Skills
.Work. You
Rest

tdd-quality

Community

Write better tests that survive refactors.

Software Engineering#tdd#unit testing#software design#test quality#red green refactor#refactor resilience#behavior driven testing
Authortykhoncode
Version1.0.0
Installs0

System Documentation

What problem does it solve?

tdd-quality reduces the risk of writing tests that don’t reflect real behavior by correcting two common TDD failure modes: horizontal slicing and tests coupled to implementation details.

Core Features & Use Cases

  • Vertical tracer-bullet slicing: Ensures each RED→GREEN cycle lands one behavior at a time, so later tests are informed by what the system actually learned.
  • Behavior-first assertions: Guides you to write tests as specifications that exercise public APIs rather than mocks at every internal seam.
  • Refactor resilience check: Uses the “rename an internal function without changing behavior” litmus test to detect and rewrite fragile tests.

Use cases include rebuilding a failing TDD flow, improving the quality of an existing test suite, and preventing refactor pain from tests that verify private implementation rather than user-visible behavior.

Quick Start

Apply the tdd-quality lens while doing TDD by choosing one high-value behavior, writing a tracer-bullet test that exercises the public interface, and iterating until the test proves behavior rather than internal structure.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: tdd-quality
Download link: https://github.com/tykhoncode/dicekit/archive/main.zip#tdd-quality

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
View Source Repository

Agent Skills Search Helper

Install a tiny helper to your Agent, search and equip skill from 471,000+ vetted skills library on demand.