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Skill · Testing

Brooks test

Review test-suite quality using established testing literature; identify brittleness, mock abuse, unclear fixtures, weak assertions, slow feedback, and maintenance risks.

Agentic Awesome SkillsLicense: MITAdded Sep 5, 2026
IT & Software Development
Use it in my AI

How to use it

  1. Start your plan and connect your AI once
  2. Add the skill to your AI, one time only: press Copy skill and paste it into your AI's instructions: a project in ChatGPT, Claude or Grok, a Gem in Gemini, an agent in Microsoft 365 Copilot, or a rule in Cursor. It stays there for every new chat. In Kimi, paste it at the start of a new chat.
  3. Ask for the task in your own words, or say it directly:
Use the Brooks test skill to help me with this.
SKILL.md2 files in this skill

Brooks-Lint — Test Quality Review

When to Use

Use this skill when you need test quality review drawing on twelve classic engineering books — with primary focus on xUnit Test Patterns, The Art of Unit Testing, How Google Tests Software, and Working Effectively with Legacy Code — that diagnoses structural problems in an existing test suite: brittleness, mock...

Setup

  1. Read ../_shared/common.md for the Iron Law, Project Config, Report Template, and Health Score rules
  2. Read ../_shared/source-coverage.md for book-level coverage, exceptions, and tradeoffs
  3. Read ../_shared/test-decay-risks.md for test-space symptom definitions and source attributions
  4. Read test-guide.md in this directory for the test quality review framework

Process

If the user has not shared test files or pointed to a test directory: apply Auto Scope Detection from ../_shared/common.md to determine the review scope before proceeding.

  1. Build the test suite map (guide's "Before You Start" section)
  2. Scan for each test decay risk in the order specified (Steps 1–4 of the guide)
  3. Apply the Iron Law and output using the Report Template (Step 5 of the guide)

Mode line in report: Test Quality Review

Limitations

  • Use this skill only when the task clearly matches its upstream source and local project context.
  • Verify commands, generated code, dependencies, credentials, and external service behavior before applying changes.
  • Do not treat examples as a substitute for environment-specific tests, security review, or user approval for destructive or costly actions.

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