/*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Kowari Metadata Store.
*
* The Initial Developer of the Original Code is Plugged In Software Pty
* Ltd (http://www.pisoftware.com, mailto:info@pisoftware.com). Portions
* created by Plugged In Software Pty Ltd are Copyright (C) 2001,2002
* Plugged In Software Pty Ltd. All Rights Reserved.
*
* Contributor(s): N/A.
*
* [NOTE: The text of this Exhibit A may differ slightly from the text
* of the notices in the Source Code files of the Original Code. You
* should use the text of this Exhibit A rather than the text found in the
* Original Code Source Code for Your Modifications.]
*
*/
package org.mulgara.content.rdfxml.writer;
import java.io.*;
// Third party packages
import junit.framework.*;
import org.mulgara.content.Content;
import org.mulgara.content.rdfxml.RDFXMLContentHandler;
import org.mulgara.resolver.file.FileContent;
import org.mulgara.resolver.spi.*;
import org.mulgara.util.TempDir;
/**
* Unit test for client-side JRDF Graph representing a mulgara model (modelURI)
* and uses an ItqlInterpreterBeean and a Session.
*
* @created 2004-08-24
*
* @author <a href="mailto:robert.turner@tucanatech.com">Robert Turner</a>
*
* @version $Revision: 1.8 $
*
* @modified $Date: 2005/01/05 04:58:03 $
*
* @maintenanceAuthor $Author: newmana $
*
* @company <A href="mailto:info@PIsoftware.com">Plugged In Software</A>
*
* @copyright ©2001 <a href="http://www.pisoftware.com/">Plugged In
* Software Pty Ltd</a>
*
* @licence <a href="{@docRoot}/../../LICENCE">Mozilla Public License v1.1</a>
*/
public class RDFXMLWriterUnitTest extends TestCase {
/** Used as a datasource */
private RDFXMLContentHandler contentHandler = null;
/** RDF file that can be parsed to provide Statements */
private static final String RDF_FILE = System.getProperty("cvs.root") +
System.getProperty("file.separator") + "data" +
System.getProperty("file.separator") + "ical.rdf";
// private static final String RDF_FILE = "/spare/test/mulgara/jxdata/iTQL/data.rdf";
/**
* Constructs a new test with the given name.
*
* @param name the name of the test
*/
public RDFXMLWriterUnitTest(String name) {
super(name);
}
/**
* Hook for test runner to obtain a test suite from.
*
* @return The test suite
*/
public static Test suite() {
TestSuite suite = new TestSuite();
suite.addTest(new RDFXMLWriterUnitTest("testWriteRDFFile"));
return suite;
}
/**
* Writes the entire model to a file.
*
* @throws Exception
*/
public void testWriteRDFFile() throws Exception {
File tmpFile1 = null;
File tmpFile2 = null;
try {
File rdfFile = new File(RDF_FILE);
Content rdfContent = new FileContent(rdfFile);
ResolverSession session1 = new TestResolverSession();
Statements statements1 = contentHandler.parse(rdfContent, session1);
//write them
tmpFile1 = writeStatements(statements1, session1);
// re-parse to ensure it is valid
rdfContent = new FileContent(tmpFile1);
ResolverSession session2 = new TestResolverSession();
//output should be parsable
Statements statements2 = contentHandler.parse(rdfContent, session2);
tmpFile2 = writeStatements(statements2, session2);
//Compare the two files
assertTrue("RDF/XML files are not being written consistantly.",
compareFiles(tmpFile1, tmpFile2));
} catch (Exception exception) {
exception.printStackTrace();
throw new Exception(exception);
} finally {
//delete the tmp files
if (tmpFile1 != null) {
tmpFile1.delete();
}
if (tmpFile2 != null) {
tmpFile2.delete();
}
}
}
/**
* Writes the statements to a temp file.
*
* @param statements Statements
* @throws Exception
* @return File
*/
private File writeStatements(Statements statements,
ResolverSession resolverSession) throws Exception {
File tmpFile = TempDir.createTempFile("RDFXMLWriterUnitTest", ".rdf");
OutputStream outStream = new FileOutputStream(tmpFile);
OutputStreamWriter out = new OutputStreamWriter(outStream);
RDFXMLWriter writer = new RDFXMLWriter();
writer.write(statements, resolverSession, out);
out.close();
return tmpFile;
}
/**
* Compares the statements in the two RDFXML files.
*
* @param file1 File
* @param file2 File
* @throws Exception
* @return boolean
*/
private boolean compareFiles(File file1, File file2) throws Exception {
//create new sessions
ResolverSession session1 = new TestResolverSession();
//RDFXML Parser's require the same session to ensure the same nodes are
//allocated the same node id's and can then be sorted.
ResolverSession session2 = session1;
// ResolverSession session2 = new TestResolverSession();
//get statements from the two files
Content content1 = new FileContent(file1);
Content content2 = new FileContent(file2);
Statements statements1 = contentHandler.parse(content1, session1);
Statements statements2 = contentHandler.parse(content2, session2);
//compare them
return new TestStatementsComparator().areEquivelant(statements1, session1,
statements2, session2);
}
/**
* Default test runner.
*
* @param args The command line arguments
* @throws Exception
*/
public static void main(String[] args) throws Exception {
junit.textui.TestRunner.run(suite());
}
//set up and tear down
/**
* Initialise members.
*
* @throws Exception if something goes wrong
*/
public void setUp() throws Exception {
try {
this.contentHandler = new RDFXMLContentHandler();
//let superclass set up too
super.setUp();
} catch (Exception exception) {
//try to tear down first
try {
tearDown();
} catch (Exception e2) {
// ignore
}
throw exception;
}
}
/**
* The teardown method for JUnit
*/
public void tearDown() throws Exception {
// allow super to close down too
super.tearDown();
}
}