A couple of months ago I have announced a Cypress.io course Testing The Swag Store targeted at the beginners who want to learn web end-to-end and component testing using Cypress.io test runner. The short announcement video can be seen below It is hard to believe, but I have been on a roll creating lots and lots of lessons for this course. It now covers end-to-end testing, React component testing,
14.2.1 Released 3/26/2025 Bugfixes: Applies a fix from #30730 and #30099 related to Node.js turning on ESM flags by default in Node.js version 20.19.0. Fixed in #31308. Fixed an issue where Firefox BiDi was not correctly removing prerequests on expected network request failures. Fixes #31325. Fixed an issue in @cypress/webpack-batteries-included-preprocessor and @cypress/webpack-preprocessor wher
Synthetic MonitoringProactive, uptime & end-to-end monitoring with Playwright
About half a year ago Bronley Plumb kindly made me aware of a memory leak in one of my open-source packages. To see this memory leak in action it was necessary to open a browser and its dev tools to execute some manual steps. On top of that, the memory had to be inspected manually. It was a complicated procedure. Normally I just add a failing test before I fix a bug. This time it was a bit more tr
27 October, 2018 The Three Types of Performance Testing Written by Harry Roberts on CSS Wizardry. Table of Contents Proactive Reactive Passive What This Means for Developers What This Means for the Business A lot of companies—even if they are aware that performance is key to their business—are often unsure of how, when, or where performance testing sits within their development lifecycle. To make
Webエンジニアの森脇です。LCLでは、以前より「Capybara + PhantomJS」でE2Eテストを行っていましたが、「Puppeteer + Headless Chrome」へ変更しました。 元々は、軽くPuppeteerを触ってみるだけのつもりでしたが、できが良く本格的にE2Eテストへ導入することにしました。 本記事では、変更の経緯や、PuppeteerでE2Eテストを実装する上でのTIPSを紹介します。なお、Capybara + PhantomJSを利用したE2Eテストは、以下の記事でご紹介しております。 techblog.lclco.com 変更の経緯 PhantomJSは古めのWebkitをベースにしているため、一部のCSSがうまく適用されず、Headless Chromeへ移行を以前より考えていました。そんな中、PhantomJSの開発が終了したこともあり、移行すること
So testing, right? We should do it. The thing is, testing is hard, and good testing is reaaaaaaally hard, and tbh I’m pretty bad at testing. So I end up not testing my apps, and then I feel guilty about it, but I’ll stop you now: you can’t run guilt on Travis. If this sounds familiar, then this blog post is for you. I did a little song-and-dance that sets up Puppeteer* , takes screenshots of your
With this release, we have prepared a bunch of new features. Two big news are the Electron browser provider and concurrent test execution. Read on to learn more. Enhancements ⚙ Testing Electron applications (testcafe-browser-provider-electron) We have created a browser provider that allows you to test Electron applications with TestCafe. Getting it to work is simple. First, install the browser pr
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