How does this skill calculate the mutation score?

The mutation score is the percentage of total mutations that were 'killed' (detected) by your test suite. A higher score indicates a more effective set of tests.

What is a 'surviving mutant'?

A surviving mutant is a version of your code with a small logic change that your test suite failed to detect, indicating a gap in your test coverage.

Can I use this for specific modules only?

Yes, you can target mutation testing on specific critical modules or services to optimize performance and focus on high-risk areas.

What is the difference between code coverage and mutation testing?

Code coverage measures which lines of code are executed by tests, while mutation testing measures if the tests are actually capable of detecting logic errors within those lines.

Mutation Test Runner

Name: Mutation Test Runner
Author: intent-solutions-io

byintent-solutions-io

0•

보안 및 테스팅

Validates test suite quality by introducing code mutations and analyzing the ability of tests to detect logic changes.

The Mutation Test Runner skill empowers Claude to perform advanced mutation testing, a technique that evaluates the effectiveness of your test suite by injecting small, intentional bugs into your codebase. By determining which mutations were 'killed' by your tests and which 'survived,' the skill provides a mutation score that reflects the actual robustness of your testing strategy beyond simple line coverage. It is an essential tool for identifying hidden gaps in test suites and ensuring critical business logic is thoroughly validated.

주요 기능

01Actionable recommendations for improving test cases based on results

02Real-time execution of test suites against mutated code versions

030 GitHub stars

04Comprehensive mutation score calculation and performance reporting

05Automated mutation generation including logic and operator changes

06Identification of surviving mutants to pinpoint specific testing weaknesses

사용 사례

01Identifying edge cases that existing unit tests fail to catch

02Benchmarking test suite quality during major refactoring or migrations

03Verifying the depth and effectiveness of tests for critical validation modules

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add intent-solutions-io/plugins-nixtla mutation-test-runner

For use in Claude.ai and ChatGPT

Download Skill