/*
* 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 org.apache.clerezza.rdf.utils;
import java.util.Iterator;
import junit.framework.Assert;
import org.junit.Test;
import org.apache.clerezza.rdf.core.BNode;
import org.apache.clerezza.rdf.core.MGraph;
import org.apache.clerezza.rdf.core.Triple;
import org.apache.clerezza.rdf.core.UriRef;
import org.apache.clerezza.rdf.core.impl.SimpleMGraph;
import org.apache.clerezza.rdf.core.impl.TripleImpl;
/**
*
* @author hasan
*/
public class UnionMGraphTest {
private final UriRef uriRef1 =
new UriRef("http://example.org/ontology#res1");
private final UriRef uriRef2 =
new UriRef("http://example.org/ontology#res2");
private final UriRef uriRef3 =
new UriRef("http://example.org/ontology#res3");
private final UriRef uriRef4 =
new UriRef("http://example.org/ontology#res4");
@Test
public void readAccess() {
MGraph graph = new SimpleMGraph();
MGraph graph2 = new SimpleMGraph();
BNode bnode = new BNode() {
};
graph.add(new TripleImpl(uriRef1, uriRef2, uriRef1));
graph2.add(new TripleImpl(bnode, uriRef1, uriRef3));
MGraph unionGraph = new UnionMGraph(graph, graph2);
Iterator<Triple> unionTriples = unionGraph.iterator();
Assert.assertTrue(unionTriples.hasNext());
unionTriples.next();
Assert.assertTrue(unionTriples.hasNext());
unionTriples.next();
Assert.assertFalse(unionTriples.hasNext());
Assert.assertEquals(2, unionGraph.size());
}
@Test
public void writeAccess() {
MGraph graph = new SimpleMGraph();
MGraph graph2 = new SimpleMGraph();
BNode bnode = new BNode() {
};
graph2.add(new TripleImpl(bnode, uriRef1, uriRef3));
MGraph unionGraph = new UnionMGraph(graph, graph2);
Assert.assertEquals(1, unionGraph.size());
unionGraph.add(new TripleImpl(uriRef4, uriRef1, uriRef3));
Assert.assertEquals(1, graph.size());
Assert.assertEquals(2, unionGraph.size());
Assert.assertEquals(1, graph2.size());
}
}