org.eclipse.linuxtools.lttng.core.tests/src/org/eclipse/linuxtools/lttng/core/tests/trace/LTTngExperimentTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 Ericsson
   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  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.lttng.core.tests.trace;
  14
  15 import java.io.File;
  16 import java.io.IOException;
  17 import java.net.URISyntaxException;
  18 import java.net.URL;
  19
  20 import junit.framework.TestCase;
  21
  22 import org.eclipse.core.runtime.FileLocator;
  23 import org.eclipse.core.runtime.Path;
  24 import org.eclipse.linuxtools.internal.lttng.core.event.LttngEvent;
  25 import org.eclipse.linuxtools.internal.lttng.core.event.LttngTimestamp;
  26 import org.eclipse.linuxtools.internal.lttng.core.trace.LTTngTrace;
  27 import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange;
  28 import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
  29 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  30 import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
  31 import org.osgi.framework.FrameworkUtil;
  32
  33 /**
  34  * <b><u>TmfExperimentTest</u></b>
  35  * <p>
  36  * TODO: Implement me. Please.
  37  */
  38 @SuppressWarnings("nls")
  39 public class LTTngExperimentTest extends TestCase {
  40
  41     private static final String DIRECTORY   = "traceset";
  42     private static final String TEST_STREAM = "trace-15316events_nolost_newformat";
  43     private static final String EXPERIMENT  = "MyExperiment";
  44     private static int          NB_EVENTS   = 15316;
  45
  46     // Note: Start/end times are for the LTTng *trace*, not the actual events
  47     private static final TmfTimestamp  fStartTime = new LttngTimestamp(13589759412128L);
  48     private static final TmfTimestamp  fEndTime   = new LttngTimestamp(13589906758692L);
  49
  50     private static ITmfTrace[] fTestTraces;
  51     private static TestExperiment fExperiment;
  52
  53     // ------------------------------------------------------------------------
  54     // Helper class
  55     // ------------------------------------------------------------------------
  56
  57     private static class TestExperiment extends TmfExperiment {
  58         public TestExperiment() {
  59             super(LttngEvent.class, EXPERIMENT, fTestTraces, 1000);
  60             getIndexer().buildIndex(0, TmfTimeRange.ETERNITY, true);
  61         }
  62     }
  63
  64     // ------------------------------------------------------------------------
  65     // Housekeeping
  66     // ------------------------------------------------------------------------
  67
  68     private synchronized static ITmfTrace[] setupTrace(final String path) {
  69         if (fTestTraces == null) {
  70             fTestTraces = new ITmfTrace[1];
  71             try {
  72                 final URL location = FileLocator.find(FrameworkUtil.getBundle(LTTngExperimentTest.class), new Path(path), null);
  73                 final File testfile = new File(FileLocator.toFileURL(location).toURI());
  74                 final LTTngTrace trace = new LTTngTrace(null, testfile.getPath(), false);
  75                 fTestTraces[0] = trace;
  76             } catch (final URISyntaxException e) {
  77                 e.printStackTrace();
  78             } catch (final IOException e) {
  79                 e.printStackTrace();
  80             } catch (final Exception e) {
  81                 e.printStackTrace();
  82             }
  83         }
  84         return fTestTraces;
  85     }
  86
  87     private synchronized static void setupExperiment() {
  88         if (fExperiment == null) {
  89             fExperiment = new TestExperiment();
  90         }
  91     }
  92
  93     public LTTngExperimentTest(final String name) throws Exception {
  94         super(name);
  95     }
  96
  97     @Override
  98     protected void setUp() throws Exception {
  99         super.setUp();
 100         setupTrace(DIRECTORY + File.separator + TEST_STREAM);
 101         setupExperiment();
 102     }
 103
 104     @Override
 105     protected void tearDown() throws Exception {
 106         super.tearDown();
 107     }
 108
 109     // ------------------------------------------------------------------------
 110     // Constructor
 111     // ------------------------------------------------------------------------
 112
 113     public void testBasicTmfExperimentConstructor() {
 114
 115         assertEquals("GetId", EXPERIMENT, fExperiment.getName());
 116         assertEquals("GetNbEvents", NB_EVENTS, fExperiment.getNbEvents());
 117
 118         final long nbTraceEvents = fExperiment.getTraces()[0].getNbEvents();
 119         assertEquals("GetNbEvents", NB_EVENTS, nbTraceEvents);
 120
 121         final TmfTimeRange timeRange = fExperiment.getTimeRange();
 122         assertEquals("getStartTime", fStartTime, timeRange.getStartTime());
 123         assertEquals("getEndTime", fEndTime, timeRange.getEndTime());
 124     }
 125
 126 }