com.kurento.kmf.media.HttpGetEndpointAsyncTest.java Source code

Introduction

Here is the source code for com.kurento.kmf.media.HttpGetEndpointAsyncTest.java

Source

/*
 * (C) Copyright 2013 Kurento (http://kurento.org/)
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 */
package com.kurento.kmf.media;

import static com.kurento.kmf.media.SyncMediaServerTest.URL_SMALL;
import static java.util.concurrent.TimeUnit.MILLISECONDS;

import java.io.IOException;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Semaphore;

import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;

import com.kurento.kmf.common.exception.KurentoMediaFrameworkException;
import com.kurento.kmf.media.events.EndOfStreamEvent;
import com.kurento.kmf.media.events.MediaEventListener;
import com.kurento.kmf.media.events.MediaSessionStartedEvent;
import com.kurento.kmf.media.events.MediaSessionTerminatedEvent;

/**
 * {@link HttpGetEndpoint} test suite.
 * 
 * <p>
 * Methods tested:
 * <ul>
 * <li>{@link HttpGetEndpoint#getUrl()}
 * </ul>
 * <p>
 * Events tested:
 * <ul>
 * <li>
 * {@link HttpGetEndpoint#addMediaSessionStartedListener(MediaEventListener)}
 * <li>
 * {@link HttpGetEndpoint#addMediaSessionTerminatedListener(MediaEventListener)}
 * </ul>
 * 
 * 
 * @author Ivan Gracia (igracia@gsyc.es)
 * @version 1.0.0
 * 
 */
public class HttpGetEndpointAsyncTest extends AbstractAsyncBaseTest {

    private HttpGetEndpoint httpEp;

    @Before
    public void setup() throws InterruptedException {
        final Semaphore sem = new Semaphore(0);
        pipeline.newHttpGetEndpoint().buildAsync(new Continuation<HttpGetEndpoint>() {

            @Override
            public void onSuccess(HttpGetEndpoint result) {
                httpEp = result;
                sem.release();
            }

            @Override
            public void onError(Throwable cause) {
                throw new KurentoMediaFrameworkException(cause);
            }
        });
        Assert.assertTrue(sem.tryAcquire(500, MILLISECONDS));
    }

    @After
    public void teardown() throws InterruptedException {
        releaseMediaObject(httpEp);
    }

    /**
     * Checks that the getUrl method does not return an empty string
     * 
     * @throws InterruptedException
     */
    @Test
    public void testMethodGetUrl() throws InterruptedException {
        final BlockingQueue<String> events = new ArrayBlockingQueue<String>(1);
        httpEp.getUrl(new Continuation<String>() {

            @Override
            public void onSuccess(String result) {
                events.add(result);
            }

            @Override
            public void onError(Throwable cause) {
                throw new KurentoMediaFrameworkException(cause);
            }
        });

        String url = events.poll(500, MILLISECONDS);
        Assert.assertTrue(!(url == null || url.isEmpty()));
    }

    /**
     * Test for {@link MediaSessionStartedEvent}
     * 
     * @throws InterruptedException
     */
    @Test
    public void testEventMediaSessionStarted() throws InterruptedException {

        final PlayerEndpoint player = pipeline.newPlayerEndpoint(URL_SMALL).build();
        player.connect(httpEp);

        final CountDownLatch eosLatch = new CountDownLatch(1);
        player.addEndOfStreamListener(new MediaEventListener<EndOfStreamEvent>() {

            @Override
            public void onEvent(EndOfStreamEvent event) {
                eosLatch.countDown();
            }
        });

        final BlockingQueue<ListenerRegistration> events = new ArrayBlockingQueue<ListenerRegistration>(1);
        httpEp.addMediaSessionStartedListener(new MediaEventListener<MediaSessionStartedEvent>() {

            @Override
            public void onEvent(MediaSessionStartedEvent event) {
                player.play();
            }
        }, new Continuation<ListenerRegistration>() {

            @Override
            public void onSuccess(ListenerRegistration result) {
                events.add(result);
            }

            @Override
            public void onError(Throwable cause) {
                throw new KurentoMediaFrameworkException(cause);
            }
        });

        ListenerRegistration reg = events.poll(500, MILLISECONDS);
        Assert.assertNotNull(reg);

        DefaultHttpClient httpclient = new DefaultHttpClient();
        try {
            // This should trigger MediaSessionStartedEvent
            httpclient.execute(new HttpGet(httpEp.getUrl()));
        } catch (ClientProtocolException e) {
            throw new KurentoMediaFrameworkException(e);
        } catch (IOException e) {
            throw new KurentoMediaFrameworkException(e);
        }

        try {
            eosLatch.await(500, MILLISECONDS);
        } catch (InterruptedException e) {
            player.release();
            throw new KurentoMediaFrameworkException(e);
        }

    }

    /**
     * Test for {@link MediaSessionTerminatedEvent}
     */
    @Ignore
    @Test
    public void testEventMediaSessionTerminated() {
        // TODO how to test this event?
    }

}