How to use PageQuerySelectorAllTests class of PuppeteerSharp.Tests.QuerySelectorTests package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.QuerySelectorTests.PageQuerySelectorAllTests

PageQuerySelectorAllTests.cs

Source: PageQuerySelectorAllTests.cs Github

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...6using PuppeteerSharp.Tests.Attributes;7namespace PuppeteerSharp.Tests.QuerySelectorTests8{9 [Collection(TestConstants.TestFixtureCollectionName)]10 public class PageQuerySelectorAllTests : PuppeteerPageBaseTest11 {12 public PageQuerySelectorAllTests(ITestOutputHelper output) : base(output)13 {14 }15 [PuppeteerTest("queryselector.spec.ts", "Page.$$", "should query existing elements")]16 [PuppeteerFact]17 public async Task ShouldQueryExistingElements()18 {19 await Page.SetContentAsync("<div>A</​div><br/​><div>B</​div>");20 var elements = await Page.QuerySelectorAllAsync("div");21 Assert.Equal(2, elements.Length);22 var tasks = elements.Select(element => Page.EvaluateFunctionAsync<string>("e => e.textContent", element));23 Assert.Equal(new[] { "A", "B" }, await Task.WhenAll(tasks));24 }25 [PuppeteerTest("queryselector.spec.ts", "Page.$$", "should return empty array if nothing is found")]26 [PuppeteerFact]...

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PageQuerySelectorAllTests

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1using System.Threading.Tasks;2using PuppeteerSharp.Tests.QuerySelectorTests;3using Xunit;4using Xunit.Abstractions;5{6 [Collection("PuppeteerLoaderFixture collection")]7 {8 public PageQuerySelectorAllTests(ITestOutputHelper output) : base(output)9 {10 }11 public async Task ShouldQueryExistingElement()12 {13 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</​div></​div></​body></​html>");14 var elements = await Page.QuerySelectorAllAsync(".second .inner");15 Assert.Equal(1, elements.Length);16 Assert.Equal("A", await Page.EvaluateFunctionAsync<string>("e => e.textContent", elements[0]));17 }18 public async Task ShouldReturnEmptyArrayIfNothingIsFound()19 {20 await Page.SetContentAsync("<html><body><div class=\"second\"></​div></​body></​html>");21 var elements = await Page.QuerySelectorAllAsync(".third .inner");22 Assert.Empty(elements);23 }24 }25}26using System.Threading.Tasks;27using PuppeteerSharp.Tests.QuerySelectorTests;28using Xunit;29using Xunit.Abstractions;30{31 [Collection("PuppeteerLoaderFixture collection")]32 {33 public PageQuerySelectorTests(ITestOutputHelper output) : base(output)34 {35 }36 public async Task ShouldQueryExistingElement()37 {38 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</​div></​div></​body></​html>");39 var element = await Page.QuerySelectorAsync(".second .inner");40 Assert.Equal("A", await Page.EvaluateFunctionAsync<string>("e => e.textContent", element));41 }42 public async Task ShouldReturnNullIfNothingIsFound()43 {44 await Page.SetContentAsync("<html><body><div class=\"second\"></​div></​body></​html>");45 var element = await Page.QuerySelectorAsync(".third .inner");46 Assert.Null(element);47 }48 }49}

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PageQuerySelectorAllTests

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests.QuerySelectorTests;5{6 {7 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should query existing element")]8 public async Task ShouldQueryExistingElement()9 {10 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</​div></​div></​body></​html>");11 var html = await Page.QuerySelectorAsync("html");12 var second = await Page.QuerySelectorAsync(".second");13 var inner = await Page.QuerySelectorAsync(".inner");14 var nonExistent = await Page.QuerySelectorAsync(".non-existent");15 Assert.Equal(Page.MainFrame, await html.GetContentFrameAsync());16 Assert.Equal(Page.MainFrame, await second.GetContentFrameAsync());17 Assert.Equal(Page.MainFrame, await inner.GetContentFrameAsync());18 Assert.Null(await nonExistent.GetContentFrameAsync());19 }20 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return null for non-existing element")]21 public async Task ShouldReturnNullForNonExistingElement()22 {23 await Page.SetContentAsync("<html><body><div class=\"second\"></​div></​body></​html>");24 var nonExistent = await Page.QuerySelectorAsync(".third");25 Assert.Null(await nonExistent.GetContentFrameAsync());26 }27 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return null for visible: false elements")]28 public async Task ShouldReturnNullForVisibleFalseElements()29 {30 await Page.SetContentAsync("<html><body><div style=\"display:none\"><div class=\"inner\">hi</​div></​div></​body></​html>");31 var inner = await Page.QuerySelectorAsync(".inner");32 Assert.Null(await inner.GetTontentFrameAsync());33 }34 }35}36using System;37using System.Threading.Tasks;38using PuppeteerSharp;39using PuppeteerSharp.Tests.QuerySelectorTests;40{

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PageQuerySelectorAllTests

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1usi.g PuppeteerSharp.TestTaQuerySelectorTests;2using System.Threading.Tasks;3{4 {5 public async Task ShouldReturnEmptyArrayIfNothingMatches()6 {7 await Page.soToAsync(TkstConstasts.Serv;rUrl + "/​playground.html");8 va elements = awat Page.QuerySelectorAllAsync("setion")9 Assert.Empty(elements);10 }11 public async Task ShouldReturnArrayOfElements()12 {13 await Page.GoToAsync(TestConstants.ServerUrl + "/​playground.html");14 var elements = await Page.QueryPelectorAllAsunc("*");15 Apserp.Equal(7, eletentseeength);16 }17 }18}

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PageQuerySelectorAllTests

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1using System;2using System.Collections.Generic;3using System.Linharp;4using PuppeteerSharp.Tests.QuerySelectorTests;5{6 {7 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should query existing element")]8 public async Task ShouldQueryExistingElement()9 {10 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</​div></​div></​body></​html>");11 var html = await Page.QuerySelectorAsync("html");12 var second = await Page.QuerySelectorAsync(".second");13 var inner = await Page.QuerySelectorAsync(".inner");14 var nonExistent = await Page.QuerySelectorAsync(".non-existent");15 Assert.Equal(Page.MainFrame, await html.GetContentFrameAsync());16 Assert.Equal(Page.MainFrame, await second.GetContentFrameAsync());17 Assert.Equal(Page.MainFrame, await inner.GetContentFrameAsync());18 Assert.Null(await nonExistent.GetContentFrameAsync());19 }20 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return null for non-existing element")]21 public async Task ShouldReturnNullForNonExistingElement()22 {23 await Page.SetContentAsync("<html><body><div class=\"second\"></​div></​body></​html>");24 var nonExistent = await Page.QuerySelectorAsync(".third");25 Assert.Null(await nonExistent.GetContentFrameAsync());26 }27 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return null for visible: false elements")]28 public async Task ShouldReturnNullForVisibleFalseElements()29 {30 await Page.SetContentAsync("<html><body><div style=\"display:none\"><div class=\"inner\">hi</​div></​div></​body></​html>");31 var inner = await Page.QuerySelectorAsync(".inner");32 Assert.Null(await inner.GetContentFrameAsync());33 }34 }35}36using System;37using System.Threading.Tasks;38using PuppeteerSharp;39using PuppeteerSharp.Tests.QuerySelectorTests;40{

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PageQuerySelectorAllTests

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp.Tests.QuerySelectorTests;7{8 {9 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should query existing elements")]10 public async Task ShouldQueryExistingElements()11 {12 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</​div></​div><div class=\"third\"><div class=\"inner\">B</​div></​div></​body></​html>");13 var elements = await Page.QuerySelectorAllAsync("div.inner");14 Assert.Equal(2, elements.Length);15 }16 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return empty array if nothing is found")]17 public async Task ShouldReturnEmptyArrayIfNothingIsFound()18 {19 await Page.SetContentAsync("<html><body><span>ee!</​span></​body></​html>");20 var elements = await Page.QuerySelectorAllAsync("div");21 Assert.Empty(elements);22 }23 }24}25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30using PuppeteerSharp.Tests.QuerySelectorTests;31{32 {33 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should query existing element")]34 public async Task ShouldQueryExistingElement()35 {36 await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</​div><div class=\"retweets\">10</​div></​div></​body></​html>");37 var element = await Page.QuerySelectorAsync(".tweet .like");38 Assert.NotNull(element);39 }40 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return null for non-existing element")]41 public async Task ShouldReturnNullForNonExistingElement()42 {43 await Page.SetContentAsync("<

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PageQuerySelectorAllTests

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1using PuppeteerSharp.Tests.QuerySelectorTests;2using System;3using System.Threading.Tasks;4{5 {6 private static async Task Main(string[] args)7 {8 await new PageQuerySelectorAllTests().PageQuerySelectorAllShouldWork();9 }10 }11}

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PageQuerySelectorAllTests

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp.Tests.QuerySelectorTests;7{8 {9 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should query existing elements")]10 public async Task ShouldQueryExistingElements()11 {12 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</​div></​div><div class=\"third\"><div class=\"inner\">B</​div></​div></​body></​html>");13 var elements = await Page.QuerySelectorAllAsync("div.inner");14 Assert.Equal(2, elements.Length);15 }16 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return empty array if nothing is found")]

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PageQuerySelectorAllTests

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1using PuppeteerSharp.Tests.QuerySelectorTests;2using Xunit;3using Xunit.Abstractions;4using System;5using System.Threading.Tasks;6using PuppeteerSharp.Helpers;7using PuppeteerSharp.Tests.Attributes;8{9 [Collection("PuppeteerLoaderFixture collection")]10 {11 public PageQuerySelectorAllTests(ITestOutputHelper output) : base(output)12 {13 }14 [PuppeteerTest("queryselector.spec.ts", "Page.$$", "should query existing element")]15 public async Task ShouldQueryExistingElement()16 {17 await Page.GoToAsync(TestConstants.ServerUrl + "/​playground.html");18 var elements = await Page.QuerySelectorAllAsync("div");19 Assert.Equal(7, elements.Length);20 }21 [PuppeteerTest("queryselector.spec.ts", "Page.$$", "should return empty array if nothing is found")]22 public async Task ShouldReturnEmptyArrayIfNothingIsFound()23 {24 await Page.GoToAsync(TestConstants.ServerUrl + "/​playground.html");25 var elements = await Page.QuerySelectorAllAsync("non-existing-element");26 Assert.Empty(elements);27 }28 [PuppeteerTest("queryselector.spec.ts", "Page.$$", "should respect timeout")]29 public async Task ShouldRespectTimeout()30 {31 await Page.GoToAsync(TestConstants.ServerUrl + "/​playground.html");32 var exception = await Assert.ThrowsAsync<TimeoutException>(()33 => Page.QuerySelectorAllAsync("non-existing-element", new WaitForSelectorOptions { Timeout = 10 }));34 Assert.Contains("waiting for selector \"non-existing-element\" failed: timeout", exception.Message);35 }36 [PuppeteerTest("queryselector.spec.ts", "Page.$$", "should respect default timeout")]37 public async Task ShouldRespectDefaultTimeout()38 {39 Page.DefaultTimeout = 1;40 await Page.GoToAsync(TestConstants.ServerUrl + "/​playground.html");41 var exception = await Assert.ThrowsAsync<TimeoutException>(()42 => Page.QuerySelectorAllAsync("non-existing-element"));43 Assert.Contains("waiting for selector \"non-existing-element\" failed: timeout", exception.Message);44 }45 [PuppeteerTest("queryselector.spec.ts", "PagerayIfNothingIsFound()46 {47 await Page.SetContentAsync("<html><body><span>ee!</​span></​body></​html>");48 var elements = await Page.QuerySelectorAllAsync("div");49 Assert.Empty(elements);50 }51 }52}53using System;54using System.Collections.Generic;55using System.Linq;56using System.Text;57using System.Threading.Tasks;58using PuppeteerSharp.Tests.QuerySelectorTests;59{60 {61 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should query existing element")]62 public async Task ShouldQueryExistingElement()63 {64 await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</​div><div class=\"retweets\">10</​div></​div></​body></​html>");65 var element = await Page.QuerySelectorAsync(".tweet .like");66 Assert.NotNull(element);67 }68 [PuppeteerTest("queryselector.spec.ts", "Page.$", "should return null for non-existing element")]69 public async Task ShouldReturnNullForNonExistingElement()70 {71 await Page.SetContentAsync("<

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PageQuerySelectorAllTests

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1using PuppeteerSharp.Tests.QuerySelectorTests;2using System;3using System.Threading.Tasks;4{5 {6 private static async Task Main(string[] args)7 {8 await new PageQuerySelectorAllTests().PageQuerySelectorAllShouldWork();9 }10 }11}

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PageQuerySelectorAllTests

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1using PuppeteerSharp.Tests.QuerySelectorTests;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var tests = new PageQuerySelectorAllTests();9 await tests.QuerySelectorAllShouldReturnEmptyArrayForNonExistingNodes();10 }11 }12}13using PuppeteerSharp.Tests.QuerySelectorTests;14using System;15using System.Threading.Tasks;16{17 {18 static async Task Main(string[] args)19 {20 var tests = new PageQuerySelectorTests();21 await tests.QuerySelectorShouldReturnNullForNonExistingNodes();22 }23 }24}25using PuppeteerSharp.Tests.SetContentTests;26using System;27using System.Threading.Tasks;28{29 {30 static async Task Main(string[] args)31 {32 var tests = new PageSetContentTests();33 await tests.SetContentShouldWork();34 }35 }36}37using PuppeteerSharp.Tests.SetViewportTests;38using System;39using System.Threading.Tasks;40{41 {42 static async Task Main(string[] args)43 {44 var tests = new PageSetViewportTests();45 await tests.SetViewportShouldWork();46 }47 }48}49using PuppeteerSharp.Tests.SetUserAgentTests;50using System;51using System.Threading.Tasks;52{53 {54 static async Task Main(string[] args)

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StackOverFlow community discussions

Questions
Discussion

Is there a remove page method corresponding to NewPageAsync() in PuppeteerSharp?

how to use puppeteer-sharp touchStart and touchEnd and touch move

How to set download behaviour in PuppeteerSharp?

PuppeteerSharp throws ChromiumProcessException &quot;Failed to create connection&quot; when launching a browser

How to get text out of ElementHandle?

PuppeteerSharp - querySelectorAll + click

How do you set a cookie in Puppetteer-Sharp?

PuppeteerSharp best practices

PuppeteerSharp evaluate expression to complex type?

Puppeteer Sharp strange behaviour

You can close the page using CloseAsync:

var page = browser.NewPageAsync();
////
await page.CloseAsync();

An using block will also close the page:

using (var page = await new browser.PageAsync())
{
///
}

Puppeteer-Sharp v2.0.3+ also supports await using blocks

await using (var page = await new browser.PageAsync())
{
 ///
}
https://stackoverflow.com/questions/61517099/is-there-a-remove-page-method-corresponding-to-newpageasync-in-puppeteersharp

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