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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

...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);...

BrowserType.cs

Source:BrowserType.cs

...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;...

TraceMessage

Using AI Code Generation

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}

TraceMessage

Using AI Code Generation

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}

TraceMessage

Using AI Code Generation

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}

TraceMessage

Using AI Code Generation

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}

TraceMessage

Using AI Code Generation

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}

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.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
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.
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.
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.