JavaScript Testing with Jest – Crash Course

YOUR LINK HERE:

http://youtube.com/watch?v=IPiUDhwnZxA

Learn how to test JavaScript code using the Jest testing framework. Jest is a JavaScript testing framework designed to ensure correctness of any JavaScript codebase. It allows you to write tests with an approachable, familiar and feature-rich API that gives you results quickly. • ✏️ Course developed by @Code With Tomi • ❤️ Try interactive JavaScript courses we love, right in your browser: https://scrimba.com/freeCodeCamp-Java... (Made possible by a grant from our friends at Scrimba) • ⭐️ Contents ⭐️ • 00:00 Intro • 00:45 Setting Up Jest • 06:22 Basic Concepts In Jest • 15:31 Matchers • 33:21 Testing Asynchronous Code • 49:48 Mock Functions and Spies • 1:00:20 Outro • 🎉 Thanks to our Champion and Sponsor supporters: • 👾 davthecoder • 👾 jedi-or-sith • 👾 南宮千影 • 👾 Agustín Kussrow • 👾 Nattira Maneerat • 👾 Heather Wcislo • 👾 Serhiy Kalinets • 👾 Justin Hual • 👾 Otis Morgan • 👾 Oscar Rahnama • -- • Learn to code for free and get a developer job: https://www.freecodecamp.org • Read hundreds of articles on programming: https://freecodecamp.org/news

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