React Testing Mastery: From Basics to Advanced Techniques

Highly Practical

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.

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Courses in This Bundle

Get the most out of your learning with this curated set of courses. Each course in this bundle builds on the others, giving you a comprehensive skill set for a complete learning experience.

Mastering JavaScript Unit Testing

4h

A comprehensive, beginner-friendly guide covering everything from the basics to advanced techniques

Testing React Apps with React Testing Library

7h

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

Target Student

Who Is This For?

What You Should Know First

Prerequisites

Here are the courses we recommend if you need to strengthen the fundamentals.

React 18 for Beginners

8h

A step-by-step guide to building web apps with React 18+ and TypeScript

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React 18: Intermediate Topics

6h

Take your React skills to the next level by mastering state management and routing

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Your Instructor

Why Learn From Me?

Hi! I'm Mosh Hamedani. I’ve been a software engineer for over 20 years and teaching coding for the last 10. In that time, I’ve helped millions of students level up as developers.

My teaching style is simple: no fluff, no wasted time. Every lesson is practical, structured, and easy to follow.

When you take one of my courses, you don’t just learn to code — you learn how to think like a developer.

Success Stories

What Our Students Are Saying

Excellent

4.7out of 5 based on 7307 reviews

Don’t just take my word for it—hear from students who have transformed their skills and careers with this course.

• Been recommending Mosh for years... probably a decade by now. I've lost count of how many developers and business people I have shared one of his videos with. Not much to say other than he's one of the best instructors out there. Great personality for teaching and a solid mastery of the subject matter. He's always going to be my first stop for learning something new.

• Mosh helped me land a job as as a Mobile software engineer

  I'm a self taught software engineer. During this period of study I completed many courses, trying to emulate a computer science education. Mosh's courses helped me all the way and the ones I continue coming back to and referencing as a professional software engineer.

  I already held a degree and didn't want to incure the cost of going to college again. I'm also pretty motivated, so Mosh's structured courses worked well for me.

  May courses will teach you a framework or technology, but these are highly perishable skills. Mosh will teach you to think like a software engineer and load you with the correct fundamentals that will give you confidence when you get in the workplace.

  Thanks for everything Mosh!

• The best investment I have ever made

  Mosh is an outstanding teacher. His lessons are easy to learn and can be followed at your own pace, making them incredibly convenient. I've been learning from him for over four years, and the growth in my professional career has been remarkable. It's totally worth it. I am incredibly thankful to have found him.

• Mosh comes up with the best, well-structured and informative courses as always. I have seen most of his YouTube videos in his channel and he is the main reason I fell in love with programming. Mosh not only teaches you the concepts, but also points out what it takes to be a professional developer that makes one stand out. I highly recommend his courses to all.

  Thank you so much, Mosh

• Mosh never ceases to amaze me. His courses are always top-notch. Mosh manages to teach complex things easily. Thanks to his React course, I became a programmer and got my first job. If you want to learn from the best, you should choose Mosh as your mentor.

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Frequently-Asked Questions

• How is this course different from YouTube tutorials?

  Crystal clear and straight to the point, each lesson is concise and packed with 20 years of software engineering experience. No rambling—just a perfectly structured path to help you really understand and build your skills.

• What’s the difference between buying a single course and getting Lifetime Access?

  Buying a single course gives you lifetime access to just that course. Lifetime Access unlocks everything I’ve ever created—and everything I’ll release in the future—with a single payment.

• How long will I have access to the course?

  If you purchase this course, you’ll have lifetime access, allowing you to revisit lessons and resources anytime.

• Is there a money-back guarantee?

  Yes, there’s a 30-day money-back guarantee. If you find the course isn’t a good fit, you can request a refund within the first 30 days.