Individual skill

exp-test-maintainability

Detects duplicate boilerplate, copy-paste tests, and structural maintainability issues across .NET test suites. Use when the user asks to reduce repetition, consolidate similar test methods, convert copy-paste tests to data-driven parameterized tests, suggest a better test structure, or identify refactoring opportunities. Identifies repeated construction, assertion patterns, copy-paste methods convertible to DataRow/Theory/TestCase, redundant setup/teardown, and shared infrastructure. Produces an analysis report with concrete before/after suggestions. Works with MSTest, xUnit, NUnit, and TUnit. DO NOT USE FOR: writing new tests (use writing-mstest-tests), reviewing test quality or anti-patterns (use test-anti-patterns), or deep mock auditing (use exp-mock-usage-analysis).

plugins/dotnet-experimental/skills/exp-test-maintainability/SKILL.md

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Last checked: Nov 9, 2026

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Repository stars (not skill ratings): 5,868
Repository last updated: Nov 9, 2026
License: MIT

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# Test Maintainability Assessment

Analyze .NET test code for maintainability issues: duplicated boilerplate, copy-paste test methods, and structural repetition across test methods and classes. Produce a report of refactoring opportunities with concrete before/after suggestions. The goal is analysis only — do not modify any files.

## When to Use

- User asks to find duplicated code or boilerplate in tests
- User wants to know where test code can be DRY-ed up
- User asks to reduce test duplication, improve test readability, or clean up test boilerplate
- User asks for refactoring opportunities in a test suite
- User wants to identify shared setup or teardown candidates
- User asks "what patterns repeat across my tests?"
- User wants to centralize test data, introduce builders or helpers