Testing

Most engineers think of tests as bug-catchers. That framing leads to bad tests. The real purpose of a test suite is confidence — the freedom to change code without fear. Reframe it and you write better tests.

I spent years thinking test-first was dogma for people with too much time. Then one painful week converted me. Here's what actually changed my mind.

I spent years thinking I didn't have time to write tests. The one small habit that changed my mind cost almost nothing and saved everything.