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test-driven-development

Enforce a test-first workflow with explicit red-green-refactor cycles.

Updated Apr 25, 2026
Search Tags:#testing#tdd#red-green-refactor#quality-assurance#software-engineering#dev-process
One-click install
npx skills add https://github.com/tomasbasso/SistemaStockV2 --skill test-driven-development-tomasbasso
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/tomasbasso/SistemaStockV2/tree/main/.agents/skills/desarrollo-guiado-por-pruebas-tdd
Command: npx skills add https://github.com/tomasbasso/SistemaStockV2 --skill test-driven-development-tomasbasso

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Software teams often drift away from test discipline, leading to fragile code and regressions. This Skill enforces a test-first mindset, ensuring a failing test exists before any production code is written. It provides a structured cycle of Red-Green-Refactor to maintain quality throughout development.

Core Features & Use Cases

  • Red-Green-Refactor discipline that codifies the order of operations.
  • Guardrails for new features, bug fixes, refactoring, and behavior changes.
  • Clear guidance and examples to recover from regressions and maintain code health.

Quick Start

Write a failing test first, then implement the minimal production code to pass the test, and repeat the Red-Green-Refactor cycle.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How do I enforce a test-first workflow for feature development and bug fixes?▼

The red-green-refactor cycle structures test-driven development by first writing a failing test (red), implementing minimal production code to pass it (green), then systematically refactoring while continuously verifying behavior.

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

The red-green-refactor cycle structures test-driven development by writing a failing test (red), implementing minimal code to pass it (green), then systematically refactoring while continuously verifying behavior.

How do I start applying TDD to refactoring existing code safely?▼

Start refactoring with TDD by creating dedicated tests that capture current behavior, ensuring they fail appropriately, then modifying code systematically while continuously verifying that tests pass throughout the process.

Can I use test-driven development for behavior changes in software projects?▼

Yes, test-driven development applies to behavior changes in software projects by codifying the order of operations and providing guardrails to ensure a failing test exists before modifying production code.

Why does writing tests first improve quality assurance in software engineering?▼

Writing tests first improves quality assurance by maintaining a structured test discipline throughout development, which prevents fragile code and regressions while ensuring implementation remains minimal and verifiable.

What are the limitations of applying a strict test-first discipline to all code changes?▼

Strict test-first discipline requires dedicated test creation for every change, which may slow down initial prototyping but ensures systematic refactoring with continuous verification to maintain code health.

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