/**
* 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.marmotta.ldpath.model.functions.date;
import java.io.IOException;
import java.util.Collection;
import java.util.Date;
import java.util.Random;
import org.apache.marmotta.ldpath.model.fields.FieldMapping;
import org.apache.marmotta.ldpath.parser.ParseException;
import org.apache.marmotta.ldpath.parser.LdPathParser;
import org.apache.marmotta.ldpath.test.AbstractTestBase;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.openrdf.model.URI;
import org.openrdf.model.Value;
import org.openrdf.model.ValueFactory;
import org.openrdf.repository.RepositoryException;
import org.openrdf.repository.sail.SailRepositoryConnection;
import org.openrdf.rio.RDFParseException;
import org.apache.marmotta.commons.util.DateUtils;
public class DateFunctionsTest extends AbstractTestBase {
private Date now;
private Date first;
private URI uri;
private URI prop;
@Before
public void loadData() throws RepositoryException, RDFParseException, IOException {
final int delta = 60 * 60 * 24 * 365;
now = new Date(1000*(System.currentTimeMillis() / 1000));
first = new Date(now.getTime() - 1000l * delta);
uri = repository.getValueFactory().createURI(NSS.get("ex") + now.getTime());
prop = repository.getValueFactory().createURI(NSS.get("foo") + "hasPiH"); // Point in History
final SailRepositoryConnection con = repository.getConnection();
try {
final ValueFactory vF = con.getValueFactory();
con.add(vF.createStatement(uri, prop, vF.createLiteral(DateUtils.getXMLCalendar(first))));
con.add(vF.createStatement(uri, prop, vF.createLiteral(DateUtils.getXMLCalendar(now))));
final Random rnd = new Random();
for (int i = 0; i < 20; i++) {
Date d = new Date(first.getTime() + rnd.nextInt(delta) * 1000l);
con.add(vF.createStatement(uri, prop, vF.createLiteral(DateUtils.getXMLCalendar(d))));
}
con.commit();
} finally {
con.close();
}
}
@Test
public void testEarliest() throws ParseException {
final LdPathParser<Value> parser = createParserFromString("fn:earliest(<" + prop.stringValue() + ">) :: xsd:dateTime");
final FieldMapping<Object, Value> rule = parser.parseRule(NSS);
final Collection<Object> result = rule.getValues(backend, uri);
Assert.assertEquals(1, result.size());
final Object obj = result.iterator().next();
Assert.assertEquals(first, obj);
}
@Test
public void testLatest() throws ParseException {
final LdPathParser<Value> parser = createParserFromString("fn:latest(<" + prop.stringValue() + ">) :: xsd:dateTime");
final FieldMapping<Object, Value> rule = parser.parseRule(NSS);
final Collection<Object> result = rule.getValues(backend, uri);
Assert.assertEquals(1, result.size());
final Object obj = result.iterator().next();
Assert.assertEquals(now, obj);
}
}