Testing in React

Learn how to confidently test your React apps using vTest, React Testing Library, and more. This hands-on course walks you through writing, organizing, and running tests to ensure your apps are accessible, bug-free, and production-ready. Want to ship React apps that are reliable, accessible, and bug-free? This course will teach you how to test your apps like a pro—so you can deploy with confidence, knowing everything works exactly as expected. Testing is the process of verifying that your app behaves the way users expect it to. At its core, it's about preventing bugs, boosting confidence, and ensuring the long-term maintainability of your code. You'll be using modern tools like vTest, React Testing Library, and the Mock Service Worker library to build real, meaningful tests. This course is packed with hands-on practice. You'll test a fun, real-world project—the Meme Generator app—going from zero tests to a fully-tested React app.