Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use ShouldPollOnMutationAsync method of PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.ShouldPollOnMutationAsync

FrameWaitForFunctionTests.cs

Source:FrameWaitForFunctionTests.cs

...69            await watchdog;70        }71        [PuppeteerTest("waittask.spec.ts", "Frame.waitForFunction", "should poll on mutation async")]72        [PuppeteerFact]73        public async Task ShouldPollOnMutationAsync()74        {75            var success = false;76            var watchdog = Page.WaitForFunctionAsync("async () => window.__FOO === 'hit'",77                new WaitForFunctionOptions { Polling = WaitForFunctionPollingOption.Mutation })78                .ContinueWith(_ => success = true);79            await Page.EvaluateFunctionAsync("async () => window.__FOO = 'hit'");80            Assert.False(success);81            await Page.EvaluateExpressionAsync("document.body.appendChild(document.createElement('div'))");82            await watchdog;83        }84        [PuppeteerTest("waittask.spec.ts", "Frame.waitForFunction", "should poll on raf")]85        [PuppeteerFact]86        public async Task ShouldPollOnRaf()87        {...

ShouldPollOnMutationAsync

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        public async Task ShouldPollOnMutationAsync()7        {8            var options = TestConstants.DefaultBrowserOptions();9            using (var browser = await Puppeteer.LaunchAsync(options))10            using (var page = await browser.NewPageAsync())11            {12                await page.GoToAsync(TestConstants.ServerUrl + "/poll.html");13                var watchdog = page.WaitForFunctionAsync("window.__FOO === 'hit'", new WaitForFunctionOptions { PollingInterval = 10 });14                await page.EvaluateExpressionAsync("window.__poll(50)");15                await page.EvaluateExpressionAsync("window.__FOO = 'hit'");16                await watchdog;17            }18        }19    }20}21using PuppeteerSharp;22using System;23using System.Threading.Tasks;24{25    {26        public async Task ShouldPollOnRafAsync()27        {28            var options = TestConstants.DefaultBrowserOptions();29            using (var browser = await Puppeteer.LaunchAsync(options))30            using (var page = await browser.NewPageAsync())31            {32                await page.GoToAsync(TestConstants.ServerUrl + "/poll.html");33                var watchdog = page.WaitForFunctionAsync("window.__FOO === 'hit'", new WaitForFunctionOptions { PollingInterval = 10 });34                await page.EvaluateExpressionAsync("window.__pollRaf(50)");35                await page.EvaluateExpressionAsync("window.__FOO = 'hit'");36                await watchdog;37            }38        }39    }40}41using PuppeteerSharp;42using System;43using System.Threading.Tasks;44{45    {46        public async Task ShouldWorkWithDateAsync()47        {48            var options = TestConstants.DefaultBrowserOptions();49            using (var browser = await Puppeteer.LaunchAsync(options))50            using (var page = await browser.NewPageAsync

ShouldPollOnMutationAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests;4using PuppeteerSharp.Tests.WaitTaskTests;5{6    {7        [PuppeteerTest("waittask.spec.ts", "Frame.waitForFunction", "should poll on mutation")]8        public async Task ShouldPollOnMutation()9        {10            await Page.GoToAsync(TestConstants.ServerUrl + "/static/dynamic.html");11            var watchdog = Page.WaitForFunctionAsync("window.__FOO === 'hit'");12            await Page.EvaluateFunctionAsync("() => window.__FOO = 'hit'");13            await watchdog;14        }15    }16}

ShouldPollOnMutationAsync

Using AI Code Generation

1PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldPollOnMutationAsync();2PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldPollOnRafAsync();3PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldThrowIfEvaluationFailedAsync();4PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldWorkWithDateAsync();5PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldWorkWithDifferentWindowTypesAsync();6PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldWorkWithElementHandleAsync();7PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldWorkWithFunctionStringAsync();8PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldWorkWithNaNAsync();9PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForFunctionTests.WaitForFunctionShouldWorkWithNullArrayAsync();

ShouldPollOnMutationAsync

Using AI Code Generation

1await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");2var frame = Page.FirstChildFrame();3var waitTask = frame.WaitForFunctionAsync("() => window.innerWidth < 100");4Page.SetViewportAsync(new ViewPortOptions { Width = 10, Height = 10 });5await waitTask;6await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");7var frame = Page.FirstChildFrame();8var waitTask = frame.WaitForFunctionAsync("() => window.innerWidth < 100");9Page.EvaluateFunctionAsync("() => new Promise(requestAnimationFrame)");10await waitTask;11await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");12var frame = Page.FirstChildFrame();13var waitTask = frame.WaitForFunctionAsync("() => window.innerWidth < 100");14Page.EvaluateFunctionAsync("() => new Promise(requestAnimationFrame)");15await waitTask;16await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");17var frame = Page.FirstChildFrame();18var waitTask = frame.WaitForFunctionAsync("() => window.innerWidth < 100");19Page.EvaluateFunctionAsync("() => new Promise(requestAnimationFrame)");20await waitTask;21await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");22var frame = Page.FirstChildFrame();23var waitTask = frame.WaitForFunctionAsync("() =>

ShouldPollOnMutationAsync

Using AI Code Generation

1{2    public async Task ShouldPollOnMutationAsync()3    {4        var options = new LaunchOptions { Headless = false };5        using (var browser = await Puppeteer.LaunchAsync(options))6        using (var page = await browser.NewPageAsync())7        {8            await page.GoToAsync(TestConstants.ServerUrl + "/poll.html");9            var watchdog = page.WaitForFunctionAsync(@"() => {10                var div = document.querySelector('div');11                return div.getAttribute('data-value') === 'hitme';12            }");13            await page.ClickAsync("button");14            await watchdog;15        }16    }17}18{19    public async Task ShouldPollOnRafAsync()20    {21        var options = new LaunchOptions { Headless = false };22        using (var browser = await Puppeteer.LaunchAsync(options))23        using (var page = await browser.NewPageAsync())24        {25            await page.GoToAsync(TestConstants.ServerUrl + "/raf.html");26            var watchdog = page.WaitForFunctionAsync(@"() => {27                var div = document.querySelector('div');28                return div.getAttribute('data-value') === 'hitme';29            }");30            await page.ClickAsync("button");31            await watchdog;32        }33    }34}35{36    public async Task ShouldPollOnMutationAsync()37    {38        var options = new LaunchOptions { Headless = false };39        using (var browser = await Puppeteer.LaunchAsync(options))40        using (var page = await browser.NewPageAsync())41        {42            await page.GoToAsync(TestConstants.ServerUrl + "/poll.html");43            var watchdog = page.WaitForFunctionAsync(@"() => {44                var div = document.querySelector('div');45                return div.getAttribute('data-value') === 'hitme';46            }");47            await page.ClickAsync("button");48            await watchdog;49        }50    }51}

ShouldPollOnMutationAsync

Using AI Code Generation

1using PuppeteerSharp.Tests.WaitTaskTests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Threading.Tasks;6using PuppeteerSharp.Tests;7using Xunit;8using Xunit.Abstractions;9{10    [Collection("PuppeteerLoaderFixture collection")]11    {12        public FrameWaitForFunctionTests(ITestOutputHelper output) : base(output)13        {14        }15        [Fact(Timeout = TestConstants.DefaultTestTimeout)]16        public async Task ShouldWork()17        {18            var watchdog = Page.WaitForFunctionAsync("() => window.__FOO === 'hit'");19            await Page.EvaluateExpressionAsync("window.__FOO = 'hit'");20            await watchdog;21        }22    }23}24using PuppeteerSharp.Tests.WaitTaskTests;25using System;26using System.Collections.Generic;27using System.Linq;28using System.Threading.Tasks;29using PuppeteerSharp.Tests;30using Xunit;31using Xunit.Abstractions;32{33    [Collection("PuppeteerLoaderFixture collection")]34    {35        public FrameWaitForFunctionTests(ITestOutputHelper output) : base(output)36        {37        }38        [Fact(Timeout = TestConstants.DefaultTestTimeout)]39        public async Task ShouldNotAllowExtraArguments()40        {41            var exception = await Assert.ThrowsAsync<ArgumentException>(async () =>42            {43                await Page.WaitForFunctionAsync("() => true", new object[] { }, new object[] { });44            });45            Assert.Contains("Unsupported target type", exception.Message);46        }47    }48}49using PuppeteerSharp.Tests.WaitTaskTests;50using System;51using System.Collections.Generic;52using System.Linq;53using System.Threading.Tasks;54using PuppeteerSharp.Tests;

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.