Automatically generates Jest snapshot tests for React components by analyzing props and rendering logic.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install snapshot-writer
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install snapshot-writer using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Snapshot Test Writer?
Snapshot Test Writer is a specialized developer tool designed to automate the creation of Jest snapshot tests for React applications. By analyzing your component signatures and prop interfaces, it removes the tedious boilerplate work typically associated with UI testing. This tool is a valuable addition to any developer's Openclaw Skills, allowing for rapid generation of regression tests that ensure UI consistency across code changes and refactors.
As part of a modern development workflow, this utility helps maintain high code quality without the manual overhead. It handles complex component structures, including those with context providers and specific wrapper requirements, making it a robust solution for both individual components and large-scale component libraries.
Snapshot Test Writer Use Cases
- Creating regression protection for shared component libraries.
- Rapidly updating test suites after a major UI redesign or theme change.
- Ensuring rendering stability during complex logic refactors.
- Meeting strict team testing mandates without spending hours writing manual assertions.
How Snapshot Test Writer Works
- The utility parses target React component files to extract signatures and prop interfaces.
- It analyzes the code to identify necessary dependencies, including context providers and wrappers.
- The tool generates test cases covering both default states and various prop edge cases.
- It produces a .test.tsx file featuring Jest-compatible toMatchSnapshot assertions.
- The generated tests are saved to the specified directory, ready to be executed via your local test runner.
Snapshot Test Writer Setup
No permanent installation is required to start using this tool with your Openclaw Skills. You can run it directly using npx:
# Scan a specific directory for components
npx ai-snapshot-test src/components/
# Target a single file
npx ai-snapshot-test src/components/Button.tsx
# View help and configuration options
npx ai-snapshot-test --help
Snapshot Test Writer Data Schema & Taxonomy
The tool processes React files and outputs structured test files as follows:
| Component Attribute | Processing Logic |
|---|---|
| Props | Automatically mapped to test case variables using TypeScript definitions. |
| Dependencies | Context and provider wrappers are identified for rendering setup. |
| Output Format | Standard Jest .test.tsx files using the toMatchSnapshot API. |
| File Targeting | Supports individual files or directory-wide glob patterns. |
Snapshot Test Writer Advanced Features
- Intelligent prop detection that creates multiple test scenarios for edge cases.
- Native support for TypeScript-based components and complex prop interfaces.
- Ability to handle components requiring specific context provider environments.
- Zero-config integration designed to work seamlessly with standard Openclaw Skills automation workflows.
SKILL.md
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