lttng/org.eclipse.tracecompass.lttng2.kernel.core.tests/src/org/eclipse/tracecompass/lttng2/kernel/core/tests/analysis/kernel/LttngKernelAnalysisTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014, 2015 École Polytechnique de Montréal
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Geneviève Bastien - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.lttng2.kernel.core.tests.analysis.kernel;
  14
  15 import static org.junit.Assert.assertFalse;
  16 import static org.junit.Assert.assertNotNull;
  17 import static org.junit.Assert.assertNull;
  18 import static org.junit.Assert.assertTrue;
  19 import static org.junit.Assert.fail;
  20
  21 import java.util.List;
  22
  23 import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule;
  24 import org.eclipse.tracecompass.lttng2.kernel.core.trace.LttngKernelTrace;
  25 import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem;
  26 import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
  27 import org.eclipse.tracecompass.tmf.core.exceptions.TmfAnalysisException;
  28 import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
  29 import org.eclipse.tracecompass.tmf.core.tests.shared.TmfTestHelper;
  30 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  31 import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
  32 import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTraceUtils;
  33 import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace;
  34 import org.junit.After;
  35 import org.junit.Before;
  36 import org.junit.Test;
  37
  38 /**
  39  * Test the {@link KernelAnalysisModule} class
  40  *
  41  * @author Geneviève Bastien
  42  */
  43 public class LttngKernelAnalysisTest {
  44
  45     private LttngKernelTrace fTrace;
  46     private KernelAnalysisModule fKernelAnalysisModule;
  47
  48     /**
  49      * Set-up the test
  50      */
  51     @Before
  52     public void setUp() {
  53         fKernelAnalysisModule = new KernelAnalysisModule();
  54         // Rework the utils to allow creating a sub-type directly.
  55         String path = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.KERNEL).getPath();
  56
  57         fTrace = new LttngKernelTrace();
  58         try {
  59             fTrace.initTrace(null, path, CtfTmfEvent.class);
  60         } catch (TmfTraceException e) {
  61             /* Should not happen if tracesExist() passed */
  62             throw new RuntimeException(e);
  63         }
  64     }
  65
  66     /**
  67      * Dispose test objects
  68      */
  69     @After
  70     public void tearDown() {
  71         fTrace.dispose();
  72         fKernelAnalysisModule.dispose();
  73         fTrace = null;
  74         fKernelAnalysisModule = null;
  75     }
  76
  77     /**
  78      * Test the LTTng kernel analysis execution
  79      */
  80     @Test
  81     public void testAnalysisExecution() {
  82         fKernelAnalysisModule.setId("test");
  83         ITmfTrace trace = fTrace;
  84         assertNotNull(trace);
  85         try {
  86             assertTrue(fKernelAnalysisModule.setTrace(trace));
  87         } catch (TmfAnalysisException e) {
  88             fail(e.getMessage());
  89         }
  90         // Assert the state system has not been initialized yet
  91         ITmfStateSystem ss = fKernelAnalysisModule.getStateSystem();
  92         assertNull(ss);
  93
  94         assertTrue(TmfTestHelper.executeAnalysis(fKernelAnalysisModule));
  95
  96         ss = fKernelAnalysisModule.getStateSystem();
  97         assertNotNull(ss);
  98
  99         List<Integer> quarks = ss.getQuarks("*");
 100         assertFalse(quarks.isEmpty());
 101     }
 102
 103     /**
 104      * Test the canExecute method on valid and invalid traces
 105      */
 106     @Test
 107     public void testCanExecute() {
 108         /* Test with a valid kernel trace */
 109         assertNotNull(fTrace);
 110         assertTrue(fKernelAnalysisModule.canExecute(fTrace));
 111
 112         /* Test with a CTF trace that does not have required events */
 113         CtfTmfTrace trace = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.CYG_PROFILE);
 114         /*
 115          * TODO: This should be false, but for now there is no mandatory events
 116          * in the kernel analysis so it will return true.
 117          */
 118         assertTrue(fKernelAnalysisModule.canExecute(trace));
 119         trace.dispose();
 120     }
 121
 122 }