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Unit testing ExceptionHandler and ControllerAdvice v1.0.0

Use this resource to write tests for exception handlers and @ControllerAdvice

New

  • 416 downloads
  • 222 likes
  • 160 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install exception-handler-unit-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 tests @ExceptionHandler methods and @ControllerAdvice classes with MockMvc: HTTP codes, JSON response format, field-level validation errors, mocked exceptions and custom error payloads.

Mostly picked by

Updated November 2, 2026

Card for the “Unit testing ExceptionHandler and ControllerAdvice” skill

Details

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

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What you get

  • SKILL.md: test method, error class and unit test
  • references/examples.md: handler and error DTO examples

Good fit for

  • You want to guarantee the error format of your REST API
  • A @ControllerAdvice must return the right HTTP code for each exception

Not for

    Tags

    • controlleradvice
    • exceptions
    • rest
    • unit tests

    About

    You say

    “Test the @ControllerAdvice that returns a 404 with a JSON message for unknown orders.”

    Card for the “Unit testing ExceptionHandler and ControllerAdvice” skill

    Skill published by giuseppe-trisciuoglio 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 tests for exception handlers and @ControllerAdvice
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/examples.md3.2 KB
    • SKILL.md6.3 KB

    Origin and licence

    Listed unmodified

    Author
    giuseppe-trisciuoglio
    Source
    github.com/giuseppe-trisciuoglio/developer-kit/tree/fe73fb33a09ee6562eeec7415a3f9a3bcf795177/plugins/developer-kit-java/skills/unit-test-exception-handler
    Licence
    MIT

    Notice

    « unit-test-exception-handler » (giuseppe-trisciuoglio, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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