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Protocol contract tests v1.0.0

Use this resource to write contract tests that every protocol implementation must pass

New

  • 472 downloads
  • 101 likes
  • 191 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install protocol-contract-tests

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 identifies the protocol, defines its expected behaviors, then writes a test suite that applies to each implementation. You get guardrails to swap implementations, such as CoreData to SwiftData, without regressions.

Mostly picked by

Updated November 2, 2026

Card for the “Protocol contract tests” skill

Details

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

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What you get

  • SKILL.md: three-phase method from protocol to invariants
  • SKILL.md: sample contract for a data store

Good fit for

  • You have a real service and a mock for the same protocol
  • You want to replace an implementation safely

Not for

    Tags

    • tests
    • protocol
    • contract
    • swift

    About

    You say

    “Write contract tests for my DataStore protocol covering the mock and the SwiftData version.”

    Card for the “Protocol contract tests” skill

    Skill published by rshankras 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 write contract tests that every protocol implementation must pass
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md8.2 KB

    Origin and licence

    Listed unmodified

    Author
    rshankras
    Source
    github.com/rshankras/claude-code-apple-skills/tree/9ffb83138209057875698dd11c1720c657c47a92/skills/testing/test-contract
    Licence
    MIT

    Notice

    « test-contract » (rshankras, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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