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test-driven-development

Enforce a failing test before production code using the RED-GREEN-REFACTOR cycle.

Updated Oct 15, 2025
Search Tags:#tdd#red-green-refactor#unit-testing#quality-assurance#software-engineering#test-driven-development
One-click install
npx skills add https://github.com/Italo520/erp_archflow_arquiteture --skill test-driven-development-italo520
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/Italo520/erp_archflow_arquiteture/tree/main/.agent/skills/test-driven-development
Command: npx skills add https://github.com/Italo520/erp_archflow_arquiteture --skill test-driven-development-italo520

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Test-driven development formalizes a workflow where developers write a failing test before implementing any feature, reducing regressions and ensuring clearer requirements.

Core Features & Use Cases

  • Enforces a RED-GREEN-REFACTOR cycle to guide incremental development.
  • Improves code reliability by validating tests before code is production-ready.
  • Use Case: During a bug fix, write a failing test for the bug, implement the fix, then refactor while all tests pass.

Quick Start

Write a failing test first, then implement the minimal production code to pass it.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How do I start writing unit tests before writing production code?▼

To start writing unit tests before production code, write a failing test first, then implement the minimal code required to pass it. This test-first approach enforces structured workflows and ensures clear requirements before development.

What is the red-green-refactor cycle in test-driven development?▼

The red-green-refactor cycle in test-driven development is an incremental process where you write a failing test, implement minimal production code to pass it, then refactor while all tests pass. This cycle ensures robust software design.

How does test-driven development help with fixing software bugs?▼

Test-driven development helps with fixing software bugs by enforcing a failing test for the bug before implementing any fix. This ensures the regression is captured and validated, improving overall code reliability before the code is production-ready.

Can I use test-driven development for feature development and refactoring?▼

Yes, you can use test-driven development for feature development, bug fixes, and refactoring across software projects. It enforces a failing test before any production code is written, ensuring robust design and reducing regressions throughout the process.

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