/**
*
* Copyright 2004 Hiram Chirino
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**/
package org.activeio.journal.active;
import java.io.File;
import java.io.IOException;
import junit.framework.TestCase;
import org.activeio.Packet;
import org.activeio.journal.InvalidRecordLocationException;
import org.activeio.journal.Journal;
import org.activeio.journal.RecordLocation;
import org.activeio.packet.ByteArrayPacket;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Tests the JournalImpl
*
* @version $Revision: 1.1 $
*/
public class JournalImplTest extends TestCase {
Log log = LogFactory.getLog(JournalImplTest.class);
int size = 1024*512;
int logFileCount=4;
File logDirectory = new File("test-logfile");
private Journal journal;
/**
* @see junit.framework.TestCase#setUp()
*/
protected void setUp() throws Exception {
if( logDirectory.exists() ) {
deleteDir(logDirectory);
}
assertTrue("Could not delete directory: "+logDirectory.getCanonicalPath(), !logDirectory.exists() );
journal = new JournalImpl(logDirectory,logFileCount,size);
}
/**
*/
private void deleteDir(File f) {
File[] files = f.listFiles();
for (int i = 0; i < files.length; i++) {
File file = files[i];
file.delete();
}
f.delete();
}
protected void tearDown() throws Exception {
journal.close();
if( logDirectory.exists() )
deleteDir(logDirectory);
//assertTrue( !logDirectory.exists() );
}
public void testLogFileCreation() throws IOException {
RecordLocation mark = journal.getMark();
assertNull(mark);
}
public void testAppendAndRead() throws InvalidRecordLocationException, InterruptedException, IOException {
Packet data1 = createPacket("Hello World 1");
RecordLocation location1 = journal.write( data1, false);
Packet data2 = createPacket("Hello World 2");
RecordLocation location2 = journal.write( data2, false);
Packet data3 = createPacket("Hello World 3");
RecordLocation location3 = journal.write( data3, false);
// Now see if we can read that data.
Packet data;
data = journal.read(location2);
assertEquals( data2, data);
data = journal.read(location1);
assertEquals( data1, data);
data = journal.read(location3);
assertEquals( data3, data);
// Can we cursor the data?
RecordLocation l=journal.getNextRecordLocation(null);
assertEquals(0, l.compareTo(location1));
data = journal.read(l);
assertEquals( data1, data);
l=journal.getNextRecordLocation(l);
assertEquals(0, l.compareTo(location2));
data = journal.read(l);
assertEquals( data2, data);
l=journal.getNextRecordLocation(l);
assertEquals(0, l.compareTo(location3));
data = journal.read(l);
assertEquals( data3, data);
l=journal.getNextRecordLocation(l);
assertNull(l);
log.info(journal);
}
/**
* @param string
* @return
*/
private Packet createPacket(String string) {
return new ByteArrayPacket(string.getBytes());
}
public static void assertEquals(Packet arg0, Packet arg1) {
assertEquals(arg0.sliceAsBytes(), arg1.sliceAsBytes());
}
public static void assertEquals(byte[] arg0, byte[] arg1) {
if( arg0==null ^ arg1==null )
fail("Not equal: "+arg0+" != "+arg1);
if( arg0==null )
return;
if( arg0.length!=arg1.length)
fail("Array lenght not equal: "+arg0.length+" != "+arg1.length);
for( int i=0; i<arg0.length;i++) {
if( arg0[i]!= arg1[i]) {
fail("Array item not equal at index "+i+": "+arg0[i]+" != "+arg1[i]);
}
}
}
}