/*
* 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.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import junit.framework.Assert;
import org.junit.Test;
import org.xlightweb.client.HttpClient;
import org.xlightweb.client.HttpClient;
import org.xlightweb.server.HttpServer;
/**
*
* @author grro@xlightweb.org
*/
public final class ServerSentEventsTest {
public static void main(String[] args) throws Exception {
QAUtil.setLogLevel(Level.FINE);
for (int i = 0; i < 1000; i++) {
new ServerSentEventsTest().testReconnect();
}
}
@Test
public void testSimple() throws Exception {
IHttpRequestHandler hdl = new IHttpRequestHandler() {
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
BodyDataSink ds = exchange.send(new HttpResponseHeader(200, "text/event-stream"));
ds.write("data: first line \ndata: second line \n\n");
ds.write(": test stream \n\n");
ds.write(" : test stream \n\n");
ds.write("data: very first event \n\n");
ds.write(" data: very second event\n\n");
ds.write("data :very third event\n\n");
ds.write("event: test event\n data: first line\ndata: second line \n\n");
}
};
HttpServer server = new HttpServer(hdl);
server.start();
HttpClient client = new HttpClient();
GetRequest request = new GetRequest("http://localhost:" + server.getLocalPort() + "/Events");
request.setHeader("Accept", "text/event-stream");
IHttpResponse response = client.call(request);
BodyDataSource body = response.getBody();
Assert.assertEquals(200, response.getStatus());
Event event = Event.parse(body.readStringByDelimiter("\n\n"));
Assert.assertEquals("first line second line ", event.getData());
event = Event.parse(body.readStringByDelimiter("\n\n"));
Assert.assertEquals("test stream ", event.getComment());
event = Event.parse(body.readStringByDelimiter("\n\n"));
event = Event.parse(body.readStringByDelimiter("\n\n"));
Assert.assertEquals("very first event ", event.getData());
event = Event.parse(body.readStringByDelimiter("\n\n"));
Assert.assertEquals("very second event", event.getData());
event = Event.parse(body.readStringByDelimiter("\n\n"));
Assert.assertEquals("very third event", event.getData());
event = Event.parse(body.readStringByDelimiter("\n\n"));
Assert.assertEquals("test event", event.getEventname());
Assert.assertEquals("first linesecond line ", event.getData());
}
@Test
public void testReconnect() throws Exception {
IHttpRequestHandler hdl = new IHttpRequestHandler() {
private AtomicInteger numRequests = new AtomicInteger(0);
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
BodyDataSink ds = exchange.send(new HttpResponseHeader(200, "text/event-stream"));
ds.write("data: " + numRequests.incrementAndGet() + "\n");
ds.write("id: 4\n");
if (numRequests.get() == 1) {
ds.destroy();
} else {
ds.write("\n");
}
}
};
HttpServer server = new HttpServer(hdl);
server.start();
HttpClient client = new HttpClient();
IEventDataSource ds = client.openEventDataSource("http://localhost:" + server.getLocalPort() + "/Events");
ds.setReconnectionTimeMillis(1000);
Event ev = ds.readMessage();
Assert.assertEquals("2", ev.getData());
Assert.assertEquals(1, ds.getNumReconnects());
client.close();
server.close();
}
}