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 Github

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...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 {...

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ShouldPollOnMutationAsync

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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

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ShouldPollOnMutationAsync

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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}

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ShouldPollOnMutationAsync

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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();

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ShouldPollOnMutationAsync

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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("() =>

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ShouldPollOnMutationAsync

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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}

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ShouldPollOnMutationAsync

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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;

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