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test-driven-development

Enforce a Red-Green-Refactor cycle with failing tests before production code.

2|Updated Apr 11, 2026
Search Tags:#testing#tdd#refactoring#red-green-refactor#quality-assurance#software-development
One-click install
npx skills add https://github.com/PlazaCC/antes-da-tela --skill test-driven-development-plazacc
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/PlazaCC/antes-da-tela/tree/main/.agents/skills/test-driven-development
Command: npx skills add https://github.com/PlazaCC/antes-da-tela --skill test-driven-development-plazacc

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Test-driven development helps ensure code correctness by forcing a failing test before implementation, reducing defects and regressions.

Core Features & Use Cases

  • Enforces Red-Green-Refactor workflow across feature development, bug fixes, and refactors.
  • Promotes writing tests before production code, capturing expected behavior and edge cases.
  • Improves maintainability by providing an executable specification that guides refactoring.

Quick Start

Explain and demonstrate the Red-Green-Refactor cycle by starting with a failing test and implementing the minimum code to pass.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How does test-driven development prevent software regressions?▼

Test-driven development prevents regressions by requiring a failing test before any production code is written, ensuring correct behavior and capturing edge cases as executable specifications throughout the software project.

What is the Red-Green-Refactor cycle for writing tests?▼

The Red-Green-Refactor cycle starts with a failing test, implements the minimum production code to pass it, and then refactors the code while maintaining test coverage for reliable software.

How do I use TDD when fixing bugs or refactoring code?▼

Use TDD for bug fixes and refactoring by writing a failing test that captures the expected behavior, then implementing the minimal code changes to make the test pass and ensure regression safety.

Does test-driven development require specific testing frameworks?▼

Test-driven development does not require specific frameworks, as it focuses on the test-first discipline applicable across software projects to enforce the Red-Green-Refactor workflow regardless of the environment.

When should I not use test-first development for feature development?▼

Test-first development might be less suitable for exploratory prototyping where expected behavior is undefined, as it requires capturing expected behavior and edge cases through tests before implementation.

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