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Resolve a C# testability obstacle v1.0.0

Use this resource to add a minimal injection point so a C# test can be deterministic

New

  • 467 downloads
  • 207 likes
  • 137 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install csharp-testability-seam

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent proves the obstacle, picks the smallest injection point that keeps the existing API, then writes deterministic tests and checks the full path. It does not refactor nearby code.

Mostly picked by

Updated November 2, 2026

Card for the “Resolve a C# testability obstacle” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: proof of the obstacle and choice of injection point
  • SKILL.md: deterministic tests and output contract

Good fit for

  • A test reads the real file system or the real clock
  • A test depends on Task.Delay and cannot be controlled

Not for

    Tags

    • c#
    • tests
    • testability
    • determinism

    About

    You say

    “This test reads the real time with DateTime.UtcNow. Add the smallest injection point to make it deterministic.”

    Card for the “Resolve a C# testability obstacle” skill

    Skill published by dotnet under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to add a minimal injection point so a C# test can be deterministic
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md14.1 KB

    Origin and licence

    Listed unmodified

    Author
    dotnet
    Source
    github.com/dotnet/skills/tree/586f13f8d898a60583a3364f146a3b6f5a763164/plugins/dotnet-test/skills/testability-obstacle
    Licence
    MIT

    Notice

    « testability-obstacle » (dotnet, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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