Unit Testing Skill

Write effective, maintainable unit tests informed by the project's actual framework, production error data, and current best practices.

Step 0: Auto-Detect Test Environment

Before writing any tests, discover the project's testing setup.

0a. Detect Test Framework

Read the dependency manifest (package.json, requirements.txt, pyproject.toml, go.mod, Cargo.toml, build.gradle, Gemfile) and look for: