/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hp.hpl.jena.rdf.model.test;
import com.hp.hpl.jena.rdf.model.AnonId;
import com.hp.hpl.jena.rdf.model.Literal;
import com.hp.hpl.jena.rdf.model.LiteralRequiredException;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.rdf.model.RDFNode;
import com.hp.hpl.jena.rdf.model.RDFVisitor;
import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.rdf.model.ResourceRequiredException;
import com.hp.hpl.jena.rdf.model.test.helpers.ModelHelper;
import com.hp.hpl.jena.rdf.model.test.helpers.TestingModelFactory;
import com.hp.hpl.jena.test.JenaTestBase;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
/**
* This class tests various properties of RDFNodes.
*/
public class TestRDFNodes extends AbstractModelTestBase
{
public TestRDFNodes( final TestingModelFactory modelFactory,
final String name )
{
super(modelFactory, name);
}
public void testInModel()
{
final Model m1 = ModelHelper.modelWithStatements(this, "");
final Model m2 = ModelHelper.modelWithStatements(this, "");
final Resource r1 = ModelHelper.resource(m1, "r1");
final Resource r2 = ModelHelper.resource(m1, "_r2");
/* */
Assert.assertEquals(r1.getModel(), m1);
Assert.assertEquals(r2.getModel(), m1);
Assert.assertFalse(r1.isAnon());
Assert.assertTrue(r2.isAnon());
/* */
Assert.assertEquals(r1.inModel(m2).getModel(), m2);
Assert.assertEquals(r2.inModel(m2).getModel(), m2);
/* */
Assert.assertEquals(r1, r1.inModel(m2));
Assert.assertEquals(r2, r2.inModel(m2));
}
public void testIsAnon()
{
final Model m = ModelHelper.modelWithStatements(this, "");
Assert.assertEquals(false, m.createResource("eh:/foo").isAnon());
Assert.assertEquals(true, m.createResource().isAnon());
Assert.assertEquals(false, m.createTypedLiteral(17).isAnon());
Assert.assertEquals(false, m.createTypedLiteral("hello").isAnon());
}
public void testIsLiteral()
{
final Model m = ModelHelper.modelWithStatements(this, "");
Assert.assertEquals(false, m.createResource("eh:/foo").isLiteral());
Assert.assertEquals(false, m.createResource().isLiteral());
Assert.assertEquals(true, m.createTypedLiteral(17).isLiteral());
Assert.assertEquals(true, m.createTypedLiteral("hello").isLiteral());
}
public void testIsResource()
{
final Model m = ModelHelper.modelWithStatements(this, "");
Assert.assertEquals(true, m.createResource("eh:/foo").isResource());
Assert.assertEquals(true, m.createResource().isResource());
Assert.assertEquals(false, m.createTypedLiteral(17).isResource());
Assert.assertEquals(false, m.createTypedLiteral("hello").isResource());
}
public void testIsURIResource()
{
final Model m = ModelHelper.modelWithStatements(this, "");
Assert.assertEquals(true, m.createResource("eh:/foo").isURIResource());
Assert.assertEquals(false, m.createResource().isURIResource());
Assert.assertEquals(false, m.createTypedLiteral(17).isURIResource());
Assert.assertEquals(false, m.createTypedLiteral("hello")
.isURIResource());
}
public void testLiteralAsResourceThrows()
{
final Model m = ModelHelper.modelWithStatements(this, "");
final Resource r = m.createResource("eh:/spoo");
try
{
r.asLiteral();
Assert.fail("should not be able to do Resource.asLiteral()");
}
catch (final LiteralRequiredException e)
{
}
}
public void testRDFNodeAsLiteral()
{
final Model m = ModelHelper.modelWithStatements(this, "");
final Literal l = m.createLiteral("hello, world");
Assert.assertSame(l, ((RDFNode) l).asLiteral());
}
public void testRDFNodeAsResource()
{
final Model m = ModelHelper.modelWithStatements(this, "");
final Resource r = m.createResource("eh:/spoo");
Assert.assertSame(r, ((RDFNode) r).asResource());
}
public void testRDFVisitor()
{
final List<String> history = new ArrayList<String>();
final Model m = ModelFactory.createDefaultModel();
final RDFNode S = m.createResource();
final RDFNode P = m.createProperty("eh:PP");
final RDFNode O = m.createLiteral("LL");
/* */
final RDFVisitor rv = new RDFVisitor() {
@Override
public Object visitBlank( final Resource R, final AnonId id )
{
history.add("blank");
Assert.assertTrue("must visit correct node", R == S);
Assert.assertEquals("must have correct field", R.getId(), id);
return "blank result";
}
@Override
public Object visitLiteral( final Literal L )
{
history.add("literal");
Assert.assertTrue("must visit correct node", L == O);
return "literal result";
}
@Override
public Object visitURI( final Resource R, final String uri )
{
history.add("uri");
Assert.assertTrue("must visit correct node", R == P);
Assert.assertEquals("must have correct field", R.getURI(), uri);
return "uri result";
}
};
/* */
Assert.assertEquals("blank result", S.visitWith(rv));
Assert.assertEquals("uri result", P.visitWith(rv));
Assert.assertEquals("literal result", O.visitWith(rv));
Assert.assertEquals(JenaTestBase.listOfStrings("blank uri literal"),
history);
}
public void testRemoveAllBoring()
{
final Model m1 = ModelHelper.modelWithStatements(this, "x P a; y Q b");
final Model m2 = ModelHelper.modelWithStatements(this, "x P a; y Q b");
ModelHelper.resource(m2, "x").removeAll(ModelHelper.property(m2, "Z"));
ModelHelper.assertIsoModels("m2 should be unchanged", m1, m2);
}
public void testRemoveAllRemoves()
{
final String ps = "x P a; x P b", rest = "x Q c; y P a; y Q b";
final Model m = ModelHelper.modelWithStatements(this, ps + "; " + rest);
final Resource r = ModelHelper.resource(m, "x");
final Resource r2 = r.removeAll(ModelHelper.property(m, "P"));
Assert.assertSame("removeAll should deliver its receiver", r, r2);
ModelHelper.assertIsoModels("x's P-values should go",
ModelHelper.modelWithStatements(this, rest), m);
}
public void testResourceAsLiteralThrows()
{
final Model m = ModelHelper.modelWithStatements(this, "");
final Literal l = m.createLiteral("hello, world");
try
{
l.asResource();
Assert.fail("should not be able to do Literal.asResource()");
}
catch (final ResourceRequiredException e)
{
}
}
}