2 * Copyright (C) 2015, EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
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.
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.
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.
19 package org
.lttng
.ust
.agent
.integration
.log4j
;
21 import static org
.junit
.Assert
.assertEquals
;
22 import static org
.junit
.Assert
.assertNotNull
;
23 import static org
.junit
.Assert
.assertTrue
;
24 import static org
.junit
.Assert
.fail
;
25 import static org
.junit
.Assume
.assumeTrue
;
27 import java
.lang
.reflect
.Field
;
28 import java
.util
.List
;
30 import org
.apache
.log4j
.Level
;
31 import org
.apache
.log4j
.Logger
;
32 import org
.junit
.After
;
33 import org
.junit
.AfterClass
;
34 import org
.junit
.Before
;
35 import org
.junit
.BeforeClass
;
36 import org
.junit
.Test
;
37 import org
.junit
.runner
.RunWith
;
38 import org
.lttng
.tools
.ILttngSession
;
39 import org
.lttng
.tools
.ILttngSession
.Domain
;
40 import org
.lttng
.tools
.LttngToolsHelper
;
41 import org
.lttng
.ust
.agent
.ILttngHandler
;
42 import org
.lttng
.ust
.agent
.LTTngAgent
;
43 import org
.lttng
.ust
.agent
.utils
.LttngUtils
;
44 import org
.lttng
.ust
.agent
.utils
.TestPrintRunner
;
47 * Enabled events test for the LTTng-UST Log4j log handler, using the legacy
50 @RunWith(TestPrintRunner
.class)
51 @SuppressWarnings("deprecation")
52 public class Log4jLegacyApiTest
{
54 private static final Domain DOMAIN
= Domain
.LOG4J
;
56 private static final String EVENT_NAME_A
= "EventA";
57 private static final String EVENT_NAME_B
= "EventB";
59 private ILttngSession session
;
61 private Logger loggerA
;
62 private Logger loggerB
;
68 public static void classSetup() {
69 /* Skip tests if we can't find the JNI library or lttng-tools */
70 assumeTrue(LttngUtils
.checkForLog4jLibrary());
71 assumeTrue(LttngUtils
.checkForLttngTools(Domain
.LOG4J
));
73 LttngToolsHelper
.destroyAllSessions();
80 public static void classCleanup() {
81 LttngToolsHelper
.deleteAllTraces();
89 loggerA
= Logger
.getLogger(EVENT_NAME_A
);
90 LTTngAgent
.getLTTngAgent();
91 loggerB
= Logger
.getLogger(EVENT_NAME_B
);
93 loggerA
.setLevel(Level
.ALL
);
94 loggerB
.setLevel(Level
.ALL
);
96 session
= ILttngSession
.createSession(null, DOMAIN
);
103 public void tearDown() {
106 LTTngAgent
.dispose();
113 * Test tracing with no events enabled in the tracing session.
116 public void testNoEvents() {
117 assertTrue(session
.start());
119 Log4jTestUtils
.send10Events(loggerA
);
120 Log4jTestUtils
.send10Events(loggerB
);
122 assertTrue(session
.stop());
124 List
<String
> output
= session
.view();
125 assertNotNull(output
);
126 assertTrue(output
.isEmpty());
128 ILttngHandler handler
= getAgentHandler();
129 assertEquals(0, handler
.getEventCount());
133 * Test tracing with all events enabled (-l -a) in the tracing session.
136 public void testAllEvents() {
137 assertTrue(session
.enableAllEvents());
138 assertTrue(session
.start());
140 Log4jTestUtils
.send10Events(loggerA
);
141 Log4jTestUtils
.send10Events(loggerB
);
143 assertTrue(session
.stop());
145 List
<String
> output
= session
.view();
146 assertNotNull(output
);
147 assertEquals(20, output
.size());
149 ILttngHandler handler
= getAgentHandler();
150 assertEquals(20, handler
.getEventCount());
154 * Test tracing with a subset of events enabled in the tracing session.
157 public void testSomeEvents() {
158 assertTrue(session
.enableEvents(EVENT_NAME_A
));
159 assertTrue(session
.start());
161 Log4jTestUtils
.send10Events(loggerA
);
162 Log4jTestUtils
.send10Events(loggerB
);
164 assertTrue(session
.stop());
166 List
<String
> output
= session
.view();
167 assertNotNull(output
);
168 assertEquals(10, output
.size());
170 ILttngHandler handler
= getAgentHandler();
171 assertEquals(10, handler
.getEventCount());
175 * Get the singleton Log4j Handler currently managed by the LTTngAgent. It
176 * is not public, so we need reflection to access it.
178 * @return The agent's Log4j handler
180 private static ILttngHandler
getAgentHandler() {
182 Field log4jAppenderField
= LTTngAgent
.class.getDeclaredField("log4jAppender");
183 log4jAppenderField
.setAccessible(true);
184 return (ILttngHandler
) log4jAppenderField
.get(LTTngAgent
.getLTTngAgent());
185 } catch (ReflectiveOperationException
| SecurityException e
) {