A comprehensive A-Z guide to testing React apps with React Testing Library and Vitest / Jest.

What You'll Learn
Master the fundamentals of testing React applications with React Testing Library.
Write maintainable, robust, and trustworthy tests that consistently deliver value.
Efficiently mock API responses with Mock Service Worker (MSW).
Mock data using @mswjs/data and @faker-js.
Simulate user events in a test environment.
Dive into advanced testing techniques involving authentication, state management, routing, etc.
Master refactoring techniques that pros use to make their code more readable and maintainable.
Learn from real-world examples and exercises that prepare you for the job.
Use ESLint to catch code quality issues early.

Who Is This For?
Developers looking to level up their React skills.
Software engineers aiming to improve code quality.
React developers preparing for job interviews.
Anyone looking to boost their career prospects by mastering React testing.

Prerequisites
To fully benefit from this course, a solid foundation in React is essential. You should be well-versed in all the core concepts, including components, hooks, state management, routing, and more. Additionally, a basic understanding of unit testing plain javascript code (without UI frameworks) using tools like Jest or Vitest is necessary.

https://codewithmosh.com/p/complete-react-testing-course