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    🧪 Test Quality Auditor

    by JustHandled Labs

    1

    It saves developers hours of manual code review by automatically flagging trivial assertions, over-mocking ratios, and placeholder tests that should have been deleted or finished.

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    See it in action

    You say

    Audit my recent unit tests in the services/ directory to see if they are actually effective or just inflating coverage.

    Your agent does

    Test Quality Audit Results

    File: services/auth.service.spec.ts Line: 42 Issue: [TAUTOLOGY] High Severity Evidence: expect(mockUser).toBe(mockUser) Remediation: Test is asserting the input mock instead of the service return value. Update to assert actual output.

    What you get

    Detect tests that pass without actually asserting any logic.Identify "mock-only" checks where the test confirms its own setup.Find over-mocked tests that provide a high ratio of mocks to actual code.Surface placeholder tests and empty snapshot tests before they reach production.

    About this skill

    What it does

    The Test Quality Auditor is a specialized diagnostic tool designed to uncover "security theater" in your test suite. It identifies tests that pass but provide zero actual verification, such as tests with missing assertions, tautological checks, or tests that accidentally assert the behavior of a mock rather than the system under test.

    Why use this skill

    High test coverage numbers often hide poor test quality. This skill goes beyond simple coverage metrics to find tests that give a false sense of security. It saves developers hours of manual code review by automatically flagging trivial assertions, over-mocking ratios, and placeholder tests that should have been deleted or finished.

    Supported tools

    • Languages: JavaScript, TypeScript, and Python.
    • Frameworks: Compatible with standard runners like Jest, Vitest, and Pytest.
    • Output: Provides structured reports including severity levels, specific line numbers, and actionable remediation guidance.

    The Output

    The auditor produces a detailed report for each flagged test, highlighting the specific evidence of poor quality and providing a clear path to fix it, ensuring your test suite becomes a reliable safety net.

    How to install

    Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.

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    Creator

    JustHandled Labs builds focused agent skills for the work nobody wants to do by hand. Each one is a single repeatable job done well: catching the security and data mistakes that quietly ship, keeping docs and tests honest, gating the commands an agent is about to run, sharpening writing, and handling the founder chores around launches, outreach, and brand setup. Not generic AI productivity. Specific workflows that are easy to run, review, and repeat. Maintained by H.J. Westerfield, with a background in communications, editing, project coordination, customer support, and practical AI systems. Tools for people who want useful automation without theatrical complexity.

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