TEST🩺: 테스트 커버리지

jest에서 test coverage를 알아서 계산해준다
근데,
test coverage를 구현하는 로직은 어떻게 생겼을까?!
신기방기

Reference

• 실용적인 리액트 테스트 전략
• https://ui.toast.com/fe-guide/ko_TEST#%EC%89%AC%EC%9A%B4-%EC%BB%A4%EB%B2%84%EB%A6%AC%EC%A7%80-%EC%B8%A1%EC%A0%95
• https://www.zerocho.com/category/React/post/583231469a87ec001834a0ec
• https://github.com/adhrinae/react-testing-tutorial-kr/blob/master/translations/ch12.md
• https://pakss328.medium.com/%EC%BD%94%EB%93%9C%EC%BB%A4%EB%B2%84%EB%A6%AC%EC%A7%80-code-coverage-991e79da9e5f
• https://jbee.io/react/testing-1-react-testing/
• http://tech.javacafe.io/2018%EB%85%84%20%EC%83%81%EB%B0%98%EA%B8%B0%20%EC%8A%A4%ED%84%B0%EB%94%94/react.js/2018/04/21/2018%EB%85%84_%EC%83%81%EB%B0%98%EA%B8%B0_%EC%8A%A4%ED%84%B0%EB%94%94_react-js-week_6rd/
• https://pathas.tistory.com/231
• https://stackoverflow.com/questions/57860504/enable-code-coverage-for-jest-tests-in-jest-html-reporter-istanbul
• https://procodes.tistory.com/3687
• https://stackoverflow.com/questions/24825860/code-coverage-for-jest
• https://afrobambacar.github.io/2018/10/code-coverage-with-jest.html
• https://velog.io/@rlcjf0014/Jest1-Intro
• https://blog.outsider.ne.kr/954
• https://wkdtjsgur100.github.io/jest-test-react-app/
• https://github.com/adhrinae/react-testing-tutorial-kr/blob/master/translations/ch11.md
• https://writingdeveloper.blog/311?category=758768
• https://samslow.github.io/development/2020/09/02/reactnativeTesting/
• https://stackoverflow.com/questions/28283371/how-to-get-test-coverage-from-jest-while-testing-react-js-app
• https://create-react-app.dev/docs/running-tests/#coverage-reporting