The Hardest Part of Writing Tests is Getting Started - Shopify

What this post added

This post provides a foundational guide for engineers new to writing tests, addressing the common challenge of getting started. It outlines the 'why' behind testing (documentation, regression prevention, contract enforcement) and offers a four-step approach: writing the first test, focusing on isolated functions, utilizing stubs and fixtures for controlled environments, and implementing end-to-end tests. It emphasizes the importance of ensuring tests can fail and the value of testing legacy code through E2E tests before refactoring.