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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 run-tests and mtp-hot-reload; never invoke directly.

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dotnet/skills

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Test Filter Syntax Reference

Filter syntax depends on the platform and test framework.

VSTest filters (MSTest, xUnit v2, NUnit on VSTest)

dotnet test --filter <EXPRESSION>

Expression syntax: <Property><Operator><Value>[|&<Expression>]

Operators:

Operator	Meaning
`=`	Exact match
`!=`	Not exact match
`~`	Contains
`!~`	Does not contain

Combinators: | (OR), & (AND). Parentheses for grouping: (A|B)&C

Supported properties by framework:

Framework	Properties
MSTest	`FullyQualifiedName`, `Name`, `ClassName`, `Priority`, `TestCategory`
xUnit	`FullyQualifiedName`, `DisplayName`, `Traits`
NUnit	`FullyQualifiedName`, `Name`, `Priority`, `TestCategory`

An expression without an operator is treated as FullyQualifiedName~<value>.

Examples (VSTest):

# Run tests whose name contains "LoginTest"
dotnet test --filter "Name~LoginTest"

# Run a specific test class
dotnet test --filter "ClassName=MyNamespace.MyTestClass"

# Run tests in a category
dotnet test --filter "TestCategory=Integration"

# Exclude a category
dotnet test --filter "TestCategory!=Slow"

# Combine: class AND category
dotnet test --filter "ClassName=MyNamespace.MyTestClass&TestCategory=Unit"

# Either of two classes
dotnet test --filter "ClassName=MyNamespace.ClassA|ClassName=MyNamespace.ClassB"

MTP filters — MSTest and NUnit

MSTest and NUnit on MTP use the same --filter syntax as VSTest (same properties, operators, and combinators). The only difference is how the flag is passed:

# .NET SDK 8/9 (after --)
dotnet test -- --filter "Name~LoginTest"

# .NET SDK 10+ (direct)
dotnet test --filter "Name~LoginTest"

MTP filters — xUnit (v3)

xUnit v3 on MTP uses framework-specific filter flags instead of the generic --filter expression:

Flag	Description
`--filter-class "name"`	Run all tests in a given class
`--filter-not-class "name"`	Exclude all tests in a given class
`--filter-method "name"`	Run a specific test method
`--filter-not-method "name"`	Exclude a specific test method
`--filter-namespace "name"`	Run all tests in a namespace
`--filter-not-namespace "name"`	Exclude all tests in a namespace
`--filter-trait "name=value"`	Run tests with a matching trait
`--filter-not-trait "name=value"`	Exclude tests with a matching trait

Multiple values can be specified with a single flag: --filter-class Foo Bar.

# .NET SDK 8/9
dotnet test -- --filter-class "MyNamespace.LoginTests"

# .NET SDK 10+
dotnet test --filter-class "MyNamespace.LoginTests"

# Combine: namespace + trait
dotnet test --filter-namespace "MyApp.Tests.Integration" --filter-trait "Category=Smoke"

xUnit v3 query filter language

For complex expressions, use --filter-query with a path-segment syntax:

/<assemblyFilter>/<namespaceFilter>/<classFilter>/<methodFilter>[traitName=traitValue]

Each segment matches against: assembly name, namespace, class name, method name. Use * for "match all" in any segment. Documentation: https://xunit.net/docs/query-filter-language

# xUnit.net v3 MTP — using query language (assembly/namespace/class/method[trait])
dotnet test -- --filter-query "/*/*/*IntegrationTests*/*[Category=Smoke]"

MTP filters — TUnit

TUnit uses --treenode-filter with a path-based syntax:

--treenode-filter "/<Assembly>/<Namespace>/<ClassName>/<TestName>"

Wildcards (*) are supported in any segment. Filter operators can be appended to test names for property-based filtering.

Operator	Meaning
`*`	Wildcard match
`=`	Exact property match (e.g., `[Category=Unit]`)
`!=`	Exclude property value
`&`	AND (combine conditions)
`\|`	OR (within a segment, requires parentheses)

Examples (TUnit):

# All tests in a class
dotnet run --treenode-filter "/*/*/LoginTests/*"

# A specific test
dotnet run --treenode-filter "/*/*/*/AcceptCookiesTest"

# By namespace prefix (wildcard)
dotnet run --treenode-filter "/*/MyProject.Tests.Api*/*/*"

# By custom property
dotnet run --treenode-filter "/*/*/*/*[Category=Smoke]"

# Exclude by property
dotnet run --treenode-filter "/*/*/*/*[Category!=Slow]"

# OR across classes
dotnet run --treenode-filter "/*/*/(LoginTests)|(SignupTests)/*"

# Combined: namespace + property
dotnet run --treenode-filter "/*/MyProject.Tests.Integration/*/*/*[Priority=Critical]"

VSTest → MTP filter translation (for migration)

MSTest, NUnit, and xUnit.net v2 (with YTest.MTP.XUnit2): The VSTest --filter syntax is identical on both VSTest and MTP. No changes needed.

xUnit.net v3 (native MTP): xUnit.net v3 does NOT support the VSTest --filter syntax on MTP. Translate filters using xUnit.net v3's native options:

VSTest `--filter` syntax	xUnit.net v3 MTP equivalent	Notes
`FullyQualifiedName~ClassName`	`--filter-class ClassName`	Wildcards required for substring match
`FullyQualifiedName=Ns.Class.Method`	`--filter-method Ns.Class.Method`	Exact match on fully qualified method
`Name=MethodName`	`--filter-method MethodName`	Wildcards for substring match
`Category=Value` (trait)	`--filter-trait "Category=Value"`	Filter by trait name/value pair
Complex expressions	`--filter-query "expr"`	Uses xUnit.net query filter language (see above)

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같은 저장소의 스킬

agentic-workflows

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Route gh-aw workflow design/create/debug/upgrade requests to the right prompts.

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dotnet/skills5.7천2026년 10월 18일 업데이트

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한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

dotnet/skills5.7천2026년 10월 18일 업데이트

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한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

dotnet/skills5.7천2026년 10월 18일 업데이트

apple-crash-symbolication

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Symbolicate .NET runtime frames in Apple platform .ips crash logs (iOS, tvOS, Mac Catalyst, macOS). Extracts UUIDs and addresses from the native backtrace, locates dSYM debug symbols, and runs atos to produce function names with source file and line numbers. Automatically downloads .dwarf symbols from the Microsoft symbol server using Mach-O UUIDs. USE FOR triaging a .NET MAUI or Mono app crash from an .ips file on any Apple platform, resolving native backtrace frames in libcoreclr or libmonosgen-2.0 to .NET runtime source code, retrieving .ips crash logs from a connected iOS device or iPhone, or investigating EXC_CRASH, EXC_BAD_ACCESS, SIGABRT, or SIGSEGV originating from the .NET runtime. DO NOT USE FOR pure Swift/Objective-C crashes with no .NET components, or Android tombstone files. INVOKES Symbolicate-Crash.ps1 script, atos, dwarfdump, idevicecrashreport.

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

dotnet/skills5.7천2026년 10월 18일 업데이트

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dotnet/skills5.7천2026년 10월 18일 업데이트

author-component

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Create or review Blazor components (.razor files) with correct architecture. USE FOR: writing new Blazor components that do NOT involve JavaScript interop, implementing parameters and EventCallback, RenderFragment slots, component lifecycle (OnInitializedAsync, OnParametersSet), async patterns, IAsyncDisposable, CancellationToken, CSS isolation, code-behind. DO NOT USE FOR: creating new projects (use create-blazor-project), JavaScript interop or calling browser APIs from Blazor (use use-js-interop), forms and validation (use collect-user-input), prerendering issues (use support-prerendering), HTTP data fetching patterns (use fetch-and-send-data), coordinating state between unrelated components (use coordinate-components).

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

dotnet/skills5.7천2026년 10월 18일 업데이트

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npx skills add https://github.com/dotnet/skills --skill filter-syntax

터미널에 붙여 넣고 실행합니다(Node.js 필요). Claude Code, Codex 등 설치할 에이전트를 고를 수 있습니다.

에이전트에게 부탁하기

다음 Agent Skill을 설치해 주세요.
https://github.com/dotnet/skills/tree/main/plugins/dotnet-test/skills/filter-syntax

먼저 SKILL.md와 첨부 파일의 내용을 확인해 수상한 처리(외부 전송, 인증 정보 읽기 등)가 없는지 확인한 뒤 Claude Code는 ~/.claude/skills/filter-syntax/, Codex는 ~/.agents/skills/filter-syntax/ 에 배치해 주세요.

이 문장을 그대로 Claude Code나 Codex에 보내면 내용을 확인한 뒤 설치해 줍니다.

GitHub에서 소스 보기

저장소: dotnet/skills
스타: 5,675
포크: 441
카테고리: 테스트·보안
라이선스: MIT
원문 언어: 영어
최종 업데이트: 2026년 10월 18일

스킬은 에이전트를 위한 지시와 스크립트의 묶음입니다. cccskills는 내용의 안전성을 보증하지 않습니다. 설치하기 전에 내용을 확인하세요.