Testing an Express Application: Part II

The video tutorial covers testing Express endpoints using Jest and Supertest. It begins with an introduction to testing methodologies, followed by instructions on installing and using Supertest. The tutorial then explains how to refactor an Express application to facilitate testing without starting the server. It demonstrates creating test cases with Supertest and managing test data to ensure a clean testing environment. The video emphasizes the importance of maintaining separate databases for development and testing to avoid conflicts.

What new insight or understanding did you gain from this video?