[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 static org.junit.Assert.*; |
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| 18 | |
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| 19 | import java.io.File; |
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| 20 | import java.io.IOException; |
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| 21 | import java.io.StringReader; |
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| 22 | import java.util.Collection; |
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| 23 | import java.util.Iterator; |
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| 24 | import java.util.LinkedList; |
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| 25 | import java.util.List; |
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| 26 | |
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| 27 | import javax.servlet.ServletException; |
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| 28 | import javax.servlet.http.HttpServlet; |
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| 29 | import javax.servlet.http.HttpServletRequest; |
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| 30 | import javax.servlet.http.HttpServletResponse; |
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| 31 | import javax.xml.bind.JAXBContext; |
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| 32 | import javax.xml.bind.JAXBElement; |
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| 33 | import javax.xml.bind.Unmarshaller; |
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| 34 | |
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| 35 | import org.eclipse.jetty.server.Server; |
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| 36 | import org.eclipse.jetty.servlet.ServletContextHandler; |
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| 37 | import org.eclipse.jetty.servlet.ServletHolder; |
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| 38 | import org.junit.Test; |
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| 39 | |
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| 40 | import de.ugoe.cs.autoquest.eventcore.Event; |
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| 41 | import de.ugoe.cs.autoquest.httpmonitor.exchange.HttpExchange; |
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| 42 | import de.ugoe.cs.autoquest.httpmonitor.exchange.Method; |
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| 43 | import de.ugoe.cs.autoquest.httpmonitor.proxy.HttpMonitoringProxy; |
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| 44 | import de.ugoe.cs.autoquest.plugin.http.HTTPLogParser; |
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| 45 | import de.ugoe.cs.autoquest.plugin.http.eventcore.HTTPEventType; |
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| 46 | import de.ugoe.cs.autoquest.plugin.http.eventcore.HTTPTarget; |
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| 47 | |
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| 48 | /** |
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| 49 | * @author Patrick Harms |
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| 50 | */ |
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| 51 | public class HttpMonitoringProxyTest extends AbstractTC { |
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| 52 | |
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| 53 | /** |
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| 54 | * |
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| 55 | */ |
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| 56 | private HttpMonitoringProxy proxy; |
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| 57 | |
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| 58 | /** |
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| 59 | * the jetty web server used for receiving messages copied by the proxy |
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| 60 | */ |
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| 61 | private Server dummyMonitor; |
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| 62 | |
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| 63 | /** |
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| 64 | * the messages received by the dummy monitor |
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| 65 | */ |
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| 66 | private List<String> messages; |
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| 67 | |
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| 68 | /** |
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| 69 | * |
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| 70 | */ |
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| 71 | protected void setUpHook() throws Exception { |
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| 72 | // setup a simple HTTP server |
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| 73 | messages = new LinkedList<String>(); |
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| 74 | |
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| 75 | dummyMonitor = new Server(PORT + 2); |
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| 76 | ServletContextHandler root = |
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| 77 | new ServletContextHandler(dummyMonitor, "/", ServletContextHandler.SESSIONS); |
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| 78 | |
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| 79 | root.addServlet(new ServletHolder(new DummyMonitorServlet()), "/*"); |
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| 80 | |
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| 81 | dummyMonitor.start(); |
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| 82 | } |
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| 83 | |
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| 84 | /** |
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| 85 | * |
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| 86 | */ |
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| 87 | protected void tearDownHook() throws Exception { |
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| 88 | if (proxy != null) { |
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| 89 | try { |
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| 90 | proxy.stop(); |
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| 91 | } |
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| 92 | finally { |
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| 93 | proxy = null; |
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| 94 | } |
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| 95 | } |
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| 96 | if (dummyMonitor != null) { |
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| 97 | try { |
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| 98 | dummyMonitor.stop(); |
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| 99 | } |
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| 100 | finally { |
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| 101 | dummyMonitor = null; |
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| 102 | } |
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| 103 | } |
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| 104 | messages = null; |
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| 105 | } |
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| 106 | |
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| 107 | @Test(expected=java.lang.IllegalArgumentException.class) |
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| 108 | public void test_InvalidInitialization_01() throws Exception { |
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| 109 | proxy = new HttpMonitoringProxy(new String[] { }); |
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| 110 | } |
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| 111 | |
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| 112 | @Test |
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| 113 | public void test_SimpleText_Local() throws Exception { |
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| 114 | proxy = new HttpMonitoringProxy |
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| 115 | (new String[] { LOG_FILE_DIR, PORT +"", "localhost:" + (PORT + 1), "local" }); |
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| 116 | |
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| 117 | proxy.init(); |
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| 118 | proxy.start(); |
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| 119 | |
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| 120 | String message = "dummy message"; |
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| 121 | String expectedResponse = "response content"; |
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| 122 | String response = sendDummyMessage("POST", message, expectedResponse); |
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| 123 | |
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| 124 | assertEquals(expectedResponse, response); |
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| 125 | |
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| 126 | proxy.stop(); |
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| 127 | proxy = null; |
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| 128 | |
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| 129 | File logFile = new File(LOG_FILE_DIR + File.separator + "httpmonitor_000.log"); |
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| 130 | |
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| 131 | assertTrue(logFile.exists()); |
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| 132 | |
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| 133 | HTTPLogParser parser = new HTTPLogParser(); |
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| 134 | |
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| 135 | parser.parseFile(logFile); |
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| 136 | |
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| 137 | // check the sequences |
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| 138 | Collection<List<Event>> sequences = parser.getSequences(); |
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| 139 | |
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| 140 | assertNotNull(sequences); |
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| 141 | |
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| 142 | Iterator<List<Event>> iterator = sequences.iterator(); |
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| 143 | assertTrue(iterator.hasNext()); |
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| 144 | |
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| 145 | List<Event> sequence = iterator.next(); |
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| 146 | assertFalse(iterator.hasNext()); |
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| 147 | |
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| 148 | assertNotNull(sequence); |
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| 149 | assertEquals(1, sequence.size()); |
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| 150 | |
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| 151 | assertEvent(sequence.get(0), "POST", message, expectedResponse); |
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| 152 | } |
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| 153 | |
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| 154 | @Test |
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| 155 | public void test_SimpleText_Remote() throws Exception { |
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| 156 | proxy = new HttpMonitoringProxy |
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| 157 | (new String[] { LOG_FILE_DIR, PORT +"", |
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| 158 | "localhost:" + (PORT + 1), "localhost:" + (PORT + 2) }); |
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| 159 | |
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| 160 | proxy.init(); |
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| 161 | proxy.start(); |
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| 162 | |
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| 163 | String message = "dummy message"; |
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| 164 | String expectedResponse = "response content"; |
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| 165 | String response = sendDummyMessage("POST", message, expectedResponse); |
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| 166 | |
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| 167 | assertEquals(expectedResponse, response); |
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| 168 | |
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| 169 | // give the proxy some time to send the copy of the message |
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| 170 | while(messages.size() < 1) { |
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| 171 | Thread.sleep(1000); |
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| 172 | } |
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| 173 | |
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| 174 | assertEquals(1, messages.size()); |
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| 175 | |
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| 176 | JAXBContext jaxbContext = JAXBContext.newInstance(HttpExchange.class.getPackage().getName()); |
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| 177 | Unmarshaller unmarshaller = jaxbContext.createUnmarshaller(); |
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| 178 | |
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| 179 | @SuppressWarnings("unchecked") |
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| 180 | JAXBElement<HttpExchange> jaxObject = |
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| 181 | (JAXBElement<HttpExchange>) unmarshaller.unmarshal(new StringReader(messages.get(0))); |
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| 182 | |
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| 183 | HttpExchange exchange = jaxObject.getValue(); |
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| 184 | |
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| 185 | assertEquals(message, exchange.getRequest().getContent().getData()); |
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| 186 | assertEquals(response, exchange.getResponse().getContent().getData()); |
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| 187 | } |
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| 188 | |
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| 189 | @Test |
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| 190 | public void test_XMLMessage_Local() throws Exception { |
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| 191 | proxy = new HttpMonitoringProxy |
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| 192 | (new String[] { LOG_FILE_DIR, PORT +"", "localhost:" + (PORT + 1), "local" }); |
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| 193 | |
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| 194 | proxy.init(); |
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| 195 | proxy.start(); |
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| 196 | |
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| 197 | String message = |
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| 198 | "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + |
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| 199 | "<xsd:schema targetNamespace=\"http://autoquest.informatik.uni-goettingen.de\">" + |
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| 200 | " <xsd:element name=\"httpEvent\" type=\"tns:HttpEvent\" />" + |
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| 201 | "</xsd:schema>"; |
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| 202 | |
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| 203 | String expectedResponse = |
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| 204 | "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + |
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| 205 | "<httpEvent status=\"success\" xmlns=\"http://autoquest.informatik.uni-goettingen.de\">" + |
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| 206 | " <sender><ip>127.0.0.1</ip><host>127.0.0.1</host><port>42688</port></sender>" + |
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| 207 | " <receiver><ip>127.0.0.1</ip><host>127.0.0.1</host><port>19098</port></receiver>" + |
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| 208 | " <request method=\"POST\" protocol=\"HTTP/1.1\" url=\"http://localhost:19098/\">" + |
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| 209 | " <headers>" + |
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| 210 | " <header key=\"User-Agent\" value=\"Apache-HttpClient/4.2.1 (java 1.5)\"/>" + |
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| 211 | " <header key=\"Connection\" value=\"keep-alive\"/>" + |
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| 212 | " <header key=\"Host\" value=\"localhost:19098\"/>" + |
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| 213 | " <header key=\"Content-Type\" value=\"text/plain; charset=ISO-8859-1\"/>" + |
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| 214 | " <header key=\"Content-Length\" value=\"13\"/>" + |
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| 215 | " </headers>" + |
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| 216 | " <content encoding=\"ISO-8859-1\" type=\"text/plain; charset=ISO-8859-1\"" + |
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| 217 | " length=\"13\">" + |
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| 218 | " <data>dummy message</data>" + |
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| 219 | " </content>" + |
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| 220 | " </request>" + |
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| 221 | " <response status=\"200\">" + |
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| 222 | " <headers>" + |
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| 223 | " <header key=\"Server\" value=\"Jetty(9.1.0.M0)\"/>" + |
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| 224 | " <header key=\"Content-Length\" value=\"16\"/>" + |
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| 225 | " </headers>" + |
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| 226 | " <content encoding=\"ISO-8859-1\" length=\"16\">" + |
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| 227 | " <data>response content</data>" + |
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| 228 | " </content>" + |
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| 229 | " </response>" + |
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| 230 | "</httpEvent>"; |
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| 231 | |
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| 232 | String response = sendDummyMessage("POST", message, expectedResponse); |
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| 233 | |
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| 234 | assertEquals(expectedResponse, response); |
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| 235 | |
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| 236 | proxy.stop(); |
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| 237 | proxy = null; |
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| 238 | |
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| 239 | File logFile = new File(LOG_FILE_DIR + File.separator + "httpmonitor_000.log"); |
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| 240 | |
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| 241 | assertTrue(logFile.exists()); |
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| 242 | |
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| 243 | HTTPLogParser parser = new HTTPLogParser(); |
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| 244 | |
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| 245 | parser.parseFile(logFile); |
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| 246 | |
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| 247 | // check the sequences |
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| 248 | Collection<List<Event>> sequences = parser.getSequences(); |
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| 249 | |
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| 250 | assertNotNull(sequences); |
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| 251 | |
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| 252 | Iterator<List<Event>> iterator = sequences.iterator(); |
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| 253 | assertTrue(iterator.hasNext()); |
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| 254 | |
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| 255 | List<Event> sequence = iterator.next(); |
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| 256 | assertFalse(iterator.hasNext()); |
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| 257 | |
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| 258 | assertNotNull(sequence); |
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| 259 | assertEquals(1, sequence.size()); |
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| 260 | |
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| 261 | assertEvent(sequence.get(0), "POST", message, expectedResponse); |
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| 262 | } |
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| 263 | |
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| 264 | @Test |
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| 265 | public void test_XMLMessage_Remote() throws Exception { |
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| 266 | proxy = new HttpMonitoringProxy |
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| 267 | (new String[] { LOG_FILE_DIR, PORT +"", |
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| 268 | "localhost:" + (PORT + 1), "localhost:" + (PORT + 2) }); |
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| 269 | |
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| 270 | proxy.init(); |
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| 271 | proxy.start(); |
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| 272 | |
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| 273 | String message = |
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| 274 | "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + |
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| 275 | "<xsd:schema targetNamespace=\"http://autoquest.informatik.uni-goettingen.de\">" + |
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| 276 | " <xsd:element name=\"httpEvent\" type=\"tns:HttpEvent\" />" + |
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| 277 | "</xsd:schema>"; |
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| 278 | |
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| 279 | String expectedResponse = |
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| 280 | "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + |
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| 281 | "<httpEvent status=\"success\" xmlns=\"http://autoquest.informatik.uni-goettingen.de\">" + |
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| 282 | " <sender><ip>127.0.0.1</ip><host>127.0.0.1</host><port>42688</port></sender>" + |
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| 283 | " <receiver><ip>127.0.0.1</ip><host>127.0.0.1</host><port>19098</port></receiver>" + |
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| 284 | " <request method=\"POST\" protocol=\"HTTP/1.1\" url=\"http://localhost:19098/\">" + |
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| 285 | " <headers>" + |
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| 286 | " <header key=\"User-Agent\" value=\"Apache-HttpClient/4.2.1 (java 1.5)\"/>" + |
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| 287 | " <header key=\"Connection\" value=\"keep-alive\"/>" + |
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| 288 | " <header key=\"Host\" value=\"localhost:19098\"/>" + |
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| 289 | " <header key=\"Content-Type\" value=\"text/plain; charset=ISO-8859-1\"/>" + |
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| 290 | " <header key=\"Content-Length\" value=\"13\"/>" + |
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| 291 | " </headers>" + |
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| 292 | " <content encoding=\"ISO-8859-1\" type=\"text/plain; charset=ISO-8859-1\"" + |
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| 293 | " length=\"13\">" + |
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| 294 | " <data>dummy message</data>" + |
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| 295 | " </content>" + |
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| 296 | " </request>" + |
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| 297 | " <response status=\"200\">" + |
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| 298 | " <headers>" + |
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| 299 | " <header key=\"Server\" value=\"Jetty(9.1.0.M0)\"/>" + |
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| 300 | " <header key=\"Content-Length\" value=\"16\"/>" + |
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| 301 | " </headers>" + |
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| 302 | " <content encoding=\"ISO-8859-1\" length=\"16\">" + |
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| 303 | " <data>response content</data>" + |
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| 304 | " </content>" + |
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| 305 | " </response>" + |
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| 306 | "</httpEvent>"; |
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| 307 | |
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| 308 | String response = sendDummyMessage("POST", message, expectedResponse); |
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| 309 | |
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| 310 | assertEquals(expectedResponse, response); |
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| 311 | |
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| 312 | // give the proxy some time to send the copy of the message |
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| 313 | while(messages.size() < 1) { |
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| 314 | Thread.sleep(1000); |
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| 315 | } |
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| 316 | |
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| 317 | assertEquals(1, messages.size()); |
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| 318 | |
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| 319 | JAXBContext jaxbContext = JAXBContext.newInstance(HttpExchange.class.getPackage().getName()); |
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| 320 | Unmarshaller unmarshaller = jaxbContext.createUnmarshaller(); |
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| 321 | |
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| 322 | @SuppressWarnings("unchecked") |
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| 323 | JAXBElement<HttpExchange> jaxObject = |
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| 324 | (JAXBElement<HttpExchange>) unmarshaller.unmarshal(new StringReader(messages.get(0))); |
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| 325 | |
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| 326 | HttpExchange exchange = jaxObject.getValue(); |
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| 327 | |
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| 328 | assertEquals(message, exchange.getRequest().getContent().getData()); |
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| 329 | assertEquals(response, exchange.getResponse().getContent().getData()); |
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| 330 | } |
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| 331 | |
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| 332 | /** |
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| 333 | * |
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| 334 | */ |
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| 335 | private void assertEvent(Event event, String method, String message, String response) { |
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| 336 | assertNotNull(event); |
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| 337 | assertNotNull(event.getType()); |
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| 338 | assertNotNull(event.getTarget()); |
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| 339 | |
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| 340 | assertTrue(event.getType() instanceof HTTPEventType); |
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| 341 | assertTrue(event.getTarget() instanceof HTTPTarget); |
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| 342 | |
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| 343 | HttpExchange exchange = ((HTTPEventType) event.getType()).getExchange(); |
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| 344 | |
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| 345 | assertEquals(Method.fromValue(method), exchange.getRequest().getMethod()); |
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| 346 | assertEquals(message, exchange.getRequest().getContent().getData()); |
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| 347 | assertEquals(response, exchange.getResponse().getContent().getData()); |
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| 348 | } |
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| 349 | |
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| 350 | /** |
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| 351 | * @author Patrick Harms |
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| 352 | */ |
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| 353 | private class DummyMonitorServlet extends HttpServlet { |
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| 354 | |
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| 355 | /** */ |
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| 356 | private static final long serialVersionUID = 1L; |
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| 357 | |
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| 358 | /* (non-Javadoc) |
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| 359 | * @see javax.servlet.http.HttpServlet#service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) |
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| 360 | */ |
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| 361 | @Override |
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| 362 | protected void doPost(HttpServletRequest req, HttpServletResponse resp) |
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| 363 | throws ServletException, IOException |
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| 364 | { |
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| 365 | messages.add(readToString(req.getReader())); |
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| 366 | |
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| 367 | resp.setStatus(HttpServletResponse.SC_OK); |
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| 368 | } |
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| 369 | |
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| 370 | |
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| 371 | } |
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| 372 | |
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| 373 | } |
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