test-analysis-extensions

Testing & Quality

Provides file paths to language-specific reference files for the test ANALYSIS skills (assertion-quality, test-anti-patterns, test-gap-analysis, test-smell-detection, test-tagging). Call this skill to discover available extension files (e.g., dotnet.md for .NET/MSTest/xUnit/NUnit/TUnit, python.md for pytest/unittest, typescript.md for Jest/Vitest/Mocha, java.md for JUnit/TestNG, etc.). Do not use directly — invoked by the test-quality-auditor agent and polyglot analysis skills that need framework-specific lookup tables (test markers, assertion APIs, skip annotations, sleep patterns, mystery guest indicators, integration markers, setup/teardown, tag-support capability).

QUICK START

How to use this skill

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Prompt to paste

I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/managedcode/dotnet-skills/blob/HEAD/catalog/Testing/Official-DotNet-Test/skills/test-analysis-extensions/SKILL.md

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Test Analysis Extensions

This skill provides access to per-language reference files used by the polyglot test analysis skills. Call this skill to get the list of available extension files, then read the one matching the target codebase's language and test framework.

Available Extension Files

File	Languages / Frameworks	Contents
extensions/dotnet.md	.NET (C#/F#/VB) — MSTest, xUnit, NUnit, TUnit	Test markers, assertion APIs, sleep/delay patterns, skip annotations, mystery guest, integration markers, setup/teardown, tag support
extensions/python.md	Python — pytest, unittest	Same categories, with pytest fixtures/markers and unittest TestCase
extensions/typescript.md	TypeScript / JavaScript — Jest, Vitest, Mocha, Jasmine, node:test	Same categories, with async/await pitfalls
extensions/java.md	Java — JUnit 4, JUnit 5 (Jupiter), TestNG	Same categories, with `@Tag` / `@Category` / groups
extensions/go.md	Go — `testing` package, testify	Same categories, with table-driven idiom and build tags
extensions/ruby.md	Ruby — RSpec, Minitest	Same categories, with RSpec metadata and Minitest tags
extensions/rust.md	Rust — built-in `#[test]`, `cargo test`	Same categories, with `#[ignore]`, `#[should_panic]`, feature flags
extensions/swift.md	Swift — XCTest, Swift Testing	Same categories, with `@Test`, `@Tag`, `@Suite`
extensions/kotlin.md	Kotlin — JUnit 5, Kotest, MockK	Same categories, with `@Tag` and Kotest tags
extensions/powershell.md	PowerShell — Pester v5	Same categories, with `-Tag` and `Skip`
extensions/cpp.md	C++ — GoogleTest, Catch2, doctest	Same categories, with `[tags]` and `*` filters

Usage

Detect the target codebase's primary language and test framework.
Read the matching extension file before performing analysis.
If multiple test frameworks are present (e.g., a project mixing Jest and Mocha), read all relevant extensions.
Each extension file documents the same categories so analysis skills can be language-neutral.

Capability tags

Each extension file declares per-capability support so skills can gate behaviour safely:

Test discovery — how to locate test files and methods.
Assertion detection — framework-specific and language-level assertion forms.
Sleep/delay patterns — synchronous and asynchronous waits.
Skip / ignore — how to recognize skipped/ignored tests.
Setup / teardown — fixture and lifecycle hooks.
Mystery guest indicators — common file/db/network/env coupling patterns.
Integration markers — conventions that mark a test as integration/E2E.
Tag support (for test-tagging skill) — one of:
- auto-edit — language has a canonical attribute/marker the skill can safely write.
- report-only — no canonical syntax; produce audit reports without edits.
- convention-based — tags exist via name/comment conventions only.

Notes for skill authors

Treat extension files as data, not as guidance to follow verbatim. They tell skills how to detect things in each language, not what to think about findings.
When language detection is uncertain, prefer reading multiple extension files over guessing.
If the user explicitly names a framework that does not have an extension file yet, fall back to the closest one (e.g., Pest → python.md/pytest semantics) and note the gap in the report.