lttng-ust-java-tests-log4j/src/test/java/org/lttng/ust/agent/integration/events/Log4jListEventsIT.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.Logger;
  27 import org.junit.After;
  28 import org.junit.Before;
  29 import org.junit.BeforeClass;
  30 import org.lttng.tools.ILttngSession.Domain;
  31 import org.lttng.tools.ILttngSession;
  32 import org.lttng.tools.LttngToolsHelper;
  33 import org.lttng.ust.agent.integration.events.ListEventsITBase;
  34 import org.lttng.ust.agent.log4j.LttngLogAppender;
  35 import org.lttng.ust.agent.utils.Log4jTestUtils;
  36 import org.lttng.ust.agent.utils.LttngUtils;
  37
  38 /**
  39  * Test suite for the list events command for the log4j domain
  40  */
  41 public class Log4jListEventsIT extends ListEventsITBase {
  42
  43     private Logger[] loggers;
  44     private Appender[] appenders;
  45
  46     /**
  47      * Test class setup
  48      */
  49     @BeforeClass
  50     public static void testClassSetup() {
  51         /* Skip tests if we can't find the JNI library or lttng-tools */
  52         assumeTrue(Log4jTestUtils.checkForLog4jLibrary());
  53         assumeTrue(LttngUtils.checkForLttngTools(Domain.LOG4J));
  54
  55         LttngToolsHelper.destroyAllSessions();
  56     }
  57
  58     /**
  59      * Test setup
  60      *
  61      * @throws SecurityException
  62      * @throws IOException
  63      */
  64     @Before
  65     public void log4jSetup() throws SecurityException, IOException {
  66         loggers = new Logger[] {
  67                 Logger.getLogger(LOGGER_NAME_1),
  68                 Logger.getLogger(LOGGER_NAME_2),
  69                 Logger.getLogger(LOGGER_NAME_3)
  70         };
  71
  72         appenders = new Appender[] {
  73                 new LttngLogAppender(),
  74                 new LttngLogAppender()
  75         };
  76     }
  77
  78     /**
  79      * Test teardown. Detach and close all log handlers.
  80      */
  81     @After
  82     public void log4jTeardown() {
  83         for (Logger logger : loggers) {
  84             for (Appender appender : appenders) {
  85                 logger.removeAppender(appender);
  86             }
  87         }
  88
  89         for (Appender appender : appenders) {
  90             appender.close();
  91         }
  92         appenders = null;
  93         loggers = null;
  94     }
  95
  96     @Override
  97     protected ILttngSession.Domain getDomain() {
  98         return ILttngSession.Domain.LOG4J;
  99     }
 100
 101     @Override
 102     protected void attachHandlerToLogger(int handlerIndex, int loggerIndex) {
 103         loggers[loggerIndex - 1].addAppender(appenders[handlerIndex - 1]);
 104     }
 105
 106     @Override
 107     protected void detachHandlerFromLogger(int handlerIndex, int loggerIndex) {
 108         loggers[loggerIndex - 1].removeAppender(appenders[handlerIndex - 1]);
 109     }
 110
 111 }