positiveparsertest.java

这是外国一个开源推理机

/*  Sesame - Storage and Querying architecture for RDF and RDF Schema
 *  Copyright (C) 2001-2005 Aduna
 *
 *  Contact: 
 *  	Aduna
 *  	Prinses Julianaplein 14 b
 *  	3817 CS Amersfoort
 *  	The Netherlands
 *  	tel. [phone]
 *  	fax. [phone]
 *
 *  	http://aduna.biz/
 *  	http://www.openrdf.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.openrdf.rio.rdfxml;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;

import org.openrdf.model.Resource;
import org.openrdf.model.URI;
import org.openrdf.model.Value;

import org.openrdf.rio.ParseException;
import org.openrdf.rio.StatementHandler;
import org.openrdf.rio.StatementHandlerException;

import org.openrdf.sesame.sail.SailUpdateException;
import org.openrdf.sesame.sail.SailUtil;

class PositiveParserTest extends RdfXmlParserTest {

/*--------------------------------------+
| Variables                             |
+--------------------------------------*/

	private URL _inputURL;
	private URL _outputURL;

/*--------------------------------------+
| Constructors                          |
+--------------------------------------*/

	public PositiveParserTest(String caseURI, String inputURL, String outputURL)
		throws MalformedURLException
	{
		super(caseURI);
		_inputURL = new URL(inputURL);
		_outputURL = new URL(outputURL);
	}

/*--------------------------------------+
| Methods                               |
+--------------------------------------*/

	protected void runTest() {
		try {
			// Parse input data
			InputStream inputStream = _inputURL.openStream();
			_rdfXmlParser.setStatementHandler(
					new StatementHandler() {
						public void handleStatement(Resource subj, URI pred, Value obj) {
							try {
								_parsedModel.addStatement(subj, pred, obj);
							}
							catch (SailUpdateException e) {
								fail("Unable to add statements to models: " + e.getMessage());
							}
						}
					});
			_parsedModel.startTransaction();
			_rdfXmlParser.parse(inputStream, _inputURL.toString());
			inputStream.close();
			_parsedModel.commitTransaction();

			// Parse expected output data
			inputStream = _outputURL.openStream();
			_nTriplesParser.setStatementHandler(
					new StatementHandler() {
						public void handleStatement(Resource subj, URI pred, Value obj) {
							try {
								_expectedModel.addStatement(subj, pred, obj);
							}
							catch (SailUpdateException e) {
								fail("Unable to add statements to models: " + e.getMessage());
							}
						}
					});
			_expectedModel.startTransaction();
			// Use inputURL as base URL so that equal bNode identifiers are generated
			_nTriplesParser.parse(inputStream, _inputURL.toString());
			inputStream.close();
			_expectedModel.commitTransaction();

			// Check equality of the two models
			assertTrue("models not equal", SailUtil.modelsEqual(_parsedModel, _expectedModel));
		}
		catch (ParseException e) {
			fail("Parse error: " + e.getMessage());
		}
		catch (StatementHandlerException e) {
			fail("StatementHandlerException: " + e.getMessage());
		}
		catch (IOException e) {
			fail("I/O error: " + e.getMessage());
		}
	}
}