How to use TraceMessage method of Microsoft.Playwright.Transport.Connection class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Connection.TraceMessage

Connection.cs

Source:Connection.cs Github

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...133 Method = method,134 Params = sanitizedArgs,135 Metadata = ApiZone.Value[0],136 };137 TraceMessage("pw:channel:command", message);138 return OnMessage(message);139 }).ConfigureAwait(false);140 var result = await tcs.Task.ConfigureAwait(false);141 if (typeof(T) == typeof(JsonElement?))142 {143 return (T)(object)result?.Clone();144 }145 else if (result == null)146 {147 return default;148 }149 else if (typeof(ChannelBase).IsAssignableFrom(typeof(T)) || typeof(ChannelBase[]).IsAssignableFrom(typeof(T)))150 {151 var enumerate = result.Value.EnumerateObject();152 return enumerate.Any()153 ? enumerate.FirstOrDefault().Value.ToObject<T>(DefaultJsonSerializerOptions)154 : default;155 }156 else157 {158 return result.Value.ToObject<T>(DefaultJsonSerializerOptions);159 }160 }161 internal IChannelOwner GetObject(string guid)162 {163 Objects.TryGetValue(guid, out var result);164 return result;165 }166 internal void MarkAsRemote() => IsRemote = true;167 internal Task<PlaywrightImpl> InitializePlaywrightAsync()168 {169 return _rootObject.InitializeAsync();170 }171 internal void OnObjectCreated(string guid, IChannelOwner result)172 {173 Objects.TryAdd(guid, result);174 }175 internal void Dispatch(PlaywrightServerMessage message)176 {177 if (message.Id.HasValue)178 {179 TraceMessage("pw:channel:response", message);180 if (_callbacks.TryRemove(message.Id.Value, out var callback))181 {182 if (message.Error != null)183 {184 callback.TaskCompletionSource.TrySetException(CreateException(message.Error.Error));185 }186 else187 {188 callback.TaskCompletionSource.TrySetResult(message.Result);189 }190 }191 return;192 }193 TraceMessage("pw:channel:event", message);194 try195 {196 if (message.Method == "__create__")197 {198 var createObjectInfo = message.Params.Value.ToObject<CreateObjectInfo>(DefaultJsonSerializerOptions);199 CreateRemoteObject(message.Guid, createObjectInfo.Type, createObjectInfo.Guid, createObjectInfo.Initializer);200 return;201 }202 if (message.Method == "__dispose__")203 {204 Objects.TryGetValue(message.Guid, out var disableObject);205 disableObject?.DisposeOwner();206 return;207 }208 Objects.TryGetValue(message.Guid, out var obj);209 obj?.Channel?.OnMessage(message.Method, message.Params);210 }211 catch (Exception ex)212 {213 DoClose(ex);214 }215 }216 private void CreateRemoteObject(string parentGuid, ChannelOwnerType type, string guid, JsonElement? initializer)217 {218 IChannelOwner result = null;219 var parent = string.IsNullOrEmpty(parentGuid) ? _rootObject : Objects[parentGuid];220#pragma warning disable CA2000 // Dispose objects before losing scope221 switch (type)222 {223 case ChannelOwnerType.Artifact:224 result = new Artifact(parent, guid, initializer?.ToObject<ArtifactInitializer>(DefaultJsonSerializerOptions));225 break;226 case ChannelOwnerType.BindingCall:227 result = new BindingCall(parent, guid, initializer?.ToObject<BindingCallInitializer>(DefaultJsonSerializerOptions));228 break;229 case ChannelOwnerType.Playwright:230 result = new PlaywrightImpl(parent, guid, initializer?.ToObject<PlaywrightInitializer>(DefaultJsonSerializerOptions));231 break;232 case ChannelOwnerType.Browser:233 var browserInitializer = initializer?.ToObject<BrowserInitializer>(DefaultJsonSerializerOptions);234 result = new Browser(parent, guid, browserInitializer);235 break;236 case ChannelOwnerType.BrowserType:237 var browserTypeInitializer = initializer?.ToObject<BrowserTypeInitializer>(DefaultJsonSerializerOptions);238 result = new Core.BrowserType(parent, guid, browserTypeInitializer);239 break;240 case ChannelOwnerType.BrowserContext:241 var browserContextInitializer = initializer?.ToObject<BrowserContextInitializer>(DefaultJsonSerializerOptions);242 result = new BrowserContext(parent, guid, browserContextInitializer);243 break;244 case ChannelOwnerType.ConsoleMessage:245 result = new ConsoleMessage(parent, guid, initializer?.ToObject<ConsoleMessageInitializer>(DefaultJsonSerializerOptions));246 break;247 case ChannelOwnerType.Dialog:248 result = new Dialog(parent, guid, initializer?.ToObject<DialogInitializer>(DefaultJsonSerializerOptions));249 break;250 case ChannelOwnerType.ElementHandle:251 result = new ElementHandle(parent, guid, initializer?.ToObject<ElementHandleInitializer>(DefaultJsonSerializerOptions));252 break;253 case ChannelOwnerType.Frame:254 result = new Frame(parent, guid, initializer?.ToObject<FrameInitializer>(DefaultJsonSerializerOptions));255 break;256 case ChannelOwnerType.JSHandle:257 result = new JSHandle(parent, guid, initializer?.ToObject<JSHandleInitializer>(DefaultJsonSerializerOptions));258 break;259 case ChannelOwnerType.JsonPipe:260 result = new JsonPipe(parent, guid, initializer?.ToObject<JsonPipeInitializer>(DefaultJsonSerializerOptions));261 break;262 case ChannelOwnerType.LocalUtils:263 result = new LocalUtils(parent, guid, initializer);264 break;265 case ChannelOwnerType.Page:266 result = new Page(parent, guid, initializer?.ToObject<PageInitializer>(DefaultJsonSerializerOptions));267 break;268 case ChannelOwnerType.Request:269 result = new Request(parent, guid, initializer?.ToObject<RequestInitializer>(DefaultJsonSerializerOptions));270 break;271 case ChannelOwnerType.Response:272 result = new Response(parent, guid, initializer?.ToObject<ResponseInitializer>(DefaultJsonSerializerOptions));273 break;274 case ChannelOwnerType.Route:275 result = new Route(parent, guid, initializer?.ToObject<RouteInitializer>(DefaultJsonSerializerOptions));276 break;277 case ChannelOwnerType.Worker:278 result = new Worker(parent, guid, initializer?.ToObject<WorkerInitializer>(DefaultJsonSerializerOptions));279 break;280 case ChannelOwnerType.WebSocket:281 result = new WebSocket(parent, guid, initializer?.ToObject<WebSocketInitializer>(DefaultJsonSerializerOptions));282 break;283 case ChannelOwnerType.Selectors:284 result = new Selectors(parent, guid);285 break;286 case ChannelOwnerType.SocksSupport:287 result = new SocksSupport(parent, guid);288 break;289 case ChannelOwnerType.Stream:290 result = new Stream(parent, guid);291 break;292 case ChannelOwnerType.WritableStream:293 result = new WritableStream(parent, guid);294 break;295 case ChannelOwnerType.Tracing:296 result = new Tracing(parent, guid);297 break;298 default:299 TraceMessage("pw:dotnet", "Missing type " + type);300 break;301 }302#pragma warning restore CA2000303 Objects.TryAdd(guid, result);304 OnObjectCreated(guid, result);305 }306 private void DoClose(Exception ex)307 {308 TraceMessage("pw:dotnet", $"Connection Close: {ex.Message}\n{ex.StackTrace}");309 DoClose(ex.Message);310 }311 internal void DoClose(string reason)312 {313 _reason = string.IsNullOrEmpty(_reason) ? reason : _reason;314 if (!IsClosed)315 {316 foreach (var callback in _callbacks)317 {318 callback.Value.TaskCompletionSource.TrySetException(new PlaywrightException(reason));319 }320 Dispose();321 IsClosed = true;322 }323 }324 private Exception CreateException(PlaywrightServerError error)325 {326 if (string.IsNullOrEmpty(error.Message))327 {328 return new PlaywrightException(error.Value);329 }330 if (error.Name == "TimeoutError")331 {332 return new TimeoutException(error.Message);333 }334 return new PlaywrightException(error.Message);335 }336 private void Dispose(bool disposing)337 {338 if (!disposing)339 {340 return;341 }342 _queue.Dispose();343 Close.Invoke(this, "Connection disposed");344 }345 [Conditional("DEBUG")]346 internal void TraceMessage(string logLevel, object message)347 {348 string actualLogLevel = Environment.GetEnvironmentVariable("DEBUG");349 if (!string.IsNullOrEmpty(actualLogLevel))350 {351 if (!actualLogLevel.Contains(logLevel))352 {353 return;354 }355 if (!(message is string))356 {357 message = JsonSerializer.Serialize(message, DefaultJsonSerializerOptions);358 }359 string line = $"{logLevel}: {message}";360 Trace.WriteLine(line);...

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BrowserType.cs

Source:BrowserType.cs Github

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...185 }186 catch (Exception ex)187 {188 closeError = ex.ToString();189 _channel.Connection.TraceMessage("pw:dotnet", $"Dispatching error: {ex.Message}\n{ex.StackTrace}");190 ClosePipe();191 }192 };193 async Task<IBrowser> CreateBrowserAsync()194 {195 var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);196 playwright.Connection = connection;197 if (playwright.PreLaunchedBrowser == null)198 {199 ClosePipe();200 throw new ArgumentException("Malformed endpoint. Did you use launchServer method?");201 }202 browser = playwright.PreLaunchedBrowser;203 browser.ShouldCloseConnectionOnClose = true;...

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TraceMessage

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1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using Microsoft.Playwright.Transport;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10 {11 static async Task Main(string[] args)12 {13 var playwright = await Playwright.CreateAsync();14 var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });15 var page = await browser.NewPageAsync();16 var connection = page.Browser.Connection;17 connection.TraceMessage += Connection_TraceMessage;18 Console.WriteLine("Press any key to exit...");19 Console.ReadKey();20 await browser.CloseAsync();21 await playwright.StopAsync();22 }23 private static void Connection_TraceMessage(object sender, TraceMessageEventArgs e)24 {25 Console.WriteLine(e.Message);26 }27 }28}

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TraceMessage

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1using System;2using System.Diagnostics;3using System.IO;4using System.Reflection;5using System.Threading.Tasks;6using Microsoft.Playwright;7{8 {9 static async Task Main(string[] args)10 {11 var playwright = await Playwright.CreateAsync();12 var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions13 {14 });15 var page = await browser.NewPageAsync();16 var connection = (Connection)page.Context.Browser.Connection;17 MethodInfo traceMessageMethod = typeof(Connection).GetMethod("TraceMessage", BindingFlags.Instance | BindingFlags.NonPublic);18 traceMessageMethod.Invoke(connection, new object[] { "test" });19 await browser.CloseAsync();20 }21 }22}

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TraceMessage

Using AI Code Generation

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1{2 public static async Task Main(string[] args)3 {4 using var playwright = await Playwright.CreateAsync();5 await using var browser = await playwright.Chromium.LaunchAsync(new()6 {7 });8 var page = await browser.NewPageAsync();9 var connection = page.Context.Browser.Connection;10 connection.TraceMessage += (sender, e) =>11 {12 Console.WriteLine($"{e.MessageType} {e.Message}");13 };14 }15}

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TraceMessage

Using AI Code Generation

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1using Microsoft.Playwright;2using Microsoft.Playwright.Transport;3using System;4using System.IO;5using System.Text;6using System.Threading.Tasks;7{8 {9 static async Task Main(string[] args)10 {11 var builder = new StringBuilder();12 var file = File.CreateText("trace.txt");13 var playwright = await Playwright.CreateAsync();14 var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });15 var page = await browser.NewPageAsync();16 var connection = page.Context.Browser.Connection;17 connection.TraceMessage += (sender, e) =>18 {19 builder.Append(e.Message);20 builder.AppendLine();21 };22 await file.WriteAsync(builder.ToString());23 await file.FlushAsync();24 await file.DisposeAsync();25 await browser.CloseAsync();26 }27 }28}

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TraceMessage

Using AI Code Generation

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1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6using Microsoft.Playwright.Transport;7{8 {9 static async Task Main(string[] args)10 {11 var playwright = await Playwright.CreateAsync();12 var browser = await playwright.Chromium.LaunchAsync(headless: false);13 var page = await browser.NewPageAsync();14 var connection = page.GetConnection();15 connection.TraceMessageReceived += Connection_TraceMessageReceived;16 await page.ClickAsync("input[name='q']");17 await page.Keyboard.TypeAsync("Hello World");18 await page.Keyboard.PressAsync("Enter");19 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);20 await page.ScreenshotAsync("test.png");21 await browser.CloseAsync();22 }23 private static void Connection_TraceMessageReceived(object sender, TraceMessageEventArgs e)24 {25 Console.WriteLine(e.Message);26 }27 }28}

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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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  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. 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.
  10. 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.
  11. 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.
  12. 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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