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How to use Dispose method of Microsoft.Playwright.Transport.StdIOTransport class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.StdIOTransport.Dispose

StdIOTransport.cs

Source:StdIOTransport.cs

...51            };52            _process.BeginErrorReadLine();53            ScheduleTransportTask(GetResponseAsync, _readerCancellationSource.Token);54        }55        /// <inheritdoc cref="IDisposable.Dispose"/>56        ~StdIOTransport() => Dispose(false);57        public event EventHandler<byte[]> MessageReceived;58        public event EventHandler<string> TransportClosed;59        public event EventHandler<string> LogReceived;60        public bool IsClosed { get; private set; }61        /// <inheritdoc/>62        public void Dispose()63        {64            Dispose(true);65            GC.SuppressFinalize(this);66        }67        /// <inheritdoc/>68        public void Close(string closeReason)69        {70            if (!IsClosed)71            {72                IsClosed = true;73                TransportClosed.Invoke(this, closeReason);74                _readerCancellationSource?.Cancel();75                _process.StandardInput.Close();76                _process.WaitForExit();77            }78        }79        public async Task SendAsync(byte[] message)80        {81            try82            {83                if (!_readerCancellationSource.IsCancellationRequested)84                {85                    int len = message.Length;86                    byte[] ll = new byte[4];87                    ll[0] = (byte)(len & 0xFF);88                    ll[1] = (byte)((len >> 8) & 0xFF);89                    ll[2] = (byte)((len >> 16) & 0xFF);90                    ll[3] = (byte)((len >> 24) & 0xFF);91#pragma warning disable CA1835 // We can't use ReadOnlyMemory on netstandard92                    await _process.StandardInput.BaseStream.WriteAsync(ll, 0, 4, _readerCancellationSource.Token).ConfigureAwait(false);93                    await _process.StandardInput.BaseStream.WriteAsync(message, 0, len, _readerCancellationSource.Token).ConfigureAwait(false);94#pragma warning restore CA183595                    await _process.StandardInput.BaseStream.FlushAsync(_readerCancellationSource.Token).ConfigureAwait(false);96                }97            }98            catch (Exception ex)99            {100                Close(ex);101            }102        }103        private static Process GetProcess()104        {105            var startInfo = new ProcessStartInfo(Driver.GetExecutablePath())106            {107                UseShellExecute = false,108                RedirectStandardOutput = true,109                RedirectStandardInput = true,110                RedirectStandardError = true,111                CreateNoWindow = true,112            };113            foreach (var pair in Driver.GetEnvironmentVariables())114            {115                startInfo.EnvironmentVariables[pair.Key] = pair.Value;116            }117            return new()118            {119                StartInfo = startInfo,120            };121        }122        private static void ScheduleTransportTask(Func<CancellationToken, Task> func, CancellationToken cancellationToken)123            => Task.Factory.StartNew(() => func(cancellationToken), cancellationToken, TaskCreationOptions.LongRunning, TaskScheduler.Current);124        private void Close(Exception ex)125        {126            System.Diagnostics.Debug.WriteLine(ex);127            Close(ex.ToString());128        }129        private void Dispose(bool disposing)130        {131            if (!disposing)132            {133                return;134            }135            _readerCancellationSource?.Dispose();136            _process?.Dispose();137        }138        private async Task GetResponseAsync(CancellationToken token)139        {140            try141            {142                var stream = _process.StandardOutput;143                byte[] buffer = new byte[DefaultBufferSize];144                while (!token.IsCancellationRequested && !_process.HasExited)145                {146#pragma warning disable CA1835 // We can't use ReadOnlyMemory on netstandard147                    int read = await stream.BaseStream.ReadAsync(buffer, 0, DefaultBufferSize, token).ConfigureAwait(false);148#pragma warning restore CA1835149                    if (!token.IsCancellationRequested)150                    {...

Playwright.cs

Source:Playwright.cs

...39        /// </summary>40        /// <returns>A <see cref="Task"/> that completes when the playwright driver is ready to be used.</returns>41        public static async Task<IPlaywright> CreateAsync()42        {43#pragma warning disable CA2000 // Dispose objects before losing scope44            var transport = new StdIOTransport();45#pragma warning restore CA200046            var connection = new Connection();47            transport.MessageReceived += (_, message) => connection.Dispatch(JsonSerializer.Deserialize<PlaywrightServerMessage>(message, JsonExtensions.DefaultJsonSerializerOptions));48            transport.LogReceived += (_, log) => Console.Error.WriteLine(log);49            transport.TransportClosed += (_, reason) => connection.DoClose(reason);50            connection.OnMessage = (message) => transport.SendAsync(JsonSerializer.SerializeToUtf8Bytes(message, connection.DefaultJsonSerializerOptions));51            connection.Close += (_, reason) => transport.Close(reason);52            var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);53            playwright.Connection = connection;54            return playwright;55        }56    }57}
...

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2await using var playwright = await Playwright.CreateAsync();3await using var browser = await playwright.Chromium.LaunchAsync();4await using var context = await browser.NewContextAsync();5await using var page = await context.NewPageAsync();6await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });7using Microsoft.Playwright;8await using var playwright = await Playwright.CreateAsync();9await using var browser = await playwright.Chromium.LaunchAsync();10await using var context = await browser.NewContextAsync();11await using var page = await context.NewPageAsync();12await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });13using Microsoft.Playwright;14await using var playwright = await Playwright.CreateAsync();15await using var browser = await playwright.Chromium.LaunchAsync();16await using var context = await browser.NewContextAsync();17await using var page = await context.NewPageAsync();18await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });19using Microsoft.Playwright;20await using var playwright = await Playwright.CreateAsync();21await using var browser = await playwright.Chromium.LaunchAsync();22await using var context = await browser.NewContextAsync();23await using var page = await context.NewPageAsync();24await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });25using Microsoft.Playwright;26await using var playwright = await Playwright.CreateAsync();27await using var browser = await playwright.Chromium.LaunchAsync();28await using var context = await browser.NewContextAsync();29await using var page = await context.NewPageAsync();30await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2await using var playwright = await Playwright.CreateAsync();3var browser = await playwright.Chromium.LaunchAsync();4var page = await browser.NewPageAsync();5await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });6await browser.CloseAsync();7using Microsoft.Playwright;8await using var playwright = await Playwright.CreateAsync();9var browser = await playwright.Webkit.LaunchAsync();10var page = await browser.NewPageAsync();11await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });12await browser.CloseAsync();13using Microsoft.Playwright;14await using var playwright = await Playwright.CreateAsync();15var browser = await playwright.Firefox.LaunchAsync();16var page = await browser.NewPageAsync();17await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });18await browser.CloseAsync();19using Microsoft.Playwright;20await using var playwright = await Playwright.CreateAsync();21var browser = await playwright.Chromium.LaunchAsync();22var page = await browser.NewPageAsync();23await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });24await browser.CloseAsync();25using Microsoft.Playwright;26await using var playwright = await Playwright.CreateAsync();27var browser = await playwright.Webkit.LaunchAsync();28var page = await browser.NewPageAsync();29await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });30await browser.CloseAsync();31using Microsoft.Playwright;32await using var playwright = await Playwright.CreateAsync();33var browser = await playwright.Firefox.LaunchAsync();

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var transport = new StdIOTransport("C:\\Program Files (x86)\\Microsoft Playwright\\playwright.cmd");10            var playwright = await Playwright.CreateAsync(transport);11            var browser = await playwright.Chromium.LaunchAsync();12            var page = await browser.NewPageAsync();13            await page.ScreenshotAsync(new PageScreenshotOptions14            {15            });16            await browser.CloseAsync();17            transport.Dispose();18        }19    }20}21using Microsoft.Playwright;22using Microsoft.Playwright.Transport;23using System;24using System.Threading.Tasks;25{26    {27        static async Task Main(string[] args)28        {29            var transport = new NamedPipeTransport("C:\\Program Files (x86)\\Microsoft Playwright\\playwright.cmd");30            var playwright = await Playwright.CreateAsync(transport);31            var browser = await playwright.Chromium.LaunchAsync();32            var page = await browser.NewPageAsync();33            await page.ScreenshotAsync(new PageScreenshotOptions34            {35            });36            await browser.CloseAsync();37            transport.Dispose();38        }39    }40}41using Microsoft.Playwright;42using Microsoft.Playwright.Transport;43using System;44using System.Threading.Tasks;45{46    {47        static async Task Main(string[] args)48        {49            var transport = new TcpTransport("C:\\Program Files (x86)\\Microsoft Playwright\\playwright.cmd");50            var playwright = await Playwright.CreateAsync(transport);51            var browser = await playwright.Chromium.LaunchAsync();52            var page = await browser.NewPageAsync();53            await page.ScreenshotAsync(new PageScreenshotOptions

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var transport = new StdIOTransport();10            await transport.StartAsync();11            var connection = new Connection(transport);12            var browser = await connection.WaitForObjectWithKnownNameAsync<IBrowser>("browser");13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });15            await connection.CloseAsync();16            await transport.DisposeAsync();17        }18    }19}20using Microsoft.Playwright;21using Microsoft.Playwright.Transport;22using System;23using System.Threading.Tasks;24{25    {26        static async Task Main(string[] args)27        {28            await transport.StartAsync();29            var connection = new Connection(transport);30            var browser = await connection.WaitForObjectWithKnownNameAsync<IBrowser>("browser");31            var page = await browser.NewPageAsync();32            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });33            await connection.CloseAsync();34            await transport.DisposeAsync();35        }36    }37}38using Microsoft.Playwright;39using Microsoft.Playwright.Transport;40using System;41using System.Diagnostics;42using System.IO;43using System.Threading.Tasks;44{45    {46        static async Task Main(string[] args)47        {48            {49                {50                    WorkingDirectory = Path.Combine(Directory.GetCurrentDirectory(), "playwright"),

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport;3var transport = new StdIOTransport();4var playwright = await Playwright.CreateAsync(transport);5var browser = await playwright.Chromium.LaunchAsync();6var page = await browser.NewPageAsync();7await page.ScreenshotAsync(new PageScreenshotOptions { Path = "2.png" });8await browser.CloseAsync();9await playwright.CloseAsync();10using Microsoft.Playwright;11using Microsoft.Playwright.Transport;12var transport = new StdIOTransport();13var playwright = await Playwright.CreateAsync(transport);14var browser = await playwright.Chromium.LaunchAsync();15var page = await browser.NewPageAsync();16await page.ScreenshotAsync(new PageScreenshotOptions { Path = "3.png" });17await browser.CloseAsync();18await playwright.CloseAsync();19using Microsoft.Playwright;20using Microsoft.Playwright.Transport;21var transport = new StdIOTransport();22var playwright = await Playwright.CreateAsync(transport);23var browser = await playwright.Chromium.LaunchAsync();24var page = await browser.NewPageAsync();25await page.ScreenshotAsync(new PageScreenshotOptions { Path = "4.png" });26await browser.CloseAsync();27await playwright.CloseAsync();28using Microsoft.Playwright;29using Microsoft.Playwright.Transport;30var transport = new StdIOTransport();31var playwright = await Playwright.CreateAsync(transport);32var browser = await playwright.Chromium.LaunchAsync();33var page = await browser.NewPageAsync();34await page.ScreenshotAsync(new PageScreenshotOptions { Path = "5.png" });35await browser.CloseAsync();36await playwright.CloseAsync();

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            var browser = await playwright.Chromium.LaunchAsync();12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.ScreenshotAsync(path: "google.png");15            await browser.CloseAsync();16        }17    }18}

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            IPlaywright playwright = await Playwright.CreateAsync();9            IBrowser browser = await playwright.Chromium.LaunchAsync();10            IPage page = await browser.NewPageAsync();11            await page.ScreenshotAsync("google.png");12            await browser.CloseAsync();13            await playwright.DisposeAsync();14        }15    }16}

Dispose

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using Microsoft.Playwright;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            var browser = await playwright.Chromium.LaunchAsync();12            var page = await browser.NewPageAsync();13            Console.WriteLine(await page.TitleAsync());14            await browser.CloseAsync();15        }16    }17}

Dispose

Using AI Code Generation

1using Microsoft.Playwright;2IPlaywright playwright = Playwright.CreateAsync().Result;3IPlaywrightBuilder builder = playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false }).Result;4using var browser = builder.Build();5IPage page = browser.NewPageAsync().Result;6page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" }).Wait();7page.CloseAsync().Wait();8builder.Dispose();9browser.Dispose();10playwright.Dispose();11Console.WriteLine("Press any key to continue");12Console.ReadKey();13}14}

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.