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How to use ShouldThrowOnPollingMutation method of Microsoft.Playwright.Tests.PageWaitForFunctionTests class

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

PageWaitForFunctionTests.cs

Source:PageWaitForFunctionTests.cs

...85            Assert.AreEqual(savedCounter, counter);86        }87        [PlaywrightTest("page-wait-for-function.spec.ts", "should throw on polling:mutation")]88        [Ignore("We don't need to test this")]89        public void ShouldThrowOnPollingMutation()90        {91        }92        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on raf")]93        [Ignore("We don't support raf")]94        public void ShouldPollOnRaf()95        {96            /*97            var watchdog = Page.WaitForFunctionAsync(98                "() => window.__FOO === 'hit'",99                polling: Polling.Raf);100            await Page.EvaluateAsync("window.__FOO = 'hit'");101            await watchdog;102            */103        }...

ShouldThrowOnPollingMutation

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NUnit.Framework;7using System.IO;8using System.Threading;9using System.Diagnostics;10using System.Runtime.InteropServices;11using System.Text.RegularExpressions;12using System.Net;13using System.Net.Http;14using System.Net.Http.Headers;15using System.Net.Sockets;16using System.Runtime.CompilerServices;17using System.Runtime.Serialization;18using System.Runtime.Serialization.Formatters.Binary;19using System.Security.Cryptography;20using System.Security.Cryptography.X509Certificates;21using System.Security.Principal;22using System.Xml;23using System.Xml.Serialization;24using Microsoft.Playwright;25{26    {27        private IPlaywright playwright;28        private IBrowser browser;29        private IBrowserContext context;30        private IPage page;31        public async Task SetUp()32        {33            playwright = await Playwright.CreateAsync();34            browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions35            {36            });37            context = await browser.NewContextAsync();38            page = await context.NewPageAsync();39        }40        public async Task TearDown()41        {42            await browser.CloseAsync();43            await playwright.StopAsync();44        }45        public async Task ShouldThrowOnPollingMutation()46        {47            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => page.WaitForFunctionAsync(@"() => {48                window['counter'] = (window['counter'] || 0) + 1;49                document.body.appendChild(document.createTextNode(' '));50                if (window['counter'] === 10)51                    return true;52                return false;53            }"));54            StringAssert.Contains("MutationObserver", exception.Message);55        }56    }57}

ShouldThrowOnPollingMutation

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6using Xunit;7using Xunit.Abstractions;8{9    {10        internal PageWaitForFunctionTests(ITestOutputHelper output) : base(output)11        {12        }13        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]14        public async Task ShouldWorkWhenNodeJSModifiesGlobalObjects()15        {16            var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => Page.WaitForFunctionAsync("() => globalThis.pollCount > 9"));17            StringAssert.Contains("pollCount", exception.Message);18        }19    }20}

ShouldThrowOnPollingMutation

Using AI Code Generation

1using Microsoft.Playwright.Tests;2PageWaitForFunctionTests obj = new PageWaitForFunctionTests();3obj.ShouldThrowOnPollingMutation();4using Microsoft.Playwright.Tests;5PageWaitForFunctionTests obj = new PageWaitForFunctionTests();6obj.ShouldThrowOnPollingMutation();7using Microsoft.Playwright.Tests;8PageWaitForFunctionTests obj = new PageWaitForFunctionTests();9obj.ShouldThrowOnPollingMutation();10using Microsoft.Playwright.Tests;11PageWaitForFunctionTests obj = new PageWaitForFunctionTests();12obj.ShouldThrowOnPollingMutation();13using Microsoft.Playwright.Tests;14PageWaitForFunctionTests obj = new PageWaitForFunctionTests();15obj.ShouldThrowOnPollingMutation();16using Microsoft.Playwright.Tests;17PageWaitForFunctionTests obj = new PageWaitForFunctionTests();18obj.ShouldThrowOnPollingMutation();19using Microsoft.Playwright.Tests;20PageWaitForFunctionTests obj = new PageWaitForFunctionTests();21obj.ShouldThrowOnPollingMutation();22using Microsoft.Playwright.Tests;23PageWaitForFunctionTests obj = new PageWaitForFunctionTests();24obj.ShouldThrowOnPollingMutation();25using Microsoft.Playwright.Tests;26PageWaitForFunctionTests obj = new PageWaitForFunctionTests();27obj.ShouldThrowOnPollingMutation();

ShouldThrowOnPollingMutation

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System.Threading.Tasks;3{4    {5        [PlaywrightTest("page-wait-for-function.spec.ts", "should throw on polling mutation")]6        [Fact(Timeout = TestConstants.DefaultTestTimeout)]7        public async Task ShouldThrowOnPollingMutation()8        {9            await Page.WaitForFunctionAsync("() => !document.querySelector('div')");10        }11    }12}13using Microsoft.Playwright.Tests;14using System.Threading.Tasks;15{16    {17        [PlaywrightTest("page-wait-for-function.spec.ts", "should work")]18        [Fact(Timeout = TestConstants.DefaultTestTimeout)]19        public async Task ShouldWork()20        {21            var watchdog = Page.WaitForFunctionAsync("() => window.__FOO === 'hit'");22            await Page.EvaluateAsync("() => window.__FOO = 'hit'");23            await watchdog;24        }25    }26}27using Microsoft.Playwright.Tests;28using System.Threading.Tasks;29{30    {31        [PlaywrightTest("page-wait-for-function.spec.ts", "should work with args")]32        [Fact(Timeout = TestConstants.DefaultTestTimeout)]33        public async Task ShouldWorkWithArgs()34        {35            var watchdog = Page.WaitForFunctionAsync("arg1 => arg1", "hit");36            await Page.EvaluateAsync("() => window.__FOO = 'hit'");37            await watchdog;38        }39    }40}41using Microsoft.Playwright.Tests;42using System.Threading.Tasks;43{44    {45        [PlaywrightTest("page-wait-for-function.spec.ts", "should work with ElementHandle")]46        [Fact(Timeout = TestConstants.DefaultTestTimeout)]47        public async Task ShouldWorkWithElementHandle()48        {49            await Page.SetContentAsync("<div></div>");50            var div = await Page.QuerySelectorAsync("div");

ShouldThrowOnPollingMutation

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Linq;5    using System.Text;6    using System.Text.Json;7    using System.Threading;8    using System.Threading.Tasks;9    using Microsoft.Playwright;10    using Xunit;11    using Xunit.Abstractions;12    [Collection(TestConstants.TestFixtureBrowserCollectionName)]13    {14        internal PageWaitForFunctionTests(ITestOutputHelper output) : base(output)15        {16        }17        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]18        public async Task ShouldImmediatelyResolvePromiseIfNodejsReturnsAPromise()19        {20            var result = await Page.EvaluateAsync<int>("() => Promise.resolve(8 * 7)");21            Assert.Equal(56, result);22        }23        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]24        public async Task ShouldPollOnInterval()25        {26            var watchdog = Page.WaitForFunctionAsync("window.__FOO === 'hit'", new WaitForFunctionOptions { PollingInterval = 100 });27            await Page.EvaluateAsync("() => new Promise(x => setTimeout(() => window.__FOO = 'hit', 200))");28            await watchdog;29        }30        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]31        public async Task ShouldPollOnRaf()32        {

ShouldThrowOnPollingMutation

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });11            var page = await browser.NewPageAsync();12            var exception = await ShouldThrowOnPollingMutation(page, "div");13            Console.WriteLine(exception);14        }15        public static async Task<Exception> ShouldThrowOnPollingMutation(IPage page, string selector)16        {17            var exception = await page.WaitForFunctionAsync<bool>(@"() => {18                var div = document.querySelector('div');19                var mutationCallback = () => { window['mutation'] = true; };20                var observer = new MutationObserver(mutationCallback);21                observer.observe(div, { attributes: true });22                div.setAttribute('foo', 'bar');23                return !!window['mutation'];24            }");25            return exception;26        }27    }28}29Unhandled exception. System.AggregateException: One or more errors occurred. (Object reference not set to an instance of an object.)30   at Microsoft.Playwright.Tests.PageWaitForFunctionTests.ShouldThrowOnPollingMutation(IPage page, String selector) in D:\a\playwright-sharp\playwright-sharp\src\Playwright.Tests\PageWaitForFunctionTests.cs:line 16331   at Test.Program.Main(String[] args) in D:\a\playwright-sharp\playwright-sharp\5.cs:line 2132   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)33   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)34   at System.Threading.Tasks.Task.Wait()35   at Test.Program.Main(String[] args) in D:\a\playwright-sharp\playwright-sharp\5.cs:line 25

ShouldThrowOnPollingMutation

Using AI Code Generation

1{2    {3        [PlaywrightTest("page-wait-for-function.spec.ts", "should throw on polling mutation")]4        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]5        public async Task ShouldThrowOnPollingMutation()6        {7            await Page.SetContentAsync("<div></div>");8            var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => Page.WaitForFunctionAsync("() => 1"));9            Assert.Contains("MutationObserver", exception.Message);10            Assert.Contains("mutation", exception.Message);11        }12    }13}14at Microsoft.Playwright.Tests.PageWaitForFunctionTests.ShouldThrowOnPollingMutation() in C:\Users\hazmi\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\PageWaitForFunctionTests.cs:line 3615    at ExecutionContext._evaluateInternalInBackground (/home/hlushkov/Projects/playwright-sharp/src/PlaywrightSharp/ExecutionContext.cs:338)16    at ExecutionContext.EvaluateInternalAsync[T] (/home/hlushkov/Projects/playwright-sharp/src/PlaywrightSharp/ExecutionContext.cs:228)17    at Page.WaitForFunctionAsync (System.String expression, System.Object arg, System.Nullable`1[T] polling, System.Nullable`1[T] timeout, System.Nullable`1[T] state) <0x40d1e1f0 + 0x002b6> in <filename unknown>:0 18    at Page.<>c__DisplayClass114_0.<WaitForFunctionAsync>b__0 () <0x40d1e0f0 + 0x

ShouldThrowOnPollingMutation

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();10            var page = await browser.NewPageAsync();11            var exception = await page.WaitForFunctionAsync("() => !document.querySelector('#searchInput')", new() { Timeout = 1000 });12            Console.WriteLine(exception);13        }14    }15}

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