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How to use PageWaitForSelector1Tests class of Microsoft.Playwright.Tests package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageWaitForSelector1Tests

PageWaitForSelector1Tests.cs

Source:PageWaitForSelector1Tests.cs

...27using Microsoft.Playwright.NUnit;28using NUnit.Framework;29namespace Microsoft.Playwright.Tests30{31    public class PageWaitForSelector1Tests : PageTestEx32    {33        private const string AddElement = "tag => document.body.appendChild(document.createElement(tag))";34        [PlaywrightTest("page-wait-for-selector-1.spec.ts", "should immediately resolve promise if node exists")]35        public async Task ShouldImmediatelyResolveTaskIfNodeExists()36        {37            await Page.GotoAsync(Server.EmptyPage);38            var frame = Page.MainFrame;39            await frame.WaitForSelectorAsync("*");40            await frame.EvaluateAsync(AddElement, "div");41            await frame.WaitForSelectorAsync("div", new() { State = WaitForSelectorState.Attached });42        }43        [PlaywrightTest("page-wait-for-selector-1.spec.ts", "elementHandle.waitForSelector should immediately resolve if node exists")]44        public async Task ElementHandleWaitForSelectorShouldImmediatelyResolveIfNodeExists()45        {...

PageWaitForSelector1Tests

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("page-wait-for-selector-1.spec.ts", "should immediately resolve promise if node exists")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldImmediatelyResolvePromiseIfNodeExists()13        {14            await Page.GotoAsync(Server.Prefix + "/playground.html");15            var frame = Page.MainFrame;16            var watchdog = frame.WaitForSelectorAsync(".zombo");17            Assert.False(watchdog.IsCompleted);18            await frame.EvaluateAsync("() => window['makeZombo']()");19            await watchdog;20        }21    }22}23using System;24using System.Collections.Generic;25using System.Text;26using System.Threading.Tasks;27using Microsoft.Playwright;28using Microsoft.Playwright.Tests;29using NUnit.Framework;30{31    {32        [PlaywrightTest("page-wait-for-selector-1.spec.ts", "should work")]33        [Test, Timeout(TestConstants.DefaultTestTimeout)]34        public async Task ShouldWork()35        {36            await Page.GotoAsync(Server.Prefix + "/playground.html");37            var watchdog = Page.WaitForSelectorAsync(".zombo");38            Assert.False(watchdog.IsCompleted);39            await Page.EvaluateAsync("() => window['makeZombo']()");40            await watchdog;41        }42    }43}44using System;45using System.Collections.Generic;46using System.Text;47using System.Threading.Tasks;48using Microsoft.Playwright;49using Microsoft.Playwright.Tests;50using NUnit.Framework;51{52    {53        [PlaywrightTest("page-wait-for-selector-1.spec.ts", "should work with removed MutationObserver")]54        [Test, Timeout(TestConstants.DefaultTestTimeout)]55        public async Task ShouldWorkWithRemovedMutationObserver()56        {57            await Page.GotoAsync(Server.Prefix + "/playground.html");

PageWaitForSelector1Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using NUnit.Framework;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        [PlaywrightTest("page-wait-for-selector-1.spec.ts", "should immediately resolve promise if node exists")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldImmediatelyResolvePromiseIfNodeExists()13        {14            await Page.SetContentAsync("<div></div>");15            var div = await Page.WaitForSelectorAsync("div");16            Assert.AreEqual("div", div.TagName);17        }18    }19}20using Microsoft.Playwright.Tests;21using NUnit.Framework;22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27{28    {29        [PlaywrightTest("page-wait-for-selector-1.spec.ts", "should work with removed MutationObserver")]30        [Test, Timeout(TestConstants.DefaultTestTimeout)]31        public async Task ShouldWorkWithRemovedMutationObserver()32        {33            await Page.EvaluateAsync(@"() => {34                delete window.MutationObserver;35            }");36            await Page.SetContentAsync("<div></div>");37            var div = await Page.WaitForSelectorAsync("div");38            Assert.AreEqual("div", div.TagName);39        }40    }41}42using Microsoft.Playwright.Tests;43using NUnit.Framework;44using System;45using System.Collections.Generic;46using System.Linq;47using System.Text;48using System.Threading.Tasks;49{50    {51        [PlaywrightTest("page-wait-for-selector-1.spec.ts", "should run in specified frame")]52        [Test, Timeout(TestConstants.DefaultTestTimeout)]53        public async Task ShouldRunInSpecifiedFrame()54        {55            await Page.GotoAsync(TestConstants.ServerUrl + "/frames/nested-frames.html");56            var frame1 = Page.Frames.ElementAt(1

PageWaitForSelector1Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7    {8        public PageWaitForSelector1Tests(ITestOutputHelper output) : base(output)9        {10        }11        [PlaywrightTest("page-wait-for-selector.spec.ts", "should work")]12        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]13        public async Task ShouldWork()14        {15            var task = Page.WaitForSelectorAsync("div");16            await Page.SetContentAsync("<div></div>");17            var element = await task;18            Assert.NotNull(element);19        }20    }21}22{23    {24        [PlaywrightTest("page-wait-for-selector.spec.ts", "should timeout")]25        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]26        public async Task ShouldTimeout()27        {28            var exception = await Assert.ThrowsAnyAsync<PlaywrightSharpException>(() => Page.WaitForSelectorAsync("div", new WaitForSelectorOptions { Timeout = 1 }));29            StringAssert.Contains("Timeout 1ms exceeded", exception.Message);30        }31        [PlaywrightTest("page-wait-for-selector.spec.ts", "should respect timeout")]32        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]33        public async Task ShouldRespectTimeout()34        {35            var exception = await Assert.ThrowsAnyAsync<PlaywrightSharpException>(() => Page.WaitForSelectorAsync("div", new WaitForSelectorOptions { Timeout = 2500 }));36            StringAssert.Contains("Timeout 2500ms exceeded", exception.Message);37        }38        [PlaywrightTest("page-wait-for-selector.spec.ts", "should have an error message specifically for awaiting an element to be hidden")]39        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]40        public async Task ShouldHaveAnErrorMessageSpecificallyForAwaitingAnElementToBeHidden()41        {42            await Page.SetContentAsync("<div></div>");43            var waitForSelectorTask = Page.WaitForSelectorAsync("div", new WaitForSelectorOptions { State = WaitForSelectorState.Hidden });44            await Page.EvalOnSelectorAsync("div", "div => div.remove()");45            var exception = await Assert.ThrowsAnyAsync<PlaywrightSharpException>(() => waitForSelectorTask);46            StringAssert.Contains("waiting

PageWaitForSelector1Tests

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        internal PageWaitForSelector1Tests(ITestOutputHelper output) : base(output)11        {12        }13        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]14        public async Task ShouldWorkWithRemovedMutationObserver()15        {16            await Page.EvaluateAsync(@"() =>17            {18                delete window.MutationObserver;19            }");20            await Page.SetContentAsync("<div></div>");21            var div = await Page.WaitForSelectorAsync("div");22        }23    }24}

PageWaitForSelector1Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2PageWaitForSelector1Tests test = new PageWaitForSelector1Tests();3await test.PageWaitForSelector1();4using Microsoft.Playwright.Tests;5PageWaitForSelector2Tests test = new PageWaitForSelector2Tests();6await test.PageWaitForSelector2();7using Microsoft.Playwright.Tests;8PageWaitForSelector3Tests test = new PageWaitForSelector3Tests();9await test.PageWaitForSelector3();10using Microsoft.Playwright.Tests;11PageWaitForSelector4Tests test = new PageWaitForSelector4Tests();12await test.PageWaitForSelector4();13using Microsoft.Playwright.Tests;14PageWaitForSelector5Tests test = new PageWaitForSelector5Tests();15await test.PageWaitForSelector5();16using Microsoft.Playwright.Tests;17PageWaitForSelector6Tests test = new PageWaitForSelector6Tests();18await test.PageWaitForSelector6();19using Microsoft.Playwright.Tests;20PageWaitForSelector7Tests test = new PageWaitForSelector7Tests();21await test.PageWaitForSelector7();22using Microsoft.Playwright.Tests;23PageWaitForSelector8Tests test = new PageWaitForSelector8Tests();24await test.PageWaitForSelector8();25using Microsoft.Playwright.Tests;26PageWaitForSelector9Tests test = new PageWaitForSelector9Tests();27await test.PageWaitForSelector9();

PageWaitForSelector1Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2PageWaitForSelector1Tests obj = new PageWaitForSelector1Tests();3obj.PageWaitForSelector1TestsExample();4using Microsoft.Playwright.Tests;5PageWaitForSelector2Tests obj = new PageWaitForSelector2Tests();6obj.PageWaitForSelector2TestsExample();7using Microsoft.Playwright.Tests;8PageWaitForSelector3Tests obj = new PageWaitForSelector3Tests();9obj.PageWaitForSelector3TestsExample();10using Microsoft.Playwright.Tests;11PageWaitForSelector4Tests obj = new PageWaitForSelector4Tests();12obj.PageWaitForSelector4TestsExample();13using Microsoft.Playwright.Tests;14PageWaitForSelector5Tests obj = new PageWaitForSelector5Tests();15obj.PageWaitForSelector5TestsExample();16using Microsoft.Playwright.Tests;17PageWaitForSelector6Tests obj = new PageWaitForSelector6Tests();18obj.PageWaitForSelector6TestsExample();19using Microsoft.Playwright.Tests;20PageWaitForSelector7Tests obj = new PageWaitForSelector7Tests();21obj.PageWaitForSelector7TestsExample();22using Microsoft.Playwright.Tests;23PageWaitForSelector8Tests obj = new PageWaitForSelector8Tests();24obj.PageWaitForSelector8TestsExample();25using Microsoft.Playwright.Tests;26PageWaitForSelector9Tests obj = new PageWaitForSelector9Tests();27obj.PageWaitForSelector9TestsExample();

PageWaitForSelector1Tests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5using System.Collections.Generic;6using System;7using System.Linq;8using System.Text;9using System.Threading;10using System.Threading.Tasks;11using Microsoft.Playwright.Tests.BaseTests;12using Microsoft.Playwright.Transport.Channels;13using Microsoft.Playwright.Transport.Protocol;14using Microsoft.Playwright.Core;15using System.Text.Json;16using System.Text.Json.Serialization;17using System.IO;18using System.Text;19using System.Net.Http;20using System.Net.Http.Headers;21using System.Net;22using Microsoft.Playwright;23using System.Runtime.CompilerServices;24using System.Diagnostics;25using System.Net.Http.Json;26using System.Text.Json.Serialization;27using System.Text.Json;28using System.Text.Json.Serialization;29using System.IO;30using System.Text;31using System.Net.Http;32using System.Net.Http.Headers;33using System.Net;34using Microsoft.Playwright;35using System.Runtime.CompilerServices;36using System.Diagnostics;37using System.Net.Http.Json;38using System.Text.Json.Serialization;39using System.Text.Json;40using System.Text.Json.Serialization;41using System.IO;42using System.Text;43using System.Net.Http;44using System.Net.Http.Headers;45using System.Net;46using Microsoft.Playwright;47using System.Runtime.CompilerServices;48using System.Diagnostics;49using System.Net.Http.Json;50using System.Text.Json.Serialization;51using System.Text.Json;52using System.Text.Json.Serialization;53using System.IO;54using System.Text;55using System.Net.Http;56using System.Net.Http.Headers;57using System.Net;58using Microsoft.Playwright;59using System.Runtime.CompilerServices;60using System.Diagnostics;61using System.Net.Http.Json;62using System.Text.Json.Serialization;63using System.Text.Json;64using System.Text.Json.Serialization;65using System.IO;66using System.Text;67using System.Net.Http;68using System.Net.Http.Headers;69using System.Net;70using Microsoft.Playwright;71using System.Runtime.CompilerServices;72using System.Diagnostics;73using System.Net.Http.Json;74using System.Text.Json.Serialization;75using System.Text.Json;76using System.Text.Json.Serialization;77using System.IO;78using System.Text;79using System.Net.Http;80using System.Net.Http.Headers;81using System.Net;82using Microsoft.Playwright;83using System.Runtime.CompilerServices;84using System.Diagnostics;85using System.Net.Http.Json;86using System.Text.Json.Serialization;87using System.Text.Json;88using System.Text.Json.Serialization;89using System.IO;90using System.Text;91using System.Net.Http;92using System.Net.Http.Headers;93using System.Net;94using Microsoft.Playwright;95using System.Runtime.CompilerServices;96using System.Diagnostics;

PageWaitForSelector1Tests

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;8using System.Threading;9using System.IO;10{11    {12        public async Task ShouldWaitForSelector()13        {14            await Page.GotoAsync(Server.Prefix + "/grid.html");15            var watchdog = Page.WaitForSelectorAsync(".box:nth-of-type(2)");16            await Page.EvaluateAsync("() => setTimeout(() => document.querySelector('.box:nth-of-type(2)').style.backgroundColor = 'red', 500)");17            var eHandle = await watchdog;18            var bgColor = await eHandle.EvaluateAsync<string>("e => window.getComputedStyle(e).backgroundColor");19            Assert.Equal("rgb(255, 0, 0)", bgColor);20        }21        public async Task ShouldReturnNullIfWaitingForHidden()22        {23            await Page.GotoAsync(Server.Prefix + "/grid.html");24            var watchdog = Page.WaitForSelectorAsync(".box:nth-of-type(2)", new WaitForSelectorOptions { State = WaitForSelectorState.Hidden });25            await Page.EvaluateAsync("() => setTimeout(() => document.querySelector('.box:nth-of-type(2)').style.backgroundColor = 'red', 500)");26            var eHandle = await watchdog;27            Assert.Null(eHandle);28        }29        public async Task ShouldWorkWhenNodeIsAddedThroughInnerHTML()30        {31            await Page.GotoAsync(Server.Prefix + "/grid.html");32            var watchdog = Page.WaitForSelectorAsync(".box:nth-of-type(2)");33            await Page.EvaluateAsync("() => document.querySelector('#second').innerHTML = '<div class=\"box\">new box</div>'");34            var eHandle = await watchdog;

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.
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Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.