newline author Costa Alexoglou (@CostasAlexoglou) guides you through the process of testing a React component with Jest and React Testing Library, from the installation of dependencies to writing tests for a React component. Jest is a popular JavaScript testing framework, and React Testing Library provides many utility functions for testing the behavior of a React component.
To learn how to build your own design system from scratch, check out Costa's newline course, "Build a Complete Company Design System":
https://www.newline.co/courses/build-...
You can also download our free "30 DAYS OF REACT" book here to advance your knowledge of React.js and JavaScript:
https://www.newline.co/fullstack-reac...