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!