😎 React Compontets testing 리액트 공식페이지를 보면 components testing에 아래와 같이 두가지 라이브러리를 추천하고있다. Jest is a JavaScript test runner that lets you access the DOM via jsdom. While jsdom is only an approximation of how the browser works, it is often good enough for testing React components. Jest provides a great iteration speed combined with powerful features like mocking modules and timers so you can have mor..