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How to use PageWaitForSelector2Tests class of Microsoft.Playwright.Tests package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageWaitForSelector2Tests

PageWaitForSelector2Tests.cs

Source:PageWaitForSelector2Tests.cs

...27using Microsoft.Playwright.NUnit;28using NUnit.Framework;29namespace Microsoft.Playwright.Tests30{31    public class PageWaitForSelector2Tests : PageTestEx32    {33        private const string AddElement = "tag => document.body.appendChild(document.createElement(tag))";34        [PlaywrightTest("page-wait-for-selector-2.spec.ts", "should survive cross-process navigation")]35        public async Task ShouldSurviveCrossProcessNavigation()36        {37            bool boxFound = false;38            var waitForSelector = Page.WaitForSelectorAsync(".box").ContinueWith(_ => boxFound = true);39            await Page.GotoAsync(Server.EmptyPage);40            Assert.False(boxFound);41            await Page.ReloadAsync();42            Assert.False(boxFound);43            await Page.GotoAsync(Server.CrossProcessPrefix + "/grid.html");44            await waitForSelector;45            Assert.True(boxFound);...

PageWaitForSelector2Tests

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;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 BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.SetContentAsync(@"14            ");15            var waitForSelectorTask = page.WaitForSelectorAsync("#foo");16            await page.EvalOnSelectorAsync("#bar", "bar => bar.style.display = 'block'");17            var elementHandle = await waitForSelectorTask;18            Console.WriteLine(await elementHandle.EvaluateAsync<string>("e => e.textContent"));19            await browser.CloseAsync();20        }21    }22}

PageWaitForSelector2Tests

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 async Task Main(string[] args)10        {11            using var playwright = await Playwright.CreateAsync();12            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions13            {14            });15            var context = await browser.NewContextAsync();16            var page = await context.NewPageAsync();17            await page.ClickAsync("text=Images");18            await page.ClickAsync("text=Videos");19            await page.ClickAsync("text=News");

PageWaitForSelector2Tests

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Tests;8using NUnit.Framework;9{10    {11        public async Task ShouldImmediatelyResolvePromiseIfNodeExists()12        {13            await Page.SetContentAsync("<div>some text</div>");14            var element = await Page.WaitForSelectorAsync("div");15            Assert.AreEqual("some text", await Page.EvaluateAsync<string>("e => e.textContent", element));16        }17        public async Task ShouldResolvePromiseWhenNodeIsAdded()18        {19            var watchdog = Page.WaitForSelectorAsync("div");20            await Page.SetContentAsync("<div>some text</div>");21            var element = await watchdog;22            Assert.AreEqual("some text", await Page.EvaluateAsync<string>("e => e.textContent", element));23        }24        public async Task ShouldWorkWhenNodeIsAddedThroughInnerHTML()25        {26            var watchdog = Page.WaitForSelectorAsync("h3 div");27            await Page.SetContentAsync("<h3></h3>");28            await Page.EvaluateAsync("() => document.querySelector('h3').innerHTML = '<div>some text</div>'");29            var element = await watchdog;30            Assert.AreEqual("some text", await Page.EvaluateAsync<string>("e => e.textContent", element));31        }32        public async Task ShouldWorkWhenNodeIsAddedThroughElement()33        {34            var watchdog = Page.WaitForSelectorAsync("h3 div");35            await Page.SetContentAsync("<h3></h3>");36            await Page.EvaluateAsync("() => document.querySelector('h3').appendChild(document.createElement('div'))");37            var element = await watchdog;38            Assert.AreEqual(string.Empty, await Page.EvaluateAsync<string>("e => e.textContent", element));39        }40        public async Task ShouldWorkWhenNodeIsAddedThroughElementFromShadowRoot()41        {42            await Page.SetContentAsync("<div id='host'><span>shadow</span></div>");43            await Page.EvaluateAsync("() => host.attachShadow({mode: 'open'})");44            var watchdog = Page.WaitForSelectorAsync("div#host >> css=span");45            await Page.EvaluateAsync("() => host.shadowRoot.appendChild(document.createElement('span'))");46            var element = await watchdog;

PageWaitForSelector2Tests

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Tests;8using NUnit.Framework;9{10    {11        public async Task ShouldImmediatelyResolvePromiseIfNodeExists()12        {13            await Page.SetContentAsync("<div>some text</div>");14            var element = await Page.WaitForSelectorAsync("div");15            Assert.AreEqual("some text", await Page.EvaluateAsync<string>("e => e.textContent", element));16        }17        public async Task ShouldResolvePromiseWhenNodeIsAdded()18        {19            var watchdog = Page.WaitForSelectorAsync("div");20            await Page.SetContentAsync("<div>some text</div>");21            var element = await watchdog;22            Assert.AreEqual("some text", await Page.EvaluateAsync<string>("e => e.textContent", element));23        }24        public async Task ShouldWorkWhenNodeIsAddedThroughInnerHTML()25        {26            var watchdog = Page.WaitForSelectorAsync("h3 div");27            await Page.SetContentAsync("<h3></h3>");28            await Page.EvaluateAsync("() => document.querySelector('h3').innerHTML = '<div>some text</div>'");29            var element = await watchdog;30            Assert.AreEqual("some text", await Page.EvaluateAsync<string>("e => e.textContent", element));31        }32        public async Task ShouldWorkWhenNodeIsAddedThroughElement()33        {34            var watchdog = Page.WaitForSelectorAsync("h3 div");35            await Page.SetContentAsync("<h3></h3>");36            await Page.EvaluateAsync("() => document.querySelector('h3').appendChild(document.createElement('div'))");37            var element = await watchdog;38            Assert.AreEqual(string.Empty, await Page.EvaluateAsync<string>("e => e.textContent", element));39        }40        public async Task ShouldWorkWhenNodeIsAddedThroughElementFromShadowRoot()41        {42            await Page.SetContentAsync("<div id='host'><span>shadow</span></div>");43            await Page.EvaluateAsync("() => host.attachShadow({mode: 'open'})");44            var watchdog = Page.WaitForSelectorAsync("div#host >> css=span");45            await Page.EvaluateAsync("() => host.shadowRoot.appendChild(document.createElement('span'))");46            var element = await watchdog;

PageWaitForSelector2Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2{3    {4        [PlaywrightTest("page-wait-for-selector2.spec.ts", "should work with removed MutationObserver")]5        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]6        public async Task ShouldWorkWithRemovedMutationObserver()7        {8            await Page.EvaluateAsync(@"() => {9                delete window.MutationObserver;10                delete window.WebKitMutationObserver;11            }");12            await Page.GoToAsync(TestConstants.ServerUrl + "/dynamic.html");13            await Page.WaitForSelectorAsync("div");14        }15    }16}

PageWaitForSelector2Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2var test = new PageWaitForSelector2Tests();3await test.PageWaitForSelector2Async();4using Microsoft.Playwright.Tests;5var test = new PageWaitForSelector3Tests();6await test.PageWaitForSelector3Async();7using Microsoft.Playwright.Tests;8var test = new PageWaitForSelector4Tests();9await test.PageWaitForSelector4Async();10using Microsoft.Playwright.Tests;11var test = new PageWaitForSelector5Tests();12await test.PageWaitForSelector5Async();13using Microsoft.Playwright.Tests;14var test = new PageWaitForSelector6Tests();15await test.PageWaitForSelector6Async();16using Microsoft.Playwright.Tests;17var test = new PageWaitForSelector7Tests();18await test.PageWaitForSelector7Async();19using Microsoft.Playwright.Tests;20var test = new PageWaitForSelector8Tests();21await test.PageWaitForSelector8Async();22using Microsoft.Playwright.Tests;23var test = new PageWaitForSelector9Tests();24await test.PageWaitForSelector9Async();25using Microsoft.Playwright.Tests;26var test = new PageWaitForSelector10Tests();27await test.PageWaitForSelector10Async();28using Microsoft.Playwright.Tests;29var test = new PageWaitForSelector11Tests();30await test.PageWaitForSelector11Async();

PageWaitForSelector2Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4using System.Collections.Generic;5using Microsoft.Playwright;6using Microsoft.Playwright.NUnit;7using NUnit.Framework;8using System.Threading;9{10    [Parallelizable(ParallelScope.Self)]11    {12        [PlaywrightTest("page-wait-for-selector-2.spec.ts", "should work with removed MutationObserver")]13        [Test, Timeout(TestConstants.DefaultTestTimeout)]14        public async Task ShouldWorkWithRemovedMutationObserver()15        {16            await Page.EvaluateAsync(@"() => {17                delete window.MutationObserver;18            }");19            var watchdog = Page.WaitForSelectorAsync("div");20            await Page.EvaluateAsync(@"() => {21                const div = document.createElement('div');22                document.body.appendChild(div);23            }");24            var e = await watchdog;25            Assert.AreEqual("DIV", await e.EvaluateAsync<string>("e => e.nodeName"));26        }27    }28}code to use PageWait

PageWaitForSelector2Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4using System.Collections.Generic;5using Microsoft.Playwright;6using Microsoft.Playwright.NUnit;7using NUnit.Framework;8using System.Threading;9{10    [Parallelizable(ParallelScope.Self)]11    {12        [PlaywrightTest("page-wait-for-selector-2.spec.ts", "should work with removed MutationObserver")]13        [Test, Timeout(TestConstants.DefaultTestTimeout)]14        public async Task ShouldWorkWithRemovedMutationObserver()15        {16            await Page.EvaluateAsync(@"() => {17                delete window.MutationObserver;18            }");19            var watchdog = Page.WaitForSelectorAsync("div");20            await Page.EvaluateAsync(@"() => {21                const div = document.createElement('div');22                document.body.appendChild(div);23            }");24            var e = await watchdog;25            Assert.AreEqual("DIV", await e.EvaluateAsync<string>("e => e.nodeName"));26        }27    }28}

PageWaitForSelector2Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4using System.Text.Json;5using System.Text.Json.Serialization;6using System.Collections.Generic;7using System.Linq;8using System.IO;9using System.Diagnostics;10using System.Text.RegularExpressions;11using System.Threading;12{13    {14        static async Task Main(string[] args)15        {16            var playwright = await Playwright.CreateAsync();17            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions18            {19            });20            var context = await browser.NewContextAsync();21            var page = await context.NewPageAsync();22            await page.WaitForSelectorAsync("text=Welcome to example.com");23            await page.WaitForSelectorAsync("text=Welcome to example.com");24            await browser.CloseAsync();25        }26    }27}28using Microsoft.Playwright;29using System;30using System.Threading.Tasks;31using System.Text.Json;32using System.Text.Json.Serialization;33using System.Collections.Generic;34using System.Linq;35using System.IO;36using System.Diagnostics;37using System.Text.RegularExpressions;38using System.Threading;39{40    {41        static async Task Main(string[] args)42        {43            var playwright = await Playwright.CreateAsync();44            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions45            {46            });47            var context = await browser.NewContextAsync();48            var page = await context.NewPageAsync();49            await page.WaitForSelectorAsync("text=Welcome to example.com");50            await page.WaitForSelectorAsync("text=Welcome to example.com");51            await browser.CloseAsync();52        }53    }54}

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.