lttng-ust-java-tests-log4j2/src/test/java/org/lttng/ust/agent/integration/events/Log4j2ListEventsIT.java

   1 /*
   2  * Copyright (C) 2022, EfficiOS Inc.
   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.Assert.assertEquals;
  22 import static org.junit.Assert.assertTrue;
  23
  24 import java.util.Arrays;
  25 import java.util.Collections;
  26 import java.util.List;
  27
  28 import org.apache.logging.log4j.Logger;
  29 import org.junit.After;
  30 import org.junit.AfterClass;
  31 import org.junit.Before;
  32 import org.junit.BeforeClass;
  33 import org.junit.Rule;
  34 import org.junit.Test;
  35 import org.junit.rules.TestName;
  36 import org.lttng.tools.ILttngSession;
  37 import org.lttng.ust.agent.utils.Log4j2TestContext;
  38 import org.lttng.ust.agent.utils.Log4j2TestUtils;
  39
  40 /**
  41  * Test suite for the list events command for the log4j domain
  42  */
  43 public class Log4j2ListEventsIT {
  44
  45     protected static final String LOGGER_NAME_1 = "org.lttng.somecomponent";
  46     protected static final String LOGGER_NAME_2 = "org.lttng.mycomponent";
  47     protected static final String LOGGER_NAME_3 = "org.lttng.myothercomponent-àéç";
  48
  49     private Logger logger1;
  50     private Logger logger2;
  51     private Logger logger3;
  52
  53     private ILttngSession session;
  54     private Log4j2TestContext testContext;
  55
  56     @Rule
  57     public TestName testName = new TestName();
  58
  59     /**
  60      * Class setup
  61      */
  62     @BeforeClass
  63     public static void log4j2ClassSetup() {
  64         Log4j2TestUtils.testClassSetup();
  65     }
  66
  67     /**
  68      * Class cleanup
  69      */
  70     @AfterClass
  71     public static void log4j2ClassCleanup() {
  72         Log4j2TestUtils.testClassCleanup();
  73     }
  74
  75     /**
  76      * Create a new session before each test.
  77      */
  78     @Before
  79     public void testSetup() {
  80         session = ILttngSession.createSession("Log4j2ListEventsIT", ILttngSession.Domain.LOG4J);
  81
  82         testContext = new Log4j2TestContext("log4j2." + testName.getMethodName() + ".xml");
  83
  84         testContext.beforeTest();
  85
  86         logger1 = testContext.getLoggerContext().getLogger(LOGGER_NAME_1);
  87         logger2 = testContext.getLoggerContext().getLogger(LOGGER_NAME_2);
  88         logger3 = testContext.getLoggerContext().getLogger(LOGGER_NAME_3);
  89     }
  90
  91     /**
  92      * Close the current session after each test.
  93      */
  94     @After
  95     public void testTeardown() {
  96         session.close();
  97         testContext.afterTest();
  98     }
  99
 100     /**
 101      * Test with many loggers existing, but none of them having a LTTng handler
 102      * attached.
 103      */
 104     @Test
 105     public void testManyLoggersNoneAttached() {
 106
 107         /* Don't attach anything */
 108         List<String> actualEvents = session.listEvents();
 109         assertTrue(actualEvents.isEmpty());
 110     }
 111
 112     /**
 113      * Test with many loggers existing, but only a subset of them has a LTTng
 114      * handler attached.
 115      */
 116     @Test
 117     public void testManyLoggersSomeAttached() {
 118
 119         List<String> expectedEvents = Arrays.asList(LOGGER_NAME_1);
 120         List<String> actualEvents = session.listEvents();
 121
 122         Collections.sort(expectedEvents);
 123         Collections.sort(actualEvents);
 124
 125         assertEquals(expectedEvents, actualEvents);
 126     }
 127
 128     /**
 129      * Test with many loggers existing, and all of them having a LTTng handler
 130      * attached.
 131      */
 132     @Test
 133     public void testManyLoggersAllAttached() {
 134
 135         List<String> expectedEvents = Arrays.asList(LOGGER_NAME_1, LOGGER_NAME_2, LOGGER_NAME_3);
 136         List<String> actualEvents = session.listEvents();
 137
 138         Collections.sort(expectedEvents);
 139         Collections.sort(actualEvents);
 140
 141         assertEquals(expectedEvents, actualEvents);
 142     }
 143 }