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Issue #6050 - Bring PermessageDeflateBufferTest to Jetty 10.
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Signed-off-by: Lachlan Roberts <lachlan@webtide.com>
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lachlan-roberts committed Mar 17, 2021
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//
// ========================================================================
// Copyright (c) 1995-2021 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//

package org.eclipse.jetty.websocket.tests;

import java.net.URI;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import java.util.concurrent.TimeUnit;

import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
import org.eclipse.jetty.websocket.client.WebSocketClient;
import org.eclipse.jetty.websocket.server.config.JettyWebSocketServletContainerInitializer;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class PermessageDeflateBufferTest
{
private Server server;
private ServerConnector connector;
private WebSocketClient client;

// @checkstyle-disable-check : AvoidEscapedUnicodeCharactersCheck
private static final List<String> DICT = Arrays.asList(
"\uD83C\uDF09",
"\uD83C\uDF0A",
"\uD83C\uDF0B",
"\uD83C\uDF0C",
"\uD83C\uDF0D",
"\uD83C\uDF0F",
"\uD83C\uDFC0",
"\uD83C\uDFC1",
"\uD83C\uDFC2",
"\uD83C\uDFC3",
"\uD83C\uDFC4",
"\uD83C\uDFC5"
);

private static String randomText()
{
Random rnd = new Random();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 15000; i++)
{
sb.append(DICT.get(rnd.nextInt(DICT.size())));
}
return sb.toString();
}

@BeforeEach
public void before() throws Exception
{
server = new Server();
connector = new ServerConnector(server);
server.addConnector(connector);

ServletContextHandler contextHandler = new ServletContextHandler(ServletContextHandler.SESSIONS);
contextHandler.setContextPath("/");
server.setHandler(contextHandler);
JettyWebSocketServletContainerInitializer.configure(contextHandler, (context, container) ->
{
container.setMaxTextMessageSize(65535);
container.setInputBufferSize(16384);
container.addMapping("/", ServerSocket.class);
});

server.start();
client = new WebSocketClient();
client.start();
}

@AfterEach
public void after() throws Exception
{
client.stop();
server.stop();
}

@WebSocket
public static class ServerSocket extends EchoSocket
{
@Override
public void onError(Throwable cause)
{
cause.printStackTrace();
super.onError(cause);
}
}

@Test
public void testPermessageDeflateAggregation() throws Exception
{
EventSocket socket = new EventSocket();
ClientUpgradeRequest clientUpgradeRequest = new ClientUpgradeRequest();
clientUpgradeRequest.addExtensions("permessage-deflate");

URI uri = URI.create("ws://localhost:" + connector.getLocalPort());
Session session = client.connect(socket, uri, clientUpgradeRequest).get(5, TimeUnit.SECONDS);

String s = randomText();
session.getRemote().sendString(s);
assertThat(socket.textMessages.poll(5, TimeUnit.SECONDS), is(s));

session.close();
assertTrue(socket.closeLatch.await(5, TimeUnit.SECONDS));
}
}

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