How to use Browser class of Microsoft.Playwright.Core package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Browser

WebHostServerFixture.cs

Source:WebHostServerFixture.cs

...15using System.Threading.Tasks;16using Xunit;17namespace PlaywrightFeatureTest.Infrastructure18{19    [CollectionDefinition(TestConstants.TestFixtureBrowserCollectionName, DisableParallelization = true)]20    public class ShareWebserver : ICollectionFixture<WebHostServerFixture>21    {22    }23    public class WebHostServerFixture : IDisposable, IAsyncLifetime24    {25        internal static IPlaywright Playwright { get; private set; }26        internal static IBrowser Browser { get; private set; }27        private readonly Lazy<Uri> _rootUriInitializer;28        public Uri RootUri => _rootUriInitializer.Value;29        public IHost Host { get; set; }30        public WebHostServerFixture()31        {32            _rootUriInitializer = new Lazy<Uri>(() => new Uri(StartAndGetRootUri()));33        }34        protected static void RunInBackgroundThread(Action action)35        {36            using var isDone = new ManualResetEvent(false);37            ExceptionDispatchInfo edi = null;38            new Thread(() =>39            {40                try41                {42                    action();43                }44                catch (Exception ex)45                {46                    edi = ExceptionDispatchInfo.Capture(ex);47                }48                isDone.Set();49            }).Start();50            if (!isDone.WaitOne(TimeSpan.FromSeconds(150)))51                throw new TimeoutException("Timed out waiting for: " + action);52            if (edi != null)53                throw edi.SourceException;54        }55        protected string StartAndGetRootUri()56        {57            // As the port is generated automatically, we can use IServerAddressesFeature to get the actual server URL58            Host = CreateWebHost();59            RunInBackgroundThread(Host.Start);60            return Host.Services.GetRequiredService<IServer>().Features61                .Get<IServerAddressesFeature>()62                .Addresses.FirstOrDefault();63        }64        /// <inheritdoc/>65        public Task InitializeAsync() => LaunchBrowserAsync();66        /// <inheritdoc/>67        public Task DisposeAsync() => ShutDownAsync();68        private async Task LaunchBrowserAsync()69        {70            try71            {72                Playwright = await PlaywrightSharp.Playwright.CreateAsync(TestConstants.LoggerFactory, debug: "pw*");73                Browser = await Playwright[TestConstants.Product].LaunchAsync(TestConstants.GetDefaultBrowserOptions());74            }75            catch (Exception ex)76            {77                Console.WriteLine(ex);78                throw new Exception("Launch failed", ex);79            }80        }81        internal async Task ShutDownAsync()82        {83            try84            {85                await Browser.CloseAsync();86                Playwright.Dispose();87            }88            catch (Exception ex)89            {90                Console.WriteLine(ex);91                throw new Exception("Shutdown failed", ex);92            }93        }94        public void Dispose()95        {96            Host?.Dispose();97            Host?.StopAsync();98        }99        protected IHost CreateWebHost()...

PlaywrightTestBase.cs

Source:PlaywrightTestBase.cs

...5using System.IO;6using System.Reflection;7using System.Runtime.InteropServices;8using System.Threading.Tasks;9using Microsoft.AspNetCore.BrowserTesting;10using Microsoft.AspNetCore.Testing;11using Microsoft.Extensions.Configuration;12using Microsoft.Extensions.Logging;13using Microsoft.Extensions.Logging.Testing;14using Xunit;15using Xunit.Abstractions;16using Xunit.Sdk;17namespace Microsoft.AspNetCore.Components.E2ETest.Infrastructure18{19    public class PlaywrightTestBase : LoggedTest, IAsyncLifetime20    {21        private static readonly bool _isCIEnvironment =22            !string.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable("ContinuousIntegrationBuild"));23        public PlaywrightTestBase(ITestOutputHelper output) : base(output) { }24        protected override async Task InitializeCoreAsync(TestContext context)25        {26            BrowserManager = await BrowserManager.CreateAsync(CreateConfiguration(), LoggerFactory);27            BrowserContextInfo = new ContextInformation(LoggerFactory);28            _output = new TestOutputLogger(Logger);29        }30        public Task InitializeAsync() => Task.CompletedTask;31        private static IConfiguration CreateConfiguration()32        {33            var basePath = Path.GetDirectoryName(typeof(PlaywrightTestBase).Assembly.Location);34            var os = Environment.OSVersion.Platform switch35            {36                PlatformID.Win32NT => "win",37                PlatformID.Unix => "linux",38                PlatformID.MacOSX => "osx",39                _ => null40            };41            var builder = new ConfigurationBuilder()42                .AddJsonFile(Path.Combine(basePath, "playwrightSettings.json"))43                .AddJsonFile(Path.Combine(basePath, $"playwrightSettings.{os}.json"), optional: true);44            if (_isCIEnvironment)45            {46                builder.AddJsonFile(Path.Combine(basePath, "playwrightSettings.ci.json"), optional: true)47                    .AddJsonFile(Path.Combine(basePath, $"playwrightSettings.ci.{os}.json"), optional: true);48            }49            if (Debugger.IsAttached)50            {51                builder.AddJsonFile(Path.Combine(basePath, "playwrightSettings.debug.json"), optional: true);52            }53            return builder.Build();54        }55        public Task DisposeAsync() => BrowserManager.DisposeAsync();56        private ITestOutputHelper _output;57        public ITestOutputHelper Output58        {59            get60            {61                if (_output == null)62                {63                    _output = new TestOutputLogger(Logger);64                }65                return _output;66            }67        }68        public ContextInformation BrowserContextInfo { get; protected set; }69        public BrowserManager BrowserManager { get; private set; }70    }71}...

BasedPdfController.cs

Source:BasedPdfController.cs

1ï»¿using System.IO;2using System.Linq;3using System.Text;4using System.Threading.Tasks;5using Microsoft.AspNetCore.Mvc;6using Microsoft.AspNetCore.Mvc.Controllers;7using Microsoft.AspNetCore.Mvc.Razor;8using Microsoft.AspNetCore.Mvc.Rendering;9using Microsoft.AspNetCore.Routing;10using Microsoft.Extensions.DependencyInjection;11using Microsoft.Extensions.Options;12using PlaywrightSharp;13namespace ProjectF.Api.Features.PdfGenerator14{15    public class BasePdfController : Controller16    {17        private static readonly Task playwrightInstall;18        static BasePdfController()19        {20            playwrightInstall = Playwright.InstallAsync();21        }22        protected Task<FileContentResult> Pdf() => Pdf(View());23        protected Task<FileContentResult> Pdf(string viewName) => Pdf(View(viewName));24        protected Task<FileContentResult> Pdf(object model) => Pdf(View(model));25        protected Task<FileContentResult> Pdf(string viewName, object model) => Pdf(View(viewName, model));26        protected async Task<FileContentResult> Pdf(ViewResult result)27        {28            await playwrightInstall;29            using var playwright = await Playwright.CreateAsync();30            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions31            {32                Headless = true33            });34            var page = await browser.NewPageAsync();35            var html = await GetHtml(result);36            await page.SetContentAsync(html);37            var pdf = await page.GetPdfAsync();38            return File(pdf, "application/pdf");39        }40        private async Task<string> GetHtml(ViewResult result)41        {42            // Get html from the result.43            // https://weblogs.asp.net/ricardoperes/getting-html-for-a-viewresult-in-asp-net-core44            var routeData = HttpContext.GetRouteData();45            var viewName = result.ViewName ?? routeData.Values["action"] as string;46            var actionContext = new ActionContext(HttpContext, routeData, new ControllerActionDescriptor());47            var options = HttpContext.RequestServices.GetRequiredService<IOptions<MvcViewOptions>>();48            var htmlHelperOptions = options.Value.HtmlHelperOptions;49            50            var viewEngineResult = result.ViewEngine?.FindView(actionContext, viewName, true)51                                   ?? options.Value.ViewEngines.Select(x => x.FindView(actionContext, viewName, true))52                                       .First(x => x != null);53            var view = viewEngineResult.View;54            var builder = new StringBuilder();55            await using var output = new StringWriter(builder);56            var viewContext = new ViewContext(actionContext, view, result.ViewData, result.TempData, output, htmlHelperOptions);57            await view.RenderAsync(viewContext);58            return builder.ToString();59        }60    }61}...

Browser

Using AI Code Generation

1using Microsoft.Playwright;2var playwright = await Playwright.CreateAsync();3var browser = await playwright.Chromium.LaunchAsync();4var page = await browser.NewPageAsync();5await page.ScreenshotAsync("example.png");6await browser.CloseAsync();

Browser

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 context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.ScreenshotAsync("google.png");15            await browser.CloseAsync();16        }17    }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23    {24        static async Task Main(string[] args)25        {26            using var playwright = await Playwright.CreateAsync();27            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions28            {29            });30            await using var context = await browser.NewContextAsync();31            await using var page = await context.NewPageAsync();32            await page.ScreenshotAsync("google.png");33        }34    }35}36using Microsoft.Playwright;37using System;38using System.Threading.Tasks;39{40    {41        static async Task Main(string[] args)42        {43            await using var playwright = await Playwright.CreateAsync();44            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions45            {46            });47            await using var context = await browser.NewContextAsync();48            await using var page = await context.NewPageAsync();49            await page.ScreenshotAsync("google.png");50        }51    }52}53using Microsoft.Playwright;54using System;55using System.Threading.Tasks;56{57    {58        static async Task Main(string[] args)59        {60            await using var playwright = await Playwright.CreateAsync();

Browser

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System;3using System.Threading.Tasks;4{5    static async Task Main(string[] args)6    {7        await using var playwright = await Playwright.CreateAsync();8        await using var browser = await playwright.Chromium.LaunchAsync(headless: false);9        var page = await browser.NewPageAsync();10    }11}12using Microsoft.Playwright;13using System;14using System.Threading.Tasks;15{16    static async Task Main(string[] args)17    {18        await using var playwright = await Playwright.CreateAsync();19        await using var browser = await playwright.Chromium.LaunchAsync(headless: false);20        var page = await browser.NewPageAsync();21    }22}23using Microsoft.Playwright;24using System;25using System.Threading.Tasks;26{27    static async Task Main(string[] args)28    {29        await using var playwright = await Playwright.CreateAsync();30        await using var browser = await playwright.Chromium.LaunchAsync(headless: false);31        var page = await browser.NewPageAsync();32    }33}34using Microsoft.Playwright;35using System;36using System.Threading.Tasks;37{38    static async Task Main(string[] args)39    {40        await using var playwright = await Playwright.CreateAsync();41        await using var browser = await playwright.Chromium.LaunchAsync(headless: false);42        var page = await browser.NewPageAsync();43    }44}45using Microsoft.Playwright;46using System;47using System.Threading.Tasks;48{49    static async Task Main(string[] args)50    {51        await using var playwright = await Playwright.CreateAsync();52        await using var browser = await playwright.Chromium.LaunchAsync(headless: false);53        var page = await browser.NewPageAsync();54    }55}

Browser

Using AI Code Generation

1using Microsoft.Playwright.Core;2var browser = await BrowserType.LaunchAsync(new LaunchOptions { Headless = false });3var context = await browser.NewContextAsync();4var page = await context.NewPageAsync();5await page.ScreenshotAsync("google.png");6await browser.CloseAsync();

Browser

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync("screenshot.png");15            await browser.CloseAsync();16        }17    }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23    {24        static async Task Main(string[] args)25        {26            Console.WriteLine("Hello World!");27            using var playwright = await Playwright.CreateAsync();28            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions29            {30            });31            var page = await browser.NewPageAsync();32            await page.ScreenshotAsync("screenshot.png");33            await browser.CloseAsync();34        }35    }36}37using Microsoft.Playwright;38using System;39using System.Threading.Tasks;40{41    {42        static async Task Main(string[] args)43        {44            Console.WriteLine("Hello World!");45            using var playwright = await Playwright.CreateAsync();46            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions47            {48            });49            var page = await browser.NewPageAsync();50            await page.ScreenshotAsync("screenshot.png");51            await browser.CloseAsync();52        }53    }54}55using Microsoft.Playwright;56using System;57using System.Threading.Tasks;58{59    {60        static async Task Main(string[] args)61        {62            Console.WriteLine("Hello World!");

Browser

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.TypeAsync("input[title='Search']", "Hello World");14            await page.PressAsync("input[title='Search']", "Enter");15            await page.ScreenshotAsync("screenshot.png");16            await browser.CloseAsync();17        }18    }19}20using Microsoft.Playwright;21using System;22using System.Threading.Tasks;23{24    {25        static async Task Main(string[] args)26        {27            using var playwright = await Playwright.CreateAsync();28            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions29            {30            });31            var page = await browser.NewPageAsync();32            await page.TypeAsync("input[title='Search']", "Hello World");33            await page.PressAsync("input[title='Search']", "Enter");34            await page.ScreenshotAsync("screenshot.png");35            await browser.CloseAsync();36        }37    }38}39using Microsoft.Playwright;40using System;41using System.Threading.Tasks;42{43    {44        static async Task Main(string[] args)45        {46            using var playwright = await Playwright.CreateAsync();47            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions48            {49            });50            var page = await browser.NewPageAsync();51            await page.TypeAsync("input[title='Search']", "Hello World");52            await page.PressAsync("input[title='Search']", "Enter");53            await page.ScreenshotAsync("screenshot.png");54            await browser.CloseAsync();

Browser

Using AI Code Generation

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

Browser

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            await using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync();9            var page = await browser.NewPageAsync();10            await page.TypeAsync("input[title='Search']", "playwright");11            await page.PressAsync("input[title='Search']", "Enter");12            await page.ScreenshotAsync("google.png");13            await page.CloseAsync();14        }15    }16}17app.Run(async (context) =>18{19    await context.Response.WriteAsync("Hello World!");20});21using Microsoft.Playwright.Core;22using System.Threading.Tasks;23{24            var context = await browser.NewContextAsync();25            var page = await context.NewPageAsync();26            await page.ScreenshotAsync("google.png");27            await browser.CloseAsync();28        }29    }30}

Browser

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            await using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync();9            var page = await browser.NewPageAsync();10            await page.TypeAsync("input[title='Search']", "playwright");11            await page.PressAsync("input[title='Search']", "Enter");12            await page.ScreenshotAsync("google.png");13            await page.CloseAsync();14        }15    }16}17app.Run(async (context) =>18{19    await context.Response.WriteAsync("Hello World!");20});21using Microsoft.Playwright.Core;22using System.Threading.Tasks;23{

Browser

Using AI Code Generation

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

Browser

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            await using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync();9            var page = await browser.NewPageAsync();10            await page.TypeAsync("input[title='Search']", "playwright");11            await page.PressAsync("input[title='Search']", "Enter");12            await page.ScreenshotAsync("google.png");13            await page.CloseAsync();14        }15    }16}17app.Run(async (context) =>18{19    await context.Response.WriteAsync("Hello World!");20});21using Microsoft.Playwright.Core;22using System.Threading.Tasks;23{

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.