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

How to use ShouldBeAbleToPreventSelectAll method of Microsoft.Playwright.Tests.PageKeyboardTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageKeyboardTests.ShouldBeAbleToPreventSelectAll

PageKeyboardTests.cs

Source:PageKeyboardTests.cs

...400            Assert.IsEmpty(await Page.EvalOnSelectorAsync<string>("textarea", "textarea => textarea.value"));401        }402        [PlaywrightTest("page-keyboard.spec.ts", "should be able to prevent selectAll")]403        [Skip(SkipAttribute.Targets.Chromium | SkipAttribute.Targets.OSX)]404        public async Task ShouldBeAbleToPreventSelectAll()405        {406            await Page.GotoAsync(Server.Prefix + "/input/textarea.html");407            var textarea = await Page.QuerySelectorAsync("textarea");408            await textarea.TypeAsync("some text");409            await Page.EvalOnSelectorAsync("textarea", @"textarea => {410                textarea.addEventListener('keydown', event => {411                    if (event.key === 'a' && (event.metaKey || event.ctrlKey))412                    event.preventDefault();413                }, false);414            }");415            string modifier = TestConstants.IsMacOSX ? "Meta" : "Control";416            await Page.Keyboard.DownAsync(modifier);417            await Page.Keyboard.PressAsync("a");418            await Page.Keyboard.UpAsync(modifier);...

ShouldBeAbleToPreventSelectAll

Using AI Code Generation

1{2    [Collection(TestConstants.TestFixtureBrowserCollectionName)]3    {4        public PageKeyboardTests(ITestOutputHelper output) : base(output)5        {6        }7        [PlaywrightTest("page-keyboard.spec.ts", "should be able to prevent selectAll")]8        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]9        public async Task ShouldBeAbleToPreventSelectAll()10        {11            await Page.GotoAsync(TestConstants.ServerUrl + "/input/textarea.html");12            await Page.EvaluateAsync(@"() => {13                window['result'] = null;14                document.querySelector('textarea').addEventListener('select', event => {15                    event.preventDefault();16                    window['result'] = 'preventDefault';17                });18            }");19            await Page.Keyboard.DownAsync("Control");20            await Page.Keyboard.PressAsync("KeyA");21            await Page.Keyboard.UpAsync("Control");22            Assert.Equal("preventDefault", await Page.EvaluateAsync<string>("result"));23            Assert.Equal(string.Empty, await Page.EvaluateAsync<string>("() => window.getSelection().toString()"));24        }25    }26}

ShouldBeAbleToPreventSelectAll

Using AI Code Generation

1{2    {3        [PlaywrightTest("page-keyboard.spec.ts", "should be able to prevent selectAll")]4        [Fact(Timeout = TestConstants.DefaultTestTimeout)]5        public async Task ShouldBeAbleToPreventSelectAll()6        {7            await Page.GotoAsync(Server.Prefix + "/input/textarea.html");8            await Page.EvaluateAsync(@"() => {9                window.addEventListener('keydown', event => {10                    if (event.key === 'a' && event.metaKey)11                        event.preventDefault();12                });13            }");14            await Page.Keyboard.PressAsync("Meta+A");15            Assert.Equal(string.Empty, await Page.EvaluateAsync<string>("() => document.querySelector('textarea').value"));16        }17    }18}19at Microsoft.Playwright.Tests.PageKeyboardTests.ShouldBeAbleToPreventSelectAll() in C:\Users\user\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\PageKeyboardTests.cs:line 1820   at Microsoft.Playwright.Tests.PlaywrightSharpBaseTest.<>c__DisplayClass4_0.<RunTest>b__0() in C:\Users\user\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\PlaywrightSharpBaseTest.cs:line 4321   at PlaywrightSharp.PlaywrightSharpExtensions.WithContextAsync[T](IPlaywright playwright, Action`1 options, Func`2 func) in C:\Users\user\source\repos\PlaywrightSharp\src\PlaywrightSharp\PlaywrightSharpExtensions.cs:line 5322   at Microsoft.Playwright.Tests.PlaywrightSharpBaseTest.RunTest(Action`1 options, Func`2 func) in C:\Users\user\source\repos\PlaywrightSharp\src

ShouldBeAbleToPreventSelectAll

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using Microsoft.Playwright;7    using Microsoft.Playwright.NUnit;8    using NUnit.Framework;9    using NUnit.Framework.Interfaces;10    using NUnit.Framework.Internal;11    {12        [PlaywrightTest("page-keyboard.spec.ts", "should type into a textarea")]13        [Test, Timeout(TestConstants.DefaultTestTimeout)]14        public async Task ShouldTypeIntoATextarea()15        {16            await Page.GotoAsync(TestConstants.ServerUrl + "/input/textarea.html");17            await Page.FocusAsync("textarea");18            string text = "Hello world. I am some text that was typed into a textarea";19            await Page.Keyboard.TypeAsync(text);20            Assert.AreEqual(text, await Page.EvaluateAsync<string>("() => result"));21        }22        [PlaywrightTest("page-keyboard.spec.ts", "should move with the arrow keys")]23        [Test, Timeout(TestConstants.DefaultTestTimeout)]24        public async Task ShouldMoveWithTheArrowKeys()25        {26            await Page.GotoAsync(TestConstants.ServerUrl + "/input/textarea.html");27            await Page.FocusAsync("textarea");28            await Page.Keyboard.PressAsync("ArrowLeft");29            await Page.Keyboard.TypeAsync("a");30            await Page.Keyboard.PressAsync("ArrowRight");31            await Page.Keyboard.TypeAsync("bcd");32            Assert.AreEqual("abcda world. I am some text that was typed into a textarea", await Page.EvaluateAsync<string>("() => textarea.value"));33        }34        [PlaywrightTest("page-keyboard.spec.ts", "should send a character with ElementHandle.press")]35        [Test, Timeout(TestConstants.DefaultTestTimeout)]36        public async Task ShouldSendACharacterWithElementHandlePress()37        {38            await Page.GotoAsync(TestConstants.ServerUrl + "/input/textarea.html");39            await Page.FocusAsync("textarea");40            await Page.Keyboard.PressAsync("a");41            Assert.AreEqual("a", await Page.EvaluateAsync<string>("() => result"));42        }43        [PlaywrightTest("page-keyboard.spec.ts", "should send a character with sendCharacter")]44        [Test, Timeout(TestConstants.DefaultTestTimeout)]45        public async Task ShouldSendACharacterWithSendCharacter()46        {47            await Page.GotoAsync(TestConstants.ServerUrl + "/input/textarea.html");48            await Page.FocusAsync("textarea");

ShouldBeAbleToPreventSelectAll

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8{9    {10        public async Task ShouldBeAbleToPreventSelectAll()11        {12            await Page.SetContentAsync("<div contenteditable=\"true\">hello</div>");13            await Page.EvaluateAsync(@"() => {14                document.querySelector('div').addEventListener('selectstart', e => {15                    e.preventDefault();16                    document.querySelector('div').textContent = 'SELECTED TEXT';17                });18            }");19            await Page.Keyboard.PressAsync("Control+A");20            Assert.Equal("SELECTED TEXT", await Page.EvaluateAsync<string>("() => document.querySelector('div').textContent"));21        }22    }23}

ShouldBeAbleToPreventSelectAll

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;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(new BrowserTypeLaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            await page.Keyboard.PressAsync("Control+A");16            await page.Keyboard.PressAsync("Backspace");17        }18    }19}

ShouldBeAbleToPreventSelectAll

Using AI Code Generation

1await page.ClickAsync("text=Images");2await page.ClickAsync("text=Videos");3await page.ClickAsync("text=News");4await page.ClickAsync("text=Shopping");5await page.ClickAsync("text=More");6await page.ClickAsync("text=Maps");7await page.ClickAsync("text=Weather");8await page.ClickAsync("text=Finance");9await page.ClickAsync("text=Sports");10await page.ClickAsync("text=Movies");11await page.ClickAsync("text=Food & Drink");12await page.ClickAsync("text=Travel");13await page.ClickAsync("text=Health");14await page.ClickAsync("text=Auto");15await page.ClickAsync("text=Entertainment");16await page.ClickAsync("text=Style");17await page.ClickAsync("text=Tech");18await page.ClickAsync("text=Education");19await page.ClickAsync("text=Business");20await page.ClickAsync("text=People & Society");21await page.ClickAsync("text=Video Games");22await page.ClickAsync("text=Music");23await page.ClickAsync("text=Books");24await page.ClickAsync("text=Hobbies & Leisure");25await page.ClickAsync("text=Science");26await page.ClickAsync("text=Home & Garden");27await page.ClickAsync("text=Local");28await page.ClickAsync("text=Reference");29await page.ClickAsync("text=Computers");30await page.ClickAsync("text=Electronics");31await page.ClickAsync("text=Jobs & Education");32await page.ClickAsync("text=Law & Government");33await page.ClickAsync("text=Science");34await page.ClickAsync("text=Sports");35await page.ClickAsync("text=Travel");36await page.ClickAsync("text=Business");37await page.ClickAsync("text=Entertainment");38await page.ClickAsync("text=Lifestyle");39await page.ClickAsync("text=People & Society");40await page.ClickAsync("text=Science & Nature");41await page.ClickAsync("text=Computers & Electronics");42await page.ClickAsync("text=Health");43await page.ClickAsync("text=Home & Garden");44await page.ClickAsync("text=Law & Government");45await page.ClickAsync("text=News");46await page.ClickAsync("text=Recreation & Hobbies");47await page.ClickAsync("text=Reference");48await page.ClickAsync("text=Science");49await page.ClickAsync("text=Shopping");50await page.ClickAsync("

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.