 73 | @Before |
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| 74 | public void setUp() throws Exception { |
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| 75 | // setup a simple HTTP server |
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| 76 | dummyServer = new Server(PORT + 1); |
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| 77 | |
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| 78 | ServletContextHandler root = |
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| 79 | new ServletContextHandler(dummyServer, "/", ServletContextHandler.SESSIONS); |
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| 80 | |
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| 81 | dummyServlet = new DummyServlet(); |
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| 82 | root.addServlet(new ServletHolder(dummyServlet), "/*"); |
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| 83 | |
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| 84 | dummyServer.start(); |
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| 85 | |
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| 86 | setUpHook(); |
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| 87 | } |
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| 88 | |
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| 89 | /** |
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| 90 | * |
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| 91 | */ |
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| 92 | protected abstract void setUpHook() throws Exception; |
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| 93 | |
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| 94 | /** |
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| 95 | * |
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| 96 | */ |
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| 97 | @After |
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| 98 | public void tearDown() throws Exception { |
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| 99 | // give all started servers a second to finalize their internal work after the test |
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| 100 | // execution. This prevents some unnecessary exceptions due to requests already processed |
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| 101 | // by the test case but not finalized on server side. |
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| 102 | Thread.sleep(1000); |
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| 103 | tearDownHook(); |
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| 104 | |
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| 105 | if (dummyServer != null) { |
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| 106 | try { |
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| 107 | dummyServer.stop(); |
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| 108 | } |
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| 109 | finally { |
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| 110 | dummyServer = null; |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | deleteFiles(new File(LOG_FILE_DIR)); |
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| 115 | } |
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| 116 | |
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| 117 | /** |
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| 118 | * |
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| 119 | */ |
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| 120 | protected abstract void tearDownHook() throws Exception; |
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| 121 | |
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| 122 | /** |
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| 123 | * |
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| 124 | */ |
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| 125 | protected String sendDummyMessage(String type, String message, String respMsg) |
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| 126 | throws Exception |
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| 127 | { |
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| 128 | dummyServlet.setResponse(respMsg); |
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| 129 | |
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| 130 | System.err.println("sending message: " + message); |
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| 131 | DefaultHttpClient httpclient = new DefaultHttpClient(); |
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| 132 | HttpRequestBase httpRequest = null; |
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| 133 | |
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| 134 | if ("POST".equals(type)) { |
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| 135 | httpRequest = new HttpPost("http://localhost:" + PORT + "/"); |
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| 136 | HttpEntity entity = new StringEntity(message, ContentType.TEXT_PLAIN); |
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| 137 | ((HttpPost) httpRequest).setEntity(entity); |
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| 138 | } |
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| 139 | else if ("GET".equals(type)) { |
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| 140 | httpRequest = new HttpGet("http://localhost:" + PORT + "/"); |
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| 141 | } |
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| 142 | |
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| 143 | try { |
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| 144 | HttpResponse response = httpclient.execute(httpRequest); |
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| 145 | String responseStr = readStreamContentToString(response.getEntity().getContent()); |
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| 146 | System.err.println("received response: " + message); |
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| 147 | return responseStr; |
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| 148 | } |
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| 149 | finally { |
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| 150 | httpRequest.releaseConnection(); |
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| 151 | } |
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| 152 | } |
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| 153 | |
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| 154 | /** |
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| 155 | * |
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| 156 | */ |
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| 157 | protected String readStreamContentToString(InputStream stream) throws IOException { |
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| 158 | return readToString(new BufferedReader(new InputStreamReader(stream))); |
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| 159 | } |
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| 160 | |
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| 161 | /** |
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| 162 | * |
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| 163 | */ |
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| 164 | protected String readToString(BufferedReader reader) throws IOException { |
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| 165 | StringBuffer message = new StringBuffer(); |
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| 166 | |
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| 167 | String line = reader.readLine(); |
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| 168 | while (line != null) { |
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| 169 | System.err.println(line); |
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| 170 | if (message.length() > 0) { |
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| 171 | message.append('\n'); |
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| 172 | } |
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| 173 | message.append(line); |
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| 174 | line = reader.readLine(); |
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| 175 | } |
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| 176 | |
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| 177 | return message.toString(); |
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| 178 | } |
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| 179 | |
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| 180 | /** |
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| 181 | * |
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| 182 | */ |
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| 183 | protected void deleteFiles(File file) { |
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| 184 | if (file.exists()) { |
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| 185 | if (file.isDirectory()) { |
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| 186 | for (File child : file.listFiles()) { |
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| 187 | deleteFiles(child); |
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| 188 | } |
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| 189 | } |
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| 190 | |
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| 191 | try { |
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| 192 | file.delete(); |
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| 193 | } |
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| 194 | catch (Exception e) { |
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| 195 | // ignore and delete as much as possible |
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| 196 | } |
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| 197 | } |
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| 198 | } |
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| 199 | |
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| 200 | } |
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