/*
* Copyright (c) 2002-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.xindice;
import java.util.Random;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import net.jxta.impl.xindice.core.data.Key;
import net.jxta.impl.xindice.core.data.Value;
import net.jxta.impl.xindice.core.DBException;
import net.jxta.impl.xindice.core.filer.BTreeFiler;
/**
*
*
*/
public class XindiceTest extends TestCase {
private static final int ITERATIONS = 4096;
private static final int MAX_VALUE_SIZE = 4096;
private BTreeFiler filer = null;
private Random random = new Random();
public XindiceTest(java.lang.String testName) {
super(testName);
}
public static void main(java.lang.String[] args) {
junit.textui.TestRunner.run(suite());
System.err.flush();
System.out.flush();
}
public static Test suite() {
TestSuite suite = new TestSuite(XindiceTest.class);
return suite;
}
@Override
public void setUp() {
filer = new BTreeFiler();
filer.setLocation(".", getName() + "-db");
try {
if (!filer.open()) {
filer.create();
}
} catch (DBException ex) {
ex.printStackTrace();
fail(ex.getMessage());
}
}
@Override
public void tearDown() {
try {
filer.close();
// filer.drop();
} catch (DBException ex) {
ex.printStackTrace();
fail(ex.getMessage());
}
filer = null;
System.gc();
}
// Add test methods here, they have to start with 'test' name.
// for example:
// public void testHello() {}
public void testRecords() {
Key key = new Key("a key");
Value value = new Value("a value");
try {
assertTrue("cannot open db", filer.open());
assertTrue("recordCount == 0", filer.getRecordCount() == 0);
filer.writeRecord(key, value);
assertTrue("recordCount == 1", filer.getRecordCount() == 1);
Value rval = filer.readRecord(key).getValue();
assertTrue("val != rval", value.equals(rval));
assertTrue("delete record", filer.deleteRecord(key));
assertTrue("delete deleted record", !filer.deleteRecord(key));
assertTrue("recordCount == 0", filer.getRecordCount() == 0);
} catch (DBException ex) {
ex.printStackTrace();
fail(ex.getMessage());
}
}
public void testStress() {
Key[] keys = new Key[ITERATIONS];
Value[] values = new Value[ITERATIONS];
for (int i = 0; i < ITERATIONS; i++) {
keys[i] = new Key("k" + Integer.toString(i));
int valsize = random.nextInt(MAX_VALUE_SIZE);
byte[] val = new byte[valsize];
random.nextBytes(val);
values[i] = new Value(val);
}
try {
assertTrue("cannot open db", filer.open());
assertTrue("recordCount == 0", filer.getRecordCount() == 0);
for (int i = 0; i < ITERATIONS; i++) {
filer.writeRecord(keys[i], values[i]);
}
filer.flush();
assertTrue("recordCount == " + ITERATIONS, filer.getRecordCount() == ITERATIONS);
for (int i = 0; i < ITERATIONS; i++) {
Value rval = filer.readRecord(keys[i]).getValue();
assertTrue("val != rval", values[i].equals(rval));
// enable the following for some thorough testing, but
// be warned, it can take a *really* long time
/*
for (int j=0; j < ITERATIONS; j++) {
if (j == i) {
continue;
}
Value xval = filer.readRecord(keys[j]).getValue();
assertFalse("val == xval", values[i].equals(xval));
}
*/
}
for (int i = 0; i < ITERATIONS; i++) {
assertTrue("delete record", filer.deleteRecord(keys[i]));
}
filer.flush();
assertTrue("recordCount == 0", filer.getRecordCount() == 0);
} catch (DBException ex) {
ex.printStackTrace();
fail(ex.getMessage());
}
}
public void testBenchmark() {
Key[] keys = new Key[ITERATIONS];
for (int i = 0; i < ITERATIONS; i++) {
keys[i] = new Key("k" + Integer.toString(i));
}
try {
assertTrue("cannot open db", filer.open());
assertTrue("recordCount == 0", filer.getRecordCount() == 0);
long size = 0;
long start = System.currentTimeMillis();
for (int i = 0; i < ITERATIONS; i++) {
int valsize = random.nextInt(MAX_VALUE_SIZE);
size += valsize;
byte[] val = new byte[valsize];
random.nextBytes(val);
Value value = new Value(val);
filer.writeRecord(keys[i], value);
}
long end = System.currentTimeMillis();
System.out.println();
System.out.println(
"WRITE: " + ITERATIONS + " records in " + (end - start) + " ms (" + ((1000 * ITERATIONS) / (end - start))
+ " records/s " + (((1000 * size) / (end - start)) / 1024) + " kB/s)");
filer.flush();
assertTrue("recordCount == " + ITERATIONS, filer.getRecordCount() == ITERATIONS);
size = 0;
start = System.currentTimeMillis();
for (int i = 0; i < ITERATIONS; i++) {
Value rval = filer.readRecord(keys[i]).getValue();
size += rval.getLength();
}
end = System.currentTimeMillis();
System.out.println(
"READ: " + ITERATIONS + " records in " + (end - start) + " ms (" + ((1000 * ITERATIONS) / (end - start))
+ " records/s " + (((1000 * size) / (end - start)) / 1024) + " kB/s)");
start = System.currentTimeMillis();
for (int i = 0; i < ITERATIONS; i++) {
assertTrue("delete record", filer.deleteRecord(keys[i]));
}
end = System.currentTimeMillis();
System.out.println(
"DELETE: " + ITERATIONS + " records in " + (end - start) + " ms (" + ((1000 * ITERATIONS) / (end - start))
+ " records/s)");
filer.flush();
assertTrue("recordCount == 0", filer.getRecordCount() == 0);
} catch (DBException ex) {
ex.printStackTrace();
fail(ex.getMessage());
}
}
}