| 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.Assert.fail; |
| 7 | import static org.junit.Assume.assumeTrue; |
| 8 | |
| 9 | import java.lang.reflect.Field; |
| 10 | import java.util.List; |
| 11 | import java.util.logging.Level; |
| 12 | import java.util.logging.Logger; |
| 13 | |
| 14 | import org.junit.After; |
| 15 | import org.junit.AfterClass; |
| 16 | import org.junit.Before; |
| 17 | import org.junit.BeforeClass; |
| 18 | import org.junit.Test; |
| 19 | import org.lttng.ust.agent.ILttngHandler; |
| 20 | import org.lttng.ust.agent.LTTngAgent; |
| 21 | import org.lttng.ust.agent.utils.LttngSession; |
| 22 | import org.lttng.ust.agent.utils.LttngSession.Domain; |
| 23 | import org.lttng.ust.agent.utils.MiscTestUtils; |
| 24 | |
| 25 | @SuppressWarnings("deprecation") |
| 26 | public class JulLegacyApiTest { |
| 27 | |
| 28 | private static final Domain DOMAIN = Domain.JUL; |
| 29 | |
| 30 | private static final String EVENT_NAME_A = "EventA"; |
| 31 | private static final String EVENT_NAME_B = "EventB"; |
| 32 | |
| 33 | private LttngSession session; |
| 34 | |
| 35 | private Logger loggerA; |
| 36 | private Logger loggerB; |
| 37 | |
| 38 | @BeforeClass |
| 39 | public static void julClassSetup() { |
| 40 | /* Skip tests if we can't find the JNI library or lttng-tools */ |
| 41 | assumeTrue(MiscTestUtils.checkForJulLibrary()); |
| 42 | assumeTrue(MiscTestUtils.checkForLttngTools(Domain.JUL)); |
| 43 | |
| 44 | LttngSession.destroyAllSessions(); |
| 45 | } |
| 46 | |
| 47 | @AfterClass |
| 48 | public static void julClassCleanup() { |
| 49 | LttngSession.deleteAllTracee(); |
| 50 | } |
| 51 | |
| 52 | @Before |
| 53 | public void setup() { |
| 54 | loggerA = Logger.getLogger(EVENT_NAME_A); |
| 55 | LTTngAgent.getLTTngAgent(); |
| 56 | loggerB = Logger.getLogger(EVENT_NAME_B); |
| 57 | |
| 58 | loggerA.setLevel(Level.ALL); |
| 59 | loggerB.setLevel(Level.ALL); |
| 60 | |
| 61 | session = new LttngSession(null, DOMAIN); |
| 62 | } |
| 63 | |
| 64 | @After |
| 65 | public void tearDown() { |
| 66 | session.close(); |
| 67 | |
| 68 | LTTngAgent.dispose(); |
| 69 | |
| 70 | loggerA = null; |
| 71 | loggerB = null; |
| 72 | } |
| 73 | |
| 74 | @Test |
| 75 | public void testNoEvents() { |
| 76 | assertTrue(session.start()); |
| 77 | |
| 78 | JulTestUtils.send10EventsTo(loggerA); |
| 79 | JulTestUtils.send10EventsTo(loggerB); |
| 80 | |
| 81 | assertTrue(session.stop()); |
| 82 | |
| 83 | List<String> output = session.view(); |
| 84 | assertNotNull(output); |
| 85 | assertTrue(output.isEmpty()); |
| 86 | |
| 87 | ILttngHandler handler = getAgentHandler(); |
| 88 | assertEquals(0, handler.getEventCount()); |
| 89 | } |
| 90 | |
| 91 | @Test |
| 92 | public void testAllEvents() { |
| 93 | assertTrue(session.enableAllEvents()); |
| 94 | assertTrue(session.start()); |
| 95 | |
| 96 | JulTestUtils.send10EventsTo(loggerA); |
| 97 | JulTestUtils.send10EventsTo(loggerB); |
| 98 | |
| 99 | assertTrue(session.stop()); |
| 100 | |
| 101 | List<String> output = session.view(); |
| 102 | assertNotNull(output); |
| 103 | assertEquals(20, output.size()); |
| 104 | |
| 105 | ILttngHandler handler = getAgentHandler(); |
| 106 | assertEquals(20, handler.getEventCount()); |
| 107 | } |
| 108 | |
| 109 | @Test |
| 110 | public void testSomeEvents() { |
| 111 | assertTrue(session.enableEvents(EVENT_NAME_A)); |
| 112 | assertTrue(session.start()); |
| 113 | |
| 114 | JulTestUtils.send10EventsTo(loggerA); |
| 115 | JulTestUtils.send10EventsTo(loggerB); |
| 116 | |
| 117 | assertTrue(session.stop()); |
| 118 | |
| 119 | List<String> output = session.view(); |
| 120 | assertNotNull(output); |
| 121 | assertEquals(10, output.size()); |
| 122 | |
| 123 | ILttngHandler handler = getAgentHandler(); |
| 124 | assertEquals(10, handler.getEventCount()); |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Get the singleton JUL Handler currently managed by the LTTngAgent. It is |
| 129 | * not public, so we need reflection to access it. |
| 130 | * |
| 131 | * @return The agent's JUL handler |
| 132 | */ |
| 133 | private static ILttngHandler getAgentHandler() { |
| 134 | try { |
| 135 | Field julHandlerField = LTTngAgent.class.getDeclaredField("julHandler"); |
| 136 | julHandlerField.setAccessible(true); |
| 137 | return (ILttngHandler) julHandlerField.get(LTTngAgent.getLTTngAgent()); |
| 138 | } catch (ReflectiveOperationException | SecurityException e) { |
| 139 | fail(); |
| 140 | return null; |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | } |
| 145 | |