| 1 | package org.lttng.ust.agent.integration.common; |
| 2 | |
| 3 | import static org.junit.Assert.assertEquals; |
| 4 | import static org.junit.Assert.assertNotNull; |
| 5 | import static org.junit.Assert.assertTrue; |
| 6 | |
| 7 | import java.util.List; |
| 8 | |
| 9 | import org.junit.After; |
| 10 | import org.junit.Before; |
| 11 | import org.junit.Test; |
| 12 | import org.lttng.ust.agent.ILttngHandler; |
| 13 | import org.lttng.ust.agent.utils.LttngSession; |
| 14 | import org.lttng.ust.agent.utils.LttngSession.Domain; |
| 15 | |
| 16 | /** |
| 17 | * Tests with multiple concurrent tracing sessions |
| 18 | */ |
| 19 | public abstract class MultiSessionTest { |
| 20 | |
| 21 | protected static final String EVENT_NAME_A = "EventA"; |
| 22 | protected static final String EVENT_NAME_B = "EventAB"; |
| 23 | protected static final String EVENT_NAME_C = "EventABC"; |
| 24 | protected static final String EVENT_NAME_D = "EventABCD"; |
| 25 | |
| 26 | private LttngSession session1; |
| 27 | private LttngSession session2; |
| 28 | private LttngSession session3; |
| 29 | |
| 30 | /* Fields defined by the sub-class */ |
| 31 | protected ILttngHandler handlerA; |
| 32 | protected ILttngHandler handlerB; |
| 33 | protected ILttngHandler handlerC; |
| 34 | protected ILttngHandler handlerD; |
| 35 | |
| 36 | protected abstract Domain getDomain(); |
| 37 | |
| 38 | protected abstract void sendEventsToLoggers(); |
| 39 | |
| 40 | @Before |
| 41 | public void testSetup() { |
| 42 | session1 = new LttngSession(null, getDomain()); |
| 43 | session2 = new LttngSession(null, getDomain()); |
| 44 | session3 = new LttngSession(null, getDomain()); |
| 45 | } |
| 46 | |
| 47 | @After |
| 48 | public void testTeardown() { |
| 49 | session1.close(); |
| 50 | session2.close(); |
| 51 | session3.close(); |
| 52 | |
| 53 | handlerA.close(); |
| 54 | handlerB.close(); |
| 55 | handlerC.close(); |
| 56 | handlerD.close(); |
| 57 | |
| 58 | handlerA = null; |
| 59 | handlerB = null; |
| 60 | handlerC = null; |
| 61 | handlerD = null; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Test with no events in any session. |
| 66 | */ |
| 67 | @Test |
| 68 | public void testNoEvents() { |
| 69 | assertTrue(session1.start()); |
| 70 | assertTrue(session2.start()); |
| 71 | assertTrue(session3.start()); |
| 72 | |
| 73 | sendEventsToLoggers(); |
| 74 | |
| 75 | assertTrue(session1.stop()); |
| 76 | assertTrue(session2.stop()); |
| 77 | assertTrue(session3.stop()); |
| 78 | |
| 79 | List<String> output1 = session1.view(); |
| 80 | List<String> output2 = session2.view(); |
| 81 | List<String> output3 = session3.view(); |
| 82 | assertNotNull(output1); |
| 83 | assertNotNull(output2); |
| 84 | assertNotNull(output3); |
| 85 | assertTrue(output1.isEmpty()); |
| 86 | assertTrue(output2.isEmpty()); |
| 87 | assertTrue(output3.isEmpty()); |
| 88 | |
| 89 | assertEquals(0, handlerA.getEventCount()); |
| 90 | assertEquals(0, handlerB.getEventCount()); |
| 91 | assertEquals(0, handlerC.getEventCount()); |
| 92 | assertEquals(0, handlerD.getEventCount()); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Test with all events enabled in one session only. Everything should be |
| 97 | * sent through JNI, but only that session should keep the trace events. |
| 98 | */ |
| 99 | @Test |
| 100 | public void testAllEventsOneSession() { |
| 101 | assertTrue(session1.enableAllEvents()); |
| 102 | assertTrue(session1.start()); |
| 103 | assertTrue(session2.start()); |
| 104 | assertTrue(session3.start()); |
| 105 | |
| 106 | sendEventsToLoggers(); |
| 107 | |
| 108 | assertTrue(session1.stop()); |
| 109 | assertTrue(session2.stop()); |
| 110 | assertTrue(session3.stop()); |
| 111 | |
| 112 | List<String> output1 = session1.view(); |
| 113 | List<String> output2 = session2.view(); |
| 114 | List<String> output3 = session3.view(); |
| 115 | assertNotNull(output1); |
| 116 | assertNotNull(output2); |
| 117 | assertNotNull(output3); |
| 118 | assertEquals(40, output1.size()); |
| 119 | assertTrue(output2.isEmpty()); |
| 120 | assertTrue(output3.isEmpty()); |
| 121 | |
| 122 | assertEquals(10, handlerA.getEventCount()); |
| 123 | assertEquals(10, handlerB.getEventCount()); |
| 124 | assertEquals(10, handlerC.getEventCount()); |
| 125 | assertEquals(10, handlerD.getEventCount()); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Test with all events enabled in all sessions. All traces and handlers |
| 130 | * should see every event that was logged. |
| 131 | */ |
| 132 | @Test |
| 133 | public void testAllEventsAllSessions() { |
| 134 | assertTrue(session1.enableAllEvents()); |
| 135 | assertTrue(session2.enableAllEvents()); |
| 136 | assertTrue(session3.enableAllEvents()); |
| 137 | assertTrue(session1.start()); |
| 138 | assertTrue(session2.start()); |
| 139 | assertTrue(session3.start()); |
| 140 | |
| 141 | sendEventsToLoggers(); |
| 142 | |
| 143 | assertTrue(session1.stop()); |
| 144 | assertTrue(session2.stop()); |
| 145 | assertTrue(session3.stop()); |
| 146 | |
| 147 | List<String> output1 = session1.view(); |
| 148 | List<String> output2 = session2.view(); |
| 149 | List<String> output3 = session3.view(); |
| 150 | assertNotNull(output1); |
| 151 | assertNotNull(output2); |
| 152 | assertNotNull(output3); |
| 153 | assertEquals(40, output1.size()); |
| 154 | assertEquals(40, output2.size()); |
| 155 | assertEquals(40, output3.size()); |
| 156 | |
| 157 | assertEquals(10, handlerA.getEventCount()); |
| 158 | assertEquals(10, handlerB.getEventCount()); |
| 159 | assertEquals(10, handlerC.getEventCount()); |
| 160 | assertEquals(10, handlerD.getEventCount()); |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Test enabling some events in some sessions only. |
| 165 | */ |
| 166 | @Test |
| 167 | public void testSomeEvents() { |
| 168 | assertTrue(session1.enableEvents(EVENT_NAME_A)); |
| 169 | assertTrue(session2.enableEvents(EVENT_NAME_B)); |
| 170 | assertTrue(session1.start()); |
| 171 | assertTrue(session2.start()); |
| 172 | assertTrue(session3.start()); |
| 173 | |
| 174 | sendEventsToLoggers(); |
| 175 | |
| 176 | assertTrue(session1.stop()); |
| 177 | assertTrue(session2.stop()); |
| 178 | assertTrue(session3.stop()); |
| 179 | |
| 180 | List<String> output1 = session1.view(); |
| 181 | List<String> output2 = session2.view(); |
| 182 | List<String> output3 = session3.view(); |
| 183 | assertNotNull(output1); |
| 184 | assertNotNull(output2); |
| 185 | assertNotNull(output3); |
| 186 | assertEquals(10, output1.size()); |
| 187 | assertEquals(10, output2.size()); |
| 188 | assertEquals(0, output3.size()); |
| 189 | |
| 190 | assertEquals(10, handlerA.getEventCount()); |
| 191 | assertEquals(10, handlerB.getEventCount()); |
| 192 | assertEquals(0, handlerC.getEventCount()); |
| 193 | assertEquals(0, handlerD.getEventCount()); |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Test with all events enabled in one session, and some others in another. |
| 198 | * All events should arrive where expected, with no duplicates. |
| 199 | */ |
| 200 | @Test |
| 201 | public void testAllEventsAndSome() { |
| 202 | assertTrue(session1.enableAllEvents()); |
| 203 | assertTrue(session2.enableEvents(EVENT_NAME_D)); |
| 204 | assertTrue(session1.start()); |
| 205 | assertTrue(session2.start()); |
| 206 | assertTrue(session3.start()); |
| 207 | |
| 208 | sendEventsToLoggers(); |
| 209 | |
| 210 | assertTrue(session1.stop()); |
| 211 | assertTrue(session2.stop()); |
| 212 | assertTrue(session3.stop()); |
| 213 | |
| 214 | List<String> output1 = session1.view(); |
| 215 | List<String> output2 = session2.view(); |
| 216 | List<String> output3 = session3.view(); |
| 217 | assertNotNull(output1); |
| 218 | assertNotNull(output2); |
| 219 | assertNotNull(output3); |
| 220 | assertEquals(40, output1.size()); |
| 221 | assertEquals(10, output2.size()); |
| 222 | assertEquals(0, output3.size()); |
| 223 | |
| 224 | assertEquals(10, handlerA.getEventCount()); |
| 225 | assertEquals(10, handlerB.getEventCount()); |
| 226 | assertEquals(10, handlerC.getEventCount()); |
| 227 | assertEquals(10, handlerD.getEventCount()); |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Test with enabling then disabling some events. Makes sure the refcounting |
| 232 | * works properly. |
| 233 | */ |
| 234 | @Test |
| 235 | public void testSomeEventsAfterDisabling() { |
| 236 | assertTrue(session1.enableEvents(EVENT_NAME_A, EVENT_NAME_B, EVENT_NAME_C)); |
| 237 | assertTrue(session2.enableEvents(EVENT_NAME_B, EVENT_NAME_C, EVENT_NAME_D)); |
| 238 | assertTrue(session3.enableEvents(EVENT_NAME_A)); |
| 239 | |
| 240 | assertTrue(session1.disableEvents(EVENT_NAME_C)); |
| 241 | assertTrue(session2.disableEvents(EVENT_NAME_B, EVENT_NAME_C)); |
| 242 | assertTrue(session3.disableEvents(EVENT_NAME_A)); |
| 243 | |
| 244 | assertTrue(session1.start()); |
| 245 | assertTrue(session2.start()); |
| 246 | assertTrue(session3.start()); |
| 247 | |
| 248 | sendEventsToLoggers(); |
| 249 | |
| 250 | assertTrue(session1.stop()); |
| 251 | assertTrue(session2.stop()); |
| 252 | assertTrue(session3.stop()); |
| 253 | |
| 254 | List<String> output1 = session1.view(); |
| 255 | List<String> output2 = session2.view(); |
| 256 | List<String> output3 = session3.view(); |
| 257 | assertNotNull(output1); |
| 258 | assertNotNull(output2); |
| 259 | assertNotNull(output3); |
| 260 | assertEquals(20, output1.size()); |
| 261 | assertEquals(10, output2.size()); |
| 262 | assertEquals(0, output3.size()); |
| 263 | |
| 264 | assertEquals(10, handlerA.getEventCount()); |
| 265 | assertEquals(10, handlerB.getEventCount()); |
| 266 | assertEquals(0, handlerC.getEventCount()); |
| 267 | assertEquals(10, handlerD.getEventCount()); |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Test with a prefix in one session and a standard event in another. |
| 272 | */ |
| 273 | @Test |
| 274 | public void testPrefixAndEvent() { |
| 275 | assertTrue(session1.enableEvents("EventAB*")); |
| 276 | assertTrue(session3.enableEvents(EVENT_NAME_A)); |
| 277 | assertTrue(session1.start()); |
| 278 | assertTrue(session2.start()); |
| 279 | assertTrue(session3.start()); |
| 280 | |
| 281 | sendEventsToLoggers(); |
| 282 | |
| 283 | assertTrue(session1.stop()); |
| 284 | assertTrue(session2.stop()); |
| 285 | assertTrue(session3.stop()); |
| 286 | |
| 287 | List<String> output1 = session1.view(); |
| 288 | List<String> output2 = session2.view(); |
| 289 | List<String> output3 = session3.view(); |
| 290 | assertNotNull(output1); |
| 291 | assertNotNull(output2); |
| 292 | assertNotNull(output3); |
| 293 | assertEquals(30, output1.size()); |
| 294 | assertEquals(0, output2.size()); |
| 295 | assertEquals(10, output3.size()); |
| 296 | |
| 297 | assertEquals(10, handlerA.getEventCount()); |
| 298 | assertEquals(10, handlerB.getEventCount()); |
| 299 | assertEquals(10, handlerC.getEventCount()); |
| 300 | assertEquals(10, handlerD.getEventCount()); |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * Test with all events enabled in one session, and an event prefix in |
| 305 | * another. Once again, there should be no duplicates. |
| 306 | */ |
| 307 | @Test |
| 308 | public void testAllEventsAndPrefix() { |
| 309 | assertTrue(session1.enableAllEvents()); |
| 310 | assertTrue(session2.enableEvents("EventABC*")); |
| 311 | assertTrue(session1.start()); |
| 312 | assertTrue(session2.start()); |
| 313 | assertTrue(session3.start()); |
| 314 | |
| 315 | sendEventsToLoggers(); |
| 316 | |
| 317 | assertTrue(session1.stop()); |
| 318 | assertTrue(session2.stop()); |
| 319 | assertTrue(session3.stop()); |
| 320 | |
| 321 | List<String> output1 = session1.view(); |
| 322 | List<String> output2 = session2.view(); |
| 323 | List<String> output3 = session3.view(); |
| 324 | assertNotNull(output1); |
| 325 | assertNotNull(output2); |
| 326 | assertNotNull(output3); |
| 327 | assertEquals(40, output1.size()); |
| 328 | assertEquals(20, output2.size()); |
| 329 | assertEquals(0, output3.size()); |
| 330 | |
| 331 | assertEquals(10, handlerA.getEventCount()); |
| 332 | assertEquals(10, handlerB.getEventCount()); |
| 333 | assertEquals(10, handlerC.getEventCount()); |
| 334 | assertEquals(10, handlerD.getEventCount()); |
| 335 | } |
| 336 | } |