tdd

Automates the red-green-refactor workflow for feature and bug-fix cycles with integration-style testing and contract maintenance.

138|6|Updated Jan 25, 2025
One-click install
npx skills add https://github.com/yamcodes/arkenv --skill tdd-yamcodes
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: tdd
Source: https://github.com/yamcodes/arkenv/tree/main/skills/tdd
Command: npx skills add https://github.com/yamcodes/arkenv --skill tdd-yamcodes

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Test-driven development guidance reduces risk by centering work on behavior and public interfaces rather than implementation details.

Core Features & Use Cases

  • Guided TDD cycle: write failing tests, implement minimal code, refactor cleanly.
  • Best practices: emphasizes red-green-refactor, integration-style tests, and test readability.
  • Use Case: a team adopting TDD to improve feature reliability and maintainability across modules.

Quick Start

Begin a TDD cycle by writing a failing test, implement the minimum code to pass, and then refactor.

Frequently Asked Questions about tdd

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

FAQPage Schema
How do I start a test-driven development cycle for a new feature?

To start a test-driven development cycle, write a failing integration test that defines the expected behavior of your new feature. Next, implement the minimum code required to pass the test, and then refactor the implementation cleanly while maintaining the interface contract.

What is the red-green-refactor workflow in software engineering?

The red-green-refactor workflow is a test-driven development discipline where you write a failing test, implement just enough code to pass it, and then iteratively refactor the software. This enforces a focus on public interfaces and behavior to improve feature reliability.

How do I fix a bug using test-driven development?

To fix a bug using test-driven development, write an integration-style test that reproduces the specific bug and fails initially. Then, implement the minimal code correction to make the test pass, and refactor the surrounding code to maintain interface contracts.

When should I use integration tests instead of unit tests in TDD?

You should use integration-style tests in TDD when you need to center your development on behavior and public interface contracts across software modules. This approach reduces risk by focusing on reliable interactions rather than isolated implementation details.

Can I use test-driven development to refactor existing code safely?

Yes, you can use test-driven development to refactor existing code safely by ensuring integration-style tests cover the current behavior and interface contracts. Once tests pass, you can iteratively refactor the implementation while maintaining software reliability.

What are the limitations of test-driven development for complex modules?

Test-driven development may face limitations with complex modules if the public interface or behavior is difficult to define upfront. It requires disciplined red-green-refactor cycles, meaning teams must invest time in writing integration-style tests before any implementation.