analysis/org.eclipse.tracecompass.analysis.os.linux.core.tests/src/org/eclipse/tracecompass/analysis/os/linux/core/tests/kernelanalysis/KernelStateProviderTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2015 Ericsson
   3  * Copyright (c) 2010, 2011 École Polytechnique de Montréal
   4  * Copyright (c) 2010, 2011 Alexandre Montplaisir <alexandre.montplaisir@gmail.com>
   5  *
   6  * All rights reserved. This program and the accompanying materials are
   7  * made available under the terms of the Eclipse Public License v1.0 which
   8  * accompanies this distribution, and is available at
   9  * http://www.eclipse.org/legal/epl-v10.html
  10  *
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.analysis.os.linux.core.tests.kernelanalysis;
  14
  15 import static org.junit.Assert.assertEquals;
  16 import static org.junit.Assert.fail;
  17
  18 import org.eclipse.core.runtime.IPath;
  19 import org.eclipse.core.runtime.IStatus;
  20 import org.eclipse.jdt.annotation.NonNull;
  21 import org.eclipse.tracecompass.analysis.os.linux.core.tests.Activator;
  22 import org.eclipse.tracecompass.analysis.os.linux.core.tests.stubs.trace.TmfXmlKernelTraceStub;
  23 import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelTrace;
  24 import org.eclipse.tracecompass.internal.analysis.os.linux.core.kernel.KernelStateProvider;
  25 import org.eclipse.tracecompass.tmf.core.event.TmfEvent;
  26 import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
  27 import org.eclipse.tracecompass.tmf.core.statesystem.ITmfStateProvider;
  28 import org.junit.After;
  29 import org.junit.Before;
  30 import org.junit.Test;
  31
  32 /**
  33  * Tests for the {@link KernelStateProvider}
  34  *
  35  * @author Alexandre Montplaisir
  36  */
  37 public class KernelStateProviderTest {
  38
  39     private static final @NonNull String LTTNG_KERNEL_FILE = "testfiles/lttng_kernel_analysis.xml";
  40
  41     private IKernelTrace fTrace;
  42     private ITmfStateProvider fInput;
  43
  44     /**
  45      * Set-up.
  46      */
  47     @Before
  48     public void initialize() {
  49         IKernelTrace thetrace = new TmfXmlKernelTraceStub();
  50         IPath filePath = Activator.getAbsoluteFilePath(LTTNG_KERNEL_FILE);
  51         IStatus status = thetrace.validate(null, filePath.toOSString());
  52         if (!status.isOK()) {
  53             fail(status.getException().getMessage());
  54         }
  55         try {
  56             thetrace.initTrace(null, filePath.toOSString(), TmfEvent.class);
  57         } catch (TmfTraceException e) {
  58             fail(e.getMessage());
  59         }
  60
  61         fTrace = thetrace;
  62         fInput = new KernelStateProvider(thetrace, thetrace.getKernelEventLayout());
  63     }
  64
  65     /**
  66      * Class teardown
  67      */
  68     @After
  69     public void classTeardown() {
  70         if (fTrace != null) {
  71             fTrace.dispose();
  72         }
  73     }
  74
  75     /**
  76      * Test loading the state provider.
  77      */
  78     @Test
  79     public void testOpening() {
  80         long testStartTime;
  81         testStartTime = fInput.getStartTime();
  82         /* Expected start time of the trace */
  83         assertEquals(testStartTime, 1L);
  84     }
  85
  86 }