| 1 | package org.lttng.ust.agent.integration.jul; |
| 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.Assume.assumeTrue; |
| 7 | |
| 8 | import java.io.IOException; |
| 9 | import java.util.List; |
| 10 | import java.util.logging.Handler; |
| 11 | import java.util.logging.Level; |
| 12 | import java.util.logging.Logger; |
| 13 | |
| 14 | import org.junit.After; |
| 15 | import org.junit.Before; |
| 16 | import org.junit.BeforeClass; |
| 17 | import org.junit.Test; |
| 18 | import org.lttng.ust.agent.jul.LttngLogHandler; |
| 19 | import org.lttng.ust.agent.utils.LttngSessionControl; |
| 20 | import org.lttng.ust.agent.utils.LttngSessionControl.Domain; |
| 21 | |
| 22 | public class JulEnabledEventsTest { |
| 23 | |
| 24 | private static final Domain DOMAIN = Domain.JUL; |
| 25 | |
| 26 | private static final String EVENT_NAME_A = "EventA"; |
| 27 | private static final String EVENT_NAME_B = "EventAB"; |
| 28 | private static final String EVENT_NAME_C = "EventABC"; |
| 29 | private static final String EVENT_NAME_D = "EventABCD"; |
| 30 | |
| 31 | private Logger loggerA; |
| 32 | private Logger loggerB; |
| 33 | private Logger loggerC; |
| 34 | private Logger loggerD; |
| 35 | |
| 36 | private Handler handlerA; |
| 37 | private Handler handlerB; |
| 38 | private Handler handlerC; |
| 39 | |
| 40 | @BeforeClass |
| 41 | public static void classSetup() { |
| 42 | /* Skip tests if we can't find the JNI library or lttng-tools */ |
| 43 | try { |
| 44 | LttngLogHandler testHandler = new LttngLogHandler(); |
| 45 | testHandler.close(); |
| 46 | } catch (SecurityException | IOException e) { |
| 47 | assumeTrue(false); |
| 48 | } |
| 49 | |
| 50 | boolean ret1 = LttngSessionControl.setupSession(null, DOMAIN); |
| 51 | boolean ret2 = LttngSessionControl.stopSession(); |
| 52 | boolean ret3 = LttngSessionControl.destroySession(); |
| 53 | assumeTrue(ret1 && ret2 && ret3); |
| 54 | } |
| 55 | |
| 56 | @Before |
| 57 | public void setup() throws SecurityException, IOException { |
| 58 | loggerA = Logger.getLogger(EVENT_NAME_A); |
| 59 | loggerB = Logger.getLogger(EVENT_NAME_B); |
| 60 | loggerC = Logger.getLogger(EVENT_NAME_C); |
| 61 | loggerD = Logger.getLogger(EVENT_NAME_D); |
| 62 | |
| 63 | loggerA.setLevel(Level.ALL); |
| 64 | loggerB.setLevel(Level.ALL); |
| 65 | loggerC.setLevel(Level.ALL); |
| 66 | loggerD.setLevel(Level.ALL); |
| 67 | |
| 68 | handlerA = new LttngLogHandler(); |
| 69 | handlerB = new LttngLogHandler(); |
| 70 | handlerC = new LttngLogHandler(); |
| 71 | |
| 72 | loggerA.addHandler(handlerA); |
| 73 | loggerB.addHandler(handlerB); |
| 74 | loggerC.addHandler(handlerB); |
| 75 | } |
| 76 | |
| 77 | @After |
| 78 | public void teardown() { |
| 79 | loggerA.removeHandler(handlerA); |
| 80 | loggerB.removeHandler(handlerB); |
| 81 | loggerC.removeHandler(handlerC); |
| 82 | |
| 83 | handlerA.close(); |
| 84 | handlerB.close(); |
| 85 | handlerC.close(); |
| 86 | |
| 87 | loggerA = null; |
| 88 | loggerB = null; |
| 89 | loggerC = null; |
| 90 | loggerD = null; |
| 91 | handlerA = null; |
| 92 | handlerB = null; |
| 93 | handlerC = null; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Test sending events on the Java side, but no events enabled in the |
| 98 | * tracing session. There should be nothing in the resulting trace. |
| 99 | */ |
| 100 | @Test |
| 101 | public void testNoEvents() { |
| 102 | assertTrue(LttngSessionControl.setupSession(null, DOMAIN)); |
| 103 | |
| 104 | send10Events(loggerA); |
| 105 | send10Events(loggerB); |
| 106 | send10Events(loggerC); |
| 107 | send10Events(loggerD); |
| 108 | |
| 109 | assertTrue(LttngSessionControl.stopSession()); |
| 110 | |
| 111 | List<String> output = LttngSessionControl.viewSession(); |
| 112 | assertNotNull(output); |
| 113 | assertTrue(output.isEmpty()); |
| 114 | |
| 115 | assertTrue(LttngSessionControl.destroySession()); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Test sending events on the Java side, and all events enabled in the |
| 120 | * tracing session. All handlers should have sent their events. |
| 121 | */ |
| 122 | @Test |
| 123 | public void testAllEvents() { |
| 124 | assertTrue(LttngSessionControl.setupSessionAllEvents(null, DOMAIN)); |
| 125 | |
| 126 | send10Events(loggerA); |
| 127 | send10Events(loggerB); |
| 128 | send10Events(loggerC); |
| 129 | send10Events(loggerD); |
| 130 | |
| 131 | assertTrue(LttngSessionControl.stopSession()); |
| 132 | |
| 133 | List<String> output = LttngSessionControl.viewSession(); |
| 134 | assertNotNull(output); |
| 135 | assertEquals(20, output.size()); // loggerC has no handler attached |
| 136 | |
| 137 | assertTrue(LttngSessionControl.destroySession()); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Test sending events on the Java side, with only some of them enabled in |
| 142 | * the tracing session. Only the subset that is enabled should be received. |
| 143 | */ |
| 144 | @Test |
| 145 | public void testSomeEvents() { |
| 146 | assertTrue(LttngSessionControl.setupSession(null, DOMAIN, |
| 147 | EVENT_NAME_A, EVENT_NAME_D)); |
| 148 | |
| 149 | send10Events(loggerA); |
| 150 | send10Events(loggerB); |
| 151 | send10Events(loggerC); |
| 152 | send10Events(loggerD); |
| 153 | |
| 154 | assertTrue(LttngSessionControl.stopSession()); |
| 155 | |
| 156 | List<String> output = LttngSessionControl.viewSession(); |
| 157 | assertNotNull(output); |
| 158 | assertEquals(10, output.size()); // loggerC has no handler attached |
| 159 | |
| 160 | assertTrue(LttngSessionControl.destroySession()); |
| 161 | } |
| 162 | |
| 163 | private static void send10Events(Logger logger) { |
| 164 | String a = new String("a"); |
| 165 | Object[] params = {a, new String("b"), new Object()}; |
| 166 | |
| 167 | // Levels are FINE, FINER, FINEST, INFO, SEVERE, WARNING |
| 168 | logger.fine("A fine level message"); |
| 169 | logger.finer("A finer level message"); |
| 170 | logger.finest("A finest level message"); |
| 171 | logger.info("A info level message"); |
| 172 | logger.severe("A severe level message"); |
| 173 | logger.warning("A warning level message"); |
| 174 | logger.warning("Another warning level message"); |
| 175 | logger.log(Level.WARNING, "A warning message using Logger.log()"); |
| 176 | logger.log(Level.INFO, "A message with one parameter", a); |
| 177 | logger.log(Level.INFO, "A message with parameters", params); |
| 178 | } |
| 179 | |
| 180 | } |