How to use VerifyViewportAsync method of Microsoft.Playwright.Tests.TestUtils class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.TestUtils.VerifyViewportAsync

ElementHandleScreenshotTests.cs

Source:ElementHandleScreenshotTests.cs

...109                <div class=""to-screenshot""></div>");110            var elementHandle = await Page.QuerySelectorAsync("div.to-screenshot");111            byte[] screenshot = await elementHandle.ScreenshotAsync();112            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-larger-than-viewport.png", screenshot));113            await TestUtils.VerifyViewportAsync(Page, 500, 500);114        }115        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should scroll element into view")]116        public async Task ShouldScrollElementIntoView()117        {118            await Page.SetViewportSizeAsync(500, 500);119            await Page.SetContentAsync(@"120                <div style=""height: 14px"">oooo</div>121                <style>div.above {122                  border: 2px solid blue;123                  background: red;124                  height: 1500px;125                }126                div.to-screenshot {127                  border: 2px solid blue;128                  background: green;129                  width: 50px;130                  height: 50px;131                }132                </style>133                <div class=""above""></div>134                <div class=""to-screenshot""></div>");135            var elementHandle = await Page.QuerySelectorAsync("div.to-screenshot");136            byte[] screenshot = await elementHandle.ScreenshotAsync();137            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-scrolled-into-view.png", screenshot));138        }139        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should scroll 15000px into view")]140        public async Task ShouldScroll15000pxIntoView()141        {142            await Page.SetViewportSizeAsync(500, 500);143            await Page.SetContentAsync(@"144                <div style=""height: 14px"">oooo</div>145                <style>div.above {146                  border: 2px solid blue;147                  background: red;148                  height: 15000px;149                }150                div.to-screenshot {151                  border: 2px solid blue;152                  background: green;153                  width: 50px;154                  height: 50px;155                }156                </style>157                <div class=""above""></div>158                <div class=""to-screenshot""></div>");159            var elementHandle = await Page.QuerySelectorAsync("div.to-screenshot");160            byte[] screenshot = await elementHandle.ScreenshotAsync();161            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-scrolled-into-view.png", screenshot));162        }163        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should work with a rotated element")]164        public async Task ShouldWorkWithARotatedElement()165        {166            await Page.SetViewportSizeAsync(500, 500);167            await Page.SetContentAsync(@"168                <div style='position: absolute;169                top: 100px;170                left: 100px;171                width: 100px;172                height: 100px;173                background: green;174                transform: rotateZ(200deg); '>&nbsp;</div>175            ");176            var elementHandle = await Page.QuerySelectorAsync("div");177            byte[] screenshot = await elementHandle.ScreenshotAsync();178            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-rotate.png", screenshot));179        }180        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should fail to screenshot a detached element")]181        public async Task ShouldFailToScreenshotADetachedElement()182        {183            await Page.SetContentAsync("<h1>remove this</h1>");184            var elementHandle = await Page.QuerySelectorAsync("h1");185            await Page.EvaluateAsync("element => element.remove()", elementHandle);186            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => elementHandle.ScreenshotAsync());187            StringAssert.Contains("Element is not attached to the DOM", exception.Message);188        }189        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should timeout waiting for visible")]190        public async Task ShouldTimeoutWaitingForVisible()191        {192            await Page.SetContentAsync(@"<div style='width: 50px; height: 0'></div>");193            var elementHandle = await Page.QuerySelectorAsync("div");194            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(() => elementHandle.ScreenshotAsync(new() { Timeout = 3000 }));195            StringAssert.Contains("Timeout 3000ms exceeded", exception.Message);196            StringAssert.Contains("element is not visible", exception.Message);197        }198        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should wait for visible")]199        public async Task ShouldWaitForVisible()200        {201            await Page.SetViewportSizeAsync(500, 500);202            await Page.GotoAsync(Server.Prefix + "/grid.html");203            await Page.EvaluateAsync("() => window.scrollBy(50, 100)");204            var elementHandle = await Page.QuerySelectorAsync(".box:nth-of-type(3)");205            await elementHandle.EvaluateAsync("e => e.style.visibility = 'hidden'");206            var task = elementHandle.ScreenshotAsync();207            for (int i = 0; i < 10; i++)208            {209                await Page.EvaluateAsync("() => new Promise(f => requestAnimationFrame(f))");210            }211            Assert.False(task.IsCompleted);212            await elementHandle.EvaluateAsync("e => e.style.visibility = 'visible'");213            byte[] screenshot = await task;214            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-bounding-box.png", screenshot));215        }216        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should work for an element with fractional dimensions")]217        public async Task ShouldWorkForAnElementWithFractionalDimensions()218        {219            await Page.SetContentAsync("<div style=\"width:48.51px;height:19.8px;border:1px solid black;\"></div>");220            var elementHandle = await Page.QuerySelectorAsync("div");221            byte[] screenshot = await elementHandle.ScreenshotAsync();222            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-fractional.png", screenshot));223        }224        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should work with a mobile viewport")]225        [Skip(SkipAttribute.Targets.Firefox)]226        public async Task ShouldWorkWithAMobileViewport()227        {228            await using var context = await Browser.NewContextAsync(new()229            {230                ViewportSize = new()231                {232                    Width = 320,233                    Height = 480,234                },235                IsMobile = true,236            });237            var page = await context.NewPageAsync();238            await page.GotoAsync(Server.Prefix + "/grid.html");239            await page.EvaluateAsync("() => window.scrollBy(50, 100)");240            var elementHandle = await page.QuerySelectorAsync(".box:nth-of-type(3)");241            byte[] screenshot = await elementHandle.ScreenshotAsync();242            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-mobile.png", screenshot));243        }244        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should work with device scale factor")]245        [Skip(SkipAttribute.Targets.Firefox)]246        public async Task ShouldWorkWithDeviceScaleFactor()247        {248            await using var context = await Browser.NewContextAsync(new()249            {250                ViewportSize = new()251                {252                    Width = 320,253                    Height = 480,254                },255                DeviceScaleFactor = 2,256            });257            var page = await context.NewPageAsync();258            await page.GotoAsync(Server.Prefix + "/grid.html");259            await page.EvaluateAsync("() => window.scrollBy(50, 100)");260            var elementHandle = await page.QuerySelectorAsync(".box:nth-of-type(3)");261            byte[] screenshot = await elementHandle.ScreenshotAsync();262            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-mobile-dsf.png", screenshot));263        }264        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should work for an element with an offset")]265        public async Task ShouldWorkForAnElementWithAnOffset()266        {267            await Page.SetContentAsync("<div style=\"position:absolute; top: 10.3px; left: 20.4px;width:50.3px;height:20.2px;border:1px solid black;\"></div>");268            var elementHandle = await Page.QuerySelectorAsync("div");269            byte[] screenshot = await elementHandle.ScreenshotAsync();270            Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-fractional-offset.png", screenshot));271        }272        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should take screenshots when default viewport is null")]273        public async Task ShouldTakeScreenshotsWhenDefaultViewportIsNull()274        {275            await using var context = await Browser.NewContextAsync(new()276            {277                ViewportSize = ViewportSize.NoViewport278            });279            var page = await context.NewPageAsync();280            await page.SetContentAsync("<div style='height: 10000px; background: red'></div>");281            var windowSize = await page.EvaluateAsync<ViewportSize>("() => ({ width: window.innerWidth * window.devicePixelRatio, height: window.innerHeight * window.devicePixelRatio })");282            var sizeBefore = await page.EvaluateAsync<ViewportSize>("() => ({ width: document.body.offsetWidth, height: document.body.offsetHeight })");283            byte[] screenshot = await page.ScreenshotAsync();284            Assert.NotNull(screenshot);285            var decoded = Image.Load(screenshot);286            Assert.AreEqual(windowSize.Width, decoded.Width);287            Assert.AreEqual(windowSize.Height, decoded.Height);288            var sizeAfter = await page.EvaluateAsync<ViewportSize>("() => ({ width: document.body.offsetWidth, height: document.body.offsetHeight })");289            Assert.AreEqual(sizeBefore.Width, sizeAfter.Width);290            Assert.AreEqual(sizeBefore.Height, sizeAfter.Height);291        }292        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should take fullPage screenshots when default viewport is null")]293        public async Task ShouldTakeFullPageScreenshotsWhenDefaultViewportIsNull()294        {295            await using var context = await Browser.NewContextAsync(new()296            {297                ViewportSize = ViewportSize.NoViewport298            });299            var page = await context.NewPageAsync();300            await page.GotoAsync(Server.Prefix + "/grid.html");301            var sizeBefore = await page.EvaluateAsync<ViewportSize>("() => ({ width: document.body.offsetWidth, height: document.body.offsetHeight })");302            byte[] screenshot = await page.ScreenshotAsync(new() { FullPage = true });303            Assert.NotNull(screenshot);304            var sizeAfter = await page.EvaluateAsync<ViewportSize>("() => ({ width: document.body.offsetWidth, height: document.body.offsetHeight })");305            Assert.AreEqual(sizeBefore.Width, sizeAfter.Width);306            Assert.AreEqual(sizeBefore.Height, sizeAfter.Height);307        }308        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should restore default viewport after fullPage screenshot")]309        public async Task ShouldRestoreDefaultViewportAfterFullPageScreenshot()310        {311            await using var context = await Browser.NewContextAsync(new()312            {313                ViewportSize = new() { Width = 456, Height = 789 },314            });315            var page = await context.NewPageAsync();316            await TestUtils.VerifyViewportAsync(page, 456, 789);317            byte[] screenshot = await page.ScreenshotAsync(new() { FullPage = true });318            Assert.NotNull(screenshot);319            await TestUtils.VerifyViewportAsync(page, 456, 789);320        }321        [PlaywrightTest("elementhandle-screenshot.spec.ts", "should take element screenshot when default viewport is null and restore back")]322        public async Task ShouldTakeElementScreenshotWhenDefaultViewportIsNullAndRestoreBack()323        {324            await using var context = await Browser.NewContextAsync(new()325            {326                ViewportSize = ViewportSize.NoViewport,327            });328            var page = await context.NewPageAsync();329            await page.SetContentAsync(@"330                <div style=""height: 14px"">oooo</div>331                <style>332                div.to-screenshot {333                border: 1px solid blue;...

BrowserContextBasicTests.cs

Source:BrowserContextBasicTests.cs

...109                    Height = 789110                }111            });112            var page = await context.NewPageAsync();113            await TestUtils.VerifyViewportAsync(page, 456, 789);114        }115        [PlaywrightTest("browsercontext-basic.spec.ts", "should make a copy of default viewport")]116        public async Task ShouldMakeACopyOfDefaultViewport()117        {118            var viewport = new ViewportSize119            {120                Width = 456,121                Height = 789122            };123            await using var context = await Browser.NewContextAsync(new() { ViewportSize = viewport });124            viewport.Width = 567;125            var page = await context.NewPageAsync();126            await TestUtils.VerifyViewportAsync(page, 456, 789);127        }128        [PlaywrightTest("browsercontext-basic.spec.ts", "should respect deviceScaleFactor")]129        public async Task ShouldRespectDeviceScaleFactor()130        {131            await using var context = await Browser.NewContextAsync(new()132            {133                DeviceScaleFactor = 3134            });135            var page = await context.NewPageAsync();136            Assert.AreEqual(3, await page.EvaluateAsync<int>("window.devicePixelRatio"));137        }138        [PlaywrightTest("browsercontext-basic.spec.ts", "should not allow deviceScaleFactor with null viewport")]139        public async Task ShouldNotAllowDeviceScaleFactorWithViewportDisabled()140        {...

DefaultBrowserContext1Tests.cs

Source:DefaultBrowserContext1Tests.cs

...156                    Width = 456,157                    Height = 789158                }159            });160            await TestUtils.VerifyViewportAsync(page, 456, 789);161            page = await context.NewPageAsync();162            await TestUtils.VerifyViewportAsync(page, 456, 789);163            await context.DisposeAsync();164            tmp.Dispose();165        }166        [PlaywrightTest("defaultbrowsercontext-1.spec.ts", "should support deviceScaleFactor option")]167        public async Task ShouldSupportDeviceScaleFactorOption()168        {169            var (tmp, context, page) = await LaunchPersistentAsync(new()170            {171                DeviceScaleFactor = 3172            });173            Assert.AreEqual(3, await page.EvaluateAsync<int>("window.devicePixelRatio"));174            await context.DisposeAsync();175            tmp.Dispose();176        }...

BrowserContextViewportTests.cs

Source:BrowserContextViewportTests.cs

...29    public class BrowserContextViewportTests : PageTestEx30    {31        [PlaywrightTest("browsercontext-viewport.spec.ts", "should get the proper default viewport size")]32        public Task ShouldGetTheProperDefaultViewPortSize()33            => TestUtils.VerifyViewportAsync(Page, 1280, 720);34        [PlaywrightTest("browsercontext-viewport.spec.ts", "should set the proper viewport size")]35        public async Task ShouldSetTheProperViewportSize()36        {37            await TestUtils.VerifyViewportAsync(Page, 1280, 720);38            await Page.SetViewportSizeAsync(123, 456);39            await TestUtils.VerifyViewportAsync(Page, 123, 456);40        }41        [PlaywrightTest("browsercontext-viewport.spec.ts", "should emulate device width")]42        public async Task ShouldEmulateDeviceWidth()43        {44            await TestUtils.VerifyViewportAsync(Page, 1280, 720);45            await Page.SetViewportSizeAsync(200, 200);46            Assert.AreEqual(200, await Page.EvaluateAsync<int>("window.innerWidth"));47            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-width: 100px)').matches"));48            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-width: 300px)').matches"));49            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-width: 100px)').matches"));50            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-width: 300px)').matches"));51            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-width: 500px)').matches"));52            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-width: 200px)').matches"));53            await Page.SetViewportSizeAsync(500, 500);54            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-width: 400px)').matches"));55            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-width: 600px)').matches"));56            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-width: 400px)').matches"));57            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-width: 600px)').matches"));58            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-width: 200px)').matches"));59            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-width: 500px)').matches"));60        }61        [PlaywrightTest("browsercontext-viewport.spec.ts", "should emulate device height")]62        public async Task ShouldEmulateDeviceHeight()63        {64            await TestUtils.VerifyViewportAsync(Page, 1280, 720);65            await Page.SetViewportSizeAsync(200, 200);66            Assert.AreEqual(200, await Page.EvaluateAsync<int>("window.innerWidth"));67            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-height: 100px)').matches"));68            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-height: 300px)').matches"));69            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-height: 100px)').matches"));70            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-height: 300px)').matches"));71            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-height: 500px)').matches"));72            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-height: 200px)').matches"));73            await Page.SetViewportSizeAsync(500, 500);74            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-height: 400px)').matches"));75            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(min-device-height: 600px)').matches"));76            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-height: 400px)').matches"));77            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(max-device-height: 600px)').matches"));78            Assert.False(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-height: 200px)').matches"));79            Assert.True(await Page.EvaluateAsync<bool?>("() => matchMedia('(device-height: 500px)').matches"));80        }81        [PlaywrightTest("browsercontext-viewport.spec.ts", "should not have touch by default")]82        public async Task ShouldNotHaveTouchByDefault()83        {84            await Page.GotoAsync(Server.Prefix + "/mobile.html");85            Assert.False(await Page.EvaluateAsync<bool>("'ontouchstart' in window"));86            await Page.GotoAsync(Server.Prefix + "/detect-touch.html");87            Assert.AreEqual("NO", await Page.EvaluateAsync<string>("document.body.textContent.trim()"));88        }89        [PlaywrightTest("browsercontext-viewport.spec.ts", "should support touch with null viewport")]90        public async Task ShouldSupportTouchWithNullViewport()91        {92            await using var context = await Browser.NewContextAsync(new() { ViewportSize = null, HasTouch = true });93            var page = await context.NewPageAsync();94            await page.GotoAsync(Server.Prefix + "/mobile.html");95            Assert.True(await page.EvaluateAsync<bool>("'ontouchstart' in window"));96        }97        [PlaywrightTest("browsercontext-viewport.spec.ts", "should respect screensize")]98        [Skip(SkipAttribute.Targets.Firefox)]99        public async Task ShouldSupportScreenSize()100        {101            await using var context = await Browser.NewContextAsync(new()102            {103                ScreenSize = new ScreenSize()104                {105                    Width = 750,106                    Height = 1334,107                },108                ViewportSize = new ViewportSize()109                {110                    Width = 375,111                    Height = 667112                }113            });114            var page = await context.NewPageAsync();115            Assert.True(await page.EvaluateAsync<bool?>("() => matchMedia('(device-height: 1334px)').matches"));116            Assert.True(await page.EvaluateAsync<bool?>("() => matchMedia('(device-width: 750px)').matches"));117            await TestUtils.VerifyViewportAsync(page, 375, 667);118        }119        [PlaywrightTest("browsercontext-viewport.spec.ts", "should ignore screensize when viewport is null")]120        [Skip(SkipAttribute.Targets.Firefox)]121        public async Task ShouldIgnoreScreensizeWhenViewportIsNull()122        {123            await using var context = await Browser.NewContextAsync(new()124            {125                ScreenSize = new ScreenSize()126                {127                    Width = 750,128                    Height = 1334,129                },130                ViewportSize = ViewportSize.NoViewport131            });...

TestUtils.cs

Source:TestUtils.cs

...124            {125            }126        }127        internal static string GetAsset(string path) => Path.Combine(FindParentDirectory("Playwright.Tests.TestServer"), "assets", path);128        internal static async Task VerifyViewportAsync(IPage page, int width, int height)129        {130            Assert.AreEqual(width, (int)page.ViewportSize.Width);131            Assert.AreEqual(height, (int)page.ViewportSize.Height);132            Assert.AreEqual(width, await page.EvaluateAsync<int>("window.innerWidth"));133            Assert.AreEqual(height, await page.EvaluateAsync<int>("window.innerHeight"));134        }135        internal static async Task RegisterEngineAsync(IPlaywright playwright, string name, string script, bool? contentScript = null)136        {137            try138            {139                await playwright.Selectors.RegisterAsync(name, new() { Script = script, ContentScript = contentScript });140            }141            catch (PlaywrightException ex) when (ex.Message.Contains("has been already registered"))142            {...

VerifyViewportAsync

Using AI Code Generation

1await TestUtils.VerifyViewportAsync(page, 1280, 720);2await TestUtils.VerifyViewportAsync(page, 1280, 720);3await TestUtils.VerifyViewportAsync(page, 1280, 720);4await TestUtils.VerifyViewportAsync(page, 1280, 720);5await TestUtils.VerifyViewportAsync(page, 1280, 720);6await TestUtils.VerifyViewportAsync(page, 1280, 720);7await TestUtils.VerifyViewportAsync(page, 1280, 720);8await TestUtils.VerifyViewportAsync(page, 1280, 720);9await TestUtils.VerifyViewportAsync(page, 1280, 720);10await TestUtils.VerifyViewportAsync(page, 1280, 720);11await TestUtils.VerifyViewportAsync(page, 1280, 720);12await TestUtils.VerifyViewportAsync(page, 1280, 720);13await TestUtils.VerifyViewportAsync(page, 1280, 720);

VerifyViewportAsync

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7    {8        public VerifyViewportAsyncTests(ITestOutputHelper output) : base(output)9        {10        }11        [PlaywrightTest("2.cs", "should work")]12        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]13        public async Task ShouldWork()14        {15            await Page.SetViewportSizeAsync(500, 500);16            await TestUtils.VerifyViewportAsync(Page, 500, 500);17            await Page.SetViewportSizeAsync(700, 500);18            await TestUtils.VerifyViewportAsync(Page, 700, 500);19        }20    }21}

VerifyViewportAsync

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4using Xunit;5{6    {7        public async Task VerifyViewportAsyncTest()8        {9            var browser = await BrowserType.LaunchAsync();10            var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            await TestUtils.VerifyViewportAsync(page, 1280, 720);13            await browser.CloseAsync();14        }15    }16}17using Microsoft.Playwright.Tests;18using System;19using System.Threading.Tasks;20using Xunit;21{22    {23        public async Task VerifyViewportAsyncTest()24        {25            var browser = await BrowserType.LaunchAsync();26            var context = await browser.NewContextAsync();27            var page = await context.NewPageAsync();28            await TestUtils.VerifyViewportAsync(page, 1280, 720);29            await browser.CloseAsync();30        }31    }32}33using Microsoft.Playwright.Tests;34using System;35using System.Threading.Tasks;36using Xunit;37{38    {39        public async Task VerifyViewportAsyncTest()40        {41            var browser = await BrowserType.LaunchAsync();42            var context = await browser.NewContextAsync();43            var page = await context.NewPageAsync();44            await TestUtils.VerifyViewportAsync(page, 1280, 720);45            await browser.CloseAsync();46        }47    }48}49using Microsoft.Playwright.Tests;50using System;51using System.Threading.Tasks;52using Xunit;53{54    {55        public async Task VerifyViewportAsyncTest()56        {57            var browser = await BrowserType.LaunchAsync();

VerifyViewportAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5using NUnit.Framework;6using PlaywrightSharp.Tests.BaseTests;7{8    {9        public async Task Test1()10        {11            var page = await Browser.NewPageAsync();12            await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");13            var elementHandle = await page.QuerySelectorAsync("#box6");14            await elementHandle.ScrollIntoViewIfNeededAsync();15            await TestUtils.VerifyViewportAsync(page, 500, 500);16        }17    }18}19  at Microsoft.Playwright.Tests.TestUtils.VerifyViewportAsync(IPage page, Int32 width, Int32 height) in C:\Users\user\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\Utils\TestUtils.cs:line 3520   at PlaywrightSharp.Tests.PlaywrightTests.Test1() in C:\Users\user\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\PlaywrightTests.cs:line 1821var viewportSize = await page.EvaluateAsync<string>("() => { return { width: window.innerWidth, height: window.innerHeight } }");22Assert.AreEqual(500, viewportSize.width);23Assert.AreEqual(500, viewportSize.height);24  at PlaywrightSharp.Tests.PlaywrightTests.Test1() in C:\Users\user\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\PlaywrightTests.cs:line 1925var viewportSize = await page.EvaluateAsync<string>("() => { return { width: window.innerWidth, height: window.innerHeight } }");26Assert.AreEqual(500, viewportSize.width);27Assert.AreEqual(500, viewportSize.height);

VerifyViewportAsync

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7using Xunit;8using Xunit.Abstractions;9{10{11public PageEmulateTests(ITestOutputHelper output) : base(output)12{13}14[PlaywrightTest("page-emulate.spec.ts", "Page.emulate", "should work")]15[Fact(Timeout = PlaywrightTestConstants.DefaultTestTimeout)]16public async Task ShouldWork()17{18await Page.EmulateViewportAsync(500, 500);19await Page.GotoAsync(Server.Prefix + "/grid.html");20await TestUtils.VerifyViewportAsync(Page, 500, 500);21}22}23}24public static async Task VerifyViewportAsync(IPage page, int width, int height)25{26var size = await page.EvaluateAsync<ViewportSize>(@"() => {27return {28};29}");30Assert.Equal(width, size.Width);31Assert.Equal(height, size.Height);32}33public Task EmulateMediaAsync(string mediaType = null);34using Microsoft.Playwright;35using Microsoft.Playwright.Tests;36using System;37using System.Collections.Generic;38using System.Text;39using System.Threading.Tasks;40using Xunit;41using Xunit.Abstractions;42{43{44public PageEmulateTests(ITestOutputHelper output) : base(output)45{46}47[PlaywrightTest("page-emulate.spec.ts", "Page.emulate", "should work

VerifyViewportAsync

Using AI Code Generation

1public async Task VerifyViewportAsync(string pageName, string url, string selector, string screenshotName, string[] selectorsToHide)2{3    using var playwright = await Playwright.CreateAsync();4    await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions5    {6    });7    var context = await browser.NewContextAsync(new BrowserNewContextOptions8    {9        ViewportSize = new ViewportSize() { Width = 1920, Height = 1080 }10    });11    var page = await context.NewPageAsync();12    await page.GotoAsync(url);13    await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);14    foreach (var selectorToHide in selectorsToHide)15    {16        await page.QuerySelectorAsync(selectorToHide).EvaluateAsync("element => element.style.display = 'none'");17    }18    var screenshot = await page.ScreenshotAsync(new PageScreenshotOptions19    {20    });21    await TestUtils.VerifyViewportAsync(page, selector, screenshotName);22}23public async Task VerifyViewportAsync(string pageName, string url, string selector, string screenshotName, string[] selectorsToHide)24{25    using var playwright = await Playwright.CreateAsync();26    await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions27    {28    });29    var context = await browser.NewContextAsync(new BrowserNewContextOptions30    {31        ViewportSize = new ViewportSize() { Width = 1920, Height = 1080 }32    });33    var page = await context.NewPageAsync();34    await page.GotoAsync(url);35    await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);36    foreach (var selectorToHide in selectorsToHide)37    {38        await page.QuerySelectorAsync(selectorToHide).EvaluateAsync("element => element.style.display = 'none'");39    }40    var screenshot = await page.ScreenshotAsync(new PageScreenshotOptions41    {

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.