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How to use ReceiveLoopAsync method of Microsoft.Playwright.Tests.TestServer.SimpleServer class
Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.TestServer.SimpleServer.ReceiveLoopAsync
SimpleServer.cs
Source:SimpleServer.cs 
...107 if (_onWebSocketConnectionData != null)108 {109 await webSocket.SendAsync(_onWebSocketConnectionData, WebSocketMessageType.Text, true, CancellationToken.None).ConfigureAwait(false);110 }111 await ReceiveLoopAsync(webSocket, context.Request.Headers["User-Agent"].ToString().Contains("Firefox"), CancellationToken.None).ConfigureAwait(false);112 }113 else if (!context.Response.HasStarted)114 {115 context.Response.StatusCode = 400;116 }117 return;118 }119 if (_auths.TryGetValue(context.Request.Path, out var auth) && !Authenticate(auth.username, auth.password, context))120 {121 context.Response.Headers.Add("WWW-Authenticate", "Basic realm=\"Secure Area\"");122 if (!context.Response.HasStarted)123 {124 context.Response.StatusCode = StatusCodes.Status401Unauthorized;125 }126 await context.Response.WriteAsync("HTTP Error 401 Unauthorized: Access is denied").ConfigureAwait(false);127 }128 if (_subscribers.TryGetValue(context.Request.Path, out var subscriber))129 {130 subscriber(context);131 }132 if (_requestWaits.TryGetValue(context.Request.Path, out var requestWait))133 {134 requestWait(context);135 }136 if (_routes.TryGetValue(context.Request.Path + context.Request.QueryString, out var handler))137 {138 await handler(context).ConfigureAwait(false);139 return;140 }141 if (142 context.Request.Path.ToString().Contains("/cached/") &&143 !string.IsNullOrEmpty(context.Request.Headers["if-modified-since"]) &&144 !context.Response.HasStarted)145 {146 context.Response.StatusCode = StatusCodes.Status304NotModified;147 }148 await next().ConfigureAwait(false);149 })150 .UseMiddleware<SimpleCompressionMiddleware>(this)151 .UseStaticFiles(new StaticFileOptions152 {153 OnPrepareResponse = fileResponseContext =>154 {155 if (_csp.TryGetValue(fileResponseContext.Context.Request.Path, out string csp))156 {157 fileResponseContext.Context.Response.Headers["Content-Security-Policy"] = csp;158 }159 if (fileResponseContext.Context.Request.Path.ToString().EndsWith(".html"))160 {161 fileResponseContext.Context.Response.Headers["Content-Type"] = "text/html; charset=utf-8";162 if (fileResponseContext.Context.Request.Path.ToString().Contains("/cached/"))163 {164 fileResponseContext.Context.Response.Headers["Cache-Control"] = "public, max-age=31536000, no-cache";165 fileResponseContext.Context.Response.Headers["Last-Modified"] = DateTime.Now.ToString("s");166 }167 else168 {169 fileResponseContext.Context.Response.Headers["Cache-Control"] = "no-cache, no-store";170 }171 }172 }173 }))174 .UseKestrel(options =>175 {176 if (isHttps)177 {178 var cert = new X509Certificate2("key.pfx", "aaaa");179 options.Listen(IPAddress.Loopback, port, listenOptions => listenOptions.UseHttps(cert));180 }181 else182 {183 options.Listen(IPAddress.Loopback, port);184 }185 options.Limits.MaxRequestBodySize = int.MaxValue;186 })187 .UseContentRoot(contentRoot)188 .ConfigureServices((builder, services) =>189 {190 services.Configure<FormOptions>(o =>191 {192 o.MultipartBodyLengthLimit = int.MaxValue;193 });194 })195 .Build();196 }197 public void SetAuth(string path, string username, string password) => _auths.Add(path, (username, password));198 public void SetCSP(string path, string csp) => _csp.Add(path, csp);199 public Task StartAsync() => _webHost.StartAsync();200 public Task StopAsync()201 {202 Reset();203 return _webHost.StopAsync();204 }205 public void Reset()206 {207 _routes.Clear();208 _auths.Clear();209 _csp.Clear();210 _subscribers.Clear();211 _requestWaits.Clear();212 GzipRoutes.Clear();213 _onWebSocketConnectionData = null;214 foreach (var subscriber in _subscribers.Values)215 {216 subscriber(null);217 }218 _subscribers.Clear();219 }220 public void EnableGzip(string path) => GzipRoutes.Add(path);221 public void SetRoute(string path, RequestDelegate handler) => _routes[path] = handler;222 public void SendOnWebSocketConnection(string data) => _onWebSocketConnectionData = Encoding.UTF8.GetBytes(data);223 public void SetRedirect(string from, string to) => SetRoute(from, context =>224 {225 context.Response.Redirect(to);226 return Task.CompletedTask;227 });228 public void Subscribe(string path, Action<HttpContext> action)229 => _subscribers.Add(path, action);230 public async Task<T> WaitForRequest<T>(string path, Func<HttpRequest, T> selector)231 {232 var taskCompletion = new TaskCompletionSource<T>();233 _requestWaits.Add(path, context =>234 {235 taskCompletion.SetResult(selector(context.Request));236 });237 var request = await taskCompletion.Task.ConfigureAwait(false);238 _requestWaits.Remove(path);239 return request;240 }241 public Task WaitForRequest(string path) => WaitForRequest(path, _ => true);242 public async Task<HttpRequest> WaitForWebSocketConnectionRequest()243 {244 var taskCompletion = new TaskCompletionSource<HttpRequest>();245 void entryCb(HttpContext context)246 {247 taskCompletion.SetResult(context.Request);248 };249 _waitForWebSocketConnectionRequestsWaits.Add(entryCb);250 var request = await taskCompletion.Task.ConfigureAwait(false);251 _waitForWebSocketConnectionRequestsWaits.Remove(entryCb);252 return request;253 }254 private static bool Authenticate(string username, string password, HttpContext context)255 {256 string authHeader = context.Request.Headers["Authorization"];257 if (authHeader != null && authHeader.StartsWith("Basic", StringComparison.Ordinal))258 {259 string encodedUsernamePassword = authHeader.Substring("Basic ".Length).Trim();260 var encoding = Encoding.GetEncoding("iso-8859-1");261 string auth = encoding.GetString(Convert.FromBase64String(encodedUsernamePassword));262 return auth == $"{username}:{password}";263 }264 return false;265 }266 private async Task ReceiveLoopAsync(WebSocket webSocket, bool sendCloseMessage, CancellationToken token)267 {268 int connectionId = NextConnectionId();269 _clients.Add(connectionId, webSocket);270 byte[] buffer = new byte[MaxMessageSize];271 try272 {273 while (true)274 {275 var result = await webSocket.ReceiveAsync(new(buffer), token).ConfigureAwait(false);276 if (result.MessageType == WebSocketMessageType.Close)277 {278 if (sendCloseMessage)279 {280 await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "Close", CancellationToken.None).ConfigureAwait(false);...
ReceiveLoopAsync
Using AI Code Generation
1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var context = await browser.NewContextAsync();4var page = await context.NewPageAsync();5var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();6await server.StartAsync();7await page.GotoAsync(server.Prefix + "/empty.html");8await server.ReceiveLoopAsync(page);9await server.StopAsync();10await browser.CloseAsync();11var playwright = await Playwright.CreateAsync();12var browser = await playwright.Chromium.LaunchAsync();13var context = await browser.NewContextAsync();14var page = await context.NewPageAsync();15var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();16await server.StartAsync();17await page.GotoAsync(server.Prefix + "/empty.html");18server.ReceiveLoop(page);19await server.StopAsync();20await browser.CloseAsync();21var playwright = await Playwright.CreateAsync();22var browser = await playwright.Chromium.LaunchAsync();23var context = await browser.NewContextAsync();24var page = await context.NewPageAsync();25var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();26await server.StartAsync();27await page.GotoAsync(server.Prefix + "/empty.html");28await server.ReceiveLoopAsync(page);29await server.StopAsync();30await browser.CloseAsync();31var playwright = await Playwright.CreateAsync();32var browser = await playwright.Chromium.LaunchAsync();33var context = await browser.NewContextAsync();34var page = await context.NewPageAsync();35var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();36await server.StartAsync();37await page.GotoAsync(server.Prefix + "/empty.html");38server.ReceiveLoop(page);39await server.StopAsync();40await browser.CloseAsync();41var playwright = await Playwright.CreateAsync();42var browser = await playwright.Chromium.LaunchAsync();43var context = await browser.NewContextAsync();44var page = await context.NewPageAsync();45var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();46await server.StartAsync();
ReceiveLoopAsync
Using AI Code Generation
1using Microsoft.Playwright.Tests.TestServer;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var server = new SimpleServer();9 server.Start();10 await server.ReceiveLoopAsync();11 Console.WriteLine("Press any key to exit");12 Console.ReadKey();13 }14 }15}16using Microsoft.Playwright.Tests.TestServer;17using System;18using System.Threading.Tasks;19{20 {21 static async Task Main(string[] args)22 {23 var server = new SimpleServer();24 server.Start();25 await server.ReceiveLoopAsync();26 Console.WriteLine("Press any key to exit");27 Console.ReadKey();28 }29 }30}31using Microsoft.Playwright.Tests.TestServer;32using System;33using System.Threading.Tasks;34{35 {36 static async Task Main(string[] args)37 {38 var server = new SimpleServer();39 server.Start();40 await server.ReceiveLoopAsync();41 Console.WriteLine("Press any key to exit");42 Console.ReadKey();43 }44 }45}46using Microsoft.Playwright.Tests.TestServer;47using System;48using System.Threading.Tasks;49{50 {51 static async Task Main(string[] args)52 {53 var server = new SimpleServer();54 server.Start();55 await server.ReceiveLoopAsync();56 Console.WriteLine("Press any key to exit");57 Console.ReadKey();58 }59 }60}61using Microsoft.Playwright.Tests.TestServer;62using System;63using System.Threading.Tasks;64{65 {66 static async Task Main(string[] args)67 {68 var server = new SimpleServer();69 server.Start();70 await server.ReceiveLoopAsync();71 Console.WriteLine("Press any key to exit");72 Console.ReadKey();73 }74 }75}
ReceiveLoopAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests.TestServer;5{6 {7 static async Task Main(string[] args)8 {9 var server = new SimpleServer();10 var port = server.Port;11 await using var playwright = await Playwright.CreateAsync();12 await using var browser = await playwright.Chromium.LaunchAsync();13 await using var context = await browser.NewContextAsync();14 await using var page = await context.NewPageAsync();15 var response = await page.WaitForResponseAsync("**/*");16 Console.WriteLine(response.Url);17 }18 }19}20using System;21using System.Threading.Tasks;22using Microsoft.Playwright;23using Microsoft.Playwright.Tests.TestServer;24{25 {26 static async Task Main(string[] args)27 {28 var server = new SimpleServer();29 var port = server.Port;30 await using var playwright = await Playwright.CreateAsync();31 await using var browser = await playwright.Chromium.LaunchAsync();32 await using var context = await browser.NewContextAsync();33 await using var page = await context.NewPageAsync();34 var response = await page.WaitForResponseAsync("**/*");35 var text = await response.TextAsync();36 Console.WriteLine(text);37 }38 }39}40using System;41using System.Threading.Tasks;42using Microsoft.Playwright;43using Microsoft.Playwright.Tests.TestServer;44{45 {46 static async Task Main(string[] args)47 {48 var server = new SimpleServer();49 var port = server.Port;50 await using var playwright = await Playwright.CreateAsync();51 await using var browser = await playwright.Chromium.LaunchAsync();52 await using var context = await browser.NewContextAsync();53 await using var page = await context.NewPageAsync();54 var response = await page.WaitForResponseAsync("**/*");
ReceiveLoopAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Tests.TestServer;4using Microsoft.Playwright;5using Microsoft.Playwright.Transport.Channels;6{7 {8 static async Task Main(string[] args)9 {10 using var playwright = await Playwright.CreateAsync();11 await using var browser = await playwright.Chromium.LaunchAsync();12 var context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 var server = new SimpleServer();15 var result = await server.ReceiveLoopAsync();16 await page.GotoAsync(server.EmptyPage);17 await server.StopAsync();18 Console.WriteLine(result);19 }20 }21}
ReceiveLoopAsync
Using AI Code Generation
1await using var browser = await Playwright.LaunchAsync(new LaunchOptions2{3});4var context = await browser.NewContextAsync();5var page = await context.NewPageAsync();6await page.ClickAsync("text=ReceiveLoopAsync");7await page.ClickAsync("text=ReceiveLoopAsync");8await page.ClickAsync("text=ReceiveLoopAsync");9await using var browser = await Playwright.LaunchAsync(new LaunchOptions10{11});12var context = await browser.NewContextAsync();13var page = await context.NewPageAsync();14await page.ClickAsync("text=ReceiveLoopAsync");15await page.ClickAsync("text=ReceiveLoopAsync");16await page.ClickAsync("text=ReceiveLoopAsync");17await using var browser = await Playwright.LaunchAsync(new LaunchOptions18{19});20var context = await browser.NewContextAsync();21var page = await context.NewPageAsync();22await page.ClickAsync("text=ReceiveLoopAsync");23await page.ClickAsync("text=ReceiveLoopAsync");24await page.ClickAsync("text=ReceiveLoopAsync");25await using var browser = await Playwright.LaunchAsync(new LaunchOptions26{27});28var context = await browser.NewContextAsync();29var page = await context.NewPageAsync();30await page.ClickAsync("text=ReceiveLoopAsync");31await page.ClickAsync("text=ReceiveLoopAsync");32await page.ClickAsync("text=ReceiveLoopAsync");33await using var browser = await Playwright.LaunchAsync(new LaunchOptions34{35});36var context = await browser.NewContextAsync();37var page = await context.NewPageAsync();38await page.ClickAsync("text=ReceiveLoopAsync");39await page.ClickAsync("text=ReceiveLoop
ReceiveLoopAsync
Using AI Code Generation
1using System;2using System.Net;3using System.Threading.Tasks;4using Microsoft.Playwright;5using Microsoft.Playwright.Tests.TestServer;6using Microsoft.Playwright.Tests.TestServer.Models;7using Microsoft.Playwright.Tests.TestServer.Utils;8using Microsoft.Playwright.Transport.Channels;9using Microsoft.Playwright.Transport.Protocol;10using Microsoft.Playwright.Transport.Tests;11using Xunit;12using Xunit.Abstractions;13{14 {15 public ReceiveLoopAsyncTests(ITestOutputHelper output) : base(output)16 {17 }18 [PlaywrightTest("receive-loop-async.spec.ts", "should work with plain text")]19 [Fact(Timeout = TestConstants.DefaultTestTimeout)]20 public async Task ShouldWorkWithPlainText()21 {22 await Page.SetContentAsync("<html><body><textarea id='textarea'></textarea></body></html>");23 var textarea = await Page.QuerySelectorAsync("textarea");24 var server = SimpleServer.Create(context => context.Response.WriteAsync("hello world"));25 await server.WaitForRequest("/empty.html");26 await textarea.EvaluateAsync(@"t => {27 t.focus();28 window['received'] = [];29 window['done'] = false;30 window['receive'] = async () => {31 const reader = t.createTextRange().duplicate();32 reader.moveStart('character', t.value.length);33 const result = await reader.text;34 window['received'].push(result);35 if (result === 'hello world')36 window['done'] = true;37 };38 }");39 await Page.EvaluateAsync("async () => { while (!window['done']) await window['receive'](); }");40 var received = await Page.EvaluateAsync<string[]>("window['received']");41 Assert.Equal(new[] { "hello world", "hello world" }, received);42 await server.StopAsync();43 }44 [PlaywrightTest("receive-loop-async.spec.ts", "should work with plain text and newline")]45 [Fact(Timeout = TestConstants.DefaultTestTimeout)]46 public async Task ShouldWorkWithPlainTextAndNewline()47 {48 await Page.SetContentAsync("<html><body><textarea id='textarea'></textarea></body></html>");49 var textarea = await Page.QuerySelectorAsync("textarea");50 var server = SimpleServer.Create(context => context.Response.WriteAsync("hello world51"));52 await server.WaitForRequest("/empty.html");
ReceiveLoopAsync
Using AI Code Generation
1var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();2await server.StartAsync();3await page.GotoAsync(server.EmptyPage);4await page.EvaluateAsync("() => window['msg'] = 'incoming'");5await page.EvaluateAsync("() => window.addEventListener('message', msg => window['result'] = msg.data)");6var task = page.WaitForEventAsync(PageEvent.Popup);7var popup = await task;8Assert.AreEqual("incoming", await popup.EvaluateAsync<string>("() => window['result']"));9await server.StopAsync();10var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();11await server.StartAsync();12await page.GotoAsync(server.EmptyPage);13await page.EvaluateAsync("() => window['msg'] = 'incoming'");14await page.EvaluateAsync("() => window.addEventListener('message', msg => window['result'] = msg.data)");15var task = page.WaitForEventAsync(PageEvent.Popup);16var popup = await task;17Assert.AreEqual("incoming", await popup.EvaluateAsync<string>("() => window['result']"));18await server.StopAsync();19var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();20await server.StartAsync();21await page.GotoAsync(server.EmptyPage);22await page.EvaluateAsync("() => window['msg'] = 'incoming'");23await page.EvaluateAsync("() => window.addEventListener('message', msg => window['result'] = msg.data)");24var task = page.WaitForEventAsync(PageEvent.Popup);25var popup = await task;26Assert.AreEqual("incoming", await popup.EvaluateAsync<string>("() => window['result']"));27await server.StopAsync();28var server = new Microsoft.Playwright.Tests.TestServer.SimpleServer();29await server.StartAsync();30await page.GotoAsync(server.EmptyPage);31await page.EvaluateAsync("() => window['msg'] = 'incoming'");
ReceiveLoopAsync
Using AI Code Generation
1var server = new SimpleServer();2await server.StartAsync();3var serverTask = server.ReceiveLoopAsync();4await serverTask;5await server.StopAsync();6var server = new SimpleServer();7await server.StartAsync();8var serverTask = server.ReceiveLoopAsync();9await serverTask;10await server.StopAsync();11var server = new SimpleServer();12await server.StartAsync();13var serverTask = server.ReceiveLoopAsync();14await serverTask;15await server.StopAsync();16var server = new SimpleServer();17await server.StartAsync();18var serverTask = server.ReceiveLoopAsync();19await serverTask;20await server.StopAsync();21var server = new SimpleServer();22await server.StartAsync();23var serverTask = server.ReceiveLoopAsync();24await serverTask;25await server.StopAsync();26var server = new SimpleServer();27await server.StartAsync();28var serverTask = server.ReceiveLoopAsync();29await serverTask;30await server.StopAsync();31var server = new SimpleServer();32await server.StartAsync();33var serverTask = server.ReceiveLoopAsync();34await serverTask;35await server.StopAsync();36var server = new SimpleServer();37await server.StartAsync();38var serverTask = server.ReceiveLoopAsync();39await serverTask;40await server.StopAsync();
Playwright tutorial
LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
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- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
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- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
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