lttng-ust-java-tests-log4j/src/test/java/org/lttng/ust/agent/integration/events/Log4jMultiSessionIT.java

   1 /*
   2  * Copyright (C) 2015, 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.events;
  20
  21 import static org.junit.Assume.assumeTrue;
  22
  23 import java.io.IOException;
  24
  25 import org.apache.log4j.Appender;
  26 import org.apache.log4j.Level;
  27 import org.apache.log4j.Logger;
  28 import org.junit.After;
  29 import org.junit.AfterClass;
  30 import org.junit.Before;
  31 import org.junit.BeforeClass;
  32 import org.lttng.tools.ILttngSession.Domain;
  33 import org.lttng.tools.LttngToolsHelper;
  34 import org.lttng.ust.agent.integration.events.MultiSessionITBase;
  35 import org.lttng.ust.agent.log4j.LttngLogAppender;
  36 import org.lttng.ust.agent.utils.Log4jTestUtils;
  37 import org.lttng.ust.agent.utils.LttngUtils;
  38
  39 /**
  40  * Log4j tests for multiple concurrent tracing sessions
  41  */
  42 public class Log4jMultiSessionIT extends MultiSessionITBase {
  43
  44     private static final Domain DOMAIN = Domain.LOG4J;
  45
  46     private Logger loggerA;
  47     private Logger loggerB;
  48     private Logger loggerC;
  49     private Logger loggerD;
  50
  51     /**
  52      * Class setup
  53      */
  54     @BeforeClass
  55     public static void log4jClassSetup() {
  56         /* Skip tests if we can't find the JNI library or lttng-tools */
  57         assumeTrue(Log4jTestUtils.checkForLog4jLibrary());
  58         assumeTrue(LttngUtils.checkForLttngTools(Domain.LOG4J));
  59
  60         LttngToolsHelper.destroyAllSessions();
  61     }
  62
  63     /**
  64      * Class teardown
  65      */
  66     @AfterClass
  67     public static void log4jClassCleanup() {
  68         LttngToolsHelper.deleteAllTraces();
  69     }
  70
  71         /**
  72          * Test setup
  73          *
  74          * @throws SecurityException
  75          * @throws IOException
  76          */
  77     @Before
  78     public void log4jSetup() throws SecurityException, IOException {
  79         // TODO Wipe all existing LTTng sessions?
  80
  81         loggerA = Logger.getLogger(EVENT_NAME_A);
  82         loggerB = Logger.getLogger(EVENT_NAME_B);
  83         loggerC = Logger.getLogger(EVENT_NAME_C);
  84         loggerD = Logger.getLogger(EVENT_NAME_D);
  85
  86         loggerA.setLevel(Level.ALL);
  87         loggerB.setLevel(Level.ALL);
  88         loggerC.setLevel(Level.ALL);
  89         loggerD.setLevel(Level.ALL);
  90
  91         handlerA = new LttngLogAppender();
  92         handlerB = new LttngLogAppender();
  93         handlerC = new LttngLogAppender();
  94         handlerD = new LttngLogAppender();
  95
  96         loggerA.addAppender((Appender) handlerA);
  97         loggerB.addAppender((Appender) handlerB);
  98         loggerC.addAppender((Appender) handlerC);
  99         loggerD.addAppender((Appender) handlerD);
 100     }
 101
 102     /**
 103      * Test teardown
 104      */
 105     @After
 106     public void log4jTeardown() {
 107         loggerA.removeAppender((Appender) handlerA);
 108         loggerB.removeAppender((Appender) handlerB);
 109         loggerC.removeAppender((Appender) handlerC);
 110         loggerD.removeAppender((Appender) handlerD);
 111
 112         loggerA = null;
 113         loggerB = null;
 114         loggerC = null;
 115         loggerD = null;
 116     }
 117
 118     @Override
 119     protected Domain getDomain() {
 120         return DOMAIN;
 121     }
 122
 123     @Override
 124     protected void sendEventsToLoggers() {
 125         Log4jTestUtils.send10Events(loggerA);
 126         Log4jTestUtils.send10Events(loggerB);
 127         Log4jTestUtils.send10Events(loggerC);
 128         Log4jTestUtils.send10Events(loggerD);
 129     }
 130 }