KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use BrowserTypeLaunchTests class of Microsoft.Playwright.Tests package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.BrowserTypeLaunchTests

BrowserTypeLaunchTests.cs

Source:BrowserTypeLaunchTests.cs

...27using NUnit.Framework;28namespace Microsoft.Playwright.Tests29{30    ///<playwright-file>browsertype-launch.spec.ts</playwright-file>31    public class BrowserTypeLaunchTests : PlaywrightTestEx32    {33        [PlaywrightTest("browsertype-launch.spec.ts", "should reject all promises when browser is closed")]34        public async Task ShouldRejectAllPromisesWhenBrowserIsClosed()35        {36            await using var browser = await BrowserType.LaunchAsync();37            var page = await (await browser.NewContextAsync()).NewPageAsync();38            var neverResolves = page.EvaluateHandleAsync("() => new Promise(r => {})");39            await browser.CloseAsync();40            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => neverResolves);41            // WebKit under task-set -c 1 is giving browser, rest are giving target.42            StringAssert.Contains(" closed", exception.Message);43        }44        [PlaywrightTest("defaultbrowsercontext-2.spec.ts", "should throw if page argument is passed")]45        [Skip(SkipAttribute.Targets.Firefox)]...

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            BrowserTypeLaunchTests test = new BrowserTypeLaunchTests();12            test.LaunchPersistentContextAsync();13        }14    }15}

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            BrowserTypeLaunchTests test = new BrowserTypeLaunchTests();12            test.ShouldWork();13        }14    }15}

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            BrowserTypeLaunchTests test = new BrowserTypeLaunchTests();12            test.LaunchOptionsHeadless();13            Console.WriteLine("Test passed");14            Console.ReadLine();15        }16    }17}18using Microsoft.Playwright.Tests;19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24{25    {26        static void Main(string[] args)27        {28            BrowserTypeLaunchTests test = new BrowserTypeLaunchTests();29            test.LaunchOptionsArgs();30            Console.WriteLine("Test passed");31            Console.ReadLine();32        }33    }34}35using Microsoft.Playwright.Tests;36using System;37using System.Collections.Generic;38using System.Linq;39using System.Text;40using System.Threading.Tasks;41{42    {43        static void Main(string[] args)44        {45            BrowserTypeLaunchTests test = new BrowserTypeLaunchTests();46            test.LaunchOptionsArgs();47            Console.WriteLine("Test passed");48            Console.ReadLine();49        }50    }51}52using Microsoft.Playwright.Tests;53using System;54using System.Collections.Generic;55using System.Linq;56using System.Text;57using System.Threading.Tasks;58{59    {60        static void Main(string[] args)61        {62            BrowserTypeLaunchTests test = new BrowserTypeLaunchTests();63            test.LaunchOptionsIgnoreDefaultArgs();64            Console.WriteLine("Test passed");65            Console.ReadLine();66        }67    }68}69using Microsoft.Playwright.Tests;70using System;71using System.Collections.Generic;72using System.Linq;73using System.Text;74using System.Threading.Tasks;75{76    {77        static void Main(string[] args)78        {79            BrowserTypeLaunchTests test = new BrowserTypeLaunchTests();

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            var browserType = playwright.Chromium;11            await using var browser = await browserType.LaunchAsync();12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });15        }16    }17}18using Microsoft.Playwright;19using Microsoft.Playwright.Tests;20using System;21using System.Threading.Tasks;22{23    {24        static async Task Main(string[] args)25        {26            using var playwright = await Playwright.CreateAsync();27            var browserType = playwright.Chromium;28            await using var browser = await browserType.LaunchAsync();29            var context = await browser.NewContextAsync();30            var page = await context.NewPageAsync();31            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });32        }33    }34}35using Microsoft.Playwright;36using Microsoft.Playwright.Tests;37using System;38using System.Threading.Tasks;39{40    {41        static async Task Main(string[] args)42        {43            using var playwright = await Playwright.CreateAsync();44            var browserType = playwright.Chromium;45            await using var browser = await browserType.LaunchAsync();46            var context = await browser.NewContextAsync();47            var page = await context.NewPageAsync();48            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });49        }50    }51}52using Microsoft.Playwright;53using Microsoft.Playwright.Tests;54using System;55using System.Threading.Tasks;56{57    {

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2BrowserTypeLaunchTests obj = new BrowserTypeLaunchTests();3obj.LaunchPersistentContextWithIgnoreHTTPSErrorsTest();4using Microsoft.Playwright.Tests;5BrowserTypeLaunchTests obj = new BrowserTypeLaunchTests();6obj.LaunchPersistentContextWithIgnoreHTTPSErrorsTest();7using Microsoft.Playwright.Tests;8BrowserTypeLaunchTests obj = new BrowserTypeLaunchTests();9obj.LaunchPersistentContextWithIgnoreHTTPSErrorsTest();10using Microsoft.Playwright.Tests;11BrowserTypeLaunchTests obj = new BrowserTypeLaunchTests();12obj.LaunchPersistentContextWithIgnoreHTTPSErrorsTest();13using Microsoft.Playwright.Tests;14BrowserTypeLaunchTests obj = new BrowserTypeLaunchTests();15obj.LaunchPersistentContextWithIgnoreHTTPSErrorsTest();16using Microsoft.Playwright.Tests;17BrowserTypeLaunchTests obj = new BrowserTypeLaunchTests();18obj.LaunchPersistentContextWithIgnoreHTTPSErrorsTest();

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    {7        public BrowserTypeLaunchTests(ITestOutputHelper output) : base(output)8        {9        }10        public async Task ShouldWork()11        {12            await using var browser = await BrowserType.LaunchAsync();13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "5.png" });15        }16    }17}18using Microsoft.Playwright.Tests;19using System.Threading.Tasks;20using Xunit;21using Xunit.Abstractions;22{23    {24        public BrowserTypeLaunchTests(ITestOutputHelper output) : base(output)25        {26        }27        public async Task ShouldWork()28        {29            await using var browser = await BrowserType.LaunchAsync();30            var page = await browser.NewPageAsync();31            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "6.png" });32        }33    }34}35using Microsoft.Playwright.Tests;36using System.Threading.Tasks;37using Xunit;38using Xunit.Abstractions;39{40    {41        public BrowserTypeLaunchTests(ITestOutputHelper output) : base(output)42        {43        }44        public async Task ShouldWork()45        {

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4{5    {6        async static Task Main(string[] args)7        {8            var browserTypeLaunchTests = new BrowserTypeLaunchTests();9            await browserTypeLaunchTests.LaunchPersistentContextAsync();10        }11    }12}13using Microsoft.Playwright.Tests;14using System;15using System.Threading.Tasks;16{17    {18        async static Task Main(string[] args)19        {20            var browserTypeLaunchTests = new BrowserTypeLaunchTests();21            await browserTypeLaunchTests.LaunchPersistentContextWithIgnoreHTTPSErrorsAsync();22        }23    }24}25using Microsoft.Playwright.Tests;26using System;27using System.Threading.Tasks;28{29    {30        async static Task Main(string[] args)31        {32            var browserTypeLaunchTests = new BrowserTypeLaunchTests();33            await browserTypeLaunchTests.LaunchPersistentContextWithProxyAsync();34        }35    }36}37using Microsoft.Playwright.Tests;38using System;39using System.Threading.Tasks;40{41    {42        async static Task Main(string[] args)43        {44            var browserTypeLaunchTests = new BrowserTypeLaunchTests();45            await browserTypeLaunchTests.LaunchPersistentContextWithProxyAndIgnoreHTTPSErrorsAsync();46        }47    }48}49using Microsoft.Playwright.Tests;50using System;51using System.Threading.Tasks;52{53    {54        async static Task Main(string[] args)55        {56            var browserTypeLaunchTests = new BrowserTypeLaunchTests();57            await browserTypeLaunchTests.LaunchPersistentContextWithProxyAndIgnoreHTTPSErrorsAsync();58        }59    }60}61using Microsoft.Playwright.Tests;62using System;63using System.Threading.Tasks;

BrowserTypeLaunchTests

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6using Microsoft.Playwright.Tests;7using NUnit.Framework;8{9    {10        [PlaywrightTest("browser-type-launch.spec.ts", "should throw if executable path is invalid")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldThrowIfExecutablePathIsInvalid()13        {14            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => BrowserType.LaunchAsync(new LaunchOptions15            {16            }));17            StringAssert.Contains("Failed to launch browser!", exception.Message);18        }19    }20}21using System;22using System.Collections.Generic;23using System.Text;24using System.Threading.Tasks;25using Microsoft.Playwright;26using Microsoft.Playwright.Tests;27using NUnit.Framework;28{29    {30        [PlaywrightTest("browser-type-launch.spec.ts", "should throw if userDataDir option is passed")]31        [Test, Timeout(TestConstants.DefaultTestTimeout)]32        public async Task ShouldThrowIfUserDataDirOptionIsPassed()33        {34            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => BrowserType.LaunchPersistentContextAsync(TestConstants.GetEmptyUserDataDir(), new LaunchPersistentContextOptions35            {36                Args = new[] { TestConstants.ServerUrl }37            }));38            StringAssert.Contains("userDataDir option is not supported in `browserType.launchPersistentContext`. Use `browserType.launch` with `persistent: true` option instead.", exception.Message);39        }40    }41}42using System;43using System.Collections.Generic;44using System.Text;45using System.Threading.Tasks;46using Microsoft.Playwright;47using Microsoft.Playwright.Tests;48using NUnit.Framework;49{50    {51        [PlaywrightTest("browser-type-launch.spec.ts", "should throw if userDataDir option is passed")]52        [Test, Timeout(TestConstants.DefaultTestTimeout)]

BrowserTypeLaunchTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using NUnit.Framework;3using System;4using System.Collections.Generic;5using System.Text;6{7    {8        public void LaunchShouldWork()9        {10            using var playwright = Playwright.CreateAsync().Result;11            var browser = playwright.Firefox.LaunchAsync().Result;12            var page = browser.NewPageAsync().Result;13            page.ScreenshotAsync(path: "example.png").Wait();14            browser.CloseAsync().Wait();15        }16    }17}

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.