org.eclipse.linuxtools.lttng2.kernel.core.tests/src/org/eclipse/linuxtools/lttng2/kernel/core/tests/stateprovider/StateSystemFullHistoryTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 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  *   Alexandre Montplaisir - Initial API and implementation
  11  ******************************************************************************/
  12
  13 package org.eclipse.linuxtools.lttng2.kernel.core.tests.stateprovider;
  14
  15 import static org.junit.Assert.assertEquals;
  16 import static org.junit.Assert.assertNotNull;
  17 import static org.junit.Assume.assumeTrue;
  18
  19 import java.io.File;
  20 import java.io.IOException;
  21
  22 import org.eclipse.linuxtools.internal.lttng2.kernel.core.stateprovider.CtfKernelStateInput;
  23 import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
  24 import org.eclipse.linuxtools.tmf.core.statesystem.IStateChangeInput;
  25 import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
  26 import org.eclipse.linuxtools.tmf.core.statesystem.StateSystemManager;
  27 import org.eclipse.linuxtools.tmf.core.tests.shared.CtfTmfTestTraces;
  28 import org.junit.BeforeClass;
  29 import org.junit.Test;
  30
  31 /**
  32  * State system tests using a full history back-end and the LTTng kernel state
  33  * input.
  34  *
  35  * @author Alexandre Montplaisir
  36  */
  37 public class StateSystemFullHistoryTest extends StateSystemTest {
  38
  39     private static File stateFile;
  40     private static File stateFileBenchmark;
  41
  42     /**
  43      * Initialize the test cases (build the history file once for all tests).
  44      */
  45     @BeforeClass
  46     public static void initialize() {
  47         assumeTrue(CtfTmfTestTraces.tracesExist());
  48         try {
  49             stateFile = File.createTempFile("test", ".ht"); //$NON-NLS-1$ //$NON-NLS-2$
  50             stateFileBenchmark = File.createTempFile("test", ".ht.benchmark"); //$NON-NLS-1$ //$NON-NLS-2$
  51
  52             input = new CtfKernelStateInput(CtfTmfTestTraces.getTestTrace(TRACE_INDEX));
  53             ssq = StateSystemManager.loadStateHistory(stateFile, input, true);
  54         } catch (IOException e) {
  55             e.printStackTrace();
  56         } catch (TmfTraceException e) {
  57             e.printStackTrace();
  58         } finally {
  59             stateFile.deleteOnExit();
  60             stateFileBenchmark.deleteOnExit();
  61         }
  62     }
  63
  64     // ------------------------------------------------------------------------
  65     // Tests specific to a full-history
  66     // ------------------------------------------------------------------------
  67
  68     /**
  69      * Rebuild independently so we can benchmark it. Too bad JUnit doesn't allow
  70      * us to @Test the @BeforeClass...
  71      *
  72      * @throws TmfTraceException
  73      *             Fails the test
  74      */
  75     @Test
  76     public void testBuild() throws TmfTraceException {
  77         IStateChangeInput input2;
  78         ITmfStateSystem ssb2;
  79
  80         input2 = new CtfKernelStateInput(CtfTmfTestTraces.getTestTrace(TRACE_INDEX));
  81         ssb2 = StateSystemManager.loadStateHistory(stateFileBenchmark, input2, true);
  82
  83         assertEquals(startTime, ssb2.getStartTime());
  84         assertEquals(endTime, ssb2.getCurrentEndTime());
  85     }
  86
  87     /**
  88      * Test re-opening the existing file.
  89      *
  90      * @throws TmfTraceException
  91      *             Fails the test
  92      */
  93     @Test
  94     public void testOpenExistingStateFile() throws TmfTraceException {
  95         ITmfStateSystem ssb2;
  96
  97         /* 'newStateFile' should have already been created */
  98         ssb2 = StateSystemManager.loadStateHistory(stateFile, null, true);
  99
 100         assertNotNull(ssb2);
 101         assertEquals(startTime, ssb2.getStartTime());
 102         assertEquals(endTime, ssb2.getCurrentEndTime());
 103     }
 104
 105 }