Does this skill work with existing test frameworks?

Yes, it provides conceptual and implementation guidance that can be applied to any testing framework like Jest, Vitest, Pytest, or Mocha.

How does this skill handle mocking?

It treats mocking as a last resort, encouraging the use of in-memory fakes or network recording tools to ensure tests more accurately reflect real-world behavior.

What is the primary benefit of the Testing Guidelines skill?

It ensures that Claude follows high-quality testing patterns, such as using deep equality checks and avoiding fragile mocks, leading to more robust software.

Why are strict assertions important in this skill?

Strict assertions, like deep equality checks, ensure that the entire data structure is correct rather than just checking for the existence of a single value, preventing hidden bugs.

Testing Guidelines

Name: Testing Guidelines
Author: motlin

bymotlin

0•

Security & Testing

Enforces rigorous testing standards including strict assertions, minimal mocking, and clear naming conventions for high-quality test suites.

The Testing Guidelines skill provides a framework for Claude to write, edit, and review tests with a focus on reliability and maintainability. It establishes strict rules for assertions by favoring deep equality checks, discourages the overuse of mocks in favor of fakes or record/replay frameworks, and standardizes naming conventions to improve clarity. This skill is ideal for teams looking to eliminate brittle tests and ensure that their AI-generated test suites reflect industry-best practices for integration and unit testing.

Key Features

01Strategic guidance on using fakes and examples instead of mocks

02Standardized test naming conventions for better readability

03Strict architectural constraints for test implementation and review

04Support for record/replay network traffic patterns

05Promotion of strict deep equality assertions over loose inclusions

060 GitHub stars

Use Cases

01Automating code reviews to ensure test quality and assertion depth

02Standardizing testing patterns across a new project or organization

03Refactoring brittle test suites that rely too heavily on function mocking

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add motlin/claude-code-plugins testing

For use in Claude.ai and ChatGPT

Download Skill