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How to use Program class of Microsoft.Playwright package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Program

MainViewModel.cs

Source:MainViewModel.cs

...12        public ObservableCollection<FileDisplay> ScriptSource { get; }13        private string rootPath;14        public async void RecordingStarted()15        {16            var exitCode = Microsoft.Playwright.Program.Main(new[] {"install"});17            if (exitCode != 0)18            {19                throw new Exception($"Playwright exited with code {exitCode}");20            }            21            var playwright = await Playwright.CreateAsync();22            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions()23            {24                Headless = false,25                TracesDir = rootPath26            });27            var context = await browser.NewContextAsync(); // Pass any options28            var page = await browser.NewPageAsync();29            await page.PauseAsync();30        }...

WebServerTests.cs

Source:WebServerTests.cs

...16        public IBrowser browser { get; private set; }17        public string baseUrl { get; } = $"https://localhost:{GetRandomUnusedPort()}";18        public WebServerDriver()19        {20            host = AdvancedActions.Program21                .CreateHostBuilder(null)22                .ConfigureWebHostDefaults(webBuilder =>23                {24                    webBuilder.UseStartup<Startup>();25                    webBuilder.UseUrls(baseUrl);26                })27                .ConfigureServices(configure =>28                { })29                .Build();30        }31        public async Task InitializeAsync()32        {33            playwright = await Playwright.CreateAsync();34            browser = await playwright.Chromium.LaunchAsync();...

BlazorWASMPlaywrightTests.cs

Source:BlazorWASMPlaywrightTests.cs

...3using Xunit;4namespace BlazorWASMPlaywright.Tests5{6    // https://www.meziantou.net/automated-ui-tests-an-asp-net-core-application-with-playwright-and-xunit.htm7    public class BlazorWASMPlaywrightTests : IClassFixture<BlazorWebAssemblyWebHostFixture<Program>>8    {9        private readonly BlazorWebAssemblyWebHostFixture<Program> _server;10        public BlazorWASMPlaywrightTests(BlazorWebAssemblyWebHostFixture<Program> server) => _server = server;11        [Fact]12        public async Task DisplayHomePage()13        {14            var browser = await GetBrowser();15            var page = await browser.NewPageAsync();16            await page.GotoAsync(_server.RootUri.AbsoluteUri);17            var header = await page.WaitForSelectorAsync("h1");18            Assert.Equal("Hello, world!", await header.InnerTextAsync());19            await browser.CloseAsync();20        }21        [Fact]22        public async Task Counter()23        {24            var browser = await GetBrowser();...

Tests.cs

Source:Tests.cs

...14        private readonly ITestOutputHelper outputHelper;15        public Tests(ITestOutputHelper outputHelper)16        {17            outputHelper.WriteLine("Setting up browser drivers. This might take awhile");18            Microsoft.Playwright.Program.Main(new[] {"install"});19            20            playwright = Playwright.CreateAsync().GetAwaiter().GetResult();21            outputHelper.WriteLine("Finished setting up browser drivers");22            this.outputHelper = outputHelper;23        }24        //[Fact]25        public async Task WithAttrs()26        {27            var isHeadless = Environment.GetEnvironmentVariable("CI") == "true";28            var launchOptions = new BrowserTypeLaunchOptions29            {30                Headless = isHeadless31            };32            ...

Program.cs

Source:Program.cs

1ï»¿using Microsoft.Playwright;2class Program3{   4    public static async Task Main()5    {6        // Ensure browsers are installed: https://playwright.dev/dotnet/docs/browsers#prerequisites-for-net7        Microsoft.Playwright.Program.Main(new string[] {"install" });8        9        var inputDir = @"media\input";10        var outputDir = @"media\output";11        var width = 70;12        var height = 70;13        using var playwright = await Playwright.CreateAsync();14        await using var browser = await playwright.Chromium.LaunchAsync(new() { Headless = false });15        var page = await browser.NewPageAsync();16        await page.SetViewportSizeAsync(width, height);17        var files = new DirectoryInfo(inputDir).GetFiles("*.svg").Select(x => x.FullName).ToArray();18        foreach(var filePath in files)19        {20            var fileName = filePath.Split(@"\").Last();21            await page.GotoAsync(filePath);...

PdfExporter.cs

Source:PdfExporter.cs

...9    public async Task ExportAsync(string content, string filePath)10    {11      // Install Chrome before using Playwright.12      // (See: https://github.com/microsoft/playwright-dotnet/issues/1545#issuecomment-865199736)13      Program.Main(new[] {"install", "chromium"});14      using var playwright = await Playwright.CreateAsync();15      await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions16      {17        Headless = true18      });19      await using var context = await browser.NewContextAsync();20      var page = await context.NewPageAsync();21      await page.EmulateMediaAsync(new PageEmulateMediaOptions {Media = Media.Print});22      var encoded = Convert.ToBase64String(Encoding.UTF8.GetBytes(content));23      await page.GotoAsync($"data:text/html;base64,{encoded}", new PageGotoOptions {WaitUntil = WaitUntilState.NetworkIdle});24      await page.PdfAsync(new PagePdfOptions25      {26        Path = filePath,27        Format = "Letter",...

Program

Using AI Code Generation

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

Program

Using AI Code Generation

1using Microsoft.Playwright;2{3    {4        static async Task Main(string[] args)5        {6            await using var playwright = await Playwright.CreateAsync();7            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions8            {9            });10            var page = await browser.NewPageAsync();11        }12    }13}14using Microsoft.Playwright;15{16    {17        static async Task Main(string[] args)18        {19            await using var playwright = await Playwright.CreateAsync();20            await using var browser = await playwright.Firefox.LaunchAsync(new BrowserTypeLaunchOptions21            {22            });23            var page = await browser.NewPageAsync();24        }25    }26}27using Microsoft.Playwright;28{29    {30        static async Task Main(string[] args)31        {32            await using var playwright = await Playwright.CreateAsync();33            await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions34            {35            });36            var page = await browser.NewPageAsync();37        }38    }39}40using Microsoft.Playwright;41{42    {43        static async Task Main(string[] args)44        {45            await using var playwright = await Playwright.CreateAsync();46            await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions47            {48            });49            var page = await browser.NewPageAsync();50            await page.ScreenshotAsync("screenshot.png");51        }52    }53}54using Microsoft.Playwright;55{56    {57        static async Task Main(string

Program

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            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.ScreenshotAsync("google.png");14        }15    }16}17using Microsoft.Playwright;18using System;19using System.Threading.Tasks;20{21    {22        static async Task Main(string[] args)23        {24            using var playwright = await Playwright.CreateAsync();25            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions26            {27            });28            var page = await browser.NewPageAsync();29            await page.ScreenshotAsync("google.png");30        }31    }32}33using Microsoft.Playwright;34using System;35using System.Threading.Tasks;36{37    {38        static async Task Main(string[] args)39        {40            using var playwright = await Playwright.CreateAsync();41            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions42            {43            });44            var page = await browser.NewPageAsync();45            await page.ScreenshotAsync("google.png");46        }47    }48}49using Microsoft.Playwright;50using System;51using System.Threading.Tasks;52{53    {54        static async Task Main(string[] args)55        {56            using var playwright = await Playwright.CreateAsync();57            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions58            {

Program

Using AI Code Generation

1using Microsoft.Playwright;2IPage page;3await using var playwright = await Playwright.CreateAsync();4await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions5{6});7page = await browser.NewPageAsync();8using Microsoft.Playwright;9IPage page;10await using var playwright = await Playwright.CreateAsync();11await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12{13});14page = await browser.NewPageAsync();15using Microsoft.Playwright;16IPage page;17await using var playwright = await Playwright.CreateAsync();18await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions19{20});21page = await browser.NewPageAsync();22using Microsoft.Playwright;23IPage page;24await using var playwright = await Playwright.CreateAsync();25await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions26{27});28page = await browser.NewPageAsync();29using Microsoft.Playwright;30IPage page;31await using var playwright = await Playwright.CreateAsync();32await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions33{34});35page = await browser.NewPageAsync();36using Microsoft.Playwright;37IPage page;38await using var playwright = await Playwright.CreateAsync();39await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions40{41});42page = await browser.NewPageAsync();

Program

Using AI Code Generation

1using Microsoft.Playwright;2class Program {3    static async Task Main() {4        using var playwright = await Playwright.CreateAsync();5        var browser = await playwright.Chromium.LaunchAsync();6        var page = await browser.NewPageAsync();7        await page.ScreenshotAsync("google.png");8        await browser.CloseAsync();9    }10}11using Microsoft.Playwright;12class Program {13    static async Task Main() {14        using var playwright = await Playwright.CreateAsync();15        var browser = await playwright.Chromium.LaunchAsync();16        var page = await browser.NewPageAsync();17        await page.ScreenshotAsync("google.png");18        await page.TypeAsync("input[aria-label='Search']", "Hello World");19        await page.PressAsync("input[aria-label='Search']", "Enter");20        await page.ScreenshotAsync("google-search.png");21        await browser.CloseAsync();22    }23}

Program

Using AI Code Generation

1using Microsoft.Playwright;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(new BrowserTypeLaunchOptions9        {10        });11        var page = await browser.NewPageAsync();12        await page.ClickAsync("input[name='q']");13        await page.TypeAsync("input[name='q']", "Hello World");14        await page.ClickAsync("input[name='q']");15        await page.ScreenshotAsync("screenshot.png");16    }17}

Program

Using AI Code Generation

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

Program

Using AI Code Generation

1using Microsoft.Playwright;2{3    {4        static async Task Main(string[] args)5        {6            using var playwright = await Playwright.CreateAsync();7            await using var browser = await playwright.Chromium.LaunchAsync();8            var page = await browser.NewPageAsync();9            await page.TypeAsync("input[title='Search']", "Hello World");10            await page.ClickAsync("input[value='Google Search']");11            await page.ScreenshotAsync("screenshot.png");12            await browser.CloseAsync();13        }14    }15}16using Microsoft.Playwright;17{18    {19        static async Task Main(string[] args)20        {21            using var playwright = await Playwright.CreateAsync();22            await using var browser = await playwright.Chromium.LaunchAsync();23            var page = await browser.NewPageAsync();24            await page.TypeAsync("input[title='Search']", "Hello World");25            await page.ClickAsync("input[value='Google Search']");26            await page.ScreenshotAsync("screenshot.png");27            await browser.CloseAsync();28        }29    }30}31using Microsoft.Playwright;32{33    {34        static async Task Main(string[] args)35        {36            using var playwright = await Playwright.CreateAsync();37            await using var browser = await playwright.Chromium.LaunchAsync();

Program

Using AI Code Generation

1using Microsoft.Playwright;2using System;3{4    {5        static async System.Threading.Tasks.Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync();9            var page = await browser.NewPageAsync();10            await page.WaitForSelectorAsync(".useragent");11            var userAgent = await page.EvaluateAsync<string>("() => document.querySelector('.useragent').textContent");12            Console.WriteLine(userAgent);13        }14    }15}16Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/85.0.4183.0 Safari/537.36

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.