add test for HttpSession.Accessor with WebSocket

jetty-ee11/jetty-ee11-websocket/jetty-ee11-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee11/websocket/tests/HttpSessionTest.java

@@ -0,0 +1,141 @@
+//
+// ========================================================================
+// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+// 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.ee11.websocket.tests;
+
+import java.net.URI;
+import java.util.concurrent.TimeUnit;
+
+import jakarta.servlet.http.HttpSession;
+import org.eclipse.jetty.ee11.servlet.ServletContextHandler;
+import org.eclipse.jetty.ee11.websocket.server.config.JettyWebSocketServletContainerInitializer;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.ServerConnector;
+import org.eclipse.jetty.websocket.api.Callback;
+import org.eclipse.jetty.websocket.api.Session;
+import org.eclipse.jetty.websocket.api.StatusCode;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketOpen;
+import org.eclipse.jetty.websocket.api.annotations.WebSocket;
+import org.eclipse.jetty.websocket.client.WebSocketClient;
+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.equalTo;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class HttpSessionTest
+{
+    private Server _server;
+    private ServerConnector _connector;
+    private WebSocketClient _client;
+
+    @WebSocket
+    public static class HttpSessionEndpoint
+    {
+        private final HttpSession.Accessor accessor;
+
+        public HttpSessionEndpoint(HttpSession.Accessor accessor)
+        {
+            this.accessor = accessor;
+        }
+
+        @OnWebSocketOpen
+        public void onOpen(Session session)
+        {
+            accessor.access(httpSession -> httpSession.setAttribute("session", "setByOnOpen"));
+        }
+
+        @OnWebSocketMessage
+        public void onMessage(Session session, String message)
+        {
+            if ("onOpenAttribute".equals(message))
+            {
+                try
+                {
+                    accessor.access(httpSession ->
+                    {
+                        String value = (String)httpSession.getAttribute("session");
+                        session.sendText(value, Callback.NOOP);
+                    });
+                }
+                catch (Throwable t)
+                {
+                    session.sendText(t.getMessage(), Callback.NOOP);
+                }
+            }
+            else if ("invalidate".equals(message))
+            {
+                accessor.access(HttpSession::invalidate);
+                session.sendText("success", Callback.NOOP);
+            }
+        }
+    }
+
+    @BeforeEach
+    public void before() throws Exception
+    {
+        _server = new Server();
+        _connector = new ServerConnector(_server);
+        _server.addConnector(_connector);
+
+        ServletContextHandler contextHandler = new ServletContextHandler("/", true, false);
+        JettyWebSocketServletContainerInitializer.configure(contextHandler, ((servletContext, serverContainer) ->
+        {
+            serverContainer.addMapping("/", (req, resp) ->
+            {
+                HttpSession.Accessor accessor = req.getHttpServletRequest().getSession(true).getAccessor();
+                return new HttpSessionEndpoint(accessor);
+            });
+        }));
+        _server.setHandler(contextHandler);
+        _server.start();
+
+        _client = new WebSocketClient();
+        _client.start();
+    }
+
+    @AfterEach
+    public void after() throws Exception
+    {
+        _client.stop();
+        _server.stop();
+    }
+
+    @Test
+    public void testHttpSessionAfterWebSocketUpgrade() throws Exception
+    {
+        EventSocket clientEndpoint = new EventSocket();
+        URI uri = URI.create("ws://localhost:" + _connector.getLocalPort());
+        Session session = _client.connect(clientEndpoint, uri).get();
+
+        session.sendText("onOpenAttribute", Callback.NOOP);
+        String receivedMessage = clientEndpoint.textMessages.poll(5, TimeUnit.SECONDS);
+        assertThat(receivedMessage, equalTo("setByOnOpen"));
+
+        session.sendText("invalidate", Callback.NOOP);
+        receivedMessage = clientEndpoint.textMessages.poll(5, TimeUnit.SECONDS);
+        assertThat(receivedMessage, equalTo("success"));
+
+        session.sendText("onOpenAttribute", Callback.NOOP);
+        receivedMessage = clientEndpoint.textMessages.poll(5, TimeUnit.SECONDS);
+        assertThat(receivedMessage, equalTo("Invalid session"));
+
+        session.close();
+        assertTrue(clientEndpoint.closeLatch.await(5, TimeUnit.SECONDS));
+        assertThat(clientEndpoint.closeCode, equalTo(StatusCode.NORMAL));
+        assertThat(clientEndpoint.closeReason, equalTo(null));
+    }
+}