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How to use ShouldImmediatelyResolveTaskIfNodeExists method of PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists

FrameWaitForSelectorTests.cs

Source:FrameWaitForSelectorTests.cs

...14        {15        }16        [PuppeteerTest("waittask.spec.ts", "Frame.waitForSelector", "should immediately resolve promise if node exists")]17        [PuppeteerFact]18        public async Task ShouldImmediatelyResolveTaskIfNodeExists()19        {20            await Page.GoToAsync(TestConstants.EmptyPage);21            var frame = Page.MainFrame;22            await frame.WaitForSelectorAsync("*");23            await frame.EvaluateFunctionAsync(AddElement, "div");24            await frame.WaitForSelectorAsync("div");25        }26        [PuppeteerTest("waittask.spec.ts", "Frame.waitForSelector", "should work with removed MutationObserver")]27        [SkipBrowserFact(skipFirefox: true)]28        public async Task ShouldWorkWithRemovedMutationObserver()29        {30            await Page.EvaluateExpressionAsync("delete window.MutationObserver");31            var waitForSelector = Page.WaitForSelectorAsync(".zombo");32            await Task.WhenAll(...

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1{2    [Collection("PuppeteerLoaderFixture collection")]3    {4        public async Task ShouldImmediatelyResolveTaskIfNodeExists()5        {6            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");7            await Page.EvaluateExpressionAsync("() => {document.querySelector('body').appendChild(document.createElement('div'));}");8            var frame = Page.MainFrame;9            var waitTask = frame.WaitForSelectorAsync("div");10            Assert.True(waitTask.IsCompleted);11            Assert.NotNull(waitTask.Result);12        }13    }14}15{16    [Collection("PuppeteerLoaderFixture collection")]17    {18        public async Task ShouldImmediatelyResolveTaskIfNodeExists()19        {20            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");21            await Page.EvaluateExpressionAsync("() => {document.querySelector('body').appendChild(document.createElement('div'));}");22            var frame = Page.MainFrame;23            Assert.True(waitTask.IsCompleted);24            Assert.NotNull(waitTask.Result);25        }26    }27}28{29    [Collection("PuppeteerLoaderFixture collection")]30    {31        public async Task ShouldImmediatelyResolveTaskIfNodeExists()32        {33            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");34            var waitTask = Page.WaitForFunctionAsync("() => true");35            Assert.True(waitTask.IsCompleted);36            Assert.NotNull(waitTask.Result);37        }38    }39}40{41    [Collection("PuppeteerLoaderFixture collection")]

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Xunit;6using Xunit.Abstractions;7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    {10        public ShouldImmediatelyResolveTaskIfNodeExists(ITestOutputHelper output) : base(output)11        {12        }13        public async Task ShouldImmediatelyResolveTaskIfNodeExists()14        {15            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");16            await Page.EvalOnSelectorAsync("body", "body => body.innerHTML = '<div class=\"second\"></div>'");17            var handle = await Page.WaitForSelectorAsync(".second");18            Assert.NotNull(handle);19        }20    }21}22using System;23using System.Collections.Generic;24using System.Text;25using System.Threading.Tasks;26using Xunit;27using Xunit.Abstractions;28{29    [Collection(TestConstants.TestFixtureCollectionName)]30    {31        public ShouldImmediatelyResolveTaskIfNodeExists(ITestOutputHelper output) : base(output)32        {33        }34        public async Task ShouldImmediatelyResolveTaskIfNodeExists()35        {36            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");37            await Page.EvalOnSelectorAsync("body", "body => body.innerHTML = '<div class=\"second\"></div>'");38            Assert.NotNull(handle);39        }40    }41}42using System;43using System.Collections.Generic;44using System.Text;45using System.Threading.Tasks;46using Xunit;47using Xunit.Abstractions;48{49    [Collection(TestConstants.TestFixtureCollectionName)]50    {51        public ShouldImmediatelyResolveTaskIfNodeExists(IT

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()2PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForXPathTests.ShouldImmediatelyResolveTaskIfNodeExists()3PuppeteerSharp.Tests.WaitTaskTests.PageWaitForXPathTests.ShouldImmediatelyResolveTaskIfNodeExists()4PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldNotResolveTaskIfNodeIsRemoved()5PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForXPathTests.ShouldNotResolveTaskIfNodeIsRemoved()6PuppeteerSharp.Tests.WaitTaskTests.PageWaitForXPathTests.ShouldNotResolveTaskIfNodeIsRemoved()7PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldResolveTaskIfNodeIsAdded()8PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForXPathTests.ShouldResolveTaskIfNodeIsAdded()9PuppeteerSharp.Tests.WaitTaskTests.PageWaitForXPathTests.ShouldResolveTaskIfNodeIsAdded()

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8{9    [Collection("PuppeteerLoaderFixture collection")]10    {11        public FrameWaitForSelectorTests(ITestOutputHelper output) : base(output)12        {13        }14        public async Task ShouldImmediatelyResolveTaskIfNodeExists()15        {16            var frame = await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");17            await frame.EvaluateExpressionAsync("() => { window['node'] = document.createElement('div'); document.body.appendChild(window['node']); }");18            var waitTask = frame.WaitForSelectorAsync("div");19            Assert.True(waitTask.IsCompleted);20            var element = await waitTask;21            Assert.Equal("DIV", element.TagName);22        }23    }24}25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30using Xunit;31using Xunit.Abstractions;32{33    [Collection("PuppeteerLoaderFixture collection")]34    {35        public FrameWaitForXPathTests(ITestOutputHelper output) : base(output)36        {37        }38        public async Task ShouldImmediatelyResolveTaskIfNodeExists()39        {40            var frame = await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");41            await frame.EvaluateExpressionAsync("() => { window['node'] = document.createElement('div'); document.body.appendChild(window['node']); }");42            Assert.True(waitTask.IsCompleted);43            var element = await waitTask;44            Assert.Equal("DIV", element.TagName);45        }46    }47}48using System;49using System.Collections.Generic;50using System.Linq;51using System.Text;

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()2PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()3PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()4PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()5PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()6PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()7PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()8PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()9PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1var  puppeteer =  new  PuppeteerSharp . Puppeteer ( ) ; 2 var  browser =  await  puppeteer . LaunchAsync ( ) ; 3 var  page =  await  browser . NewPageAsync ( ) ; 4 var  frame =  await  page . WaitForSelectorAsync ( "iframe" ) ; 5 var  childFrame =  await  frame . WaitForSelectorAsync ( "iframe" ) ; 6 var  element =  await  childFrame . WaitForSelectorAsync ( "h1" ) ; 7 var  text =  await  element . EvaluateFunctionAsync < string > ( "element => element.textContent" ) ; 8 Assert . AreEqual ( "Example Domain" , text ) ;9        PuppeteerSharp.PuppeteerException : Protocol error (Runtime.callFunctionOn): Cannot find context with specified id10          D:\PuppeteerSharp\lib\PuppeteerSharp\Frame.cs(107,0): at PuppeteerSharp.Frame.EvaluateFunctionHandleAsync(String pageFunction, Object[] args)11          D:\PuppeteerSharp\lib\PuppeteerSharp\Frame.cs(89,0): at PuppeteerSharp.Frame.EvaluateFunctionAsync[T](String pageFunction, Object[] args)12          D:\PuppeteerSharp\lib\PuppeteerSharp\Frame.cs(82,0): at PuppeteerSharp.Frame.WaitForSelectorAsync(String selector, WaitForSelectorOptions options)13          D:\PuppeteerSharp\test\PuppeteerSharp.Tests\WaitTaskTests\FrameWaitForSelectorTests.cs(23,0): at PuppeteerSharp.Tests.WaitTaskTests.FrameWaitForSelectorTests.ShouldImmediatelyResolveTaskIfNodeExists()14I am able to run the test successfully if I remove the childFrame.WaitForSelectorAsync("iframe") line. I am also able to run the test successfully if I

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp.Tests.Attributes;7using Xunit;8using Xunit.Abstractions;9{10    [Collection(TestConstants.TestFixtureCollectionName)]11    {12        public FrameWaitForSelectorTests(ITestOutputHelper output) : base(output)13        {14        }15        [PuppeteerTest("waittask.spec.ts", "Frame.waitForSelector", "should immediately resolve task if node exists")]16        public async Task ShouldImmediatelyResolveTaskIfNodeExists()17        {18            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");19            var frame = Page.MainFrame;20            var watchdog = frame.WaitForSelectorAsync("div");21            Assert.True(watchdog.IsCompleted);22            Assert.NotNull(await watchdog);23        }24    }25}26using System;27using System.Collections.Generic;28using System.Linq;29using System.Text;30using System.Threading.Tasks;31using PuppeteerSharp.Tests.Attributes;32using Xunit;33using Xunit.Abstractions;34{35    [Collection(TestConstants.TestFixtureCollectionName)]36    {37        public PageWaitForSelectorTests(ITestOutputHelper output) : base(output)38        {39        }40        [PuppeteerTest("waittask.spec.ts", "Page.waitForSelector", "should immediately resolve task if node exists")]41        public async Task ShouldImmediatelyResolveTaskIfNodeExists()42        {43            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");44            var watchdog = Page.WaitForSelectorAsync("div");45            Assert.True(watchdog.IsCompleted);46            Assert.NotNull(await watchdog);47        }48    }49}

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1var  puppeteer =  new  PuppeteerSharp.Puppeteer();2 var  browser = await puppeteer.LaunchAsync(new LaunchOptions { Headless =  false  });3 var  page = await browser.NewPageAsync();4 var  frame = page.MainFrame;5 var  waitTask = frame.WaitForSelectorAsync( "body" );6 var  mainFrame = page.MainFrame;7 var  task = mainFrame.WaitForSelectorAsync( "body" );8task.Wait();9 var  element = await task;10 var  element2 = await waitTask;11var  puppeteer =  new  PuppeteerSharp.Puppeteer();12 var  browser = await puppeteer.LaunchAsync(new LaunchOptions { Headless =  false  });13 var  page = await browser.NewPageAsync();14 var  frame = page.MainFrame;15 var  waitTask = frame.WaitForXPathAsync( "body" );16 var  mainFrame = page.MainFrame;17 var  task = mainFrame.WaitForXPathAsync( "body" );18task.Wait();19 var  element = await task;20 var  element2 = await waitTask;21var  puppeteer =  new  PuppeteerSharp.Puppeteer();22 var  browser = await puppeteer.LaunchAsync(new LaunchOptions { Headless =  false  });23 var  page = await browser.NewPageAsync();24 var  frame = page.MainFrame;25 var  waitTask = frame.WaitForXPathAsync( "body" );26 var  mainFrame = page.MainFrame;27 var  task = mainFrame.WaitForXPathAsync( "body" );28task.Wait();29 var  element = await task;30 var  element2 = await waitTask;31var  puppeteer =  new  PuppeteerSharp.Puppeteer();

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1using PuppeteerSharp.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        [PuppeteerTest("waittask.spec.ts", "Frame.waitForSelector", "should immediately resolve task if node exists")]10        public async Task ShouldImmediatelyResolveTaskIfNodeExists()11        {12            await Page.GoToAsync(TestConstants.ServerUrl + "/static/css.html");13            await Page.AddStyleTagAsync(new AddTagOptions { Content = "div { display: none; }" });14            var waitForSelectorTask = Page.WaitForSelectorAsync("div");15            await Page.EvaluateExpressionAsync("() => delete window['Node']");16            var e = await Assert.ThrowsAsync<PuppeteerException>(async () => await waitForSelectorTask);17            Assert.Contains("Node is not defined", e.Message);18        }19    }20}21using PuppeteerSharp.Tests;22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27{28    {29        [PuppeteerTest("waittask.spec.ts", "Page.waitForSelector", "should immediately resolve task if node exists")]30        public async Task ShouldImmediatelyResolveTaskIfNodeExists()31        {32            await Page.GoToAsync(TestConstants.ServerUrl + "/static/css.html");33            await Page.AddStyleTagAsync(new AddTagOptions { Content = "div { display: none; }" });34            var waitForSelectorTask = Page.WaitForSelectorAsync("div");35            await Page.EvaluateExpressionAsync("() => delete window['Node']");36            var e = await Assert.ThrowsAsync<PuppeteerException>(async () => await waitForSelectorTask);37            Assert.Contains("Node is not defined", e.Message);38        }39    }40}

ShouldImmediatelyResolveTaskIfNodeExists

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp.Tests;5using PuppeteerSharp.Xunit;6using Xunit;7using Xunit.Abstractions;8{9    [Collection(TestConstants.TestFixtureCollectionName)]10    {11        public ShouldImmediatelyResolveTaskIfNodeExists(ITestOutputHelper output) : base(output)12        {13        }14        [PuppeteerTest("waittask.spec.ts", "Frame.waitForSelector", "should immediately resolve task if node exists")]15        public async Task ShouldImmediatelyResolveTaskIfNodeExists()16        {17            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");18            await Page.EvalOnSelectorAsync("div", "div => div.id = 'mydiv'");19            Assert.NotNull(await Page.WaitForSelectorAsync("#mydiv"));20        }21    }22}23{24    {25        {26            public FrameWaitForSelectorTests(ITestOutputHelper output) : base(output)27            {28            }29            [PuppeteerTest("waittask.spec.ts", "Frame.waitForSelector", "should immediately resolve task if node exists")]30            public async Task ShouldImmediatelyResolveTaskIfNodeExists()31            {32                await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");33                await Page.EvalOnSelectorAsync("div", "div => div.id = 'mydiv'");34                Assert.NotNull(await Page.WaitForSelectorAsync("#mydiv"));35            }36        }37    }38}39var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });

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