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

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

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

HeadfulTests.cs

Source:HeadfulTests.cs

...28using NUnit.Framework;29namespace Microsoft.Playwright.Tests30{31    ///<playwright-file>headful.spec.ts</playwright-file>32    public class HeadfulTests : PlaywrightTestEx33    {34        [PlaywrightTest("headful.spec.ts", "should have default url when launching browser")]35        public async Task ShouldHaveDefaultUrlWhenLaunchingBrowser()36        {37            using var tempDir = new TempDirectory();38            await using var browserContext = await LaunchPersistentHeaded(tempDir.Path);39            string[] pages = browserContext.Pages.Select(page => page.Url).ToArray();40            Assert.AreEqual(new[] { "about:blank" }, pages);41        }42        [PlaywrightTest("headful.spec.ts", "headless should be able to read cookies written by headful")]43        [Ignore("Flaky")]44        public async Task HeadlessShouldBeAbleToReadCookiesWrittenByHeadful()45        {46            using var userDataDir = new TempDirectory();...

DownloadsPathTests.cs

Source:DownloadsPathTests.cs

...27using Microsoft.Playwright.NUnit;28using NUnit.Framework;29namespace Microsoft.Playwright.Tests30{31    public class DownloadsPathTests : PlaywrightTestEx32    {33        private IBrowser _browser { get; set; }34        private TempDirectory _tmp = null;35        [PlaywrightTest("downloads-path.spec.ts", "should keep downloadsPath folder")]36        public async Task ShouldKeepDownloadsPathFolder()37        {38            var page = await _browser.NewPageAsync(new() { AcceptDownloads = false });39            await page.SetContentAsync($"<a href=\"{Server.Prefix}/download\">download</a>");40            var downloadTask = page.WaitForDownloadAsync();41            await TaskUtils.WhenAll(42                downloadTask,43                page.ClickAsync("a"));44            var download = downloadTask.Result;45            Assert.AreEqual($"{Server.Prefix}/download", download.Url);...

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)]...

ProxyTests.cs

Source:ProxyTests.cs

...28using Microsoft.Playwright.NUnit;29using NUnit.Framework;30namespace Microsoft.Playwright.Tests31{32    public class ProxyTests : PlaywrightTestEx33    {34        [PlaywrightTest("proxy.spec.ts", "should use proxy")]35        public async Task ShouldUseProxy()36        {37            Server.SetRoute("/target.html", ctx => ctx.Response.WriteAsync("<html><title>Served by the proxy</title></html>"));38            var proxy = new Proxy { Server = $"localhost:{Server.Port}" };39            await using var browser = await BrowserType.LaunchAsync(new() { Proxy = proxy });40            var page = await browser.NewPageAsync();41            await page.GotoAsync("http://non-existent.com/target.html");42            Assert.AreEqual("Served by the proxy", await page.TitleAsync());43        }44        [PlaywrightTest("proxy.spec.ts", "should authenticate")]45        public async Task ShouldAuthenticate()46        {...

BrowserTypeConnectOverCDPTests.cs

Source:BrowserTypeConnectOverCDPTests.cs

...28using NUnit.Framework;29namespace Microsoft.Playwright.Tests30{31    ///<playwright-file>chromium/chromium.spec.ts</playwright-file>32    public class BrowserTypeConnectOverCDPTests : PlaywrightTestEx33    {34        [PlaywrightTest("chromium/chromium.spec.ts", "should connect to an existing cdp session")]35        [Skip(SkipAttribute.Targets.Firefox, SkipAttribute.Targets.Webkit)]36        public async Task ShouldConnectToAnExistingCDPSession()37        {38            int port = 9393 + WorkerIndex;39            IBrowser browserServer = await BrowserType.LaunchAsync(new() { Args = new[] { $"--remote-debugging-port={port}" } });40            try41            {42                IBrowser cdpBrowser = await BrowserType.ConnectOverCDPAsync($"http://localhost:{port}/");43                var contexts = cdpBrowser.Contexts;44                Assert.AreEqual(1, cdpBrowser.Contexts.Count);45                var page = await cdpBrowser.Contexts[0].NewPageAsync();46                Assert.AreEqual(2, await page.EvaluateAsync<int>("1 + 1"));...

FirefoxLauncherTests.cs

Source:FirefoxLauncherTests.cs

...28namespace Microsoft.Playwright.Tests.Firefox29{30    ///<playwright-file>firefox/launcher.spec.ts</playwright-file>31    ///<playwright-describe>launcher</playwright-describe>32    public class FirefoxLauncherTests : PlaywrightTestEx33    {34        [PlaywrightTest("firefox/launcher.spec.ts", "should pass firefox user preferences")]35        [Skip(SkipAttribute.Targets.Chromium, SkipAttribute.Targets.Webkit)]36        public async Task ShouldPassFirefoxUserPreferences()37        {38            var firefoxUserPrefs = new Dictionary<string, object>39            {40                ["network.proxy.type"] = 1,41                ["network.proxy.http"] = "127.0.0.1",42                ["network.proxy.http_port"] = 333,43            };44            await using var browser = await BrowserType.LaunchAsync(new() { FirefoxUserPrefs = firefoxUserPrefs });45            var page = await browser.NewPageAsync();46            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => page.GotoAsync("http://example.com"));...

BrowserTypeBasicTests.cs

Source:BrowserTypeBasicTests.cs

...26using Microsoft.Playwright.NUnit;27using NUnit.Framework;28namespace Microsoft.Playwright.Tests29{30    public class BrowserTypeBasicTests : PlaywrightTestEx31    {32        [PlaywrightTest("browsertype-basic.spec.ts", "browserType.executablePath should work")]33        public void BrowserTypeExecutablePathShouldWork() => Assert.True(File.Exists(BrowserType.ExecutablePath));34        [PlaywrightTest("browsertype-basic.spec.ts", "browserType.name should work")]35        public void BrowserTypeNameShouldWork()36            => Assert.AreEqual(37                TestConstants.BrowserName switch38                {39                    "webkit" => "webkit",40                    "firefox" => "firefox",41                    "chromium" => "chromium",42                    _ => null43                },44                BrowserType.Name);...

PlaywrightTestEx.cs

Source:PlaywrightTestEx.cs

...26using Microsoft.Playwright.Tests.TestServer;27using NUnit.Framework;28namespace Microsoft.Playwright.Tests29{30    public class PlaywrightTestEx : PlaywrightTest31    {32        public SimpleServer Server { get; internal set; }33        public SimpleServer HttpsServer { get; internal set; }34        [SetUp]35        public async Task HttpSetup()36        {37            var http = await HttpService.Register(this);38            Server = http.Server;39            HttpsServer = http.HttpsServer;40        }41    }42}...

PlaywrightTestEx

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            var playwrightTestEx = new PlaywrightTestEx();10            await playwrightTestEx.RunTest();11        }12    }13}

PlaywrightTestEx

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using NUnit.Framework;3{4    {5        public async Task MyTest()6        {7            await Page.ScreenshotAsync(new PageScreenshotOptions8            {9            });10        }11    }12}

PlaywrightTestEx

Using AI Code Generation

1{2    public static async Task Main()3    {4        using var playwright = await Playwright.CreateAsync();5        await using var browser = await playwright.Chromium.LaunchAsync();6        var page = await browser.NewPageAsync();7        await page.ScreenshotAsync("screenshot.png");8    }9}10Error	CS0246	The type or namespace name 'Playwright' could not be found (are you missing a using directive or an assembly reference?)	2	C:\Users\user\source\repos\2\2\2.cs	9	Active11using Microsoft.Playwright.Tests;12using Microsoft.Playwright;

PlaywrightTestEx

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static async Task Main(string[] args)11        {12            PlaywrightTestEx playwrightTestEx = new PlaywrightTestEx();13            await playwrightTestEx.Run();14        }15    }16}17using Microsoft.Playwright;18using Microsoft.Playwright.Tests;19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24{25    {26        static async Task Main(string[] args)27        {28            PlaywrightTestEx playwrightTestEx = new PlaywrightTestEx();29            await playwrightTestEx.Run();30        }31    }32}33using Microsoft.Playwright;34using Microsoft.Playwright.Tests;35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40{41    {42        static async Task Main(string[] args)43        {44            PlaywrightTestEx playwrightTestEx = new PlaywrightTestEx();45            await playwrightTestEx.Run();46        }47    }48}49using Microsoft.Playwright;50using Microsoft.Playwright.Tests;51using System;52using System.Collections.Generic;53using System.Linq;54using System.Text;55using System.Threading.Tasks;56{57    {58        static async Task Main(string[] args)59        {60            PlaywrightTestEx playwrightTestEx = new PlaywrightTestEx();61            await playwrightTestEx.Run();62        }63    }64}65using Microsoft.Playwright;66using Microsoft.Playwright.Tests;67using System;68using System.Collections.Generic;69using System.Linq;

PlaywrightTestEx

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using Microsoft.Playwright;3using System.Threading.Tasks;4{5    {6        public static async Task Main(string[] args)7        {8            PlaywrightTestEx playwrightTestEx = new PlaywrightTestEx();9            await playwrightTestEx.RunAsync();10        }11    }12}13using Microsoft.Playwright.Tests;14using Microsoft.Playwright;15using System.Threading.Tasks;16{17    {18        public override async Task InitializeAsync()19        {20            await base.InitializeAsync();21        }22    }23}24await Page.TypeAsync("input[title='Search']", "playwright");25await Page.ClickAsync("input[value='Google Search']");

PlaywrightTestEx

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var playwrightTest = new PlaywrightTestEx();9            await playwrightTest.RunTest("test1");10        }11    }12}

PlaywrightTestEx

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5using Xunit;6using Xunit.Abstractions;7{8    {9        public PlaywrightTests(ITestOutputHelper output) : base(output)10        {11        }12        public async Task Test1()13        {14            await Page.ScreenshotAsync(new PageScreenshotOptions15            {16            });17        }18    }19}

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.