TestListStatements.java example

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/**
 * 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.jena.rdf.model.test;

import java.util.List ;

import junit.framework.JUnit4TestAdapter ;
import org.apache.jena.rdf.model.* ;
import org.apache.jena.vocabulary.RDF ;
import org.junit.AfterClass ;
import org.junit.Assert ;
import org.junit.BeforeClass ;
import org.junit.Test ;

public class TestListStatements
{
	private static Model m;
	private static Resource s;
	private static Property p;

	@BeforeClass
	public static void setUpBeforeClass()
	{
		TestListStatements.m = ModelFactory.createDefaultModel();
		final Resource s = TestListStatements.m
				.createResource("http://www.a.com/s");
		final Property p = TestListStatements.m
				.createProperty("http://www.a.com/p");

		TestListStatements.m.add(s, p,
				TestListStatements.m.createResource("http://www.a.com/o"));
		TestListStatements.m.add(s, p, "texte", "fr");
		TestListStatements.m.add(s, p, "text", "en");
		TestListStatements.m.add(s, p, "text");
		TestListStatements.m.add(TestListStatements.m.createLiteralStatement(s,
				p, 1789));
	}

	public static junit.framework.Test suite()
	{
		return new JUnit4TestAdapter(TestListStatements.class);
	}

	@AfterClass
	public static void tearDownAfterClass()
	{
		TestListStatements.m = null;
		TestListStatements.s = null;
		TestListStatements.p = null;
	}

	@Test
	public final void thereAre2LitsWoLang()
	{
		final StmtIterator it = TestListStatements.m.listStatements(
				TestListStatements.s, TestListStatements.p, null, "");
		Assert.assertTrue(it.toList().size() == 2);
	}

	@Test
	public final void thereAre4Literals()
	{
		final StmtIterator it = TestListStatements.m.listStatements(
				TestListStatements.s, TestListStatements.p, null, null);
		Assert.assertTrue(it.toList().size() == 4);
	}

	@Test
	public final void thereIsOneFrench()
	{
		final StmtIterator it = TestListStatements.m.listStatements(
				TestListStatements.s, TestListStatements.p, null, "fr");
		final List<Statement> lis = it.toList();
		Assert.assertTrue(lis.size() == 1);
		Assert.assertTrue(lis.get(0).getObject().toString().equals("texte@fr"));
	}

	@Test
	public final void theresAreTwoText()
	{
		final StmtIterator it = TestListStatements.m.listStatements(
				TestListStatements.s, TestListStatements.p, "text", null);
		final List<Statement> lis = it.toList();
		Assert.assertTrue(lis.size() == 2);
	}

	@Test
	public final void theresOneTextEN()
	{
		final StmtIterator it = TestListStatements.m.listStatements(
				TestListStatements.s, TestListStatements.p, "text", "en");
		final List<Statement> lis = it.toList();
		Assert.assertTrue(lis.size() == 1);
		Assert.assertTrue(lis.get(0).getObject().toString().equals("text@en"));
	}

	@Test
	public final void theresOneTextWoLang()
	{
		final StmtIterator it = TestListStatements.m.listStatements(
				TestListStatements.s, TestListStatements.p, "text", "");
		final List<Statement> lis = it.toList();
		Assert.assertTrue(lis.size() == 1);
	}
	
	@Test
	public final void theresOneWithABNodeObject()
	{
	    Model m = ModelFactory.createDefaultModel();
	    Resource anon = m.createResource();
	    m.createResource("http://example").addProperty(RDF.type, anon);
	    
	    StmtIterator it = m.listStatements(null, null, anon);
	    final List<Statement> lis = it.toList();
	    Assert.assertTrue(lis.size() == 1);
	    
	}
}