Creating Daily Micro‑Wins with Tests and AI AssistantsLightweight Test Harness for Instant FeedbackWhen you start a new project, the first t

Creating Daily Micro‑Wins with Tests and AI AssistantsLightweight Test Harness for Instant FeedbackWhen you start a new project, the first thing that feels uncertain is whether the code you just wrote actually works. A test harness is a small collection of automated checks that run every time you change a file. Think of it as a safety net that tells you immediately if a function returns the expected result. For a novice, the most approachable harness is a single file that uses a built‑in testing framework such as pytest for Python or Jest for JavaScript. Write one test per function,...