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package org.eclipse.linuxtools.lttng.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.lttng.event.LttngLocation;
import org.eclipse.linuxtools.lttng.tests.LTTngCoreTestPlugin;
import org.eclipse.linuxtools.lttng.trace.LTTngTrace;
import org.eclipse.linuxtools.tmf.event.TmfEvent;
import org.eclipse.linuxtools.tmf.event.TmfTimestamp;
import org.eclipse.linuxtools.tmf.trace.TmfContext;
/*
Functions tested here :
public LTTngTrace(String path) throws Exception
public LTTngTrace(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 LTTngTraceTest extends TestCase {
private final static String tracepath1="traceset/trace-15316events_nolost_newformat";
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 = 13589759412128L;
private final static String tracename = "traceset/trace-15316events_nolost_newformat";
private final static long indexToSeekFirst = 0;
private final static Long locationToSeekFirst = 13589759412128L;
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 = 13589826657302L;
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 = 13589906758692L;
private final static long contextValueAfterSeekLast = 13589906758692L;
private final static String seekLastEventReference = tracename + "/kernel_0";
private static LTTngTrace testStream = null;
private LTTngTrace prepareStreamToTest() {
if (testStream == null) {
try {
URL location = FileLocator.find(LTTngCoreTestPlugin.getPlugin().getBundle(), new Path(tracepath1), null);
File testfile = new File(FileLocator.toFileURL(location).toURI());
LTTngTrace tmpStream = new LTTngTrace(testfile.getPath(), false);
testStream = tmpStream;
}
catch (Exception e) {
System.out.println("ERROR : Could not open " + tracepath1);
testStream = null;
}
}
else {
testStream.seekEvent(0L);
}
return testStream;
}
public void testTraceConstructors() {
@SuppressWarnings("unused")
LTTngTrace testStream1 = null;
// Default constructor
// Test constructor with argument on a wrong tracepath, skipping indexing
try {
testStream1 = new LTTngTrace(wrongTracePath, skipIndexing);
fail("Construction with wrong tracepath should fail!");
}
catch( Exception e) {
}
// 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());
testStream1 = new LTTngTrace(testfile.getPath(), skipIndexing);
}
catch( Exception e) {
fail("Construction with correct tracepath failed!");
}
System.out.println("Test completed");
}
public void testGetNextEvent() {
TmfEvent tmpEvent = null;
LTTngTrace 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,(long)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,(long)tmpEvent.getTimestamp().getValue() );
}
public void testParseEvent() {
TmfEvent tmpEvent = null;
LTTngTrace 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,(long)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,(long)tmpEvent.getTimestamp().getValue() );
}
public void testSeekEventTimestamp() {
TmfEvent tmpEvent = null;
TmfContext tmpContext = new TmfContext(null, 0);
LTTngTrace 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,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after first seekEvent()",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after first seekEvent()", ((String)tmpEvent.getReference().getReference()).contains(seek1EventReference) );
// 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,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after seekEvent() to last ",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after seekEvent() to last",((String)tmpEvent.getReference().getReference()).contains(seekLastEventReference) );
// 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",((String)tmpEvent.getReference().getReference()).contains(firstEventReference) );
assertNotSame("tmpContext is null after seekEvent() to first",null,tmpContext );
assertEquals("tmpContext has wrong timestamp after seekEvent() to first",contextValueAfterFirstEvent,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
}
public void testSeekEventIndex() {
TmfEvent tmpEvent = null;
TmfContext tmpContext = new TmfContext(null, 0);
LTTngTrace 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,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after first seekEvent()",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after first seekEvent()", ((String)tmpEvent.getReference().getReference()).contains(seek1EventReference) );
// 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,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after seekEvent() to last ",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after seekEvent() to last",((String)tmpEvent.getReference().getReference()).contains(seekLastEventReference) );
// 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,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after seekEvent() to start ",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after seekEvent() to start",((String)tmpEvent.getReference().getReference()).contains(firstEventReference) );
}
public void testSeekLocation() {
TmfEvent tmpEvent = null;
TmfContext tmpContext = new TmfContext(null, 0);
LTTngTrace testStream1 = prepareStreamToTest();
// We should be at the beginning of the trace, we will seek at a certain timestamp
tmpContext = testStream1.seekLocation(new LttngLocation(locationToSeekTest1));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekLocation()",null,tmpContext );
assertEquals("tmpContext has wrong timestamp after first seekLocation()",contextValueAfterSeekTest1,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after first seekLocation()",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after first seekLocation()", ((String)tmpEvent.getReference().getReference()).contains(seek1EventReference) );
// Seek to the last timestamp
tmpContext = testStream1.seekLocation(new LttngLocation(locationToSeekLast));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekLocation()",null,tmpContext );
assertEquals("tmpContext has wrong timestamp after first seekLocation()",contextValueAfterSeekLast,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after seekLocation() to last ",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after seekLocation() to last",((String)tmpEvent.getReference().getReference()).contains(seekLastEventReference) );
// Seek to the first timestamp (startTime)
tmpContext = testStream1.seekLocation(new LttngLocation(locationToSeekFirst));
tmpEvent = testStream1.getNextEvent(tmpContext);
assertNotSame("tmpContext is null after first seekLocation()",null,tmpContext );
assertEquals("tmpContext has wrong timestamp after first seekLocation()",contextValueAfterFirstEvent,(long)((TmfTimestamp)tmpEvent.getTimestamp()).getValue() );
assertNotSame("tmpEvent is null after seekLocation() to start ",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after seekLocation() to start",((String)tmpEvent.getReference().getReference()).contains(firstEventReference) );
}
public void testGetter() {
TmfEvent tmpEvent = null;
LTTngTrace testStream1 = prepareStreamToTest();
// Move to the first event to have something to play with
tmpEvent = testStream1.parseEvent( new TmfContext(null, 0));
// Test current event
assertNotSame("tmpEvent is null after first event",null,tmpEvent );
assertTrue("tmpEvent has wrong reference after first event",((String)tmpEvent.getReference().getReference()).contains(firstEventReference) );
assertNotSame("tmpContext is null after first seekEvent()",null,testStream1.getCurrentLocation() );
assertTrue("tmpContext has wrong timestamp after first seekEvent()",locationAfterFirstEvent.equals( ((LttngLocation)testStream1.getCurrentLocation()).getOperationTimeValue()) );
// Test CPU number of the trace
assertSame("getCpuNumber() return wrong number of cpu",traceCpuNumber ,testStream1.getCpuNumber() );
}
public void testToString() {
LTTngTrace 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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