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How to use ShouldRunInParallel method of Microsoft.Playwright.Tests.PageScreenshotTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageScreenshotTests.ShouldRunInParallel

PageScreenshotTests.cs

Source:PageScreenshotTests.cs

...112            }));113            StringAssert.Contains("Clipped area is either empty or outside the resulting image", exception.Message);114        }115        [PlaywrightTest("page-screenshot.spec.ts", "should run in parallel")]116        public async Task ShouldRunInParallel()117        {118            await Page.SetViewportSizeAsync(500, 500);119            await Page.GotoAsync(Server.Prefix + "/grid.html");120            var tasks = new List<Task<byte[]>>();121            for (int i = 0; i < 3; ++i)122            {123                tasks.Add(Page.ScreenshotAsync(new()124                {125                    Clip = new()126                    {127                        X = 50 * i,128                        Y = 0,129                        Width = 50,130                        Height = 50131                    }132                }));133            }134            await TaskUtils.WhenAll(tasks);135            Assert.True(ScreenshotHelper.PixelMatch("grid-cell-1.png", tasks[0].Result));136        }137        [PlaywrightTest("page-screenshot.spec.ts", "should take fullPage screenshots")]138        public async Task ShouldTakeFullPageScreenshots()139        {140            await Page.SetViewportSizeAsync(500, 500);141            await Page.GotoAsync(Server.Prefix + "/grid.html");142            byte[] screenshot = await Page.ScreenshotAsync(new() { FullPage = true });143            Assert.True(ScreenshotHelper.PixelMatch("screenshot-grid-fullpage.png", screenshot));144        }145        [PlaywrightTest("page-screenshot.spec.ts", "should restore viewport after fullPage screenshot")]146        public async Task ShouldRestoreViewportAfterFullPageScreenshot()147        {148            await Page.SetViewportSizeAsync(500, 500);149            await Page.GotoAsync(Server.Prefix + "/grid.html");150            await Page.ScreenshotAsync(new() { FullPage = true });151            Assert.AreEqual(500, Page.ViewportSize.Width);152            Assert.AreEqual(500, Page.ViewportSize.Height);153        }154        [PlaywrightTest("page-screenshot.spec.ts", "should run in parallel in multiple pages")]155        public async Task ShouldRunInParallelInMultiplePages()156        {157            int n = 5;158            var pageTasks = new List<Task<IPage>>();159            for (int i = 0; i < n; i++)160            {161                async Task<IPage> Func()162                {163                    var page = await Context.NewPageAsync();164                    await page.GotoAsync(Server.Prefix + "/grid.html");165                    return page;166                }167                pageTasks.Add(Func());168            }169            await TaskUtils.WhenAll(pageTasks);...

ShouldRunInParallel

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using Microsoft.Playwright.Tests;6using Xunit;7using Xunit.Abstractions;8{9    {10        public PageScreenshotTests(ITestOutputHelper output) : base(output)11        {12        }13        public async Task ShouldRunInParallel()14        {15            await Page.SetViewportSizeAsync(500, 500);16            await Page.GotoAsync(Server.Prefix + "/grid.html");17            var results = await Task.WhenAll(Enumerable.Range(0, 3).Select(async _ =>18            {19                var screenshot = await Page.ScreenshotAsync();20                return screenshot;21            }));22            var uniqueResults = new HashSet<string>(results.Select(result => Convert.ToBase64String(result)));23            Assert.Equal(3, uniqueResults.Count);24        }25    }26}27using System;28using System.Collections.Generic;29using System.Linq;30using System.Threading.Tasks;31using Microsoft.Playwright.Tests;32using Xunit;33using Xunit.Abstractions;34{35    {36        public PageScreenshotTests(ITestOutputHelper output) : base(output)37        {38        }39        public async Task ShouldWork()40        {41            await Page.SetViewportSizeAsync(500, 500);42            await Page.GotoAsync(Server.Prefix + "/grid.html");43            var screenshot = await Page.ScreenshotAsync();44            Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));45        }46    }47}48using System;49using System.Collections.Generic;50using System.Linq;51using System.Threading.Tasks;52using Microsoft.Playwright.Tests;53using Xunit;54using Xunit.Abstractions;55{56    {57        public PageScreenshotTests(ITestOutputHelper output) : base(output)58        {59        }60        public async Task ShouldWork()61        {62            await Page.SetViewportSizeAsync(500, 500);63            await Page.GotoAsync(Server.Prefix + "/grid.html");64            var screenshot = await Page.ScreenshotAsync();65            Assert.True(Screenshot

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.