Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.apache.felix.dm.lambda.itest; |
| 20 | |
| 21 | import java.io.PrintWriter; |
| 22 | import java.io.StringWriter; |
| 23 | import java.util.Hashtable; |
| 24 | import java.util.concurrent.Executor; |
| 25 | import java.util.concurrent.ExecutorService; |
| 26 | import java.util.concurrent.Executors; |
| 27 | import java.util.concurrent.TimeUnit; |
| 28 | |
| 29 | import org.apache.felix.dm.Component; |
| 30 | import org.apache.felix.dm.ComponentExecutorFactory; |
| 31 | import org.apache.felix.dm.DependencyManager; |
| 32 | import org.junit.Assert; |
| 33 | import org.osgi.framework.Bundle; |
| 34 | import org.osgi.framework.BundleContext; |
| 35 | import org.osgi.framework.BundleException; |
| 36 | import org.osgi.framework.Constants; |
| 37 | import org.osgi.framework.FrameworkEvent; |
| 38 | import org.osgi.framework.FrameworkListener; |
| 39 | import org.osgi.framework.FrameworkUtil; |
| 40 | import org.osgi.framework.ServiceReference; |
| 41 | import org.osgi.framework.ServiceRegistration; |
| 42 | import org.osgi.service.log.LogService; |
| 43 | |
| 44 | import junit.framework.TestCase; |
| 45 | |
| 46 | /** |
| 47 | * Base class for all integration tests. |
| 48 | * |
| 49 | * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| 50 | */ |
| 51 | public abstract class TestBase extends TestCase implements LogService, FrameworkListener { |
| 52 | // Default OSGI log service level. |
| 53 | protected final static int LOG_LEVEL = LogService.LOG_WARNING; |
| 54 | |
| 55 | // optional thread pool used by parallel dependency managers |
| 56 | private volatile ExecutorService m_threadPool; |
| 57 | |
| 58 | // flag used to check if the threadpool must be used for a given test. |
| 59 | protected volatile boolean m_parallel; |
| 60 | |
| 61 | // Flag used to check if some errors have been logged during the execution of a given test. |
| 62 | private volatile boolean m_errorsLogged; |
| 63 | |
| 64 | // We implement OSGI log service. |
| 65 | protected ServiceRegistration logService; |
| 66 | |
| 67 | // Our bundle context |
| 68 | protected BundleContext context; |
| 69 | |
| 70 | // Our dependency manager used to create test components. |
| 71 | protected volatile DependencyManager m_dm; |
| 72 | |
| 73 | // The Registration for the DM threadpool. |
| 74 | private ServiceRegistration m_componentExecutorFactoryReg; |
| 75 | |
| 76 | public TestBase() { |
| 77 | } |
| 78 | |
| 79 | protected void setParallel() { |
| 80 | m_parallel = true; |
| 81 | } |
| 82 | |
| 83 | public void setUp() throws Exception { |
| 84 | warn("Setting up test " + getClass().getName()); |
| 85 | context = FrameworkUtil.getBundle(this.getClass()).getBundleContext(); |
| 86 | Hashtable<String, Object> props = new Hashtable<>(); |
| 87 | props.put(Constants.SERVICE_RANKING, new Integer(Integer.MAX_VALUE)); |
| 88 | logService = context.registerService(LogService.class.getName(), this, props); |
| 89 | context.addFrameworkListener(this); |
| 90 | m_dm = new DependencyManager(context); |
| 91 | if (m_parallel) { |
| 92 | warn("Using threadpool ..."); |
| 93 | m_threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()); |
| 94 | m_componentExecutorFactoryReg = context.registerService(ComponentExecutorFactory.class.getName(), |
| 95 | new ComponentExecutorFactory() { |
| 96 | @Override |
| 97 | public Executor getExecutorFor(Component component) { |
| 98 | return m_threadPool; |
| 99 | } |
| 100 | }, |
| 101 | null); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | public void tearDown() throws Exception { |
| 106 | warn("Tearing down test " + getClass().getName()); |
| 107 | logService.unregister(); |
| 108 | context.removeFrameworkListener(this); |
| 109 | clearComponents(); |
| 110 | if (m_parallel && m_componentExecutorFactoryReg != null) { |
| 111 | m_componentExecutorFactoryReg.unregister(); |
| 112 | m_threadPool.shutdown(); |
| 113 | try { |
| 114 | m_threadPool.awaitTermination(60, TimeUnit.SECONDS); |
| 115 | } catch (InterruptedException e) { |
| 116 | } |
| 117 | } |
| 118 | Assert.assertFalse(errorsLogged()); |
| 119 | } |
| 120 | |
| 121 | protected DependencyManager getDM() { |
| 122 | return m_dm; |
| 123 | } |
| 124 | |
| 125 | protected void clearComponents() { |
| 126 | m_dm.clear(); |
| 127 | warn("All component cleared."); |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Creates and provides an Ensure object with a name service property into the OSGi service registry. |
| 132 | */ |
| 133 | protected ServiceRegistration register(Ensure e, String name) { |
| 134 | Hashtable<String, String> props = new Hashtable<String, String>(); |
| 135 | props.put("name", name); |
| 136 | return context.registerService(Ensure.class.getName(), e, props); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Helper method used to stop a given bundle. |
| 141 | * |
| 142 | * @param symbolicName |
| 143 | * the symbolic name of the bundle to be stopped. |
| 144 | */ |
| 145 | protected void stopBundle(String symbolicName) { |
| 146 | // Stop the test.annotation bundle |
| 147 | boolean found = false; |
| 148 | for (Bundle b : context.getBundles()) { |
| 149 | if (b.getSymbolicName().equals(symbolicName)) { |
| 150 | try { |
| 151 | found = true; |
| 152 | b.stop(); |
| 153 | } catch (BundleException e) { |
| 154 | e.printStackTrace(); |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | if (!found) { |
| 159 | throw new IllegalStateException("bundle " + symbolicName + " not found"); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Helper method used to start a given bundle. |
| 165 | * |
| 166 | * @param symbolicName |
| 167 | * the symbolic name of the bundle to be started. |
| 168 | */ |
| 169 | protected void startBundle(String symbolicName) { |
| 170 | // Stop the test.annotation bundle |
| 171 | boolean found = false; |
| 172 | for (Bundle b : context.getBundles()) { |
| 173 | if (b.getSymbolicName().equals(symbolicName)) { |
| 174 | try { |
| 175 | found = true; |
| 176 | b.start(); |
| 177 | } catch (BundleException e) { |
| 178 | e.printStackTrace(); |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | if (!found) { |
| 183 | throw new IllegalStateException("bundle " + symbolicName + " not found"); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Helper method used to get a given bundle. |
| 189 | * |
| 190 | * @param symbolicName |
| 191 | * the symbolic name of the bundle to get. |
| 192 | */ |
| 193 | protected Bundle getBundle(String symbolicName) { |
| 194 | for (Bundle b : context.getBundles()) { |
| 195 | if (b.getSymbolicName().equals(symbolicName)) { |
| 196 | return b; |
| 197 | } |
| 198 | } |
| 199 | throw new IllegalStateException("bundle " + symbolicName + " not found"); |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Suspend the current thread for a while. |
| 204 | * |
| 205 | * @param n |
| 206 | * the number of milliseconds to wait for. |
| 207 | */ |
| 208 | protected void sleep(int ms) { |
| 209 | try { |
| 210 | Thread.sleep(ms); |
| 211 | } catch (InterruptedException e) { |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | public void log(int level, String message) { |
| 216 | checkError(level, null); |
| 217 | if (LOG_LEVEL >= level) { |
| 218 | System.out.println(getLevel(level) + " - " + Thread.currentThread().getName() + " : " + message); |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | public void log(int level, String message, Throwable exception) { |
| 223 | checkError(level, exception); |
| 224 | if (LOG_LEVEL >= level) { |
| 225 | StringBuilder sb = new StringBuilder(); |
| 226 | sb.append(getLevel(level) + " - " + Thread.currentThread().getName() + " : "); |
| 227 | sb.append(message); |
| 228 | parse(sb, exception); |
| 229 | System.out.println(sb.toString()); |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | public void log(ServiceReference sr, int level, String message) { |
| 234 | checkError(level, null); |
| 235 | if (LOG_LEVEL >= level) { |
| 236 | StringBuilder sb = new StringBuilder(); |
| 237 | sb.append(getLevel(level) + " - " + Thread.currentThread().getName() + " : "); |
| 238 | sb.append(message); |
| 239 | System.out.println(sb.toString()); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | public void log(ServiceReference sr, int level, String message, Throwable exception) { |
| 244 | checkError(level, exception); |
| 245 | if (LOG_LEVEL >= level) { |
| 246 | StringBuilder sb = new StringBuilder(); |
| 247 | sb.append(getLevel(level) + " - " + Thread.currentThread().getName() + " : "); |
| 248 | sb.append(message); |
| 249 | parse(sb, exception); |
| 250 | System.out.println(sb.toString()); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | protected boolean errorsLogged() { |
| 255 | return m_errorsLogged; |
| 256 | } |
| 257 | |
| 258 | private void parse(StringBuilder sb, Throwable t) { |
| 259 | if (t != null) { |
| 260 | sb.append(" - "); |
| 261 | StringWriter buffer = new StringWriter(); |
| 262 | PrintWriter pw = new PrintWriter(buffer); |
| 263 | t.printStackTrace(pw); |
| 264 | sb.append(buffer.toString()); |
| 265 | m_errorsLogged = true; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | private String getLevel(int level) { |
| 270 | switch (level) { |
| 271 | case LogService.LOG_DEBUG : |
| 272 | return "DEBUG"; |
| 273 | case LogService.LOG_ERROR : |
| 274 | return "ERROR"; |
| 275 | case LogService.LOG_INFO : |
| 276 | return "INFO"; |
| 277 | case LogService.LOG_WARNING : |
| 278 | return "WARN"; |
| 279 | default : |
| 280 | return ""; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | private void checkError(int level, Throwable exception) { |
| 285 | if (level <= LOG_ERROR) { |
| 286 | m_errorsLogged = true; |
| 287 | } |
| 288 | if (exception != null) { |
| 289 | m_errorsLogged = true; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | public void frameworkEvent(FrameworkEvent event) { |
| 294 | int eventType = event.getType(); |
| 295 | String msg = getFrameworkEventMessage(eventType); |
| 296 | int level = (eventType == FrameworkEvent.ERROR) ? LOG_ERROR : LOG_WARNING; |
| 297 | if (msg != null) { |
| 298 | log(level, msg, event.getThrowable()); |
| 299 | } else { |
| 300 | log(level, "Unknown fwk event: " + event); |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | private String getFrameworkEventMessage(int event) { |
| 305 | switch (event) { |
| 306 | case FrameworkEvent.ERROR : |
| 307 | return "FrameworkEvent: ERROR"; |
| 308 | case FrameworkEvent.INFO : |
| 309 | return "FrameworkEvent INFO"; |
| 310 | case FrameworkEvent.PACKAGES_REFRESHED : |
| 311 | return "FrameworkEvent: PACKAGE REFRESHED"; |
| 312 | case FrameworkEvent.STARTED : |
| 313 | return "FrameworkEvent: STARTED"; |
| 314 | case FrameworkEvent.STARTLEVEL_CHANGED : |
| 315 | return "FrameworkEvent: STARTLEVEL CHANGED"; |
| 316 | case FrameworkEvent.WARNING : |
| 317 | return "FrameworkEvent: WARNING"; |
| 318 | default : |
| 319 | return null; |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | protected void warn(String msg, Object ... params) { |
| 324 | if (LOG_LEVEL >= LogService.LOG_WARNING) { |
| 325 | log(LogService.LOG_WARNING, params.length > 0 ? String.format(msg, params) : msg); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | @SuppressWarnings("unused") |
| 330 | protected void info(String msg, Object ... params) { |
| 331 | if (LOG_LEVEL >= LogService.LOG_INFO) { |
| 332 | log(LogService.LOG_INFO, params.length > 0 ? String.format(msg, params) : msg); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | @SuppressWarnings("unused") |
| 337 | protected void debug(String msg, Object ... params) { |
| 338 | if (LOG_LEVEL >= LogService.LOG_DEBUG) { |
| 339 | log(LogService.LOG_DEBUG, params.length > 0 ? String.format(msg, params) : msg); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | protected void error(String msg, Object ... params) { |
| 344 | log(LogService.LOG_ERROR, params.length > 0 ? String.format(msg, params) : msg); |
| 345 | } |
| 346 | |
| 347 | protected void error(String msg, Throwable err, Object ... params) { |
| 348 | log(LogService.LOG_ERROR, params.length > 0 ? String.format(msg, params) : msg, err); |
| 349 | } |
| 350 | |
| 351 | protected void error(Throwable err) { |
| 352 | log(LogService.LOG_ERROR, "error", err); |
| 353 | } |
| 354 | } |