| 1 | package org.lttng.ust.agent.integration.log4j; |
| 2 | |
| 3 | import static org.junit.Assert.assertEquals; |
| 4 | import static org.junit.Assert.assertNotNull; |
| 5 | import static org.junit.Assert.assertTrue; |
| 6 | import static org.junit.Assert.fail; |
| 7 | import static org.junit.Assume.assumeTrue; |
| 8 | |
| 9 | import java.io.IOException; |
| 10 | import java.lang.reflect.Field; |
| 11 | import java.util.List; |
| 12 | |
| 13 | import org.apache.log4j.Level; |
| 14 | import org.apache.log4j.Logger; |
| 15 | import org.junit.After; |
| 16 | import org.junit.AfterClass; |
| 17 | import org.junit.Before; |
| 18 | import org.junit.BeforeClass; |
| 19 | import org.junit.Test; |
| 20 | import org.lttng.ust.agent.ILttngHandler; |
| 21 | import org.lttng.ust.agent.LTTngAgent; |
| 22 | import org.lttng.ust.agent.log4j.LttngLogAppender; |
| 23 | import org.lttng.ust.agent.utils.LttngSessionControl; |
| 24 | import org.lttng.ust.agent.utils.LttngSessionControl.Domain; |
| 25 | |
| 26 | @SuppressWarnings("deprecation") |
| 27 | public class Log4jLegacyApiTest { |
| 28 | |
| 29 | private static final Domain DOMAIN = Domain.LOG4J; |
| 30 | |
| 31 | private static final String EVENT_NAME_A = "EventA"; |
| 32 | private static final String EVENT_NAME_B = "EventB"; |
| 33 | |
| 34 | private Logger loggerA; |
| 35 | private Logger loggerB; |
| 36 | |
| 37 | @BeforeClass |
| 38 | public static void classSetup() { |
| 39 | /* Skip tests if we can't find the JNI library or lttng-tools */ |
| 40 | try { |
| 41 | LttngLogAppender testAppender = new LttngLogAppender(); |
| 42 | testAppender.close(); |
| 43 | } catch (SecurityException | IOException e) { |
| 44 | assumeTrue(false); |
| 45 | } |
| 46 | |
| 47 | boolean ret1 = LttngSessionControl.setupSession(null, DOMAIN); |
| 48 | boolean ret2 = LttngSessionControl.stopSession(null); |
| 49 | /* "lttng view" also tests that Babeltrace is installed and working */ |
| 50 | List<String> contents = LttngSessionControl.viewSession(null); |
| 51 | boolean ret3 = LttngSessionControl.destroySession(null); |
| 52 | assumeTrue(ret1 && ret2 && ret3); |
| 53 | assumeTrue(contents.isEmpty()); |
| 54 | } |
| 55 | |
| 56 | @AfterClass |
| 57 | public static void classCleanup() { |
| 58 | LttngSessionControl.deleteAllTracee(); |
| 59 | } |
| 60 | |
| 61 | @Before |
| 62 | public void setup() { |
| 63 | loggerA = Logger.getLogger(EVENT_NAME_A); |
| 64 | LTTngAgent.getLTTngAgent(); |
| 65 | loggerB = Logger.getLogger(EVENT_NAME_B); |
| 66 | |
| 67 | loggerA.setLevel(Level.ALL); |
| 68 | loggerB.setLevel(Level.ALL); |
| 69 | } |
| 70 | |
| 71 | @After |
| 72 | public void tearDown() { |
| 73 | /* In case the test fails before destroying the session */ |
| 74 | LttngSessionControl.tryDestroySession(null); |
| 75 | |
| 76 | LTTngAgent.dispose(); |
| 77 | |
| 78 | loggerA = null; |
| 79 | loggerB = null; |
| 80 | } |
| 81 | |
| 82 | @Test |
| 83 | public void testNoEvents() { |
| 84 | assertTrue(LttngSessionControl.setupSession(null, DOMAIN)); |
| 85 | |
| 86 | Log4jEnabledEventsTest.send10Events(loggerA); |
| 87 | Log4jEnabledEventsTest.send10Events(loggerB); |
| 88 | |
| 89 | assertTrue(LttngSessionControl.stopSession(null)); |
| 90 | |
| 91 | List<String> output = LttngSessionControl.viewSession(null); |
| 92 | assertNotNull(output); |
| 93 | assertTrue(output.isEmpty()); |
| 94 | |
| 95 | assertTrue(LttngSessionControl.destroySession(null)); |
| 96 | |
| 97 | ILttngHandler handler = getAgentHandler(); |
| 98 | assertEquals(0, handler.getEventCount()); |
| 99 | } |
| 100 | |
| 101 | @Test |
| 102 | public void testAllEvents() { |
| 103 | assertTrue(LttngSessionControl.setupSessionAllEvents(null, DOMAIN)); |
| 104 | |
| 105 | Log4jEnabledEventsTest.send10Events(loggerA); |
| 106 | Log4jEnabledEventsTest.send10Events(loggerB); |
| 107 | |
| 108 | assertTrue(LttngSessionControl.stopSession(null)); |
| 109 | |
| 110 | List<String> output = LttngSessionControl.viewSession(null); |
| 111 | assertNotNull(output); |
| 112 | assertEquals(20, output.size()); |
| 113 | |
| 114 | assertTrue(LttngSessionControl.destroySession(null)); |
| 115 | |
| 116 | ILttngHandler handler = getAgentHandler(); |
| 117 | assertEquals(20, handler.getEventCount()); |
| 118 | } |
| 119 | |
| 120 | @Test |
| 121 | public void testSomeEvents() { |
| 122 | assertTrue(LttngSessionControl.setupSession(null, DOMAIN, |
| 123 | EVENT_NAME_A)); |
| 124 | |
| 125 | Log4jEnabledEventsTest.send10Events(loggerA); |
| 126 | Log4jEnabledEventsTest.send10Events(loggerB); |
| 127 | |
| 128 | assertTrue(LttngSessionControl.stopSession(null)); |
| 129 | |
| 130 | List<String> output = LttngSessionControl.viewSession(null); |
| 131 | assertNotNull(output); |
| 132 | assertEquals(10, output.size()); |
| 133 | |
| 134 | assertTrue(LttngSessionControl.destroySession(null)); |
| 135 | |
| 136 | ILttngHandler handler = getAgentHandler(); |
| 137 | assertEquals(10, handler.getEventCount()); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Get the singleton Log4j Handler currently managed by the LTTngAgent. It |
| 142 | * is not public, so we need reflection to access it. |
| 143 | * |
| 144 | * @return The agent's Log4j handler |
| 145 | */ |
| 146 | private ILttngHandler getAgentHandler() { |
| 147 | try { |
| 148 | Field log4jAppenderField = LTTngAgent.class.getDeclaredField("log4jAppender"); |
| 149 | log4jAppenderField.setAccessible(true); |
| 150 | return (ILttngHandler) log4jAppenderField.get(LTTngAgent.getLTTngAgent()); |
| 151 | } catch (ReflectiveOperationException | SecurityException e) { |
| 152 | fail(); |
| 153 | return null; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | } |
| 158 | |