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tdd

Automate red-green-refactor cycles for test-first software development.

Updated Aug 23, 2026
Search Tags:#tdd#red-green-refactor#code-quality#unit-testing#test-driven-development#aaa-pattern#test-doubles
One-click install
npx skills add https://github.com/bigdegenenergy/ai-dev-toolkit --skill tdd-bigdegenenergy
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: tdd
Source: https://github.com/bigdegenenergy/ai-dev-toolkit/tree/main/.claude/skills/tdd
Command: npx skills add https://github.com/bigdegenenergy/ai-dev-toolkit --skill tdd-bigdegenenergy

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Teams struggle to ensure correct software behavior without extensive manual testing and brittle code.

Core Features & Use Cases

  • Patterned workflow: Enforces red-green-refactor cycles and test-first thinking.
  • Structured testing discipline: Guides naming conventions, test doubles, and the AAA testing pattern.
  • Educational scope: Useful for onboarding and improving testing literacy across teams.

Quick Start

Run through the TDD cycle by writing a failing test first, then implement the minimal code to make it pass and refactor.

Frequently Asked Questions about tdd

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I start writing tests before implementation using red-green-refactor?▼

Test-driven development solves this by enforcing red-green-refactor cycles, guiding you to write failing unit tests first and then implementing minimal code to ensure correct software behavior incrementally.

How do I structure unit tests using the AAA pattern and test doubles?▼

Structure unit tests by applying the AAA pattern for Arrange-Act-Assert phases and utilizing test doubles for dependencies. This enforces structured testing discipline and consistent naming conventions across your software projects.

Can I use test-driven development for integration testing and refactoring workflows?▼

Yes, test-driven development applies to unit testing, integration testing, and refactoring workflows across software projects. It promotes safe, incremental change by satisfying test coverage targets through patterned test-first workflows.

What's the best way to improve testing literacy across my engineering team?▼

The best way to improve testing literacy is enforcing test-first thinking and structured testing discipline. This approach provides educational scope for onboarding teams to correct software behavior without brittle code or extensive manual testing.

Why does test-driven development require writing a failing test first?▼

Test-driven development requires a failing test first to validate the test's effectiveness before implementing minimal code. This red-green-refactor cycle ensures safe, incremental changes while satisfying coverage targets and preventing brittle code.

When should I not use test-first development for my software project?▼

You should avoid test-first development when extensive manual testing is already sufficient or when your software project cannot support structured testing discipline, as it enforces strict red-green-refactor cycles and test coverage targets.

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