/*
* 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.Model;
import com.hp.hpl.jena.rdf.model.NodeIterator;
import com.hp.hpl.jena.rdf.model.ResIterator;
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 org.junit.Assert;
/**
* TestListSubjectsEtc - tests for listSubjects, listObjects [and
* listPredicates, if
* it were to exist]
* TODO make preperly generic, add missing test cases [we're relying, at root,
* on SimpleQueryHandler]
*/
public class TestListSubjectsEtc extends AbstractModelTestBase
{
public TestListSubjectsEtc( final TestingModelFactory modelFactory,
final String name )
{
super(modelFactory, name);
}
public void testListObjectsNoRemove()
{
final Model m = ModelHelper.modelWithStatements(this,
"a P b; b Q c; c R a");
final NodeIterator it = m.listObjects();
it.next();
try
{
it.remove();
Assert.fail("listObjects should not support .remove()");
}
catch (final UnsupportedOperationException e)
{
JenaTestBase.pass();
}
}
public void testListSubjectsNoRemove()
{
final Model m = ModelHelper.modelWithStatements(this,
"a P b; b Q c; c R a");
final ResIterator it = m.listSubjects();
it.next();
try
{
it.remove();
Assert.fail("listSubjects should not support .remove()");
}
catch (final UnsupportedOperationException e)
{
JenaTestBase.pass();
}
}
public void testListSubjectsWorksAfterRemoveProperties()
{
final Model m = ModelHelper.modelWithStatements(this,
"p1 before terminal; p2 before terminal");
m.createResource("eh:/p1").removeProperties();
ModelHelper.assertIsoModels(
ModelHelper.modelWithStatements(this, "p2 before terminal"), m);
Assert.assertEquals(ModelHelper.resourceSet("p2"), m.listSubjects()
.toSet());
}
public void testListSubjectsWorksAfterRemovePropertiesWIthLots()
{
final Model m = ModelHelper.modelWithStatements(this,
"p2 before terminal");
for (int i = 0; i < 100; i += 1)
{
ModelHelper.modelAdd(m, "p1 hasValue " + i);
}
m.createResource("eh:/p1").removeProperties();
ModelHelper.assertIsoModels(
ModelHelper.modelWithStatements(this, "p2 before terminal"), m);
Assert.assertEquals(ModelHelper.resourceSet("p2"), m.listSubjects()
.toSet());
}
}