microsoft/testfx

binlog-failure-analysis

Diagnose existing MSBuild .binlog failures with MCP/replay; not log capture or non-MSBuild failures.

Langue du texte source : anglais

binlog-generation

Capture and verify unique MSBuild binlogs, quoting '-bl:{}' in PowerShell; not analysis of existing logs.

Langue du texte source : anglais

build-perf-baseline

Measure repeatable cold/changed-input/no-op MSBuild baselines for caching, output layout and graph tuning; not task diagnosis or non-MSBuild builds.

Langue du texte source : anglais

build-perf-diagnostics

Diagnose MSBuild target/task/analyzer bottlenecks from binlogs after baselining; not baseline setup, incremental correctness or parallelism tuning.

Langue du texte source : anglais

copy-to-output-directory

For legacy copy-mode links or direct calls, invoke msbuild for CopyToOutputDirectory guidance.

Langue du texte source : anglais

eval-performance

Diagnose measured MSBuild evaluation costs in globs, imports and properties; not compilation, target-execution or incremental-build problems.

Langue du texte source : anglais

extension-points

Trace MSBuild hook/import discovery and NuGet packed assets; not a single Import/Exists safety verdict, props/targets placement or target incrementality.

Langue du texte source : anglais

incremental-build

Diagnose unnecessary MSBuild target execution via inputs/outputs and no-change builds; not first-build cost, parallelism or evaluation slowness.

Langue du texte source : anglais

msbuild-antipatterns

Review/audit MSBuild XML correctness and maintainability, including F# order and Import safety; not SDK-style migration. Do not edit unless fixes are requested.

Langue du texte source : anglais

code-review

Review pull requests for MSTest and Microsoft.Testing.Platform with TestFx-specific checks. Use for every GitHub Copilot code review in this repository, with extra scrutiny for tests, public APIs, analyzers, MSBuild, localization, and agentic workflows.

Langue du texte source : anglais

testfx-test-value-evidence

Apply the vendored test-value-evidence skill with TestFx toolchain, assertion, parallel-safety, packed-consumer, and review conventions. Use when implementing or reviewing behavior-changing TestFx PRs or commits, including source-only changes.

Langue du texte source : anglais

assertion-quality

Analyze assertion quality, depth, variety, and false confidence in existing tests. ALWAYS USE when asked about weak, shallow, trivial, always-true, self-referential, assertion-free, presence/truthiness-only, or insufficiently diverse assertions, including…

Langue du texte source : anglais

code-testing-agent

Legacy compatibility alias for the code-testing skill. Do not self-activate for user requests and do not treat this name as a custom agent. When invoked explicitly by older instructions, load code-testing and follow it instead.

Langue du texte source : anglais

code-testing-extensions

Provides file paths to language-specific extension files for the code-testing pipeline. Call this skill to discover available extension guidance files (e.g., dotnet.md for .NET, cpp.md for C++). Do not use directly — invoked by code-testing agents and skills…

Langue du texte source : anglais

code-testing

ALWAYS USE for test work that requires changes: write, add, generate, repair, or strengthen tests for existing code in xUnit, MSTest, NUnit, pytest, Vitest/Jest, Go, or another framework. Includes regression cases, failing or flaky tests, coverage-driven…

Langue du texte source : anglais

coverage-analysis

Activation requires either supplied .NET coverage reports/percentages/line, branch, or condition metrics, or an explicit request to collect .NET coverage for analysis. USE FOR: interpreting that evidence, including Cobertura data, partial conditions,…

Langue du texte source : anglais

filter-syntax

Reference-only filter syntax for VSTest and MTP with MSTest, NUnit, xUnit v3, and TUnit. Load only after the platform/framework is known and a consumer needs to create or translate a filter. Do not load for unfiltered runs or platform detection. Used by…

Langue du texte source : anglais

find-untested-sources

MANDATORY for static source-to-test pairing: find or list source files/modules without corresponding tests, or suggest test locations from repository structure. Invoke even for a tiny package; do not substitute manual globbing. Uses Roslyn for C#/.NET and…

Langue du texte source : anglais

grade-tests

Grade a curated list of individual tests for readiness, A-F quality, and concrete improvements. ALWAYS USE FOR: grade tests, review only a named test, per-test readiness decisions, or quality bands for supplied methods, bodies, file spans, or bounded PR…

Langue du texte source : anglais

migrate-static-to-wrapper

ALWAYS USE when asked to migrate, replace, or make testable existing C# static calls with a named wrapper or built-in abstraction: DateTime.UtcNow/Now or DateTimeOffset.UtcNow to TimeProvider/IClock, File.* to IFileSystem or an existing store such as…

Langue du texte source : anglais

mtp-hot-reload

Set up or recover MTP hot reload for a long-lived console-host edit/re-run loop in a Microsoft Testing Platform project. Use for explicit MTP console requests such as "enable hot reload", "dotnet run to rerun on edit", or unsupported/rude edits. Covers setup,…

Langue du texte source : anglais

platform-detection

Identify a .NET project's test platform, framework, command mode, and SDK-style vs classic project system. Use only for "which test platform/framework?", "VSTest or MTP?", or "what runner does this project use?", including bridge settings, UseVSTest opt-outs,…

Langue du texte source : anglais

run-tests

ALWAYS USE before running .NET tests or answering with a test command or flags. Trigger on "run the tests", "exact dotnet test command", one test/class/category/trait/target framework, combined filters, `--filter-query`, `--no-build`, `--diag`, diagnostic…

Langue du texte source : anglais

scaffold-dotnet-test-project

MUST USE when an existing .NET test project was excluded from a .slnf/CI solution filter, disappeared from .sln/.slnx discovery, or lost its production ProjectReference; also for requests to set up, create, reuse, add, register, include, or repair a test…

Langue du texte source : anglais

test-analysis-extensions

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…

Langue du texte source : anglais

test-anti-patterns

Audit a test file or suite; produce a severity-ranked diagnostic report. ALWAYS USE for tests that verify nothing, missing/tautological assertions, swallowed/broad exceptions, flaky/order-dependent tests, duplication, or magic values. Polyglot. DO NOT USE for…

Langue du texte source : anglais

test-gap-analysis

Pseudo-mutation analysis ONLY: answer whether tests would catch a bug if production code changed, which meaningful changes would still pass, or which caller-visible mutations existing assertions would miss; verify candidates when requested, then optionally…

Langue du texte source : anglais

test-smell-detection

Audits existing tests in any language using formal, research-backed test smell names and the testsmells.org 19-smell academic taxonomy. Use when the caller asks for an academic or citable test-smell review, named smell categories, or a formal severity-ranked…

Langue du texte source : anglais

test-tagging

Classifies existing tests by standard traits and reports their distribution. USE FOR: tagging all tests with category attributes, categorizing/tagging/ labeling each test, compare happy vs error paths, audit the test mix, describe coverage shape by test type,…

Langue du texte source : anglais

writing-mstest-tests

ALWAYS USE when asked to fix, rewrite, update, improve, modernize, show corrected code for, or explain existing MSTest tests or MSTest-specific configuration. Use for "review" when corrected code or edits are wanted, even for one pasted assertion or passing…

Langue du texte source : anglais

feature-delivery

Keep TestFx feature research and decision records, challenge material design choices, demonstrate user-visible behavior, and prove regression-test sensitivity with red/green comparisons. Use before new features or material design decisions, when adding…

Langue du texte source : anglais

testfx-acceptance-validation

Validate TestFx shipping paths and capable CI execution using packed consumers, package/cache provenance, exact exits and artifacts, and selected-versus-executed test evidence. Use for acceptance regressions, package/MSBuild/launcher/protocol changes, or…

Langue du texte source : anglais

testfx-parallel-safety-preflight

Check concurrency and isolation before implementing or refactoring TestFx tests, lifecycle code, helpers, shared-state declarations, or production paths those tests exercise. Use before narrowing DoNotParallelize or ResourceLock, changing parallelization…

Langue du texte source : anglais

behavior-preserving-refactor

Preserve observable behavior when splitting files, moving members, consolidating helpers, or simplifying TestFx code. Use for structural refactors and file-diet implementation; inventory baseline semantics and consumers, then run focused equivalence checks.

Langue du texte source : anglais

agentic-workflows

Route gh-aw workflow design/create/debug/upgrade requests and check runtime execution contracts.

Langue du texte source : anglais

testfx-localization-validation

Validate generated TestFx localization catalogs, resource IDs, placeholders and locked tokens. Use for RESX/XLF changes, OneLoc PRs, localization build failures, duplicate targets or units, and orphaned translation entries.

Langue du texte source : anglais

session-delivery-hygiene

Gate local-session scope, persistent delivery, live PR state, integration provenance, and owned cleanup. Use before implementing guidance changes, changing or pushing PR work, diagnosing package/output mismatches, or handing off implementation.

Langue du texte source : anglais

post-release-activities

Systematic activities that need to be performed after a release is done.

Langue du texte source : anglais

msbuild-server

Guide for using MSBuild Server to improve CLI build performance. Activate when developers report slow incremental builds from the command line, or when CLI builds are noticeably slower than IDE builds. Covers MSBUILDUSESERVER=1 environment variable for…

Langue du texte source : anglais