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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

...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));...

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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")]

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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)

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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();

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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>(()

PageEmulateVisionDeficiencyTests

Using AI Code Generation

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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