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package org.eclipse.linuxtools.lttng.core.tests.trace;
import java.io.File;
import java.net.URL;
import junit.framework.TestCase;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.linuxtools.internal.lttng.core.trace.LTTngTextTrace;
import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
import org.eclipse.linuxtools.tmf.core.trace.ITmfContext;
import org.eclipse.linuxtools.tmf.core.trace.TmfContext;
import org.eclipse.linuxtools.tmf.core.trace.TmfLocation;
import org.osgi.framework.FrameworkUtil;
/*
Functions tested here :
public LTTngTextTrace(String path) throws Exception
public LTTngTextTrace(String path, boolean skipIndexing) throws Exception
public TmfTraceContext seekLocation(Object location) {
public TmfTraceContext seekEvent(TmfTimestamp timestamp) {
public TmfTraceContext seekEvent(long position) {
public TmfEvent getNextEvent(TmfTraceContext context) {
public Object getCurrentLocation() {
public LttngEvent parseEvent(TmfTraceContext context) {
public int getCpuNumber() {
*/
@SuppressWarnings("nls")
public class LTTngTextTraceTest extends TestCase {
private final static String tracepath1 = "traceset/trace-15316events_nolost_newformat.txt";
private final static String wrongTracePath = "/somewhere/that/does/not/exist";
private final static int traceCpuNumber = 1;
private final static boolean skipIndexing = true;
private final static long firstEventTimestamp = 13589759412128L;
private final static long secondEventTimestamp = 13589759419903L;
private final static Long locationAfterFirstEvent = 311L;
private final static String tracename = "traceset/trace-15316events_nolost_newformat";
private final static long indexToSeekFirst = 0;
private final static Long locationToSeekFirst = 0L;
private final static long contextValueAfterFirstEvent = 13589759412128L;
private final static String firstEventReference = tracename + "/metadata_0";
private final static long timestampToSeekTest1 = 13589826657302L;
private final static Long indexToSeekTest1 = 7497L;
private final static long locationToSeekTest1 = 2177044;
private final static long contextValueAfterSeekTest1 = 13589826657302L;
private final static String seek1EventReference = tracename + "/vm_state_0";
private final static long timestampToSeekLast = 13589906758692L;
private final static Long indexToSeekLast = 15315L;
private final static long locationToSeekLast = 4420634;
private final static long contextValueAfterSeekLast = 13589906758692L;
private final static String seekLastEventReference = tracename + "/kernel_0";
private static LTTngTextTrace testStream = null;
private synchronized LTTngTextTrace prepareStreamToTest() {
if (testStream == null) {
try {
URL location = FileLocator.find(FrameworkUtil.getBundle(this.getClass()), new Path(tracepath1), null);
File testfile = new File(FileLocator.toFileURL(location).toURI());
LTTngTextTrace tmpStream = new LTTngTextTrace(testfile.getName(), testfile.getPath());
testStream = tmpStream;
} catch (Exception e) {
System.out.println("ERROR : Could not open " + tracepath1);
testStream = null;
}
} else {
testStream.seekEvent(0);
}
return testStream;
}
public void testTraceConstructorFailure() {
// Default constructor
// Test constructor with argument on a wrong tracepath, skipping
// indexing
try {
LTTngTextTrace testStream = new LTTngTextTrace("wrong", wrongTracePath, skipIndexing);
fail("Construction with wrong tracepath should fail!");
testStream.dispose();
} catch (Exception e) {
}
}
/*
public void testTraceConstructor() {
// Test constructor with argument on a correct tracepath, skipping
// indexing
try {
URL location = FileLocator.find(LTTngCoreTestPlugin.getPlugin().getBundle(), new Path(tracepath1), null);
File testfile = new File(FileLocator.toFileURL(location).toURI());
LTTngTextTrace testStream = new LTTngTextTrace(testfile.getPath(), skipIndexing);
testStream.dispose();
} catch (Exception e) {
fail("Construction with correct tracepath failed!");
}
}
*/
public void testGetNextEvent() {
ITmfEvent tmpEvent = null;
LTTngTextTrace testStream1 = prepareStreamToTest();
TmfContext tmpContext = new TmfContext(null, 0);
// We should be at the beginning of the trace, so we will just read the
// first event now
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpEvent is null after first getNextEvent()", null, tmpEvent);
assertEquals("tmpEvent has wrong timestamp after first getNextEvent()", firstEventTimestamp, tmpEvent.getTimestamp().getValue());
// Read the next event as well
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpEvent is null after second getNextEvent()", null, tmpEvent);
assertEquals("tmpEvent has wrong timestamp after second getNextEvent()", secondEventTimestamp, tmpEvent.getTimestamp().getValue());
}
public void testParseEvent() {
ITmfEvent tmpEvent = null;
LTTngTextTrace testStream1 = prepareStreamToTest();
TmfContext tmpContext = new TmfContext(null, 0);
// We should be at the beginning of the trace, so we will just parse the
// first event now
tmpEvent = testStream1.parseEvent(tmpContext);
assertNotSame("tmpEvent is null after first parseEvent()", null, tmpEvent);
assertEquals("tmpEvent has wrong timestamp after first parseEvent()", firstEventTimestamp, tmpEvent.getTimestamp().getValue());
// Use parseEvent again. Should be the same event
tmpEvent = testStream1.parseEvent(tmpContext);
assertNotSame("tmpEvent is null after first parseEvent()", null, tmpEvent);
assertEquals("tmpEvent has wrong timestamp after first parseEvent()", firstEventTimestamp, tmpEvent.getTimestamp().getValue());
}
public void testSeekEventTimestamp() {
ITmfEvent tmpEvent = null;
ITmfContext tmpContext = new TmfContext(null, 0);
LTTngTextTrace testStream1 = prepareStreamToTest();
// We should be at the beginning of the trace, we will seek at a certain
// timestamp
tmpContext = testStream1.seekEvent(new TmfTimestamp(timestampToSeekTest1, (byte) -9, 0));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekEvent()", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after first seekEvent()", contextValueAfterSeekTest1, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after first seekEvent()", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after first seekEvent()", seek1EventReference.contains((String) tmpEvent.getReference()));
// Seek to the last timestamp
tmpContext = testStream1.seekEvent(new TmfTimestamp(timestampToSeekLast, (byte) -9, 0));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after seekEvent() to last", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after seekEvent() to last", contextValueAfterSeekLast, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after seekEvent() to last ", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after seekEvent() to last", seekLastEventReference.contains((String) tmpEvent.getReference()));
// Seek to the first timestamp (startTime)
tmpContext = testStream1.seekEvent(new TmfTimestamp(firstEventTimestamp, (byte) -9, 0));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpEvent is null after seekEvent() to start ", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after seekEvent() to start", firstEventReference.contains((String) tmpEvent.getReference()));
assertNotSame("tmpContext is null after seekEvent() to first", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after seekEvent() to first", contextValueAfterFirstEvent, tmpEvent.getTimestamp().getValue());
}
public void testSeekEventIndex() {
ITmfEvent tmpEvent = null;
ITmfContext tmpContext = new TmfContext(null, 0);
LTTngTextTrace testStream1 = prepareStreamToTest();
// We should be at the beginning of the trace, we will seek at a certain
// timestamp
tmpContext = testStream1.seekEvent(indexToSeekTest1);
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekEvent()", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after first seekEvent()", contextValueAfterSeekTest1, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after first seekEvent()", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after first seekEvent()", seek1EventReference.contains((String) tmpEvent.getReference()));
// Seek to the last timestamp
tmpContext = testStream1.seekEvent(indexToSeekLast);
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekEvent()", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after first seekEvent()", contextValueAfterSeekLast, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after seekEvent() to last ", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after seekEvent() to last", seekLastEventReference.contains((String) tmpEvent.getReference()));
// Seek to the first timestamp (startTime)
tmpContext = testStream1.seekEvent(indexToSeekFirst);
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekEvent()", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after first seekEvent()", contextValueAfterFirstEvent, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after seekEvent() to start ", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after seekEvent() to start", firstEventReference.contains((String) tmpEvent.getReference()));
}
public void testSeekLocation() {
ITmfEvent tmpEvent = null;
TmfContext tmpContext = new TmfContext(null, 0);
LTTngTextTrace testStream1 = prepareStreamToTest();
// We should be at the beginning of the trace, we will seek at a certain
// timestamp
tmpContext = testStream1.seekLocation(new TmfLocation<Long>(locationToSeekTest1));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekLocation()", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after first seekLocation()", contextValueAfterSeekTest1, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after first seekLocation()", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after first seekLocation()", seek1EventReference.contains((String) tmpEvent.getReference()));
// Seek to the last timestamp
tmpContext = testStream1.seekLocation(new TmfLocation<Long>(locationToSeekLast));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekLocation()", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after first seekLocation()", contextValueAfterSeekLast, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after seekLocation() to last ", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after seekLocation() to last", seekLastEventReference.contains((String) tmpEvent.getReference()));
// Seek to the first timestamp (startTime)
tmpContext = testStream1.seekLocation(new TmfLocation<Long>(locationToSeekFirst));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekLocation()", null, tmpContext);
assertEquals("tmpContext has wrong timestamp after first seekLocation()", contextValueAfterFirstEvent, tmpEvent.getTimestamp().getValue());
assertNotSame("tmpEvent is null after seekLocation() to start ", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after seekLocation() to start", firstEventReference.contains((String) tmpEvent.getReference()));
}
@SuppressWarnings("unchecked")
public void testGetter() {
ITmfEvent tmpEvent = null;
LTTngTextTrace testStream1 = prepareStreamToTest();
TmfContext tmpContext = new TmfContext(null, 0);
// Move to the first event to have something to play with
tmpEvent = testStream1.parseEvent(tmpContext);
// Test current event
assertNotSame("tmpEvent is null after first event", null, tmpEvent);
assertTrue("tmpEvent has wrong reference after first event", firstEventReference.contains((String) tmpEvent.getReference()));
assertNotSame("tmpContext is null after first seekEvent()", null, testStream1.getCurrentLocation());
assertEquals("tmpContext has wrong timestamp after first seekEvent()", locationAfterFirstEvent, ((TmfLocation<Long>) testStream1.getCurrentLocation()).getLocation());
// Test CPU number of the trace
assertSame("getCpuNumber() return wrong number of cpu", traceCpuNumber, testStream1.getCpuNumber());
}
public void testToString() {
LTTngTextTrace testStream1 = prepareStreamToTest();
// Move to the first event to have something to play with
testStream1.parseEvent(new TmfContext(null, 0));
// Just make sure toString() does not return null or the java reference
assertNotSame("toString returned null", null, testStream1.toString());
assertNotSame("toString is not overridded!", testStream1.getClass().getName() + '@' + Integer.toHexString(testStream1.hashCode()), testStream1.toString());
}
}
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