lttng-ust-java-tests-log4j/src/test/java/org/lttng/ust/agent/integration/context/Log4jAppContextOrderingIT.java

   1 /*
   2  * Copyright (C) 2016, EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 package org.lttng.ust.agent.integration.context;
  20
  21 import static org.junit.Assert.assertTrue;
  22 import static org.junit.Assert.fail;
  23
  24 import java.io.IOException;
  25
  26 import org.apache.log4j.Appender;
  27 import org.apache.log4j.Level;
  28 import org.apache.log4j.Logger;
  29 import org.junit.After;
  30 import org.junit.BeforeClass;
  31 import org.lttng.tools.ILttngSession.Domain;
  32 import org.lttng.tools.LttngToolsHelper;
  33 import org.lttng.ust.agent.log4j.LttngLogAppender;
  34 import org.lttng.ust.agent.utils.Log4jTestUtils;
  35 import org.lttng.ust.agent.utils.LttngUtils;
  36
  37 /**
  38  * Implementation of {@link AppContextOrderingITBase} for the log4j API.
  39  */
  40 public class Log4jAppContextOrderingIT extends AppContextOrderingITBase {
  41
  42     private Logger logger;
  43
  44     /**
  45      * Class setup
  46      */
  47     @BeforeClass
  48     public static void log4jClassSetup() {
  49         /* Make sure we can find the JNI library and lttng-tools */
  50         assertTrue(Log4jTestUtils.checkForLog4jLibrary());
  51         assertTrue(LttngUtils.checkForLttngTools(Domain.LOG4J));
  52
  53         LttngToolsHelper.destroyAllSessions();
  54     }
  55
  56     /**
  57      * Test teardown
  58      */
  59     @After
  60     public void log4jTeardown() {
  61         logger.removeAppender((Appender) logHandler);
  62         logger = null;
  63
  64         logHandler.close();
  65         logHandler = null;
  66     }
  67
  68     @Override
  69     protected Domain getDomain() {
  70         return Domain.LOG4J;
  71     }
  72
  73     @Override
  74     protected void registerAgent() {
  75         logger = Logger.getLogger(EVENT_NAME);
  76         logger.setLevel(Level.ALL);
  77
  78         try {
  79             logHandler = new LttngLogAppender();
  80         } catch (SecurityException | IOException e) {
  81             fail(e.getMessage());
  82         }
  83         logger.addAppender((Appender) logHandler);
  84     }
  85
  86     @Override
  87     protected void sendEventsToLoggers() {
  88         Log4jTestUtils.send10Events(logger);
  89     }
  90 }