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 Github

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...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;...

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BrowserContextBasicTests.cs

Source:BrowserContextBasicTests.cs Github

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...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 {...

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DefaultBrowserContext1Tests.cs

Source:DefaultBrowserContext1Tests.cs Github

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...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 }...

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BrowserContextViewportTests.cs

Source:BrowserContextViewportTests.cs Github

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...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 });...

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TestUtils.cs

Source:TestUtils.cs Github

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...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 {...

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VerifyViewportAsync

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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);

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VerifyViewportAsync

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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}

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VerifyViewportAsync

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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();

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VerifyViewportAsync

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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);

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VerifyViewportAsync

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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

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VerifyViewportAsync

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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 {

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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.

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  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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