Testing · Nodejs / AGENT SKILL

feature-testing

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Add or update Jest and Node tests and validate backend API or frontend feature changes.
Use when changing backend APIs or frontend features so the assistant adds or updates Jest/Node spec tests and validates the feature. This skill encourages adding tests for new behavior and running the relevant test suites before marking work as complete.

One new superpower.

Run this command in your project to choose an agent and install the skill.

npx skillycli add https://github.com/daidtech/nestjs-blog --skill feature-testingView original source

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The full skill.

Original instructions from the publisher’s SKILL.md

# Feature Testing Skill

## When to use

- Adding a backend API endpoint or changing API request/response behavior
- Adding a frontend feature or changing UI behavior
- Implementing a new feature that needs automated coverage
- Updating validation, authorization, or error handling logic

## What this skill enforces

- Add or update tests for the changed feature
- Prefer tests in `src/**/*.spec.ts`, `test/**/*.spec.ts`, or `web/**/*.spec.ts` / `web/**/*.test.ts`
- Run the relevant suite and confirm the code passes
- If the feature spans both backend and frontend, cover both sides

## Guidance for the assistant

- Review the changed files and identify whether the change is backend or frontend
- Create or update tests that exercise the new behavior
- Use existing test conventions and tools in the repo
- If a test file does not already exist for the feature, add one next to the affected module
- Before returning success, run the applicable tests and report the result

## Examples

- "When adding `/posts/:id/like`, add a backend spec that tests liking and unliking a post."
- "When changing the comment reply UI, add a frontend test for reply selection and submission."

Skill folder

Files included alongside SKILL.md in the publisher’s repository.

SKILL.md