/*
* 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.client.jrdf.test;
import org.jrdf.graph.*;
import org.jrdf.graph.Graph;
// Third party packages
import junit.framework.*;
import java.net.*;
import java.util.*;
import org.mulgara.client.jrdf.*;
import org.mulgara.query.*;
import org.mulgara.query.rdf.LiteralImpl;
import org.mulgara.query.rdf.TripleImpl;
import org.mulgara.query.rdf.URIReferenceImpl;
import org.mulgara.server.*;
import org.mulgara.server.driver.*;
/**
* 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: 1.9 $
*
* @modified $Date: 2005/01/13 11:57:00 $
*
* @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 RemoteAnswerCloneUnitTest extends TestCase {
/** name used for the server */
private static String SERVER_NAME = "server1";
/** name of the model */
private static String MODEL_NAME = "remoteAnswerCloneModel";
/** URI for the mulgara server */
private static URI serverURI = null;
/** URI for the test model */
private static URI modelURI = null;
/** The session used by the graph (and setting up) */
private JRDFSession session = null;
/** Nodes used for test data */
private URIReference reference1 = null;
private URIReference reference2 = null;
private Literal literal = null;
/**
* Constructs a new test with the given name.
*
* @param name the name of the test
*/
public RemoteAnswerCloneUnitTest(String name) {
super(name);
}
/**
* Create a graph implementation.
*
* @return A new RemoteAnswerCloneUnitTest.
* @throws Exception
*/
public Graph newGraph() throws Exception {
//reset graph
dropModel(modelURI);
createModel(modelURI);
//create and return graph
return AbstractGraphFactory.createGraph(serverURI, modelURI);
}
/**
* 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 RemoteAnswerCloneUnitTest("testClone"));
suite.addTest(new RemoteAnswerCloneUnitTest("testCloneOfClones"));
return suite;
}
/**
* Default test runner.
*
* @param args The command line arguments
* @throws Exception
*/
public static void main(String[] args) throws Exception {
junit.textui.TestRunner.run(suite());
}
/**
* Ensures operations can be performed on a cloned Answer after the original
* has been closed.
*
* @throws Exception
*/
public void testClone() throws Exception {
try {
//test answer with entire graph
Answer answer = session.find(modelURI, null, null, null);
testClone(answer);
//test constrained answers
Answer constrainedS = session.find(modelURI, reference1,
null, null);
testClone(constrainedS);
Answer constrainedP = session.find(modelURI, null,
reference1, null);
testClone(constrainedP);
Triple constrainedTripleO = new TripleImpl(null, null, reference1);
Answer constrainedO = session.find(modelURI,
constrainedTripleO.getSubject(), constrainedTripleO.getPredicate(),
constrainedTripleO.getObject());
testClone(constrainedO);
Answer constrainedSP = session.find(modelURI, reference1,
reference1, null);
testClone(constrainedSP);
Answer constrainedPO = session.find(modelURI, null,
reference1, reference1);
testClone(constrainedPO);
Answer constrainedOS = session.find(modelURI, reference1,
null, reference1);
testClone(constrainedOS);
//test unconstrained answer
Answer unconstrained = session.find(modelURI, reference1,
reference1, reference1);
testClone(unconstrained);
} catch (Exception exception) {
exception.printStackTrace();
throw exception;
}
}
/**
* clones the orignal, closes it and then performs operations on the clone.
*
* @param original Answer
* @throws Exception
*/
private void testClone(Answer original) throws Exception {
try {
//clone it
Answer clone = (Answer) original.clone();
assertNotNull("Answer.clone() returned null.", clone);
//close it
original.close();
//perform operations on clone
clone.beforeFirst();
assertNotNull("clone.getVariables() returned null.", clone.getVariables());
//iterate over the answer
int columns = clone.getNumberOfVariables();
while (clone.next()) {
//get each object
for (int i = 0; i < columns; i++) {
clone.getObject(i);
}
}
//close the clone
clone.close();
} catch (Exception e) {
//print and re-throw
e.printStackTrace();
throw e;
}
}
/**
* Ensures operations can be performed on Answer's that are cloned multiple
* times.
*
* @throws Exception
*/
public void testCloneOfClones() throws Exception {
try {
//test answer with entire graph
Answer answer = session.find(modelURI, null, null, null);
testCloneOfClones(answer);
//test constrained answers
Answer constrainedS = session.find(modelURI, reference1,
null, null);
testCloneOfClones(constrainedS);
Answer constrainedP = session.find(modelURI, null,
reference1, null);
testCloneOfClones(constrainedP);
Answer constrainedO = session.find(modelURI, null, null,
reference1);
testCloneOfClones(constrainedO);
Answer constrainedSP = session.find(modelURI, reference1,
reference1, null);
testCloneOfClones(constrainedSP);
Answer constrainedPO = session.find(modelURI, null,
reference1, reference1);
testCloneOfClones(constrainedPO);
Answer constrainedOS = session.find(modelURI, reference1,
null, reference1);
testCloneOfClones(constrainedOS);
//test unconstrained answer
Answer unconstrained = session.find(modelURI, reference1,
reference1, reference1);
testCloneOfClones(unconstrained);
} catch (Exception exception) {
exception.printStackTrace();
throw exception;
}
}
/**
* clones the orignal, closes it and then performs operations on the clone.
*
* @param original Answer
* @throws Exception
*/
private void testCloneOfClones(Answer original) throws Exception {
//test a clone of a clone
Answer answerClone = (Answer) original.clone();
Answer answerCloneClone = (Answer) answerClone.clone();
Answer answerCloneCloneClone = (Answer) answerCloneClone.clone();
//test each level (also closes)
testClone(original);
testClone(answerClone);
testClone(answerCloneClone);
testClone(answerCloneCloneClone);
}
/**
* Adds triples to the graph.
*
* @throws Exception
*/
private void populate() throws Exception {
Set<Triple> triples = new HashSet<Triple>();
//create triples that can be searched for
triples.add(new TripleImpl(reference1, reference1, literal));
triples.add(new TripleImpl(reference1, reference2, literal));
triples.add(new TripleImpl(reference2, reference1, literal));
triples.add(new TripleImpl(reference2, reference2, literal));
triples.add(new TripleImpl(reference1, reference1, reference1));
triples.add(new TripleImpl(reference1, reference2, reference1));
triples.add(new TripleImpl(reference2, reference1, reference1));
triples.add(new TripleImpl(reference2, reference2, reference1));
triples.add(new TripleImpl(reference1, reference1, reference2));
triples.add(new TripleImpl(reference1, reference2, reference2));
triples.add(new TripleImpl(reference2, reference1, reference2));
triples.add(new TripleImpl(reference2, reference2, reference2));
//create arbitary triples
int NUM_TRIPLES = 5000;
String baseURI = "http://mulgara.org/mulgara#triple_";
URIReference currentNode = null;
for (int i = 0; i < NUM_TRIPLES; i++) {
//add triple with new node
currentNode = new URIReferenceImpl(new URI(baseURI + i));
triples.add(new TripleImpl(currentNode, currentNode,
currentNode));
}
//insert
session.insert(modelURI, triples);
}
//set up and tear down
/**
* Initialise members.
*
* @throws Exception if something goes wrong
*/
public void setUp() throws Exception {
// Store persistence files in the temporary directory
try {
String hostname = InetAddress.getLocalHost().getCanonicalHostName();
serverURI = new URI("rmi", hostname, "/" + SERVER_NAME, null);
modelURI = new URI("rmi", hostname, "/" + SERVER_NAME, MODEL_NAME);
//get session
SessionFactory sessionFactory = SessionFactoryFinder.newSessionFactory(
serverURI, true);
session = (JRDFSession) sessionFactory.newJRDFSession();
//create test triples
reference1 = new URIReferenceImpl(new URI("http://mulgara.org/mulgara#testReference"));
reference2 = new URIReferenceImpl(new URI("http://mulgara.org/mulgara#testReference2"));
literal = new LiteralImpl("test Literal");
//initialize model
createModel(modelURI);
populate();
//let superclass set up too
super.setUp();
} catch (Exception exception) {
//try to tear down first
try {
tearDown();
} catch (Throwable t) {
throw exception;
}
}
}
/**
* The teardown method for JUnit
*
* @throws Exception EXCEPTION TO DO
*/
public void tearDown() throws Exception {
dropModel(modelURI);
//allow super to close down too
super.tearDown();
}
/**
* Returns an answer that contains all the statements for the graph.
*
* @param modelURI URI
* @throws Exception
*/
private void createModel(URI modelURI) throws Exception {
session.createModel(modelURI, new URI("http://mulgara.org/mulgara#Model"));
}
/**
* Returns an answer that contains all the statements for the graph.
*
* @param modelURI URI
* @throws Exception
*/
private void dropModel(URI modelURI) throws Exception {
session.removeModel(modelURI);
}
}