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

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

EmulateTests.cs

Source:EmulateTests.cs

...5using Xunit.Abstractions;6namespace PuppeteerSharp.Tests.EmulationTests7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    public class EmulateTests : PuppeteerPageBaseTest10    {11        public EmulateTests(ITestOutputHelper output) : base(output)12        {13        }14        [PuppeteerTest("emulation.spec.ts", "Page.emulate", "should work")]15        [PuppeteerFact]16        public async Task ShouldWork()17        {18            await Page.GoToAsync(TestConstants.ServerUrl + "/mobile.html");19            await Page.EmulateAsync(TestConstants.IPhone);20            Assert.Equal(375, await Page.EvaluateExpressionAsync<int>("window.innerWidth"));21            Assert.Contains("iPhone", await Page.EvaluateExpressionAsync<string>("navigator.userAgent"));22        }23        [PuppeteerTest("emulation.spec.ts", "Page.emulate", "should support clicking")]24        [PuppeteerFact]25        public async Task ShouldSupportClicking()...

EmulateTests

Using AI Code Generation

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

EmulateTests

Using AI Code Generation

1using PuppeteerSharp.Tests.EmulationTests;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            var emulateTests = new EmulateTests();10            await emulateTests.EmulateViewport();11        }12    }13}

EmulateTests

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6    {7        static async Task Main(string[] args)8        {9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"12            });13            var page = await browser.NewPageAsync();

EmulateTests

Using AI Code Generation

1using PuppeteerSharp.Tests.EmulationTests;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            var emulateTests = new EmulateTests();8            await emulateTests.SetUserAgentAsync();9            await emulateTests.SetUserAgentAsyncWithDeviceMetricsOverride();10            await emulateTests.SetUserAgentAsyncWithNetworkThrottling();11            await emulateTests.SetUserAgentAsyncWithCPUThrottling();12            await emulateTests.SetUserAgentAsyncWithTouch();13            await emulateTests.SetUserAgentAsyncWithEmulateMedia();14            await emulateTests.SetUserAgentAsyncWithEmulateMediaAndDeviceMetricsOverride();15        }16    }17}

EmulateTests

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions2{3});4var page = await browser.NewPageAsync();5await page.SetViewportAsync(new ViewPortOptions6{7});8await page.ScreenshotAsync("320x480.png");9await page.SetViewportAsync(new ViewPortOptions10{11});12await page.ScreenshotAsync("1280x720.png");13await page.SetViewportAsync(new ViewPortOptions14{15});16await page.ScreenshotAsync("1920x1080.png");17await browser.CloseAsync();18var browser = await Puppeteer.LaunchAsync(new LaunchOptions19{20});21var page = await browser.NewPageAsync();22await page.SetViewportAsync(new ViewPortOptions23{24});25await page.ScreenshotAsync("320x480.png");26await page.SetViewportAsync(new ViewPortOptions27{28});29await page.ScreenshotAsync("1280x720.png");30await page.SetViewportAsync(new ViewPortOptions31{32});33await page.ScreenshotAsync("1920x1080.png");34await browser.CloseAsync();35var browser = await Puppeteer.LaunchAsync(new

EmulateTests

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests;5using PuppeteerSharp.Tests.EmulationTests;6using PuppeteerSharp.Xunit;7using Xunit;8using Xunit.Abstractions;9{10    [Collection(TestConstants.TestFixtureCollectionName)]11    {12        public EmulateTests(ITestOutputHelper output) : base(output)13        {14        }15        [PuppeteerTest("emulation.spec.ts", "Emulation", "should work")]16        [Fact(Timeout = TestConstants.DefaultTestTimeout)]17        public async Task ShouldWork()18        {19            await Page.EmulateAsync(new EmulateOptions20            {21                {22                },23            });24            Assert.Equal(500, Page.Viewport.Width);25            Assert.Equal(500, Page.Viewport.Height);26            Assert.Equal("foobar", await Page.EvaluateExpressionAsync<string>("window.navigator.userAgent"));27        }28        [PuppeteerTest("emulation.spec.ts", "Emulation", "should support mobile emulation")]29        [Fact(Timeout = TestConstants.DefaultTestTimeout)]30        public async Task ShouldSupportMobileEmulation()31        {32            await Page.EmulateAsync(new EmulateOptions33            {34            });35            Assert.Equal(TestConstants.IPhone.ViewPort.Width, Page.Viewport.Width);36            Assert.Equal(TestConstants.IPhone.ViewPort.Height, Page.Viewport.Height);37            Assert.Equal(TestConstants.IPhone.UserAgent, await Page.EvaluateExpressionAsync<string>("window.navigator.userAgent"));38        }39        [PuppeteerTest("emulation.spec.ts", "Emulation", "should support touch emulation")]40        [Fact(Timeout = TestConstants.DefaultTestTimeout)]41        public async Task ShouldSupportTouchEmulation()42        {43            await Page.EmulateAsync(new EmulateOptions44            {45            });46            Assert.True(await Page.EvaluateExpressionAsync<bool>("'ontouchstart' in window"));47        }

EmulateTests

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        public async Task EmulateTestsAsync()11        {12            {13            };14            using (var browser = await Puppeteer.LaunchAsync(options))15            using (var page = await browser.NewPageAsync())16            {17                await page.EmulateAsync(new ViewPortOptions18                {19                });20                await page.ScreenshotAsync("viewport.png");21            }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        public async Task EmulateMediaTestsAsync()35        {36            {37            };38            using (var browser = await Puppeteer.LaunchAsync(options))39            using (var page = await browser.NewPageAsync())40            {41                await page.EmulateMediaAsync(new EmulateMediaOptions42                {43                });44                await page.ScreenshotAsync("print.png");45            }46        }47    }48}49using System;50using System.Collections.Generic;51using System.Linq;52using System.Text;53using System.Threading.Tasks;

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.