How to use ElementHandleQuerySelectorTests class of PuppeteerSharp.Tests.ElementHandleTests package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.ElementHandleTests.ElementHandleQuerySelectorTests

ElementHandleQuerySelectorTests.cs

Source:ElementHandleQuerySelectorTests.cs Github

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...6using Xunit.Abstractions;7namespace PuppeteerSharp.Tests.ElementHandleTests8{9 [Collection(TestConstants.TestFixtureCollectionName)]10 public class ElementHandleQuerySelectorTests : PuppeteerPageBaseTest11 {12 public ElementHandleQuerySelectorTests(ITestOutputHelper output) : base(output)13 {14 }15 [PuppeteerTest("queryselector.spec.ts", "ElementHandle.$", "should query existing element")]16 [PuppeteerFact]17 public async Task ShouldQueryExistingElement()18 {19 await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");20 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div></body></html>");21 var html = await Page.QuerySelectorAsync("html");22 var second = await html.QuerySelectorAsync(".second");23 var inner = await second.QuerySelectorAsync(".inner");24 var content = await Page.EvaluateFunctionAsync<string>("e => e.textContent", inner);25 Assert.Equal("A", content);26 }...

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ElementHandleQuerySelectorTests

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1using PuppeteerSharp.Tests.ElementHandleTests;2using PuppeteerSharp.Tests.ElementHandleTests;3using PuppeteerSharp.Tests.ElementHandleTests;4using PuppeteerSharp.Tests.ElementHandleTests;5using PuppeteerSharp.Tests.ElementHandleTests;6using PuppeteerSharp.Tests.ElementHandleTests;7using PuppeteerSharp.Tests.ElementHandleTests;8{9 {10 public async Task ShouldWork()11 {12 await Page.SetContentAsync("<html><head><title>test</title></head><body><div class=\"second\"><div class=\"inner\">A</div></div><div class=\"third\"><div class=\"inner\">B</div></div></body></html>");13 var html = await Page.QuerySelectorAsync("html");14 var second = await html.QuerySelectorAsync(".second");15 var third = await html.QuerySelectorAsync(".third");16 Assert.AreEqual(await Page.EvaluateFunctionAsync<string>("e => e.className", second), "second");17 Assert.AreEqual(await Page.EvaluateFunctionAsync<string>("e => e.className", third), "third");18 }19 public async Task ShouldReturnNullForNonExistingElement()20 {21 await Page.SetContentAsync("<html><head><title>test</title></head><body><div class=\"second\"><div class=\"inner\">A</div></div><div class=\"third\"><div class=\"inner\">B</div></div></body></html>");22 var html = await Page.QuerySelectorAsync("html");23 var fourth = await html.QuerySelectorAsync(".fourth");24 Assert.Null(fourth);25 }26 public async Task ShouldRespectContentVisibility()27 {28 await Page.SetContentAsync("<html><head><title>test</title></

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ElementHandleQuerySelectorTests

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1using PuppeteerSharp.Tests.ElementHandleTests;2using System.Threading.Tasks;3{4 {5 [PuppeteerTest("elementhandle.spec.ts", "ElementHandle.$", "should query existing element")]6 public async Task ShouldQueryExistingElement()7 {8 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div></body></html>");9 var html = await Page.QuerySelectorAsync("html");10 var second = await html.QuerySelectorAsync(".second");11 var inner = await second.QuerySelectorAsync(".inner");12 var content = await Page.EvaluateFunctionAsync<string>("e => e.textContent", inner);13 Assert.Equal("A", content);14 }15 }16}17using PuppeteerSharp.Tests.ElementHandleTests;18using System.Threading.Tasks;19{20 {21 [PuppeteerTest("elementhandle.spec.ts", "ElementHandle.$$", "should query existing elements")]22 public async Task ShouldQueryExistingElements()23 {24 await Page.SetContentAsync("<html><body><div>A</div><br/><div>B</div></body></html>");25 var html = await Page.QuerySelectorAsync("html");26 var elements = await html.QuerySelectorAllAsync("div");27 Assert.Equal(2, elements.Length);28 Assert.Equal("A", await Page.EvaluateFunctionAsync<string>("e => e.textContent", elements[0]));29 Assert.Equal("B", await Page.EvaluateFunctionAsync<string>("e => e.textContent", elements[1]));30 }31 }32}33using PuppeteerSharp.Tests.ElementHandleTests;34using System.Threading.Tasks;35{36 {37 [PuppeteerTest("elementhandle.spec.ts", "ElementHandle.$$", "should return empty array if nothing is found")]

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ElementHandleQuerySelectorTests

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1using PuppeteerSharp.Tests.ElementHandleTests;2using PuppeteerSharp.Tests.PageTests;3{4 [Collection("PuppeteerLoaderFixture collection")]5 {6 public async Task ShouldWork()7 {8 await Page.SetContentAsync("<section id='testAttribute'>43543</section>");9 var element = await Page.QuerySelectorAsync("section");10 var idAttribute = await element.GetAttributeAsync("id");11 Assert.Equal("testAttribute", idAttribute);12 }13 }14}15using PuppeteerSharp.Tests.ElementHandleTests;16using PuppeteerSharp.Tests.PageTests;17{18 [Collection("PuppeteerLoaderFixture collection")]19 {20 public async Task ShouldWork()21 {22 await Page.SetContentAsync("<section id='testAttribute'>43543</section>");23 var element = await Page.QuerySelectorAsync("section");24 var idAttribute = await element.GetAttributeAsync("id");25 Assert.Equal("testAttribute", idAttribute);26 }27 }28}29using PuppeteerSharp.Tests.ElementHandleTests;30using PuppeteerSharp.Tests.PageTests;31{32 [Collection("PuppeteerLoaderFixture collection")]33 {34 public async Task ShouldWork()35 {36 await Page.SetContentAsync("<section id='testAttribute'>43543</section>");37 var element = await Page.QuerySelectorAsync("section");38 var idAttribute = await element.GetAttributeAsync("id");39 Assert.Equal("testAttribute", idAttribute);40 }41 }42}

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ElementHandleQuerySelectorTests

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1using PuppeteerSharp.Tests.ElementHandleTests;2using Xunit;3using Xunit.Abstractions;4using PuppeteerSharp.Tests.Attributes;5using System.Threading.Tasks;6{7 [Collection(TestConstants.TestFixtureCollectionName)]8 {9 public ElementHandleQuerySelectorTests(ITestOutputHelper output) : base(output)10 {11 }12 [PuppeteerTest("elementhandle.spec.ts", "ElementHandle.$", "should query existing element")]13 public async Task ShouldQueryExistingElement()14 {15 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div></body></html>");16 var html = await Page.QuerySelectorAsync("html");17 var second = await html.QuerySelectorAsync(".second");18 var inner = await second.QuerySelectorAsync(".inner");19 var content = await Page.EvaluateFunctionAsync<string>("e => e.textContent", inner);20 Assert.Equal("A", content);21 }22 [PuppeteerTest("elementhandle.spec.ts", "ElementHandle.$", "should return null for non-existing element")]23 public async Task ShouldReturnNullForNonExistingElement()24 {25 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">B</div></div></body></html>");26 var html = await Page.QuerySelectorAsync("html");27 var second = await html.QuerySelectorAsync(".third");28 Assert.Null(second);29 }30 [PuppeteerTest("elementhandle.spec.ts", "ElementHandle.$", "should return ElementHandle for TextNodes")]31 public async Task ShouldReturnElementHandleForTextNodes()32 {33 await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</div> <div>❤️</div></div></body></html>");34 var tweet = await Page.QuerySelectorAsync(".tweet");35 var text = await tweet.QuerySelectorAsync(".like");36 var content = await Page.EvaluateFunctionAsync<string>("e => e.textContent", text);37 Assert.Equal("100", content);38 }39 [PuppeteerTest("elementhandle.spec.ts", "ElementHandle.$", "should return ElementHandle for comment nodes")]

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ElementHandleQuerySelectorTests

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1using PuppeteerSharp.Tests.ElementHandleTests;2using PuppeteerSharp.Tests;3using PuppeteerSharp.Tests;4{5 [Collection("PuppeteerLoaderFixture collection")]6 {7 public ElementHandleQuerySelectorTests(ITestOutputHelper output) : base(output)8 {9 }10 public async Task ShouldQueryExistingElement()11 {12 await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");13 var element = await Page.QuerySelectorAsync("body");14 var div = await element.QuerySelectorAsync("div");15 Assert.Equal("some text", await div.EvaluateFunctionAsync<string>("e => e.textContent"));16 }17 public async Task ShouldReturnNullForNonExistingElement()18 {19 await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");20 var element = await Page.QuerySelectorAsync("body");21 var nonExistingElement = await element.QuerySelectorAsync("non-existing-element");22 Assert.Null(nonExistingElement);23 }24 }25}26using PuppeteerSharp.Tests.ElementHandleTests;27using PuppeteerSharp.Tests;28using PuppeteerSharp.Tests;29{30 [Collection("PuppeteerLoaderFixture collection")]31 {32 public ElementHandleQuerySelectorAllTests(ITestOutputHelper output) : base(output)33 {34 }35 public async Task ShouldQueryExistingElements()36 {37 await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");38 var element = await Page.QuerySelectorAsync("body");39 var divs = await element.QuerySelectorAllAsync("div");40 Assert.Equal(3, divs.Length);41 Assert.Equal("some text", await divs[0].EvaluateFunctionAsync<string>("e => e.textContent"));42 Assert.Equal("another div", await divs[1].EvaluateFunctionAsync

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ElementHandleQuerySelectorTests

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 using (var browser = await Puppeteer.LaunchAsync())10 using (var page = await browser.NewPageAsync())11 {12 var element = await page.QuerySelectorAsync("a");13 Console.WriteLine(element);14 }15 }16 }17}18QuerySelectorAllAsync() Method19public Task<ElementHandle[]> QuerySelectorAllAsync(string selector);20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23{24 {25 static async Task Main(string[] args)26 {27 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);28 using (var browser = await Puppeteer.LaunchAsync())29 using (var page = await browser.NewPageAsync())30 {31 var elements = await page.QuerySelectorAllAsync("a");32 foreach (var element in elements)33 {34 Console.WriteLine(element);35 }36 }37 }38 }39}

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