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
.events
;
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
;
26 import java
.lang
.reflect
.Field
;
27 import java
.util
.Arrays
;
28 import java
.util
.Collections
;
29 import java
.util
.List
;
31 import org
.apache
.log4j
.Level
;
32 import org
.apache
.log4j
.Logger
;
33 import org
.junit
.After
;
34 import org
.junit
.AfterClass
;
35 import org
.junit
.Before
;
36 import org
.junit
.BeforeClass
;
37 import org
.junit
.Test
;
38 import org
.junit
.runner
.RunWith
;
39 import org
.lttng
.tools
.ILttngSession
;
40 import org
.lttng
.tools
.ILttngSession
.Domain
;
41 import org
.lttng
.ust
.agent
.ILttngHandler
;
42 import org
.lttng
.ust
.agent
.LTTngAgent
;
43 import org
.lttng
.ust
.agent
.utils
.Log4jTestUtils
;
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 Log4jLegacyApiIT
{
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
;
60 private LTTngAgent agent
;
62 private Logger loggerA
;
63 private Logger loggerB
;
69 public static void log4jClassSetup() {
70 Log4jTestUtils
.testClassSetup();
77 public static void log4jClassCleanup() {
78 Log4jTestUtils
.testClassCleanup();
86 loggerA
= Logger
.getLogger(EVENT_NAME_A
);
87 agent
= LTTngAgent
.getLTTngAgent();
88 loggerB
= Logger
.getLogger(EVENT_NAME_B
);
90 loggerA
.setLevel(Level
.ALL
);
91 loggerB
.setLevel(Level
.ALL
);
93 session
= ILttngSession
.createSession(null, DOMAIN
);
100 public void tearDown() {
110 * Test tracing with no events enabled in the tracing session.
113 public void testNoEvents() {
114 assertTrue(session
.start());
116 Log4jTestUtils
.send10Events(loggerA
);
117 Log4jTestUtils
.send10Events(loggerB
);
119 assertTrue(session
.stop());
121 List
<String
> output
= session
.view();
122 assertNotNull(output
);
123 assertTrue(output
.isEmpty());
125 ILttngHandler handler
= getAgentHandler();
126 assertEquals(0, handler
.getEventCount());
130 * Test tracing with all events enabled (-l -a) in the tracing session.
133 public void testAllEvents() {
134 assertTrue(session
.enableAllEvents());
135 assertTrue(session
.start());
137 Log4jTestUtils
.send10Events(loggerA
);
138 Log4jTestUtils
.send10Events(loggerB
);
140 assertTrue(session
.stop());
142 List
<String
> output
= session
.view();
143 assertNotNull(output
);
144 assertEquals(20, output
.size());
146 ILttngHandler handler
= getAgentHandler();
147 assertEquals(20, handler
.getEventCount());
151 * Test tracing with a subset of events enabled in the tracing session.
154 public void testSomeEvents() {
155 assertTrue(session
.enableEvents(EVENT_NAME_A
));
156 assertTrue(session
.start());
158 Log4jTestUtils
.send10Events(loggerA
);
159 Log4jTestUtils
.send10Events(loggerB
);
161 assertTrue(session
.stop());
163 List
<String
> output
= session
.view();
164 assertNotNull(output
);
165 assertEquals(10, output
.size());
167 ILttngHandler handler
= getAgentHandler();
168 assertEquals(10, handler
.getEventCount());
172 * Test that the "lttng list" commands lists the expected events.
175 public void testListEvents() {
176 List
<String
> enabledEvents
= session
.listEvents();
177 List
<String
> expectedEvents
= Arrays
.asList(EVENT_NAME_A
, EVENT_NAME_B
);
179 Collections
.sort(enabledEvents
);
180 Collections
.sort(expectedEvents
);
182 assertEquals(expectedEvents
, enabledEvents
);
186 * Get the singleton Log4j Handler currently managed by the LTTngAgent. It
187 * is not public, so we need reflection to access it.
189 * @return The agent's Log4j handler
191 private static ILttngHandler
getAgentHandler() {
193 Field log4jAppenderField
= LTTngAgent
.class.getDeclaredField("log4jAppender");
194 log4jAppenderField
.setAccessible(true);
195 return (ILttngHandler
) log4jAppenderField
.get(LTTngAgent
.getLTTngAgent());
196 } catch (ReflectiveOperationException
| SecurityException e
) {
197 fail(e
.getMessage());