How does spec traceability work in this skill?

It uses @trace markers (e.g., @trace SPEC-01.01) within test comments to provide a direct audit trail between technical specifications and the verifying tests.

What is the primary goal of the TDD Methodology skill?

The primary goal is to ensure code quality and reliability by writing failing tests before implementation and maintaining a clear link between requirements and code.

What makes property testing different from unit testing in this methodology?

While unit tests check specific inputs, property tests use generated data to ensure invariants (like 'the output is always sorted') hold true across thousands of random scenarios.

Which programming languages does this skill support?

It includes specific examples and framework recommendations for Rust, TypeScript, Python, Go, and Zig.

Does this skill help with project organization?

Yes, it defines a standardized directory structure for tests (unit/, integration/, property/, e2e/) to keep test suites manageable as projects grow.

TDD Methodology

Name: TDD Methodology
Author: rand

byrand

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Security & Testing

Implements a rigorous test-driven development workflow with spec traceability and multi-tier testing patterns.

The TDD Methodology skill enables Claude to follow a disciplined software development process centered on the Red-Green-Refactor cycle. It provides structured guidance for four distinct testing tiers—unit, integration, property, and end-to-end—ensuring that every line of code is justified by a requirement. By utilizing unique traceability markers, the skill links tests directly to specification paragraphs, making it indispensable for high-stakes projects where reliability, maintainability, and auditability are paramount across Rust, TypeScript, Python, and Go environments.

Key Features

01Defines language-specific testing patterns for major frameworks

022 GitHub stars

03Provides templates for Unit, Integration, Property, and E2E tests

04Enforces the Red-Green-Refactor cycle for disciplined development

05Links code to requirements via @trace specification markers

06Establishes a standardized test pyramid and directory structure

Use Cases

01Writing a new feature that requires 100% specification traceability

02Implementing property-based testing to find edge cases in data processing

03Setting up a comprehensive multi-tier testing strategy for a new repository

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add rand/disciplined-process-plugin tdd-methodology

For use in Claude.ai and ChatGPT

Download Skill