Testing
Writing Unit Tests That Actually Catch Bugs
What separates a unit test that catches real regressions from one that only verifies your test setup - and how to write tests that stay useful as code changes.
Testing
The Testing Pyramid: Why Balance Matters More Than Coverage
What unit, integration, and end-to-end tests are actually good for, and how to find the right mix so your test suite catches real bugs without being a maintenance burden.