Individual skill

managing-snapshot-tests

Create and validate component snapshots for UI regression testing. Use when performing specialized testing. Trigger with phrases like "update snapshots", "test UI snapshots", or "validate component snapshots".

plugins/testing/snapshot-test-manager/skills/managing-snapshot-tests/SKILL.md

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# Snapshot Test Manager

## Overview

Create, update, and maintain snapshot tests for UI components and data structures using Jest, Vitest, or pytest snapshot plugins. Manages serialized output snapshots (HTML, JSON, component trees) to detect unexpected changes in rendered output.

## Prerequisites

- Jest or Vitest with built-in snapshot support, or `pytest-snapshot`/`syrupy` for Python
- React Testing Library, Vue Test Utils, or equivalent for component rendering
- Snapshot files committed to version control (`.snap` files or `__snapshots__/` directory)
- Component library with stable prop interfaces
- Code review process that includes snapshot diff review

## Instructions
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