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.
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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.
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Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.