How to use ShouldWaitForPredicate method of PuppeteerSharp.Tests.WaitForTests.PageWaitForTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.WaitForTests.PageWaitForTests.ShouldWaitForPredicate

PageWaitForTests.cs

Source:PageWaitForTests.cs Github

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...64 Assert.True(await result.JsonValueAsync<bool>());65 }66 [PuppeteerTest("waittask.spec.ts", "Page.waitFor", "should wait for predicate")]67 [PuppeteerFact]68 public Task ShouldWaitForPredicate()69 => Task.WhenAll(70 Page.WaitForFunctionAsync("() => window.innerWidth < 100"),71 Page.SetViewportAsync(new ViewPortOptions { Width = 10, Height = 10 }));72 [PuppeteerTest("waittask.spec.ts", "Page.waitFor", "should wait for predicate with arguments")]73 [PuppeteerFact]74 public async Task ShouldWaitForPredicateWithArguments()75 => await Page.WaitForFunctionAsync("(arg1, arg2) => arg1 !== arg2", new WaitForFunctionOptions(), 1, 2);76 }77}

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ShouldWaitForPredicate

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.Attributes;4using Xunit;5using Xunit.Abstractions;6{7 [Collection(TestConstants.TestFixtureCollectionName)]8 {9 public PageWaitForTests(ITestOutputHelper output) : base(output)10 {11 }12 [PuppeteerTest("waittask.spec.ts", "Page.waitFor", "should wait for predicate")]13 public async Task ShouldWaitForPredicate()14 {15 var watchdog = Page.WaitForFunctionAsync("() => window.__FOO === 'hit'");16 await Page.EvaluateExpressionAsync("window.__FOO = 'hit'");17 await watchdog;18 }19 }20}

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ShouldWaitForPredicate

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests.Attributes;5{6 [Collection(TestConstants.TestFixtureCollectionName)]7 {8 [PuppeteerTest("waitfotests.cs", "PageWaitForTests", "ShouldWaitForPredicate")]9 public async Task ShouldWaitForPredicate()10 {11 var watchdog = Page.WaitForFunctionAsync("() => window.__FOO === 'hit'");12 await Page.EvaluateExpressionAsync("window.__FOO = 'hit'");13 await watchdog;14 }15 }16}17using System;18using System.Threading.Tasks;19using PuppeteerSharp;20using PuppeteerSharp.Tests.Attributes;21{22 [Collection(TestConstants.TestFixtureCollectionName)]23 {24 [PuppeteerTest("waitfotests.cs", "PageWaitForTests", "ShouldWaitForPredicateWithArgs")]25 public async Task ShouldWaitForPredicateWithArgs()26 {27 var watchdog = Page.WaitForFunctionAsync("arg => window[arg]", new object[] { "__FOO" });28 await Page.EvaluateExpressionAsync("window.__FOO = 'hit'");29 await watchdog;30 }31 }32}33using System;34using System.Threading.Tasks;35using PuppeteerSharp;36using PuppeteerSharp.Tests.Attributes;37{38 [Collection(TestConstants.TestFixtureCollectionName)]39 {40 [PuppeteerTest("waitfotests.cs", "PageWaitForTests", "ShouldWaitForPredicateWithElementHandleArguments")]41 public async Task ShouldWaitForPredicateWithElementHandleArguments()42 {43 var watchdog = Page.WaitForFunctionAsync("arg => !document.body.contains(arg)", new object[] { await Page.EvaluateHandleAsync("() => document.createElement('div')") });

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ShouldWaitForPredicate

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1PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();2test.ShouldWaitForPredicate();3PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();4test.ShouldWaitForPredicate();5PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();6test.ShouldWaitForPredicate();7PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();8test.ShouldWaitForPredicate();9PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();10test.ShouldWaitForPredicate();11PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();12test.ShouldWaitForPredicate();13PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();14test.ShouldWaitForPredicate();15PuppeteerSharp.Tests.WaitForTests.PageWaitForTests test = new PuppeteerSharp.Tests.WaitForTests.PageWaitForTests();16test.ShouldWaitForPredicate();

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ShouldWaitForPredicate

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests;5using PuppeteerSharp.Xunit;6{7 {8 static async Task Main(string[] args)9 {10 var browser = await Puppeteer.LaunchAsync(new LaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 await page.WaitForSelectorAsync("input");15 await page.TypeAsync("input", "PuppeteerSharp");16 await page.ClickAsync("input[value='Google Search']");17 await page.CloseAsync();18 await browser.CloseAsync();19 }20 }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp;25using PuppeteerSharp.Tests;26using PuppeteerSharp.Xunit;27{28 {29 static async Task Main(string[] args)30 {31 var browser = await Puppeteer.LaunchAsync(new LaunchOptions32 {33 });34 var page = await browser.NewPageAsync();35 await page.WaitForSelectorAsync("input");36 await page.TypeAsync("input", "PuppeteerSharp");37 await page.ClickAsync("input[value='Google Search']");38 await page.CloseAsync();39 await browser.CloseAsync();40 }41 }42}43using System;44using System.Threading.Tasks;45using PuppeteerSharp;46using PuppeteerSharp.Tests;47using PuppeteerSharp.Xunit;48{49 {50 static async Task Main(string[] args)51 {52 var browser = await Puppeteer.LaunchAsync(new LaunchOptions53 {54 });

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ShouldWaitForPredicate

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests;5using Xunit;6using Xunit.Abstractions;7{8 [Collection("PuppeteerLoaderFixture collection")]9 {10 public PageWaitForSelectorTests(ITestOutputHelper output) : base(output)11 {12 }13 public async Task ShouldImmediatelyResolvePromiseIfNodeExists()14 {15 await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");16 await Page.SetContentAsync("<h1>waitFor</h1>");17 var eHandle = await Page.WaitForSelectorAsync("h1");18 Assert.Equal("waitFor", await Page.EvaluateExpressionAsync<string>("e => e.textContent", eHandle));19 }20 public async Task ShouldWorkWhenNodeIsAddedThroughInnerHTML()21 {22 await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");23 var watchdog = Page.WaitForSelectorAsync("h3 div");24 await Page.EvaluateExpressionAsync("() => document.querySelector('h3').innerHTML = '<div></div>'");25 var eHandle = await watchdog;26 Assert.Equal("DIV", await Page.EvaluateExpressionAsync<string>("e => e.nodeName", eHandle));27 }28 public async Task ShouldWorkWhenNodeIsAddedThroughDOM()29 {30 await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");31 var watchdog = Page.WaitForSelectorAsync("h3 div");32 await Page.EvaluateExpressionAsync("() => document.querySelector('h3').appendChild(document.createElement('div'))");33 var eHandle = await watchdog;34 Assert.Equal("DIV", await Page.EvaluateExpressionAsync<string>("e => e.nodeName", eHandle));35 }36 public async Task ShouldRespectTimeout()37 {38 var exception = await Assert.ThrowsAnyAsync<TimeoutException>(()39 => Page.WaitForSelectorAsync("div", new WaitForSelectorOptions { Timeout = 10 }));40 Assert.Contains("waiting for selector \"div\" failed: timeout", exception.Message);41 }42 public async Task ShouldRespectTimeoutWhenNodeIsAdded()43 {44 var watchdog = Page.WaitForSelectorAsync("h1", new WaitForSelectorOptions { Timeout = 2000 });

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ShouldWaitForPredicate

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1var page = await Browser.NewPageAsync();2await page.WaitForSelectorAsync("h1");3var exception = await Assert.ThrowsAsync<TimeoutException>(async () =>4{5 await page.WaitForSelectorAsync("h1", new WaitForSelectorOptions { Timeout = 10 });6});7Assert.Contains("waiting failed: timeout", exception.Message);8var page = await Browser.NewPageAsync();9var exception = await Assert.ThrowsAsync<TimeoutException>(async () =>10{11});12Assert.Contains("waiting failed: timeout", exception.Message);13var page = await Browser.NewPageAsync();14await page.WaitForFunctionAsync("() => true");15var exception = await Assert.ThrowsAsync<TimeoutException>(async () =>16{17 await page.WaitForFunctionAsync("() => false", new WaitForFunctionOptions { Timeout = 10 });18});19Assert.Contains("waiting failed: timeout", exception.Message);20var page = await Browser.NewPageAsync();21await page.WaitForFunctionAsync("arg => arg", "test");22var exception = await Assert.ThrowsAsync<TimeoutException>(async () =>23{24 await page.WaitForFunctionAsync("arg => !arg", "test", new WaitForFunctionOptions { Timeout = 10 });25});26Assert.Contains("waiting failed: timeout", exception.Message);27var page = await Browser.NewPageAsync();28await page.WaitForFunctionAsync("() => true", new WaitForFunctionOptions { PollingInterval = 10 });

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ShouldWaitForPredicate

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1var page = await browser.NewPageAsync();2await page.WaitForSelectorAsync("h1");3await page.WaitForSelectorAsync("h2");4await page.WaitForSelectorAsync("h3");5await page.WaitForSelectorAsync("h4");6await page.WaitForSelectorAsync("h5");7await page.WaitForSelectorAsync("h6");8await page.WaitForSelectorAsync("h7");9var page = await browser.NewPageAsync();10var page = await browser.NewPageAsync();11await page.WaitForSelectorAsync("h1");12await page.WaitForSelectorAsync("h4");13await page.WaitForSelectorAsync("h7");14var page = await browser.NewPageAsync();15await page.WaitForSelectorAsync("h2");16await page.WaitForSelectorAsync("h4");17await page.WaitForSelectorAsync("h6");

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