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Test-Driven Development

Verified

Enforces strict TDD workflow: write failing test first, minimal implementation, refactor. Prevents untested code from shipping.

By obra (Jesse Vincent) 25,300 stars v1.0 Updated 2026-03-15
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About This Skill

Overview

Enforces strict TDD workflow: write failing test first, minimal implementation, refactor. Prevents untested code from shipping.

Installation

Install via skills.sh:

  • `npx skills add obra/superpowers`

Source

This skill is sourced from obra (Jesse Vincent) and is available on the skills.sh directory.

Use Cases

  • Enforce strict test-driven development with failing test before implementation
  • Prevent untested code from shipping by making tests a prerequisite
  • Guide the red-green-refactor cycle for disciplined code development
  • Build confidence in code changes through comprehensive test coverage
  • Refactor existing code safely with a test safety net

Pros & Cons

Pros

  • +Strict TDD enforcement catches untested code before it enters the codebase
  • +Red-green-refactor cycle produces cleaner, more maintainable code
  • +Prevents the common mistake of writing tests after implementation

Cons

  • -Strict TDD may slow initial development for exploratory or prototype work
  • -Not all code is equally testable — some patterns require TDD adaptation

FAQ

What does Test-Driven Development do?
Enforces strict TDD workflow: write failing test first, minimal implementation, refactor. Prevents untested code from shipping.
What platforms support Test-Driven Development?
Test-Driven Development is available on Claude Code.
What are the use cases for Test-Driven Development?
Enforce strict test-driven development with failing test before implementation. Prevent untested code from shipping by making tests a prerequisite. Guide the red-green-refactor cycle for disciplined code development.

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