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

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

PageWaitForFunctionTests.cs

Source:PageWaitForFunctionTests.cs

...27using Microsoft.Playwright.NUnit;28using NUnit.Framework;29namespace Microsoft.Playwright.Tests30{31    public class PageWaitForFunctionTests : PageTestEx32    {33        [PlaywrightTest("page-wait-for-function.spec.ts", "should timeout")]34        public async Task ShouldTimeout()35        {36            var startTime = DateTime.Now;37            int timeout = 42;38            await Page.WaitForTimeoutAsync(timeout);39            Assert.True((DateTime.Now - startTime).TotalMilliseconds > timeout / 2);40        }41        [PlaywrightTest("page-wait-for-function.spec.ts", "should accept a string")]42        [Ignore("We don't this test")]43        public void ShouldAcceptAString()44        {45        }46        [PlaywrightTest("page-wait-for-function.spec.tsPageWaitForFunctionTests", "should work when resolved right before execution context disposal")]47        public async Task ShouldWorkWhenResolvedRightBeforeExecutionContextDisposal()48        {49            await Page.AddInitScriptAsync("window.__RELOADED = true");50            await Page.WaitForFunctionAsync(@"() =>51            {52                if (!window.__RELOADED)53                    window.location.reload();54                return true;55            }");56        }57        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on interval")]58        public async Task ShouldPollOnInterval()59        {60            int polling = 100;...

PageWaitForFunctionTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using Microsoft.Playwright.Tests;3using Microsoft.Playwright.Tests;4using Microsoft.Playwright.Tests;5using Microsoft.Playwright.Tests;6{7    {8        static async Task Main(string[] args)9        {10            var playwright = await Playwright.CreateAsync();11            var browser = await playwright.Chromium.LaunchAsync();12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();

PageWaitForFunctionTests

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;9using NUnit.Framework.Interfaces;10{11    [Parallelizable(ParallelScope.Self)]12    {13        [PlaywrightTest("page-wait-for-function.spec.ts", "should work")]14        [Test, Timeout(TestConstants.DefaultTestTimeout)]15        public async Task ShouldWork()16        {17            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");18            var grid = await Page.QuerySelectorAsync(".grid");19            var result = await Page.WaitForFunctionAsync<bool>("() => window.innerWidth < 100");20            Assert.True(result);21        }22        [PlaywrightTest("page-wait-for-function.spec.ts", "should accept a string")]23        [Test, Timeout(TestConstants.DefaultTestTimeout)]24        public async Task ShouldAcceptAString()25        {26            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");27            var grid = await Page.QuerySelectorAsync(".grid");28            var result = await Page.WaitForFunctionAsync<bool>("window.innerWidth < 100");29            Assert.True(result);30        }31        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on interval")]32        [Test, Timeout(TestConstants.DefaultTestTimeout)]33        public async Task ShouldPollOnInterval()34        {35            var watchdog = Page.WaitForTimeoutAsync(1000);36            var start = DateTime.Now;37            var result = await Page.WaitForFunctionAsync<bool>("() => false", new() { PollingInterval = 100 });38            var end = DateTime.Now;39            Assert.True((end - start).TotalMilliseconds > 100);40            Assert.False(result);41        }42        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on mutation")]43        [Test, Timeout(TestConstants.DefaultTestTimeout)]44        public async Task ShouldPollOnMutation()45        {46            await Page.GoToAsync(TestConstants.ServerUrl + "/poll.html");47            var watchdog = Page.WaitForTimeoutAsync(1000);48            var result = await Page.WaitForFunctionAsync<bool>("() => window.__FOO === 'hit'");49            Assert.True(result);50        }51        [PlaywrightTest("page-wait-for-function.spec.ts

PageWaitForFunctionTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2PageWaitForFunctionTests obj = new PageWaitForFunctionTests();3await obj.WaitForFunctionShouldWorkWithArgs();4using Microsoft.Playwright.Tests;5PageWaitForFunctionTests obj = new PageWaitForFunctionTests();6await obj.WaitForFunctionShouldWorkWithArgsHandle();7using Microsoft.Playwright.Tests;8PageWaitForFunctionTests obj = new PageWaitForFunctionTests();9await obj.WaitForFunctionShouldWorkWithElementHandle();10using Microsoft.Playwright.Tests;11PageWaitForFunctionTests obj = new PageWaitForFunctionTests();12await obj.WaitForFunctionShouldWorkWithPolling();13using Microsoft.Playwright.Tests;14PageWaitForFunctionTests obj = new PageWaitForFunctionTests();15await obj.WaitForFunctionShouldWorkWithPollingXpath();16using Microsoft.Playwright.Tests;17PageWaitForFunctionTests obj = new PageWaitForFunctionTests();18await obj.WaitForFunctionShouldWorkWithRaf();19using Microsoft.Playwright.Tests;20PageWaitForFunctionTests obj = new PageWaitForFunctionTests();21await obj.WaitForFunctionShouldWorkWithMutation();22using Microsoft.Playwright.Tests;23PageWaitForFunctionTests obj = new PageWaitForFunctionTests();24await obj.WaitForFunctionShouldWorkWithDomcontentloaded();25using Microsoft.Playwright.Tests;26PageWaitForFunctionTests obj = new PageWaitForFunctionTests();27await obj.WaitForFunctionShouldWorkWithTimeout();28using Microsoft.Playwright.Tests;

PageWaitForFunctionTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2{3    {4        static void Main(string[] args)5        {6            PageWaitForFunctionTests p = new PageWaitForFunctionTests();7            p.SetupAsync();8            p.WaitForFunctionShouldWorkWhenNodeIsRemoved();9        }10    }11}12using Microsoft.Playwright;13using Microsoft.Playwright.NUnit;14using Microsoft.Playwright.Tests;15using NUnit.Framework;16using System;17using System.Collections.Generic;18using System.Linq;19using System.Text;20using System.Threading.Tasks;21{22    {23        public async Task WaitForFunctionShouldWorkWhenNodeIsRemoved()24        {25            await Page.SetContentAsync("<div></div>");26            var div = await Page.QuerySelectorAsync("div");27            var waitForFunction = Page.WaitForFunctionAsync("() => !document.querySelector('div')");28            await div.EvaluateAsync("div => div.remove()");29            await waitForFunction;30        }31    }32}33using System;34using System.Collections.Generic;35using System.Text;36using System.Threading.Tasks;37using Microsoft.Playwright;38using Microsoft.Playwright.NUnit;39using NUnit.Framework;40{41    {42        public async Task<IElementHandle> QuerySelectorAsync(string selector)43        {44            return await this.Page.QuerySelectorAsync(selector);45        }46    }47}48using System;49using System.Collections.Generic;50using System.Text;51using System.Threading.Tasks;52using Microsoft.Playwright;53using Microsoft.Playwright.NUnit;54using NUnit.Framework;55{56    {57        public async Task<IElementHandle> QuerySelectorAsync(string selector)58        {59            return await this.Page.QuerySelectorAsync(selector);60        }61    }62}63using System;64using System.Collections.Generic;65using System.Text;66using System.Threading.Tasks;67using Microsoft.Playwright;68using Microsoft.Playwright.NUnit;69using NUnit.Framework;70{71    {72        public IPage Page { get; set; }73        public virtual async Task SetupAsync()74        {75            await Page.SetContentAsync("<

PageWaitForFunctionTests

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7    {8        private readonly ITestOutputHelper output;9        public PlaywrightTest1(ITestOutputHelper output)10        {11            this.output = output;12        }13        public async Task Test1()14        {15            using var playwright = await Playwright.CreateAsync();16            await using var browser = await playwright.Chromium.LaunchAsync();17            var page = await browser.NewPageAsync();18            var tests = new PageWaitForFunctionTests(page);19            await tests.ShouldWorkWithNoTimeout();20        }21    }22}23using Microsoft.Playwright;24using Microsoft.Playwright.Tests;25using System.Threading.Tasks;26using Xunit;27using Xunit.Abstractions;28{29    {30        private readonly ITestOutputHelper output;31        public PlaywrightTest1(ITestOutputHelper output)32        {33            this.output = output;34        }35        public async Task Test1()36        {37            using var playwright = await Playwright.CreateAsync();38            await using var browser = await playwright.Chromium.LaunchAsync();39            var page = await browser.NewPageAsync();40            var tests = new PageWaitForFunctionTests(page);41            await tests.ShouldWorkWithNoTimeout();42        }43    }44}45using Microsoft.Playwright;46using Microsoft.Playwright.Tests;47using System.Threading.Tasks;48using Xunit;49using Xunit.Abstractions;50{51    {52        private readonly ITestOutputHelper output;53        public PlaywrightTest1(ITestOutputHelper output)54        {55            this.output = output;56        }57        public async Task Test1()58        {59            using var playwright = await Playwright.CreateAsync();

PageWaitForFunctionTests

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Tests;4using Xunit;5using Xunit.Abstractions;6using System.Threading;7using Microsoft.Playwright.Core;8using Microsoft.Playwright;9using System.Collections.Generic;10{11    {12        internal PageWaitForFunctionTests(ITestOutputHelper output) : base(output)13        {14        }15        public async Task ShouldWorkWhenResolvedRightBeforeExecutionContextDisposal()16        {17            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");18            var watchdog = Page.WaitForFunctionAsync("() => window.__done");19            await Page.EvaluateAsync("() => window.__done = true");20            await watchdog;21        }22        public async Task ShouldPollOnInterval()23        {24            var start = DateTime.Now;25            await Page.WaitForFunctionAsync("() => false", new PageWaitForFunctionOptions { PollingInterval = 100 });26            Assert.True((DateTime.Now - start) >= TimeSpan.FromMilliseconds(100));27        }28        public async Task ShouldPollOnMutation()29        {30            var watchdog = Page.WaitForFunctionAsync("() => window.__counter > 1", new PageWaitForFunctionOptions { PollingInterval = 10 });31            await Page.EvaluateAsync("() => window.__counter = 1");32            await Page.EvaluateAsync("() => window.__counter++");33            await watchdog;34        }35        public async Task ShouldPollOnRaf()36        {37            var watchdog = Page.WaitForFunctionAsync("() => window.__counter > 1", new PageWaitForFunctionOptions { PollingInterval = 10 });38            await Page.EvaluateAsync("() => window.__counter = 1");39            await Page.EvaluateAsync("() =>

PageWaitForFunctionTests

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Tests;4using Microsoft.Playwright.Tests.TestServer;5using NUnit.Framework;6using NUnit.Framework.Interfaces;7{8    [Parallelizable(ParallelScope.Self)]9    {10        [PlaywrightTest("page-wait-for-function.spec.ts", "should work")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldWork()13        {14            await Page.EvaluateAsync(@"() => {15                window.__RELOADED = false;16                window.location.reload = () => {17                    window.__RELOADED = true;18                };19            }");20            await Page.WaitForFunctionAsync("() => window.__RELOADED");21        }22    }23}24using System;25using System.Threading.Tasks;26using Microsoft.Playwright.Tests;27using Microsoft.Playwright.Tests.TestServer;28using NUnit.Framework;29using NUnit.Framework.Interfaces;30{31    [Parallelizable(ParallelScope.Self)]32    {33        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on interval")]34        [Test, Timeout(TestConstants.DefaultTestTimeout)]35        public async Task ShouldPollOnInterval()36        {37            var watchdog = Page.WaitForFunctionAsync("() => window.__FOO === 'hit'", polling: 100);38            await Page.EvaluateAsync("() => new Promise(f => setTimeout(f, 200))");39            await Page.EvaluateAsync("() => window.__FOO = 'hit'");40            await watchdog;41        }42    }43}44using System;45using System.Threading.Tasks;46using Microsoft.Playwright.Tests;47using Microsoft.Playwright.Tests.TestServer;48using NUnit.Framework;49using NUnit.Framework.Interfaces;

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.