| /******************************************************************************* |
| * Copyright (c) 2012, 2017 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Bernd Hufmann - Initial API and implementation |
| * Alexandre Montplaisir - Port to JUnit4 |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.core.tests.trace.indexer.checkpoint; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
| import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException; |
| import org.eclipse.tracecompass.tmf.core.tests.shared.TmfTestTrace; |
| import org.eclipse.tracecompass.tmf.core.tests.trace.indexer.checkpoint.AbstractIndexTest.ITestIndexer; |
| import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; |
| import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp; |
| import org.eclipse.tracecompass.tmf.core.trace.ITmfContext; |
| import org.eclipse.tracecompass.tmf.core.trace.indexer.ITmfTraceIndexer; |
| import org.eclipse.tracecompass.tmf.core.trace.indexer.checkpoint.ITmfCheckpointIndex; |
| import org.eclipse.tracecompass.tmf.core.trace.indexer.checkpoint.TmfCheckpointIndexer; |
| import org.eclipse.tracecompass.tmf.tests.stubs.trace.TmfEmptyTraceStub; |
| import org.eclipse.tracecompass.tmf.tests.stubs.trace.TmfTraceStub; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Test suite for the TmfCheckpointIndexer class (events with same |
| * timestamp around checkpoint). |
| */ |
| @SuppressWarnings("javadoc") |
| public class TmfCheckpointIndexTest2 { |
| |
| // ------------------------------------------------------------------------ |
| // Variables |
| // ------------------------------------------------------------------------ |
| |
| private static final int BLOCK_SIZE = 100; |
| private static final int NB_EVENTS = 702; |
| private static TestTrace fTrace = null; |
| private static EmptyTestTrace fEmptyTrace = null; |
| |
| // ------------------------------------------------------------------------ |
| // Housekeeping |
| // ------------------------------------------------------------------------ |
| |
| @Before |
| public void setUp() { |
| // Trace has 3 events at t=101 at rank 99, 100, 101 |
| // Trace has events with same timestamp (ts=102) for ranks 102..702 -> 2 checkpoints with same timestamp are created |
| setupTrace(TmfTestTrace.A_TEST_10K2.getFullPath()); |
| } |
| |
| @After |
| public void tearDown() { |
| fTrace.dispose(); |
| fTrace = null; |
| fEmptyTrace.dispose(); |
| fEmptyTrace = null; |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Helper classes |
| // ------------------------------------------------------------------------ |
| |
| private static class TestIndexer extends TmfCheckpointIndexer implements ITestIndexer { |
| public TestIndexer(TestTrace testTrace) { |
| super(testTrace, BLOCK_SIZE); |
| } |
| |
| public TestIndexer(EmptyTestTrace testTrace) { |
| super(testTrace, BLOCK_SIZE); |
| } |
| |
| @Override |
| public ITmfCheckpointIndex getCheckpoints() { |
| return getTraceIndex(); |
| } |
| } |
| |
| private class TestTrace extends TmfTraceStub { |
| public TestTrace(String path, int blockSize) throws TmfTraceException { |
| super(path, blockSize, false, null); |
| } |
| |
| @Override |
| protected ITmfTraceIndexer createIndexer(int interval) { |
| return new TestIndexer(this); |
| } |
| |
| @Override |
| public ITestIndexer getIndexer() { |
| return (ITestIndexer) super.getIndexer(); |
| } |
| } |
| |
| private class EmptyTestTrace extends TmfEmptyTraceStub { |
| |
| public EmptyTestTrace(String path) throws TmfTraceException { |
| super(path); |
| } |
| |
| @Override |
| protected ITmfTraceIndexer createIndexer(int interval) { |
| return new TestIndexer(this); |
| } |
| |
| @Override |
| public ITestIndexer getIndexer() { |
| return (ITestIndexer) super.getIndexer(); |
| } |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Helper functions |
| // ------------------------------------------------------------------------ |
| |
| private synchronized void setupTrace(final String path) { |
| if (fTrace == null) { |
| try { |
| fTrace = new TestTrace(path, BLOCK_SIZE); |
| fTrace.indexTrace(true); |
| } catch (final TmfTraceException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| if (fEmptyTrace == null) { |
| try { |
| File file = File.createTempFile("empty", "txt"); |
| fEmptyTrace = new EmptyTestTrace(file.getAbsolutePath()); |
| } catch (TmfTraceException | IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Verify checkpoints |
| // ------------------------------------------------------------------------ |
| |
| @Test |
| public void testTmfTraceMultiTimestamps() { |
| assertEquals("getCacheSize", BLOCK_SIZE, fTrace.getCacheSize()); |
| assertEquals("getTraceSize", NB_EVENTS, fTrace.getNbEvents()); |
| assertEquals("getRange-start", 1, fTrace.getTimeRange().getStartTime().getValue()); |
| assertEquals("getRange-end", 102, fTrace.getTimeRange().getEndTime().getValue()); |
| assertEquals("getStartTime", 1, fTrace.getStartTime().getValue()); |
| assertEquals("getEndTime", 102, fTrace.getEndTime().getValue()); |
| |
| ITmfCheckpointIndex checkpoints = fTrace.getIndexer().getCheckpoints(); |
| assertTrue("Checkpoints exist", checkpoints != null); |
| assertEquals("Checkpoints size", NB_EVENTS / BLOCK_SIZE + 1, checkpoints.size()); |
| |
| // Trace has 3 events with same timestamp (ts=101) at rank 99, 100, 101 |
| |
| // Verify that the event at rank=99 is returned when seeking to ts=101 (first event with this timestamp) |
| // and not the event at checkpoint boundary |
| ITmfTimestamp seekTs = TmfTimestamp.create(101, -3); |
| ITmfContext ctx = fTrace.seekEvent(seekTs); |
| ITmfEvent event = fTrace.getNext(ctx); |
| |
| assertEquals(99, ctx.getRank()); |
| assertEquals(0, seekTs.compareTo(event.getTimestamp())); |
| |
| event = fTrace.getNext(ctx); |
| |
| assertEquals(100, ctx.getRank()); |
| assertEquals(0, seekTs.compareTo(event.getTimestamp())); |
| |
| event = fTrace.getNext(ctx); |
| |
| assertEquals(101, ctx.getRank()); |
| assertEquals(0, seekTs.compareTo(event.getTimestamp())); |
| |
| // Trace has events with same timestamp (ts=102) for ranks 102..702 -> 2 checkpoints with same timestamp are created |
| // Verify that the event at rank=102 is returned when seeking to ts=102 (first event with this timestamp) |
| // and not the event at checkpoint boundary |
| seekTs = TmfTimestamp.create(102, -3); |
| ctx = fTrace.seekEvent(seekTs); |
| event = fTrace.getNext(ctx); |
| |
| assertEquals(102, ctx.getRank()); |
| assertEquals(0, seekTs.compareTo(event.getTimestamp())); |
| |
| // Verify seek to first checkpoint |
| seekTs = TmfTimestamp.create(1, -3); |
| ctx = fTrace.seekEvent(seekTs); |
| event = fTrace.getNext(ctx); |
| |
| assertEquals(1, ctx.getRank()); |
| assertEquals(0, seekTs.compareTo(event.getTimestamp())); |
| |
| // Verify seek to timestamp before first event |
| seekTs = TmfTimestamp.create(0, -3); |
| ctx = fTrace.seekEvent(seekTs); |
| event = fTrace.getNext(ctx); |
| |
| assertEquals(1, ctx.getRank()); |
| assertEquals(0, TmfTimestamp.create(1, -3).compareTo(event.getTimestamp())); |
| |
| // Verify seek to timestamp between first and second checkpoint |
| seekTs = TmfTimestamp.create(50, -3); |
| ctx = fTrace.seekEvent(seekTs); |
| event = fTrace.getNext(ctx); |
| |
| assertEquals(50, ctx.getRank()); |
| assertEquals(0, seekTs.compareTo(event.getTimestamp())); |
| |
| // Verify seek to timestamp after last event in trace |
| seekTs = TmfTimestamp.create(103, -3); |
| ctx = fTrace.seekEvent(seekTs); |
| event = fTrace.getNext(ctx); |
| |
| assertEquals(-1, ctx.getRank()); |
| assertNull(event); |
| } |
| } |