git.lttng.org Git - lttng-ust-java-tests.git/blob

   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.events;
  20
  21 import java.io.IOException;
  22 import java.util.logging.Handler;
  23 import java.util.logging.LogManager;
  24 import java.util.logging.Logger;
  25
  26 import org.junit.After;
  27 import org.junit.AfterClass;
  28 import org.junit.Before;
  29 import org.junit.BeforeClass;
  30 import org.junit.runner.RunWith;
  31 import org.junit.runners.Parameterized;
  32 import org.lttng.tools.ILttngSession.Domain;
  33 import org.lttng.ust.agent.jul.LttngLogHandler;
  34 import org.lttng.ust.agent.utils.JulTestUtils;
  35
  36 /**
  37  * Implementation of {@link LoggerHierachyListITBase} for JUL log handlers.
  38  *
  39  * @author Alexandre Montplaisir
  40  */
  41 @RunWith(Parameterized.class)
  42 public class JulLoggerHierarchyListIT extends LoggerHierachyListITBase {
  43
  44     private Logger parentLogger;
  45     private Logger childLogger;
  46
  47     private Handler parentHandler;
  48     private Handler childHandler;
  49
  50     /**
  51      * Test constructor
  52      *
  53      * @param parentLoggerActive
  54      *            Parent logger has been instantiated
  55      * @param parentLoggerHasHandler
  56      *            Parent logger has a LTTng handler attached to it
  57      * @param childLoggerActive
  58      *            Child logger has been instantiated
  59      * @param childLoggerHasHandler
  60      *            Child logger has a LTTng handler attached to it
  61      */
  62     public JulLoggerHierarchyListIT(boolean parentLoggerActive,
  63             boolean parentLoggerHasHandler,
  64             boolean childLoggerActive,
  65             boolean childLoggerHasHandler) {
  66         /* Set by parameters defined in the base class */
  67         super(parentLoggerActive,
  68                 parentLoggerHasHandler,
  69                 childLoggerActive,
  70                 childLoggerHasHandler);
  71     }
  72
  73     // ------------------------------------------------------------------------
  74     // Maintenance
  75     // ------------------------------------------------------------------------
  76
  77     /**
  78      * Class setup
  79      */
  80     @BeforeClass
  81     public static void julClassSetup() {
  82         JulTestUtils.testClassSetup();
  83     }
  84
  85     /**
  86      * Class cleanup
  87      */
  88     @AfterClass
  89     public static void julClassCleanup() {
  90         JulTestUtils.testClassCleanup();
  91     }
  92
  93     /**
  94      * Test setup
  95      */
  96     @SuppressWarnings("static-method")
  97     @Before
  98     public void setup() {
  99         /*
 100          * Kind of hackish, but it's the only way to ensure that loggers are
 101          * really removed in-between tests, since LogManager does not provide a
 102          * way to forcibly remove a logger, and it doesn't seem like it will any
 103          * time soon, see http://bugs.java.com/view_bug.do?bug_id=4811930
 104          */
 105         LogManager.getLogManager().reset();
 106         System.gc();
 107     }
 108
 109     /**
 110      * Test cleanup
 111      */
 112     @After
 113     public void cleanup() {
 114         if (parentLogger != null) {
 115             if (parentHandler != null) {
 116                 parentLogger.removeHandler(parentHandler);
 117                 parentHandler.close();
 118                 parentHandler = null;
 119             }
 120             parentLogger = null;
 121         }
 122
 123         if (childLogger != null) {
 124             if (childHandler != null) {
 125                 childLogger.removeHandler(childHandler);
 126                 childHandler.close();
 127                 childHandler = null;
 128             }
 129             childLogger = null;
 130         }
 131
 132         LogManager.getLogManager().reset();
 133         System.gc();
 134     }
 135
 136     // ------------------------------------------------------------------------
 137     // Abstract methods
 138     // ------------------------------------------------------------------------
 139
 140     @Override
 141     protected Domain getDomain() {
 142         return Domain.JUL;
 143     }
 144
 145     @Override
 146     protected void activateLoggers() throws IOException {
 147         if (parentLoggerActive) {
 148             parentLogger = Logger.getLogger(PARENT_LOGGER);
 149             if (parentLoggerHasHandler) {
 150                 parentHandler = new LttngLogHandler();
 151                 parentLogger.addHandler(parentHandler);
 152             }
 153         }
 154
 155         if (childLoggerActive) {
 156             childLogger = Logger.getLogger(CHILD_LOGGER);
 157             if (childLoggerHasHandler) {
 158                 childHandler = new LttngLogHandler();
 159                 childLogger.addHandler(childHandler);
 160             }
 161         }
 162     }
 163
 164 }