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JettyWebSocketFilterTest.java
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JettyWebSocketFilterTest.java
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//
// ========================================================================
// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under
// the terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0
//
// This Source Code may also be made available under the following
// Secondary Licenses when the conditions for such availability set
// forth in the Eclipse Public License, v. 2.0 are satisfied:
// the Apache License v2.0 which is available at
// https://www.apache.org/licenses/LICENSE-2.0
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.websocket.tests;
import java.net.URI;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import javax.servlet.http.HttpServlet;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.servlet.FilterHolder;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.client.WebSocketClient;
import org.eclipse.jetty.websocket.server.JettyWebSocketServerContainer;
import org.eclipse.jetty.websocket.server.config.JettyWebSocketServletContainerInitializer;
import org.eclipse.jetty.websocket.util.server.WebSocketUpgradeFilter;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class JettyWebSocketFilterTest
{
private Server server;
private ServerConnector connector;
private WebSocketClient client;
private ServletContextHandler contextHandler;
public void start(JettyWebSocketServletContainerInitializer.Configurator configurator) throws Exception
{
start(configurator, null);
}
public void start(ServletHolder servletHolder) throws Exception
{
start(null, servletHolder);
}
public void start(JettyWebSocketServletContainerInitializer.Configurator configurator, ServletHolder servletHolder) throws Exception
{
server = new Server();
connector = new ServerConnector(server);
server.addConnector(connector);
contextHandler = new ServletContextHandler(ServletContextHandler.SESSIONS);
contextHandler.setContextPath("/");
if (servletHolder != null)
contextHandler.addServlet(servletHolder, "/");
server.setHandler(contextHandler);
JettyWebSocketServletContainerInitializer.configure(contextHandler, configurator);
server.start();
client = new WebSocketClient();
client.start();
}
@AfterEach
public void stop() throws Exception
{
client.stop();
server.stop();
}
@Test
public void testWebSocketUpgradeFilter() throws Exception
{
start((context, container) -> container.addMapping("/", EchoSocket.class));
// After mapping is added we have an UpgradeFilter.
assertThat(contextHandler.getServletHandler().getFilters().length, is(1));
FilterHolder filterHolder = contextHandler.getServletHandler().getFilter("WebSocketUpgradeFilter");
assertNotNull(filterHolder);
assertThat(filterHolder.getState(), is(AbstractLifeCycle.STARTED));
assertThat(filterHolder.getFilter(), instanceOf(WebSocketUpgradeFilter.class));
// Test we can upgrade to websocket and send a message.
URI uri = URI.create("ws://localhost:" + connector.getLocalPort() + "/filterPath");
EventSocket socket = new EventSocket();
CompletableFuture<Session> connect = client.connect(socket, uri);
try (Session session = connect.get(5, TimeUnit.SECONDS))
{
session.getRemote().sendString("hello world");
}
assertTrue(socket.closeLatch.await(10, TimeUnit.SECONDS));
String msg = socket.textMessages.poll();
assertThat(msg, is("hello world"));
}
@Test
public void testLazyWebSocketUpgradeFilter() throws Exception
{
start(null, null);
// JettyWebSocketServerContainer has already been created.
JettyWebSocketServerContainer container = JettyWebSocketServerContainer.getContainer(contextHandler.getServletContext());
assertNotNull(container);
// We should have no WebSocketUpgradeFilter installed because we have added no mappings.
assertThat(contextHandler.getServletHandler().getFilters().length, is(0));
// After mapping is added we have an UpgradeFilter.
container.addMapping("/", EchoSocket.class);
assertThat(contextHandler.getServletHandler().getFilters().length, is(1));
FilterHolder filterHolder = contextHandler.getServletHandler().getFilter("WebSocketUpgradeFilter");
assertNotNull(filterHolder);
assertThat(filterHolder.getState(), is(AbstractLifeCycle.STARTED));
assertThat(filterHolder.getFilter(), instanceOf(WebSocketUpgradeFilter.class));
// Test we can upgrade to websocket and send a message.
URI uri = URI.create("ws://localhost:" + connector.getLocalPort() + "/filterPath");
EventSocket socket = new EventSocket();
CompletableFuture<Session> connect = client.connect(socket, uri);
try (Session session = connect.get(5, TimeUnit.SECONDS))
{
session.getRemote().sendString("hello world");
}
assertTrue(socket.closeLatch.await(10, TimeUnit.SECONDS));
String msg = socket.textMessages.poll();
assertThat(msg, is("hello world"));
}
@Test
public void testWebSocketUpgradeFilterWhileStarting() throws Exception
{
start(new ServletHolder(new HttpServlet()
{
@Override
public void init()
{
JettyWebSocketServerContainer container = JettyWebSocketServerContainer.getContainer(getServletContext());
if (container == null)
throw new IllegalArgumentException("Missing JettyWebSocketServerContainer");
container.addMapping("/", EchoSocket.class);
}
}));
// After mapping is added we have an UpgradeFilter.
assertThat(contextHandler.getServletHandler().getFilters().length, is(1));
FilterHolder filterHolder = contextHandler.getServletHandler().getFilter("WebSocketUpgradeFilter");
assertNotNull(filterHolder);
assertThat(filterHolder.getState(), is(AbstractLifeCycle.STARTED));
assertThat(filterHolder.getFilter(), instanceOf(WebSocketUpgradeFilter.class));
// Test we can upgrade to websocket and send a message.
URI uri = URI.create("ws://localhost:" + connector.getLocalPort() + "/filterPath");
EventSocket socket = new EventSocket();
CompletableFuture<Session> connect = client.connect(socket, uri);
try (Session session = connect.get(5, TimeUnit.SECONDS))
{
session.getRemote().sendString("hello world");
}
assertTrue(socket.closeLatch.await(10, TimeUnit.SECONDS));
String msg = socket.textMessages.poll();
assertThat(msg, is("hello world"));
}
}