/**
* 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.ldclient.test.youtube;
import org.apache.commons.io.IOUtils;
import org.apache.marmotta.ldclient.api.ldclient.LDClientService;
import org.apache.marmotta.ldclient.model.ClientResponse;
import org.apache.marmotta.ldclient.services.ldclient.LDClient;
import org.apache.marmotta.ldclient.test.helper.TestLDClient;
import org.junit.After;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
import org.openrdf.query.BooleanQuery;
import org.openrdf.query.QueryLanguage;
import org.openrdf.repository.RepositoryConnection;
import org.openrdf.rio.RDFFormat;
import org.openrdf.rio.Rio;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.InputStream;
import java.io.StringWriter;
/**
* Add file description here!
* <p/>
* Author: Sebastian Schaffert (sschaffert@apache.org)
*/
public class TestYoutubeProvider {
private LDClientService ldclient;
private static Logger log = LoggerFactory.getLogger(TestYoutubeProvider.class);
@Before
public void setupClient() {
ldclient = new TestLDClient(new LDClient());
}
@After
public void shutdownClient() {
ldclient.shutdown();
}
final Logger logger =
LoggerFactory.getLogger(this.getClass());
@Rule
public TestWatcher watchman = new TestWatcher() {
/**
* Invoked when a test is about to start
*/
@Override
protected void starting(Description description) {
logger.info("{} being run...", description.getMethodName());
}
};
/**
* This method tests accessing the Youtube Video service via the GData API.
*
* @throws Exception
*/
@Test
public void testVideo() throws Exception {
String uriLMFVideo = "http://youtu.be/_3BmNcHW4Ew";
Assume.assumeTrue(ldclient.ping(uriLMFVideo));
ClientResponse respLMFVideo = ldclient.retrieveResource(uriLMFVideo);
RepositoryConnection conLMFVideo = respLMFVideo.getTriples().getConnection();
conLMFVideo.begin();
Assert.assertTrue(conLMFVideo.size() > 0);
// run a SPARQL test to see if the returned data is correct
InputStream sparql = this.getClass().getResourceAsStream("youtube-lmf-video.sparql");
BooleanQuery testLabel = conLMFVideo.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());
if(log.isDebugEnabled()) {
StringWriter out = new StringWriter();
conLMFVideo.export(Rio.createWriter(RDFFormat.TURTLE, out));
log.debug("DATA:");
log.debug(out.toString());
}
conLMFVideo.commit();
conLMFVideo.close();
}
/**
* This method tests accessing the Youtube Video service via the GData API.
*
* @throws Exception
*/
@Test
public void testVideoPage() throws Exception {
String uriLMFVideo = "http://www.youtube.com/watch?v=_3BmNcHW4Ew";
Assume.assumeTrue(ldclient.ping(uriLMFVideo));
ClientResponse respLMFVideo = ldclient.retrieveResource(uriLMFVideo);
RepositoryConnection conLMFVideo = respLMFVideo.getTriples().getConnection();
conLMFVideo.begin();
Assert.assertTrue(conLMFVideo.size() > 0);
// run a SPARQL test to see if the returned data is correct
InputStream sparql = this.getClass().getResourceAsStream("youtube-lmf-video-page.sparql");
BooleanQuery testLabel = conLMFVideo.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());
if(log.isDebugEnabled()) {
StringWriter out = new StringWriter();
conLMFVideo.export(Rio.createWriter(RDFFormat.TURTLE, out));
log.debug("DATA:");
log.debug(out.toString());
}
conLMFVideo.commit();
conLMFVideo.close();
}
/**
* This method tests accessing the Youtube Video service via the GData API.
*
* @throws Exception
*/
@Test
public void testChannel() throws Exception {
String uriChannel = "http://www.youtube.com/user/dieSpringer";
Assume.assumeTrue(ldclient.ping("http://gdata.youtube.com/feeds/api/users/dieSpringer/uploads"));
ClientResponse respChannel = ldclient.retrieveResource(uriChannel);
RepositoryConnection conChannel = respChannel.getTriples().getConnection();
conChannel.begin();
Assert.assertTrue(conChannel.size() > 0);
// run a SPARQL test to see if the returned data is correct
InputStream sparql = this.getClass().getResourceAsStream("youtube-channel.sparql");
BooleanQuery testLabel = conChannel.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());
if(log.isDebugEnabled()) {
StringWriter out = new StringWriter();
conChannel.export(Rio.createWriter(RDFFormat.TURTLE, out));
log.debug("DATA:");
log.debug(out.toString());
}
conChannel.commit();
conChannel.close();
}
/**
* This method tests accessing the Youtube Video service via the GData API.
*
* @throws Exception
*/
@Test
public void testPlaylist() throws Exception {
String uriPlaylist = "http://www.youtube.com/playlist?list=FLsrORDOimfQf42SDGJgRY4g";
Assume.assumeTrue(ldclient.ping("http://gdata.youtube.com/feeds/api/playlists/FLsrORDOimfQf42SDGJgRY4g"));
ClientResponse respPlaylist = ldclient.retrieveResource(uriPlaylist);
RepositoryConnection conPlaylist = respPlaylist.getTriples().getConnection();
conPlaylist.begin();
Assert.assertTrue(conPlaylist.size() > 0);
conPlaylist.export(Rio.createWriter(RDFFormat.TURTLE, System.out));
// run a SPARQL test to see if the returned data is correct
InputStream sparql = this.getClass().getResourceAsStream("youtube-playlist.sparql");
BooleanQuery testLabel = conPlaylist.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());
if(log.isDebugEnabled()) {
StringWriter out = new StringWriter();
conPlaylist.export(Rio.createWriter(RDFFormat.TURTLE, out));
log.debug("DATA:");
log.debug(out.toString());
}
conPlaylist.commit();
conPlaylist.close();
}
}