In this video, we will explore how to test your Google Apps Script which uses external APIs to get data and then populate Google Sheets with it.
Links:
TDD: https://en.wikipedia.org/wiki/Test-driven_...
Public Holiday API: https://date.nager.at/Api
Triple A pattern for unit testing (Arrange, Act, Assert): https://www.c-sharpcorner.com/UploadFile/d...