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How to use Seek method of Microsoft.Playwright.Core.WritableStreamImpl class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.WritableStreamImpl.Seek

WritableStream.cs

Source:WritableStream.cs

...50        {51            _stream = stream;52        }53        public override bool CanRead => throw new NotImplementedException();54        public override bool CanSeek => throw new NotImplementedException();55        public override bool CanWrite => true;56        public override long Length => throw new NotImplementedException();57        public override long Position { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }58        public override void Flush() => throw new NotImplementedException();59        public override int Read(byte[] buffer, int offset, int count) => throw new NotImplementedException();60        public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken) =>61            throw new NotImplementedException();62        public override void Close() => _stream.CloseAsync().ConfigureAwait(false);63        public override long Seek(long offset, SeekOrigin origin) => throw new NotImplementedException();64        public override void SetLength(long value) => throw new NotImplementedException();65        public override void Write(byte[] buffer, int offset, int count) => throw new NotImplementedException();66        public override async Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)67        {68            await this._stream.WriteAsync(Convert.ToBase64String(buffer)).ConfigureAwait(false);69        }70    }71}...

Seek

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            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();

Seek

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using System;4using System.IO;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            await using var browser = await playwright.Chromium.LaunchAsync();12            var page = await browser.NewPageAsync();13            await page.SetContentAsync("<html><body><div>hello</div></body></html>");14            var stream = new MemoryStream();15            await page.PipeAsync(stream);16            await stream.SeekAsync(0, SeekOrigin.Begin);17            using var reader = new StreamReader(stream);18            var html = reader.ReadToEnd();19            Console.WriteLine(html);20        }21    }22}

Seek

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.IO;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            var browser = await playwright.Chromium.LaunchAsync();11            var context = await browser.NewContextAsync();12            var page = await context.NewPageAsync();13            await page.ClickAsync("text=About");14            await page.ClickAsync("text=Terms");15            await page.ClickAsync("text=Privacy");16            await page.ClickAsync("text=Settings");17            await page.ClickAsync("text=Sign in");18            await page.ClickAsync("text=Images");19            await page.ClickAsync("text=Maps");20            await page.ClickAsync("text=News");21            await page.ClickAsync("text=Shopping");22            await page.ClickAsync("text=Sign in");23            await page.ClickAsync("text=Search tools");24            await page.ClickAsync("text=Settings");25            await page.ClickAsync("text=Sign in");26            await page.ClickAsync("text=Images");27            await page.ClickAsync("text=Maps");28            await page.ClickAsync("text=News");29            await page.ClickAsync("text=Shopping");30            await page.ClickAsync("text=Sign in");31            await page.ClickAsync("text=Search tools");32            await page.ClickAsync("text=Settings");33            await page.ClickAsync("text=Sign in");34            await page.ClickAsync("text=Images");35            await page.ClickAsync("text=Maps");36            await page.ClickAsync("text=News");37            await page.ClickAsync("text=Shopping");38            await page.ClickAsync("text=Sign in");39            await page.ClickAsync("text=Search tools");40            await page.ClickAsync("text=Settings");41            await page.ClickAsync("text=Sign in");42            await page.ClickAsync("text=Images");43            await page.ClickAsync("text=Maps");44            await page.ClickAsync("text=News");45            await page.ClickAsync("text=Shopping");46            await page.ClickAsync("text=Sign in");47            await page.ClickAsync("text=Search tools");48            await page.ClickAsync("text=Settings");49            await page.ClickAsync("text=Sign in");50            await page.ClickAsync("text=Images");51            await page.ClickAsync("text=Maps

Seek

Using AI Code Generation

1using System.Threading.Tasks;2using Microsoft.Playwright;3using Microsoft.Playwright.Core;4using Microsoft.Playwright.Helpers;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync();11            var page = await browser.NewPageAsync();12            var search = await page.QuerySelectorAsync("input[name='q']");13            await search.TypeAsync("Hello World");14            var searchButton = await page.QuerySelectorAsync("input[type='submit']");15            await searchButton.ClickAsync();16            await Task.Delay(5000);17            var stream = new WritableStreamImpl();18            await page.PdfAsync(stream);19            await stream.SeekAsync(0, SeekOrigin.Begin);20            await stream.CloseAsync();21        }22    }23}24Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "5", "5.csproj", "{E5E5D3C3-3C3F-4B1C-8B3A-3C4A4E4A4A4A}"25	GlobalSection(SolutionConfigurationPlatforms) = preSolution

Seek

Using AI Code Generation

1{2    {3        static async Task Main(string[] args)4        {5            using var playwright = await Playwright.CreateAsync();6            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions7            {8            });9            var page = await browser.NewPageAsync();10            await page.ScreenshotAsync(path: "screenshot.png");11            await page.CloseAsync();12            await browser.CloseAsync();13        }14    }15}16{17    {18        static async Task Main(string[] args)19        {20            using var playwright = await Playwright.CreateAsync();21            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions22            {23            });24            var page = await browser.NewPageAsync();25            await page.ScreenshotAsync(path: "screenshot.png");26            await page.CloseAsync();27            await browser.CloseAsync();28        }29    }30}31{32    {33        static async Task Main(string[] args)34        {35            using var playwright = await Playwright.CreateAsync();36            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions37            {38            });39            var page = await browser.NewPageAsync();40            await page.ScreenshotAsync(path: "screenshot.png");41            await page.CloseAsync();42            await browser.CloseAsync();43        }44    }45}46{47    {48        static async Task Main(string[] args)49        {50            using var playwright = await Playwright.CreateAsync();51            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunch

Seek

Using AI Code Generation

1var stream = await page.EvaluateHandleAsync("() => new WritableStream()");2var streamWriter = await stream.GetPropertyAsync("writer");3var writer = await streamWriter.GetObjectAsync<Microsoft.Playwright.Core.WritableStreamDefaultWriterImpl>();4var writerWrite = await writer.GetPropertyAsync("write");5await writerWrite.CallAsync(new { value = "hello" });6await writerWrite.CallAsync(new { value = "world" });7await writerWrite.CallAsync(new { value = "!" });8await writer.CloseAsync();9var streamReader = await stream.GetPropertyAsync("getReader");10var reader = await streamReader.GetObjectAsync<Microsoft.Playwright.Core.ReadableStreamDefaultReaderImpl>();11var readerRead = await reader.GetPropertyAsync("read");12var readResult = await readerRead.CallAsync();13while(readResult != null)14{15    var value = await readResult.GetPropertyAsync("value");16    Console.WriteLine(value.ToString());17    readResult = await readerRead.CallAsync();18}19var writerClose = await writer.GetPropertyAsync("close");20await writerClose.CallAsync();21await writer.ReleaseAsync();22await reader.ReleaseAsync();23await stream.ReleaseAsync();24var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");25var streamWriter = await stream.GetPropertyAsync("writer");26var writer = await streamWriter.GetObjectAsync<Microsoft.Playwright.Core.WritableStreamDefaultWriterImpl>();27var writerWrite = await writer.GetPropertyAsync("write");28await writerWrite.CallAsync(new { value = "hello" });29await writerWrite.CallAsync(new { value = "world" });30await writerWrite.CallAsync(new { value = "!" });31await writer.CloseAsync();32var streamReader = await stream.GetPropertyAsync("getReader");33var reader = await streamReader.GetObjectAsync<Microsoft.Playwright.Core.ReadableStreamDefaultReaderImpl>();34var readerRead = await reader.GetPropertyAsync("read");35var readResult = await readerRead.CallAsync();36while(readResult != null)37{38    var value = await readResult.GetPropertyAsync("value");39    Console.WriteLine(value.ToString());40    readResult = await readerRead.CallAsync();41}42var writerClose = await writer.GetPropertyAsync("close");43await writerClose.CallAsync();44await writer.ReleaseAsync();45await reader.ReleaseAsync();46await stream.ReleaseAsync();47var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");

Seek

Using AI Code Generation

1var playwright = Microsoft.Playwright.Core.Playwright.CreateAsync().Result;2var browser = playwright.Firefox.LaunchAsync().Result;3var page = browser.NewPageAsync().Result;4var fileStream = new FileStream("test.txt", FileMode.OpenOrCreate, FileAccess.Write);5var writableStream = page.Console.MessageStream();6writableStream.Seek(0, SeekOrigin.Begin);7writableStream.CopyTo(fileStream);8fileStream.Close();9browser.CloseAsync().Wait();10playwright.Dispose();

Seek

Using AI Code Generation

1var writableStream = await page.CreateWritableAsync();2stream.Seek(5);3await stream.PipeToAsync(writableStream);4var writableStream = await page.CreateWritableAsync();5long length = stream.GetLength();6await stream.PipeToAsync(writableStream);

Seek

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using Microsoft.Playwright.Core;5{6    {7        static async Task Main(string[] args)8        {9            {10                WritableStreamImpl stream = new WritableStreamImpl();11                FileStream fileStream = new FileStream("test.txt", FileMode.OpenOrCreate, FileAccess.Write);12                StreamWriter streamWriter = new StreamWriter(fileStream);13                await streamWriter.WriteLineAsync("This is a test of the Seek method");14                await stream.SeekAsync(0, SeekOrigin.Begin);15                await streamWriter.WriteLineAsync("This is a second test of the Seek method");16                streamWriter.Close();17                fileStream.Close();18            }19            catch (Exception ex)20            {21                Console.WriteLine(ex.Message);22            }23        }24    }25}

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.
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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.
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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.
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.