testremovebug.java

Jena推理机

/******************************************************************
 * File:        TestRemoveBug.java
 * Created by:  Dave Reynolds
 * Created on:  06-Feb-2006
 * 
 * (c) Copyright 2006, Hewlett-Packard Development Company, LP
 * [See end of file]
 * $Id: TestRemoveBug.java,v 1.4 2007/01/02 11:48:25 andy_seaborne Exp $
 *****************************************************************/

package com.hp.hpl.jena.rdf.model.test;

import java.io.StringReader;

import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.rdf.model.Property;
import com.hp.hpl.jena.rdf.model.RDFNode;
import com.hp.hpl.jena.rdf.model.ResIterator;
import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.rdf.model.Statement;
import com.hp.hpl.jena.rdf.model.StmtIterator;

import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * 
 * @author <a href="mailto:[e-mail]">Dave Reynolds</a>
 * @version $Revision: 1.4 $
 */

public class TestRemoveBug extends TestCase {
    
    public TestRemoveBug(String name) {
        super(name);
    }
    
    public static TestSuite suite() {
        return new TestSuite( TestRemoveBug.class );
    }

    /**
     * Test a bug case, intermittent only (about 1 in 50!)
     */
    public void testBug1() {
        String src="@prefix foaf:    <http://xmlns.com/foaf/0.1/> .\n" +
        "<http://www.hp.com/people/Ian_Dickinson> foaf:mbox_sha1sum '896dfb5980f37c47ada8c2a2538888d0c39e582d' .\n" +
//        "[a foaf:Person ; foaf:name 'Ian Dickinson'  ; foaf:title 'Mr'  ;" +
//        " foaf:givenname 'Ian'  ; foaf:family_name 'Dickinson' ;\n" +
//        " foaf:mbox_sha1sum '896dfb5980f37c47ada8c2a2538888d0c39e582d'  ;" +
//        " foaf:homepage <http://www.iandickinson.me.uk>;\n" +
//        " foaf:phone <tel:[phone]> ; " +
//        " foaf:depiction <http://www.iandickinson.me.uk/images/me2005.jpg>;" +
//        " foaf:workInfoHomepage <http://www.hpl.hp.com/semweb>" +
        "[] foaf:name 'Ian Dickinson'  ;\n" +
        " foaf:p1 'v1'; \n" +
        " foaf:p1 'v2'; \n" +
        " foaf:p1 'v3'; \n" +
        " foaf:p1 'v4'; \n" +
        " foaf:p1 'v5'; \n" +
        " foaf:p1 'v6'; \n" +
        " foaf:p1 'v7'; \n" +
        " foaf:p1 'v8'; \n" +
        " foaf:p1 'v9'; \n" +
        "." ;
        
        for (int count = 0; count < 1000; count++) {
//            System.out.println("Test " + count);
            Model incoming = ModelFactory.createDefaultModel();
            incoming.read( new StringReader(src), null, "N3");

            // Find the bNode that will be rewritten
            Property name = incoming.createProperty("http://xmlns.com/foaf/0.1/", "name");
            ResIterator ri = incoming.listSubjectsWithProperty(name, "Ian Dickinson");
            Resource bNode = ri.nextResource();
            ri.close();
            
            // Rewrite it to ground form
            int originalCount = bNode.listProperties().toList().size();
            Resource newR = incoming.createResource("http://www.hp.com/people/Ian_Dickinson");
            int runningCount = 0;
            StmtIterator si = incoming.listStatements(bNode, null, (RDFNode)null);
            Model additions = ModelFactory.createDefaultModel();
            while (si.hasNext()) {
                Statement s = si.nextStatement();
                runningCount += 1;
                si.remove();
//                System.out.println("Rewrite " + s + " base on " + newR);
                additions.add(additions.createStatement(newR, s.getPredicate(), s.getObject()));
            }
            assertEquals( "on iteration " + count + " with " + bNode.asNode().getBlankNodeLabel(), originalCount, runningCount );
            incoming.add(additions);
            Resource ian = incoming.getResource("http://www.hp.com/people/Ian_Dickinson");
            assertTrue("Smush failed on iteration " + count, ian.hasProperty(name));
        }
    }
}


/*
    (c) Copyright 2005, 2006, 2007 Hewlett-Packard Development Company, LP
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.

    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.

    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/