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/*******************************************************************************
* Copyright (c) 2009, 2013 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Francois Chouinard - Initial API and implementation
* Francois Chouinard - Adapted for TMF Trace Model 1.0
* Alexandre Montplaisir - Port to JUnit4
*******************************************************************************/
package org.eclipse.linuxtools.tmf.core.tests.trace.indexer.checkpoint;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.List;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
import org.eclipse.linuxtools.tmf.core.tests.TmfCoreTestPlugin;
import org.eclipse.linuxtools.tmf.core.tests.shared.TmfTestTrace;
import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp;
import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
import org.eclipse.linuxtools.tmf.core.trace.TmfContext;
import org.eclipse.linuxtools.tmf.core.trace.indexer.checkpoint.TmfCheckpointIndexer;
import org.eclipse.linuxtools.tmf.core.trace.indexer.checkpoint.ITmfCheckpoint;
import org.eclipse.linuxtools.tmf.tests.stubs.trace.TmfEmptyTraceStub;
import org.eclipse.linuxtools.tmf.tests.stubs.trace.TmfTraceStub;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Test suite for the TmfCheckpointIndexTest class.
*/
@SuppressWarnings("javadoc")
public class TmfCheckpointIndexTest {
// ------------------------------------------------------------------------
// Variables
// ------------------------------------------------------------------------
private static final int BLOCK_SIZE = 100;
private static final int NB_EVENTS = 10000;
private static TestTrace fTrace = null;
private static EmptyTestTrace fEmptyTrace = null;
// ------------------------------------------------------------------------
// Housekeeping
// ------------------------------------------------------------------------
@Before
public void setUp() {
setupTrace(TmfTestTrace.A_TEST_10K.getFullPath());
}
@After
public void tearDown() {
fTrace.dispose();
fTrace = null;
fEmptyTrace.dispose();
fEmptyTrace = null;
}
// ------------------------------------------------------------------------
// Helper classes
// ------------------------------------------------------------------------
private static class TestIndexer extends TmfCheckpointIndexer {
@SuppressWarnings({ })
public TestIndexer(TestTrace testTrace) {
super(testTrace, BLOCK_SIZE);
}
@SuppressWarnings({ })
public TestIndexer(EmptyTestTrace testTrace) {
super(testTrace, BLOCK_SIZE);
}
public List<ITmfCheckpoint> getCheckpoints() {
return getTraceIndex();
}
}
private class TestTrace extends TmfTraceStub {
public TestTrace(String path, int blockSize) throws TmfTraceException {
super(path, blockSize, false, null, null);
setIndexer(new TestIndexer(this));
}
@Override
public TestIndexer getIndexer() {
return (TestIndexer) super.getIndexer();
}
}
private class EmptyTestTrace extends TmfEmptyTraceStub {
public EmptyTestTrace() {
super();
setIndexer(new TestIndexer(this));
}
@Override
public TestIndexer getIndexer() {
return (TestIndexer) super.getIndexer();
}
}
// ------------------------------------------------------------------------
// Helper functions
// ------------------------------------------------------------------------
private synchronized void setupTrace(final String path) {
if (fTrace == null) {
try {
final URL location = FileLocator.find(TmfCoreTestPlugin.getDefault().getBundle(), new Path(path), null);
final File test = new File(FileLocator.toFileURL(location).toURI());
fTrace = new TestTrace(test.toURI().getPath(), BLOCK_SIZE);
fTrace.indexTrace(true);
} catch (final TmfTraceException e) {
e.printStackTrace();
} catch (final URISyntaxException e) {
e.printStackTrace();
} catch (final IOException e) {
e.printStackTrace();
}
}
if (fEmptyTrace == null) {
fEmptyTrace = new EmptyTestTrace();
fEmptyTrace.indexTrace(true);
}
}
// ------------------------------------------------------------------------
// Verify checkpoints
// ------------------------------------------------------------------------
@Test
public void testTmfTraceIndexing() {
assertEquals("getCacheSize", BLOCK_SIZE, fTrace.getCacheSize());
assertEquals("getTraceSize", NB_EVENTS, fTrace.getNbEvents());
assertEquals("getRange-start", 1, fTrace.getTimeRange().getStartTime().getValue());
assertEquals("getRange-end", NB_EVENTS, fTrace.getTimeRange().getEndTime().getValue());
assertEquals("getStartTime", 1, fTrace.getStartTime().getValue());
assertEquals("getEndTime", NB_EVENTS, fTrace.getEndTime().getValue());
List<ITmfCheckpoint> checkpoints = fTrace.getIndexer().getCheckpoints();
int pageSize = fTrace.getCacheSize();
assertTrue("Checkpoints exist", checkpoints != null);
assertEquals("Checkpoints size", NB_EVENTS / BLOCK_SIZE, checkpoints.size());
// Validate that each checkpoint points to the right event
for (int i = 0; i < checkpoints.size(); i++) {
ITmfCheckpoint checkpoint = checkpoints.get(i);
TmfContext context = new TmfContext(checkpoint.getLocation(), i * pageSize);
ITmfEvent event = fTrace.parseEvent(context);
assertTrue(context.getRank() == i * pageSize);
assertTrue((checkpoint.getTimestamp().compareTo(event.getTimestamp(), false) == 0));
}
}
@Test
public void testEmptyTmfTraceIndexing() {
assertEquals("getCacheSize", ITmfTrace.DEFAULT_TRACE_CACHE_SIZE, fEmptyTrace.getCacheSize());
assertEquals("getTraceSize", 0, fEmptyTrace.getNbEvents());
assertEquals("getRange-start", TmfTimestamp.BIG_BANG, fEmptyTrace.getTimeRange().getStartTime());
assertEquals("getRange-end", TmfTimestamp.BIG_BANG, fEmptyTrace.getTimeRange().getEndTime());
assertEquals("getStartTime", TmfTimestamp.BIG_BANG, fEmptyTrace.getStartTime());
assertEquals("getEndTime", TmfTimestamp.BIG_BANG, fEmptyTrace.getEndTime());
List<ITmfCheckpoint> checkpoints = fEmptyTrace.getIndexer().getCheckpoints();
int pageSize = fEmptyTrace.getCacheSize();
assertTrue("Checkpoints exist", checkpoints != null);
assertEquals("Checkpoints size", 0, checkpoints.size());
// Validate that each checkpoint points to the right event
for (int i = 0; i < checkpoints.size(); i++) {
ITmfCheckpoint checkpoint = checkpoints.get(i);
TmfContext context = new TmfContext(checkpoint.getLocation(), i * pageSize);
ITmfEvent event = fEmptyTrace.parseEvent(context);
assertTrue(context.getRank() == i * pageSize);
assertTrue((checkpoint.getTimestamp().compareTo(event.getTimestamp(), false) == 0));
}
}
}
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