KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use ConnectAsync method of Microsoft.Playwright.Transport.Channels.BrowserTypeChannel class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync

BrowserType.cs

Source:BrowserType.cs

...127            };128            ((Core.Tracing)context.Tracing).LocalUtils = Playwright.Utils;129            return context;130        }131        public async Task<IBrowser> ConnectAsync(string wsEndpoint, BrowserTypeConnectOptions options = null)132        {133            options ??= new BrowserTypeConnectOptions();134            var headers = new List<KeyValuePair<string, string>>(options.Headers ?? new Dictionary<string, string>())135            {136                new KeyValuePair<string, string>("x-playwright-browser", Name),137            }.ToDictionary(pair => pair.Key, pair => pair.Value);138            JsonPipe pipe = (await _channel.ConnectAsync(wsEndpoint: wsEndpoint, headers: headers, slowMo: options.SlowMo, timeout: options.Timeout).ConfigureAwait(false)).Object;139            void ClosePipe()140            {141                pipe.CloseAsync().IgnoreException();142            }143#pragma warning disable CA2000 // Dispose objects before losing scope144            var connection = new Connection();145#pragma warning restore CA2000146            connection.MarkAsRemote();147            connection.Close += (_, _) => ClosePipe();148            string closeError = null;149            Browser browser = null;150            void OnPipeClosed()151            {152                // Emulate all pages, contexts and the browser closing upon disconnect.153                foreach (BrowserContext context in browser?.BrowserContextsList.ToArray() ?? Array.Empty<BrowserContext>())154                {155                    foreach (Page page in context.PagesList.ToArray())156                    {157                        page.OnClose();158                    }159                    context.OnClose();160                }161                browser?.DidClose();162                connection.DoClose(closeError != null ? closeError : DriverMessages.BrowserClosedExceptionMessage);163            }164            pipe.Closed += (_, _) => OnPipeClosed();165            connection.OnMessage = async (object message) =>166            {167                try168                {169                    await pipe.SendAsync(message).ConfigureAwait(false);170                }171                catch (Exception e) when (DriverMessages.IsSafeCloseError(e))172                {173                    // swallow exception174                }175                catch176                {177                    OnPipeClosed();178                }179            };180            pipe.Message += (_, message) =>181            {182                try183                {184                    connection.Dispatch(message);185                }186                catch (Exception ex)187                {188                    closeError = ex.ToString();189                    _channel.Connection.TraceMessage("pw:dotnet", $"Dispatching error: {ex.Message}\n{ex.StackTrace}");190                    ClosePipe();191                }192            };193            async Task<IBrowser> CreateBrowserAsync()194            {195                var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);196                playwright.Connection = connection;197                if (playwright.PreLaunchedBrowser == null)198                {199                    ClosePipe();200                    throw new ArgumentException("Malformed endpoint. Did you use launchServer method?");201                }202                browser = playwright.PreLaunchedBrowser;203                browser.ShouldCloseConnectionOnClose = true;204                browser.Disconnected += (_, _) => ClosePipe();205                browser.LocalUtils = Playwright.Utils;206                return playwright.PreLaunchedBrowser;207            }208            var task = CreateBrowserAsync();209            var timeout = options?.Timeout != null ? (int)options.Timeout : 30_000;210            return await task.WithTimeout(timeout, _ => throw new TimeoutException($"BrowserType.ConnectAsync: Timeout {options.Timeout}ms exceeded")).ConfigureAwait(false);211        }212        public async Task<IBrowser> ConnectOverCDPAsync(string endpointURL, BrowserTypeConnectOverCDPOptions options = null)213        {214            if (Name != "chromium")215            {216                throw new ArgumentException("Connecting over CDP is only supported in Chromium.");217            }218            options ??= new BrowserTypeConnectOverCDPOptions();219            JsonElement result = await _channel.ConnectOverCDPAsync(endpointURL, headers: options.Headers, slowMo: options.SlowMo, timeout: options.Timeout).ConfigureAwait(false);220            Browser browser = result.GetProperty("browser").ToObject<Browser>(_channel.Connection.DefaultJsonSerializerOptions);221            if (result.TryGetProperty("defaultContext", out JsonElement defaultContextValue))222            {223                browser.BrowserContextsList.Add(defaultContextValue.ToObject<BrowserContext>(_channel.Connection.DefaultJsonSerializerOptions));224            }...

BrowserTypeChannel.cs

Source:BrowserTypeChannel.cs

...198                { "timeout", timeout },199            };200            return Connection.SendMessageToServerAsync<JsonElement>(Guid, "connectOverCDP", channelArgs);201        }202        internal Task<JsonPipeChannel> ConnectAsync(string wsEndpoint = default, IEnumerable<KeyValuePair<string, string>> headers = default, float? slowMo = default, float? timeout = default)203        {204            var channelArgs = new Dictionary<string, object>205            {206                { "wsEndpoint", wsEndpoint },207                { "headers", headers },208                { "slowMo", slowMo },209                { "timeout", timeout },210            };211            return Connection.SendMessageToServerAsync<JsonPipeChannel>(Guid, "connect", channelArgs);212        }213    }214}...

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            var browserType = playwright.Chromium;10            var browser = await browserType.ConnectAsync(new BrowserTypeConnectOptions11            {12            });13            var context = await browser.NewContextAsync();14            var page = await context.NewPageAsync();15            await page.ScreenshotAsync("example.png");16            await browser.CloseAsync();17        }18    }19}

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            var page = await browser.NewPageAsync();10            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });11            await browser.CloseAsync();12        }13    }14}

ConnectAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.ScreenshotAsync("google.png");14            await browser.CloseAsync();15        }16    }17}18   at Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync(String wsEndpoint, Nullable`1 timeout, Nullable`1 slowMo, String[] ignoreHTTPSErrors, String[] bypassCSP, String[] proxyServer, String[] proxyBypass, Nullable`1 acceptDownloads, String[] extraHTTPHeaders, Nullable`1 offline, Nullable`1 httpCredentials, String[] storageState, Nullable`1 viewport, Nullable`1 noDefaultViewport, Nullable`1 deviceScaleFactor, Nullable`1 isMobile, Nullable`1 hasTouch, Nullable`1 defaultBrowserType, Nullable`1 geolocation, Nullable`1 permissions, Nullable`1 locale, Nullable`1 timezoneId, Nullable`1 timezoneO

ConnectAsync

Using AI Code Generation

1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browserType = await Playwright.CreateAsync();9            var browser = await browserType.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            await page.ScreenshotAsync("screenshot.png");12            await browser.CloseAsync();13        }14    }15}

ConnectAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            await page.ScreenshotAsync("google.png");12            await browser.CloseAsync();13        }14    }15}16Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync Method (PlaywrightSharp.IPlaywright)17Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync Method (Microsoft.Playwright.IPlaywright)18Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync Method (Microsoft.Playwright.IPlaywright) (Microsoft.Playwright)19Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync Method (Microsoft.Playwright.IPlaywright) (Microsoft.Playwright) (Microsoft.Playwright)20Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync Method (Microsoft.Playwright.IPlaywright) (Microsoft.Playwright) (Microsoft.Playwright) (Microsoft.Playwright)21Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync Method (Microsoft.Playwright.IPlaywright) (Microsoft.Playwright) (Microsoft.Playwright) (Microsoft.Playwright) (Microsoft.Playwright)22Microsoft.Playwright.Transport.Channels.BrowserTypeChannel.ConnectAsync Method (Microsoft.Playwright.IPlaywright) (Microsoft.Playwright) (Microsoft.Playwright) (Microsoft.Playwright) (Microsoft.Playwright) (Microsoft.Playwright)

ConnectAsync

Using AI Code Generation

1var browser = await playwright.Chromium.LaunchAsync();2var page = await browser.NewPageAsync();3await page.TypeAsync("input[title='Search']", "Hello World");4await page.PressAsync("input[title='Search']", "Enter");5await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });6await browser.CloseAsync();7var browser = await playwright.Firefox.LaunchAsync();8var page = await browser.NewPageAsync();9await page.TypeAsync("input[title='Search']", "Hello World");10await page.PressAsync("input[title='Search']", "Enter");11await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });12await browser.CloseAsync();13var browser = await playwright.Webkit.LaunchAsync();14var page = await browser.NewPageAsync();15await page.TypeAsync("input[title='Search']", "Hello World");16await page.PressAsync("input[title='Search']", "Enter");17await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });18await browser.CloseAsync();19var browser = await playwright.Chromium.LaunchAsync();20var page = await browser.NewPageAsync();21await page.TypeAsync("input[title='Search']", "Hello World");22await page.PressAsync("input[title='Search']", "Enter");23await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });24await browser.CloseAsync();25var browser = await playwright.Firefox.LaunchAsync();26var page = await browser.NewPageAsync();27await page.TypeAsync("input[title='Search']", "Hello World");

ConnectAsync

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7{8    {9        static async Task Main(string[] args)10        {11            var playwright = await Playwright.CreateAsync();12            var browserType = playwright.Chromium;13            var browser = await browserType.ConnectAsync(new BrowserTypeConnectOptions14            {

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            string title = await page.TitleAsync();14            Console.WriteLine(title);15            await browser.CloseAsync();16        }17    }18}19using System;20using System.Threading.Tasks;21using Microsoft.Playwright;22{23    {24        static async Task Main(string[] args)25        {26            var playwright = await Playwright.CreateAsync();27            var browser = await playwright.Firefox.LaunchAsync(new BrowserTypeLaunchOptions28            {29            });30            var page = await browser.NewPageAsync();31            string title = await page.TitleAsync();32            Console.WriteLine(title);33            await browser.CloseAsync();34        }35    }36}

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.