/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-04 The eXist Project
* http://exist-db.org
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.storage;
import java.io.InputStream;
import junit.framework.TestCase;
import junit.textui.TestRunner;
import org.exist.collections.Collection;
import org.exist.dom.BinaryDocument;
import org.exist.security.SecurityManager;
import org.exist.storage.lock.Lock;
import org.exist.storage.txn.TransactionManager;
import org.exist.storage.txn.Txn;
import org.exist.test.TestConstants;
import org.exist.util.Configuration;
import org.exist.xmldb.XmldbURI;
/**
* 0 byte binary files cannot be retrieved from database. This test
* displays the error.
*
* @author wessels
*/
public class ResourceTest extends TestCase {
private static String EMPTY_BINARY_FILE="";
private static XmldbURI DOCUMENT_NAME_URI = XmldbURI.create("empty.txt");
public static void main(String[] args) {
TestRunner.run(ResourceTest.class);
}
protected BrokerPool startDB() {
try {
Configuration config = new Configuration();
BrokerPool.configure(1, 5, config);
return BrokerPool.getInstance();
} catch (Exception e) {
fail(e.getMessage());
}
return null;
}
protected void tearDown() {
try {
BrokerPool.stopAll(false);
} catch (Exception e) {
fail(e.getMessage());
}
}
public void testStore() {
BrokerPool.FORCE_CORRUPTION = true;
BrokerPool pool = startDB();
DBBroker broker = null;
try {
broker = pool.get(SecurityManager.SYSTEM_USER);
TransactionManager transact = pool.getTransactionManager();
Txn transaction = transact.beginTransaction();
System.out.println("Transaction started ...");
Collection collection = broker
.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
broker.saveCollection(transaction, collection);
BinaryDocument doc =
collection.addBinaryResource(transaction, broker,
DOCUMENT_NAME_URI , EMPTY_BINARY_FILE.getBytes(), "text/text");
transact.commit(transaction);
System.out.println("Transaction commited ...");
} catch (Exception e) {
fail(e.getMessage());
} finally {
pool.release(broker);
}
}
public void testRead() {
BrokerPool.FORCE_CORRUPTION = false;
BrokerPool pool = startDB();
System.out.println("testRead() ...\n");
DBBroker broker = null;
byte[] data = null;
try {
broker = pool.get(SecurityManager.SYSTEM_USER);
TransactionManager transact = pool.getTransactionManager();
Txn transaction = transact.beginTransaction();
System.out.println("Transaction started ...");
XmldbURI docPath = TestConstants.TEST_COLLECTION_URI.append(DOCUMENT_NAME_URI);
BinaryDocument binDoc = (BinaryDocument) broker
.getXMLResource(docPath, Lock.READ_LOCK);
// if document is not present, null is returned
if(binDoc == null){
fail("Binary document '" + docPath + " does not exist.");
} else {
InputStream is = broker.getBinaryResource(binDoc);
data = new byte[(int)broker.getBinaryResourceSize(binDoc)];
is.read(data);
is.close();
binDoc.getUpdateLock().release(Lock.READ_LOCK);
}
Collection collection = broker.getCollection(TestConstants.TEST_COLLECTION_URI);
collection.removeBinaryResource(transaction, broker, binDoc);
broker.saveCollection(transaction, collection);
transact.commit(transaction);
System.out.println("Transaction commited ...");
} catch (Exception ex){
fail("Error opening document" + ex);
} finally {
if(pool!=null){
pool.release(broker);
}
}
assertEquals(0, data.length);
}
public void testStore2() {
testStore();
}
public void testRemoveCollection() {
BrokerPool.FORCE_CORRUPTION = false;
BrokerPool pool = startDB();
System.out.println("testRemoveCollection() ...\n");
DBBroker broker = null;
byte[] data = null;
try {
broker = pool.get(SecurityManager.SYSTEM_USER);
TransactionManager transact = pool.getTransactionManager();
Txn transaction = transact.beginTransaction();
System.out.println("Transaction started ...");
XmldbURI docPath = TestConstants.TEST_COLLECTION_URI.append(DOCUMENT_NAME_URI);
BinaryDocument binDoc = (BinaryDocument) broker
.getXMLResource(docPath, Lock.READ_LOCK);
// if document is not present, null is returned
if(binDoc == null){
fail("Binary document '" + docPath + " does not exist.");
} else {
InputStream is = broker.getBinaryResource(binDoc);
data = new byte[(int)broker.getBinaryResourceSize(binDoc)];
is.read(data);
is.close();
binDoc.getUpdateLock().release(Lock.READ_LOCK);
}
Collection collection = broker.getCollection(TestConstants.TEST_COLLECTION_URI);
broker.removeCollection(transaction, collection);
transact.commit(transaction);
System.out.println("Transaction commited ...");
} catch (Exception ex){
fail("Error opening document" + ex);
} finally {
if(pool!=null){
pool.release(broker);
}
}
assertEquals(0, data.length);
}
}