/*
* 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.rdfjson.parser;
import java.io.InputStream;
import java.util.Iterator;
import org.apache.clerezza.rdf.core.BNode;
import org.junit.Assert;
import org.junit.Test;
import org.apache.clerezza.rdf.core.MGraph;
import org.apache.clerezza.rdf.core.NonLiteral;
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.serializedform.ParsingProvider;
/**
* @author tio, hasan
*/
public class RdfJsonParserProviderTest {
@Test
public void testParsingOfObjectBNode() {
ParsingProvider provider = new RdfJsonParsingProvider();
InputStream jsonIn = getClass().getResourceAsStream("test-object-bnode.json");
MGraph parsedMGraph = new SimpleMGraph();
provider.parse(parsedMGraph, jsonIn, "application/rdf+json", null);
Assert.assertEquals(parsedMGraph.size(), 1);
Iterator<Triple> triples = parsedMGraph.filter(new UriRef("http://example.org/node1"),
new UriRef("http://example.org/prop1"), null);
Assert.assertTrue(triples.hasNext());
Assert.assertTrue(triples.next().getObject() instanceof BNode);
}
@Test
public void testParsingOfSubjectBNode() {
ParsingProvider provider = new RdfJsonParsingProvider();
InputStream jsonIn = getClass().getResourceAsStream("test-subject-bnode.json");
MGraph parsedMGraph = new SimpleMGraph();
provider.parse(parsedMGraph, jsonIn, "application/rdf+json", null);
Assert.assertEquals(3, parsedMGraph.size());
Iterator<Triple> triples = parsedMGraph.filter(null, new UriRef("http://example.org/prop1"),
new UriRef("http://example.org/node1"));
Assert.assertTrue(triples.hasNext());
NonLiteral subject = triples.next().getSubject();
Assert.assertTrue(subject instanceof BNode);
triples = parsedMGraph.filter(null, new UriRef("http://example.org/prop2"),
new UriRef("http://example.org/node2"));
Assert.assertTrue(triples.hasNext());
Assert.assertTrue(subject.equals(triples.next().getSubject()));
triples = parsedMGraph.filter(null, new UriRef("http://example.org/prop3"),
new UriRef("http://example.org/node3"));
Assert.assertTrue(triples.hasNext());
Assert.assertFalse(subject.equals(triples.next().getSubject()));
}
@Test
public void testParser() {
ParsingProvider provider = new RdfJsonParsingProvider();
InputStream jsonIn = getClass().getResourceAsStream("test.json");
MGraph deserializedMGraph = new SimpleMGraph();
provider.parse(deserializedMGraph, jsonIn, "application/rdf+json", null);
Assert.assertEquals(deserializedMGraph.size(), 6);
Iterator<Triple> triples = deserializedMGraph.filter(new UriRef("http://base/child1"), null, null);
while (triples.hasNext()) {
UriRef uri = triples.next().getPredicate();
Assert.assertEquals(uri.getUnicodeString(), "http://base/propertyB");
}
}
}