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Jest testing best practices v1.0.0

Use this resource to write reliable Jest tests for JavaScript or TypeScript

New

  • 390 downloads
  • 233 likes
  • 246 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install jest-testing-best-practices-2

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 organizes tests with describe and explicit names, follows the Arrange-Act-Assert pattern, isolates tests with beforeEach and afterEach, uses jest.mock and tracks coverage. You get a readable, isolated test suite.

Mostly picked by

Updated November 2, 2026

Card for the “Jest testing best practices” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: test structure and setup
  • SKILL.md: mocks, assertions and async tests

Good fit for

  • You add unit tests to a TypeScript project
  • Your tests affect each other

Not for

    Tags

    • Jest
    • tests
    • mocks
    • coverage

    About

    You say

    “Write Jest tests for this service with API mocks and error cases.”

    Card for the “Jest testing best practices” skill

    Skill published by mindrally under the Apache-2.0 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 reliable Jest tests for JavaScript or TypeScript
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE11.3 KB
    • NOTICE-PALATEKIT.md0.4 KB
    • SKILL.md2.5 KB

    Origin and licence

    Listed unmodified

    Author
    mindrally
    Source
    github.com/mindrally/skills/tree/7682ca77710e0971eab4e0ae5dddfa281aea0ba5/jest
    Licence
    Apache-2.0

    Notice

    « jest » (mindrally, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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