Testing React apps with React Testing Library (RTL)

Welcome to testing React components with React Testing Library! In this course, you will learn lots of things. You will learn:

• The principles of Test Driven Development
• Know what is React Testing Library (RTL) and its differences with Enzyme (another popular test framework for React)
• Understand how Create React App (CRA) works.
• Understand how Jest works with RTL
• How to test with RTL and query elements with:
  • getBy, queryBy, findBy, getAllBy, queryAllBy, findAllBy
• How to simulate user interaction with the fireEvent API
• How to simulate user interaction with the userEvent API
• Testing components in isolation (unit tests)
• Learn about coverage and debugging
• How to mock 3rd party libraries like Axios and mock a GET request
• Learn about the pitfalls of CRA

You will have all the fundamental tools to test any React component and have that coverage at 100%!

Have fun, and never stop learning!

What you’ll learn