Microsoft 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-taggingskill) — 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.