lttng-ust-java-tests-log4j/src/test/java/org/lttng/ust/agent/integration/filter/Log4jFilterListenerOrderingIT.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.filter;
  20
  21 import static org.junit.Assert.fail;
  22 import static org.junit.Assume.assumeTrue;
  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.BeforeClass;
  30 import org.lttng.tools.LttngToolsHelper;
  31 import org.lttng.tools.ILttngSession.Domain;
  32 import org.lttng.ust.agent.log4j.LttngLogAppender;
  33 import org.lttng.ust.agent.utils.Log4jTestUtils;
  34 import org.lttng.ust.agent.utils.LttngUtils;
  35
  36 /**
  37  * Implementation of {@link FilterListenerOrderingITBase} for the log4j API.
  38  */
  39 public class Log4jFilterListenerOrderingIT extends FilterListenerOrderingITBase {
  40
  41     private Logger logger;
  42     private Appender appender;
  43
  44     /**
  45      * Class setup
  46      */
  47     @BeforeClass
  48     public static void julClassSetup() {
  49         /* Skip tests if we can't find the JNI library or lttng-tools */
  50         assumeTrue(Log4jTestUtils.checkForLog4jLibrary());
  51         assumeTrue(LttngUtils.checkForLttngTools(Domain.LOG4J));
  52
  53         LttngToolsHelper.destroyAllSessions();
  54     }
  55
  56     @Override
  57     protected Domain getDomain() {
  58         return Domain.LOG4J;
  59     }
  60
  61     @Override
  62     protected void registerAgent() {
  63         logger = Logger.getLogger(EVENT_NAME_A);
  64         logger.setLevel(Level.ALL);
  65
  66         try {
  67             appender = new LttngLogAppender();
  68         } catch (SecurityException | IOException e) {
  69             fail(e.getMessage());
  70         }
  71         logger.addAppender(appender);
  72     }
  73
  74     @Override
  75     protected void deregisterAgent() {
  76         logger.removeAppender(appender);
  77         logger = null;
  78
  79         appender.close();
  80         appender = null;
  81     }
  82 }