/*
* Copyright (c) xlightweb.org, 2008 - 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
* The latest copy of this software may be found on http://www.xlightweb.org/
*/
package org.xlightweb;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import junit.framework.Assert;
import org.junit.Test;
import org.xlightweb.client.HttpClient;
import org.xlightweb.server.HttpServer;
/**
*
* @author grro@xlightweb.org
*/
public final class ServerSentEventHandlerTest {
@Test
public void testSync() throws Exception {
class MyHttpRequestHandler implements IHttpRequestHandler {
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
IHttpRequest request = exchange.getRequest();
if (request.getAccept().contains(new ContentType("text/event-stream"))) {
BodyDataSink ds = exchange.send(new HttpResponseHeader(200, "text/event-stream"));
Event event = new Event();
event.setComment("test stream");
ds.write(event.toString());
ds.write(new Event("first event", "1").toString());
ds.write(new Event("second event", "2").toString());
ds.close();
} else {
exchange.forward(request);
}
}
};
HttpServer server = new HttpServer(new MyHttpRequestHandler());
server.start();
HttpClient client = new HttpClient();
IEventDataSource eventSource = client.openEventDataSource("http://localhost:" + server.getLocalPort() + "/Events", false);
Assert.assertEquals("test stream", eventSource.readMessage().getComment());
Assert.assertEquals("first event", eventSource.readMessage().getData());
Assert.assertEquals("second event", eventSource.readMessage().getData());
eventSource.close();
client.close();
server.close();
}
@Test
public void testAsync() throws Exception {
IHttpRequestHandler hdl = new IHttpRequestHandler() {
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
BodyDataSink ds = exchange.send(new HttpResponseHeader(200, "text/event-stream"));
Event event = new Event();
event.setComment("test stream");
ds.write(event.toString());
ds.write(new Event("first event", "1").toString());
ds.write(new Event("second event", "1").toString());
}
};
HttpServer server = new HttpServer(hdl);
server.start();
HttpClient client = new HttpClient();
EventHandler eventHandler = new EventHandler();
client.openEventDataSource("http://localhost:" + server.getLocalPort() + "/Events", false, eventHandler);
QAUtil.sleep(1000);
List<Event> webEvents = eventHandler.getWebEvents();
Assert.assertEquals("test stream", webEvents.get(0).getComment());
Assert.assertEquals("first event", webEvents.get(1).getData());
Assert.assertEquals("second event", webEvents.get(2).getData());
client.close();
server.close();
}
private static final class EventHandler implements IEventHandler {
private final AtomicBoolean isDisconnected = new AtomicBoolean(false);
private final List<Event> webEvents = Collections.synchronizedList(new ArrayList<Event>());
public void onConnect(IEventDataSource webEventDataSource) throws IOException {
}
public void onMessage(IEventDataSource webEventDataSource) throws IOException {
Event event = webEventDataSource.readMessage();
webEvents.add(event);
}
public void onDisconnect(IEventDataSource webEventDataSource) throws IOException {
isDisconnected.set(true);
}
boolean isDisconnected() {
return isDisconnected.get();
}
List<Event> getWebEvents() {
return webEvents;
}
}
}