src/test/java/org/lttng/ust/agent/integration/log4j/Log4jMultiSessionTest.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.log4j;
  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.tools.utils.LttngUtils;
  35 import org.lttng.ust.agent.integration.MultiSessionTestBase;
  36 import org.lttng.ust.agent.log4j.LttngLogAppender;
  37
  38 /**
  39  * Log4j tests for multiple concurrent tracing sessions
  40  */
  41 public class Log4jMultiSessionTest extends MultiSessionTestBase {
  42
  43     private static final Domain DOMAIN = Domain.LOG4J;
  44
  45     private Logger loggerA;
  46     private Logger loggerB;
  47     private Logger loggerC;
  48     private Logger loggerD;
  49
  50     /**
  51      * Class setup
  52      */
  53     @BeforeClass
  54     public static void log4jClassSetup() {
  55         /* Skip tests if we can't find the JNI library or lttng-tools */
  56         assumeTrue(LttngUtils.checkForLog4jLibrary());
  57         assumeTrue(LttngUtils.checkForLttngTools(Domain.LOG4J));
  58
  59         LttngToolsHelper.destroyAllSessions();
  60     }
  61
  62     /**
  63      * Class teardown
  64      */
  65     @AfterClass
  66     public static void log4jClassCleanup() {
  67         LttngToolsHelper.deleteAllTraces();
  68     }
  69
  70         /**
  71          * Test setup
  72          *
  73          * @throws SecurityException
  74          * @throws IOException
  75          */
  76     @Before
  77     public void log4jSetup() throws SecurityException, IOException {
  78         // TODO Wipe all existing LTTng sessions?
  79
  80         loggerA = Logger.getLogger(EVENT_NAME_A);
  81         loggerB = Logger.getLogger(EVENT_NAME_B);
  82         loggerC = Logger.getLogger(EVENT_NAME_C);
  83         loggerD = Logger.getLogger(EVENT_NAME_D);
  84
  85         loggerA.setLevel(Level.ALL);
  86         loggerB.setLevel(Level.ALL);
  87         loggerC.setLevel(Level.ALL);
  88         loggerD.setLevel(Level.ALL);
  89
  90         handlerA = new LttngLogAppender();
  91         handlerB = new LttngLogAppender();
  92         handlerC = new LttngLogAppender();
  93         handlerD = new LttngLogAppender();
  94
  95         loggerA.addAppender((Appender) handlerA);
  96         loggerB.addAppender((Appender) handlerB);
  97         loggerC.addAppender((Appender) handlerC);
  98         loggerD.addAppender((Appender) handlerD);
  99     }
 100
 101     /**
 102      * Test teardown
 103      */
 104     @After
 105     public void log4jTeardown() {
 106         loggerA.removeAppender((Appender) handlerA);
 107         loggerB.removeAppender((Appender) handlerB);
 108         loggerC.removeAppender((Appender) handlerC);
 109         loggerD.removeAppender((Appender) handlerD);
 110
 111         loggerA = null;
 112         loggerB = null;
 113         loggerC = null;
 114         loggerD = null;
 115     }
 116
 117     @Override
 118     protected Domain getDomain() {
 119         return DOMAIN;
 120     }
 121
 122     @Override
 123     protected void sendEventsToLoggers() {
 124         Log4jTestUtils.send10Events(loggerA);
 125         Log4jTestUtils.send10Events(loggerB);
 126         Log4jTestUtils.send10Events(loggerC);
 127         Log4jTestUtils.send10Events(loggerD);
 128     }
 129 }