What problem does it solve?
This Skill ensures the creation of high-quality, bug-resistant code by strictly enforcing Test-Driven Development (TDD) methodology. It prevents common pitfalls like writing untestable code or deferring tests, leading to more reliable and maintainable software.
Core Features & Use Cases
- Strict TDD Cycle Enforcement: Guides you through the RED (write failing test) → GREEN (make test pass) → REFACTOR (improve code quality) cycle, preventing you from writing production code without a prior failing test.
- Bug Fixing with Tests: Requires reproducing bugs with a failing test first, guaranteeing that fixes are verified and won't re-emerge later.
- Integrated Quality Assurance: Incorporates mandatory steps for linting, formatting, and building your code, ensuring all quality checks pass before a task is considered complete.
- Meaningful Test Guidelines: Promotes writing tests that verify behavior rather than just implementation details, leading to more resilient tests.
- Use Case: You're tasked with adding a new user authentication feature. Instead of diving directly into implementation, this Skill directs you to write a failing test for authentication, then minimal code to make it pass, and finally refactor for elegance, ensuring the feature is robust, tested, and high-quality from inception.
Quick Start
Using TDD, implement a new feature to validate email addresses in the user registration module. Start by writing a failing test for an invalid email format.
