/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.apps.vmware.disk.test.readwrite;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import org.apache.log4j.Logger;
import org.jnode.apps.vmware.disk.IOUtils;
import org.jnode.apps.vmware.disk.VMWareDisk;
import org.jnode.apps.vmware.disk.handler.IOHandler;
import org.jnode.apps.vmware.disk.test.BaseTest;
import org.jnode.apps.vmware.disk.test.Utils;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
/**
* Wrote from the 'Virtual Disk Format 1.0' specifications (from VMWare).
*
* @author Fabien DUMINY (fduminy at jnode dot org)
*
*/
@RunWith(value = Parameterized.class)
public abstract class BaseReadWriteTest extends BaseTest {
private static final Logger LOG = Logger.getLogger(BaseReadWriteTest.class);
private static final String DISKS_PACKAGE = "/org/jnode/apps/vmware/disk/test/disks/";
private static final String DISK_BASE_NAME = "Menuet32-";
private static final String RESTRICT_TO_FILE_NAME = "Menuet32-0";
// private static final String RESTRICT_TO_FILE_NAME = null;
private static final String DISKS_PATH;
static {
String classpath = System.getProperty("java.class.path");
StringTokenizer tokenizer = new StringTokenizer(classpath, File.pathSeparator, false);
File foundPath = null;
while (tokenizer.hasMoreTokens()) {
File path = new File(tokenizer.nextToken());
if (path.isDirectory()) {
path = new File(path, DISKS_PACKAGE);
if (path.exists()) {
foundPath = path;
break;
}
}
}
if (foundPath == null) {
throw new RuntimeException("directory not found for package " + DISKS_PACKAGE);
}
DISKS_PATH = foundPath.getAbsolutePath();
System.out.println("\ndirectory for package " + DISKS_PACKAGE + " : " + DISKS_PATH);
}
/**
* Get the set of data to use for the read & write tests.
*
* @return
*/
@Parameters
public static List<File[]> data() {
File directory = new File(DISKS_PATH);
File[] files = directory.listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
boolean ok = name.matches(DISK_BASE_NAME + "[0-9]*.vmdk");
if (RESTRICT_TO_FILE_NAME != null) {
ok &= name.startsWith(RESTRICT_TO_FILE_NAME);
}
return ok;
}
});
List<File[]> list = new ArrayList<File[]>(files.length);
for (File f : files) {
list.add(new File[] {f});
}
return list;
}
/**
* Construct a test class for a VMware disk stored in a file.
* @param diskFile file used to store the VMware disk
* @throws IOException
*/
public BaseReadWriteTest(File diskFile) throws IOException {
super(diskFile, true);
}
/**
* Do a read test.
* @throws Exception
*/
@Test
@Ignore
public void read() throws Exception {
VMWareDisk disk = new VMWareDisk(diskFile);
ByteBuffer data = IOUtils.allocate(IOHandler.SECTOR_SIZE * 100);
disk.read(0, data);
Assert.assertEquals(toString() + ": buffer should be filled", 0, data.remaining());
}
/**
* Do a write test.
* @throws Exception
*/
@Test
@Ignore
public void write() throws Exception {
VMWareDisk disk = new VMWareDisk(diskFile);
ByteBuffer data = IOUtils.allocate(IOHandler.SECTOR_SIZE * 100);
disk.write(0, data);
Assert.assertEquals(toString() + ": buffer should be fully copied", 0, data.remaining());
}
/**
* Do a write & read test.
* @throws Exception
*/
@Test
public void writeAndRead() throws Exception {
Utils.DO_CLEAR = false;
LOG.info("BEGIN writeAndRead");
VMWareDisk disk = new VMWareDisk(diskFile);
// write
LOG.info("writeAndRead: writing...");
int size = IOHandler.SECTOR_SIZE * 100;
ByteBuffer expectedData = IOUtils.allocate(size);
for (int i = 0; i < (size / 4); i++) {
expectedData.putInt(i);
}
expectedData.rewind();
disk.write(0, expectedData);
disk.flush();
// read
LOG.info("writeAndRead: reading...");
VMWareDisk disk2 = new VMWareDisk(diskFile);
Assert.assertEquals("disk has different size", disk.getLength(), disk2.getLength());
Assert.assertEquals("disk has different descriptor", disk.getDescriptor(), disk2
.getDescriptor());
expectedData.rewind();
ByteBuffer actualData = IOUtils.allocate(size);
disk2.read(0, actualData);
for (int i = 0; i < (size / 4); i++) {
int actual = actualData.getInt(i);
int expected = expectedData.getInt();
Assert.assertEquals("bad data at index " + (i * 4), expected, actual);
}
LOG.info("END writeAndRead");
}
}