How to use PageEmulateVisionDeficiencyTests class of PuppeteerSharp.Tests.EmulationTests package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.EmulationTests.PageEmulateVisionDeficiencyTests

PageEmulateVisionDeficiencyTests.cs

Source:PageEmulateVisionDeficiencyTests.cs Github

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...5using Xunit.Abstractions;6namespace PuppeteerSharp.Tests.EmulationTests7{8 [Collection(TestConstants.TestFixtureCollectionName)]9 public class PageEmulateVisionDeficiencyTests : PuppeteerPageBaseTest10 {11 public PageEmulateVisionDeficiencyTests(ITestOutputHelper output) : base(output)12 {13 }14 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should work")]15 [SkipBrowserFact(skipFirefox: true)]16 public async Task ShouldWork()17 {18 await Page.SetViewportAsync(new ViewPortOptions { Width = 500, Height = 500 });19 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");20 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.None);21 var screenshot = await Page.ScreenshotDataAsync();22 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));23 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Achromatopsia);24 screenshot = await Page.ScreenshotDataAsync();25 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-achromatopsia.png", screenshot));...

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PageEmulateVisionDeficiencyTests

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp;7using PuppeteerSharp.Tests.EmulationTests;8{9 {10 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should work")]11 public async Task ShouldWork()12 {13 await Page.EmulateVisionDeficiencyAsync(VisionDeficiencyType.Achromatopsia);14 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");15 Assert.Equal("rgb(255, 255, 255)", await Page.EvaluateExpressionAsync<string>("window.getComputedStyle(document.querySelector(\"#red")).BackgroundColor));16 Assert.Equal("rgb(0, 0, 0)", await Page.EvaluateExpressionAsync<string>("window.getComputedStyle(document.querySelector(\"#green")).BackgroundColor));17 Assert.Equal("rgb(0, 0, 0)", await Page.EvaluateExpressionAsync<string>("window.getComputedStyle(document.querySelector(\"#blue")).BackgroundColor));18 await Page.EmulateVisionDeficiencyAsync(VisionDeficiencyType.Deuteranopia);19 Assert.Equal("rgb(255, 255, 255)", await Page.EvaluateExpressionAsync<string>("window.getComputedStyle(document.querySelector(\"#red")).BackgroundColor));20 Assert.Equal("rgb(0, 0, 0)", await Page.EvaluateExpressionAsync<string>("window.getComputedStyle(document.querySelector(\"#green")).BackgroundColor));21 Assert.Equal("rgb(0, 0, 0)", await Page.EvaluateExpressionAsync<string>("window.getComputedStyle(document.querySelector(\"#blue")).BackgroundColor));22 }23 }24}25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30using PuppeteerSharp;31using PuppeteerSharp.Tests.EmulationTests;32{33 {34 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should throw on bad color space")]

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PageEmulateVisionDeficiencyTests

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1using PuppeteerSharp.Tests.EmulationTests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Xunit;8using Xunit.Abstractions;9{10 [Collection("PuppeteerLoaderFixture collection")]11 {12 public PageEmulateVisionDeficiencyTests(ITestOutputHelper output) : base(output)13 {14 }15 public async Task ShouldWork()16 {17 await Page.EmulateVisionDeficiencyAsync(VisionDeficiencyType.Protanopia);18 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");19 var screenshot = await Page.ScreenshotDataAsync();20 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-grid.png", screenshot) < 0.1);21 }22 public async Task ShouldSupportChaining()23 {24 await Page.EmulateVisionDeficiencyAsync(VisionDeficiencyType.Protanopia);25 await Page.EmulateVisionDeficiencyAsync(VisionDeficiencyType.Deuteranopia);26 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");27 var screenshot = await Page.ScreenshotDataAsync();28 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-grid.png", screenshot) < 0.1);29 }30 public async Task ShouldThrowWhenBadArgument()31 {32 var exception = await Assert.ThrowsAsync<ArgumentException>(()33 => Page.EmulateVisionDeficiencyAsync((VisionDeficiencyType)100));34 Assert.Equal("visionDeficiency", exception.ParamName);35 }36 }37}38using PuppeteerSharp.Tests.EvaluationTests;39using System;40using System.Collections.Generic;41using System.Linq;42using System.Text;43using System.Threading.Tasks;44using Xunit;45using Xunit.Abstractions;46{47 [Collection("PuppeteerLoaderFixture collection")]48 {49 public PageEvaluateTests(ITestOutputHelper output) : base(output)50 {51 }52 public async Task ShouldWork()53 {54 var result = await Page.EvaluateExpressionAsync<int>("7 * 3

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PageEmulateVisionDeficiencyTests

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1using PuppeteerSharp.Tests.EmulationTests;2using System.Threading.Tasks;3{4 {5 static async Task Main(string[] args)6 {7 await PageEmulateVisionDeficiencyTests.ShouldWork();8 }9 }10}11 System.InvalidOperationException : Protocol error (Emulation.setEmulatedMedia): 'Emulation.setEmulatedMedia' wasn't found12 at PuppeteerSharp.Connection.ProcessMessageAsync(String message)

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PageEmulateVisionDeficiencyTests

Using AI Code Generation

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1{2 public static async Task Main(string[] args)3 {4 var browserFetcher = new BrowserFetcher();5 var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);6 var browser = await Puppeteer.LaunchAsync(new LaunchOptions7 {8 });9 var page = await browser.NewPageAsync();10 var emulationTests = new PuppeteerSharp.Tests.EmulationTests.PageEmulateVisionDeficiencyTests(page);11 await emulationTests.ShouldWork();12 await browser.CloseAsync();13 }14}15{16 public static async Task Main(string[] args)17 {18 var browserFetcher = new BrowserFetcher();19 var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);20 var browser = await Puppeteer.LaunchAsync(new LaunchOptions21 {22 });23 var page = await browser.NewPageAsync();24 var emulationTests = new PuppeteerSharp.Tests.EmulationTests.PageEmulateVisionDeficiencyTests(page);25 await emulationTests.ShouldWork();26 await browser.CloseAsync();27 }28}29{30 public static async Task Main(string[] args)31 {32 var browserFetcher = new BrowserFetcher();33 var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);34 var browser = await Puppeteer.LaunchAsync(new LaunchOptions35 {36 });37 var page = await browser.NewPageAsync();38 var emulationTests = new PuppeteerSharp.Tests.EmulationTests.PageEmulateVisionDeficiencyTests(page);39 await emulationTests.ShouldWork();40 await browser.CloseAsync();41 }42}43{44 public static async Task Main(string[] args)45 {46 var browserFetcher = new BrowserFetcher();

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PageEmulateVisionDeficiencyTests

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp.Tests.EmulationTests;7using PuppeteerSharp.Tests.InputTests;8using PuppeteerSharp.Tests.PageTests;9{10 {11 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should work")]12 public async Task ShouldWork()13 {14 await Page.EmulateVisionDeficiency(VisionDeficiency.Achromatopsia);15 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");16 var grid = await Page.EvaluateFunctionAsync<string>("() => window.getComputedStyle(document.querySelector('#grid')).backgroundImage");17 Assert.Equal("url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9gGDQsYDZi8aWwAAAAGdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAB1klEQVQoz3XQsQ3CUBCG4W8iG4g4C4i4C4i4C4i4C4i4C4i4C4i

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PageEmulateVisionDeficiencyTests

Using AI Code Generation

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1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should work")]8 public async Task ShouldWork()9 {10 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");11 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Achromatopsia);12 var screenshot = await Page.ScreenshotDataAsync();13 Assert.True(ScreenshotHelper.PixelMatch("grid.achromatopsia.png", screenshot) < 0.1);14 }15 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should be detectable by page.accessibility.snapshot")]16 public async Task ShouldBeDetectableByPageAccessibilitySnapshot()17 {18 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");19 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Achromatopsia);20 var snapshot = await Page.Accessibility.SnapshotAsync();21 Assert.Contains("achromatopsia", snapshot.Children[0].Name);22 }23 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should force a style recalc")]24 public async Task ShouldForceAStyleRecalc()25 {26 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");27 await Page.EvaluateExpressionAsync("document.body.style.background = 'red'");28 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Achromatopsia);29 var screenshot = await Page.ScreenshotDataAsync();30 Assert.True(ScreenshotHelper.PixelMatch("grid.achromatopsia.png", screenshot) < 0.1);31 }32 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should work with transparency")]33 public async Task ShouldWorkWithTransparency()34 {35 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html

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PageEmulateVisionDeficiencyTests

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Threading.Tasks;6{7 {8 [PuppeteerTest("emulation.spec.ts", "Page.EmulateVisionDeficiency", "should work")]9 public async Task ShouldWork()10 {11 await Page.EmulateVisionDeficiencyAsync(VisionDeficiencyType.Deuteranopia);12 await Page.SetContentAsync(@"13 div {14 background-color: blue;15 width: 200px;16 height: 200px;17 }18 ");19 var screenshot = await Page.ScreenshotDataAsync();20 Assert.True(TestUtils.CheckImage("emulation.visionDeficiency.deuteranopia.png", screenshot));21 }22 [PuppeteerTest("emulation.spec.ts", "Page.EmulateVisionDeficiency", "should throw on unknown type")]23 public async Task ShouldThrowOnUnknownType()24 {25 var exception = await Assert.ThrowsAsync<ArgumentException>(()26 => Page.EmulateVisionDeficiencyAsync((VisionDeficiencyType) 3));27 Assert.Contains("Unknown vision deficiency type", exception.Message);28 }29 [PuppeteerTest("emulation.spec.ts", "Page.EmulateVisionDeficiency", "should throw on unknown type")]30 public async Task ShouldThrowOnUnknownTypeWithEnumName()31 {32 var exception = await Assert.ThrowsAsync<ArgumentException>(()33 => Page.EmulateVisionDeficiencyAsync((VisionDeficiencyType) 3));34 Assert.Contains("Unknown vision deficiency type", exception.Message);35 }36 [PuppeteerTest("emulation.spec.ts", "Page.EmulateVisionDeficiency", "should throw on bad contrast")]37 public async Task ShouldThrowOnBadContrast()38 {39 var exception = await Assert.ThrowsAsync<ArgumentOutOfRangeException>(()

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PageEmulateVisionDeficiencyTests

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.EmulationTests;4using PuppeteerSharp;5{6 {7 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should work")]8 public async Task ShouldWork()9 {10 await Page.EmulateVisionDeficiencyAsync(VisionDeficiencyType.Protanopia);11 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");12 var element = await Page.QuerySelectorAsync(".box:nth-of-type(13)");13 var result = await Page.EvaluateExpressionAsync<string>("window.getComputedStyle(arguments[0]).backgroundColor", element);14 Assert.Equal("rgb(255, 128, 0)", result);15 }16 }17}18using System;19using System.Threading.Tasks;20using PuppeteerSharp.Tests.EmulationTests;21using PuppeteerSharp;22{23 {24 [PuppeteerTest("emulation.spec.ts", "Page.emulateViewport", "should work")]25 public async Task ShouldWork()26 {27 await Page.EmulateViewportAsync(320, 480);28 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");29 Assert.Equal(320, await Page.EvaluateExpressionAsync<int>("window.innerWidth"));30 Assert.Equal(480, await Page.EvaluateExpressionAsync<int>("window.innerHeight"));31 Assert.Equal(320, await Page.EvaluateExpressionAsync<int>("document.body.clientWidth"));32 Assert.Equal(480, await Page.EvaluateExpressionAsync<int>("document.body.clientHeight"));33 Assert.Equal(320, await Page.EvaluateExpressionAsync<int>("document.body.offsetWidth"));34 Assert.Equal(480, await Page.EvaluateExpressionAsync<int>("document.body.offsetHeight"));35 Assert.Equal(320, await Page.EvaluateExpressionAsync<int>("document.documentElement.clientWidth"));36 Assert.Equal(480, await Page.EvaluateExpressionAsync<int>("document.documentElement.clientHeight"));37 Assert.Equal(320

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