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Test-Driven Development (TDD)

Write failing tests before implementing features and bug fixes.

Updated Mar 1, 2026
Search Tags:#TDD#bug fixing#software testing#development methodology#test-first
One-click install
npx skills add https://github.com/cpfcoaching/glowing-palm-tree --skill test-driven-development-tdd-cpfcoaching
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Test-Driven Development (TDD)
Source: https://github.com/cpfcoaching/glowing-palm-tree/tree/main/skills-library/superpowers/testing/test-driven-development
Command: npx skills add https://github.com/cpfcoaching/glowing-palm-tree --skill test-driven-development-tdd-cpfcoaching

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers implement features and fix bugs with confidence by following the Test-Driven Development (TDD) methodology, ensuring that code is thoroughly tested and reliable.

Core Features & Use Cases

  • Test-First Approach: Start with writing a test for the desired feature or bugfix.
  • Red-Green-Refactor Cycle: Write a failing test, make it pass with minimal code, then refactor.
  • Continuous Integration: Automatically run tests with every code commit to catch issues early.
  • Use Case: When developing a new feature in a web application, use this Skill to write tests before writing the actual code, ensuring the feature is implemented correctly.

Quick Start

Implement a new feature with TDD by starting with writing a failing test for the desired functionality.

Frequently Asked Questions about Test-Driven Development (TDD)

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

FAQPage Schema
What is the test-driven development methodology for software engineering?▼

Test-driven development (TDD) is a test-first software engineering methodology where you write a failing test before implementing the feature or bugfix. It follows a red-green-refactor cycle to ensure reliable code.

How do I implement a new feature using a test-first approach?▼

To implement a feature test-first, start by writing a failing test for the desired functionality. Next, write the minimal code required to make the test pass, then refactor the implementation while ensuring the test continues to pass.

Can I use test-driven development for bug fixing in an existing web application?▼

Yes, you can apply test-driven development to bug fixing in a web application by initially writing a test that reproduces the specific bug. Once the bug is fixed, the test passes, preventing future regressions in that functionality.

What do I need to set up before starting test-driven development?▼

Before starting test-driven development, you need a development environment configured with a testing framework installed. This setup allows you to execute the red-green-refactor cycle and automatically run tests with every code commit.

When should I not use the test-first development methodology?▼

You should avoid the test-first methodology in software development when exploring unfamiliar prototypes or spiking concepts where rapid iteration matters more than immediate test coverage, as the rigorous testing approach can slow down initial experimentation.

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