How to mock (Express) Response in tests - Node.js - TypeScript

Learn how to mock Express response (and request) objects for unit testing in TypeScript. 0:00 - Start 3:08 - First problem - bad mock type 3:18 - Type Assertion - solution for bad types 4:36 - Second problem - missing mock function 4:50 - Solution for missing json function 5:35 - Incorrect type assertion 5:41 - Solution for the incorrect type assertion: Partial 6:41 - Green test result Udemy profile: https://www.udemy.com/user/david-csejtei/ LinkedIn profile: https://www.linkedin.com/in/davidcsejtei/ Medium profile: https://codinglikedavid.medium.com/ 🚀 Join my slack group to get help: https://join.slack.com/t/codinglikedavid/shared_invite/zt-wowi9q4g-0N_ngfSx0dcOUMaRftdylQ