jest
Jest is a JavaScript testing framework designed to ensure correctness of any JavaScript codebase. It provides a zero-configuration experience and works great with React, Node.js, and other JavaScript projects.
Jest is a JavaScript testing framework designed to ensure correctness of any JavaScript codebase. It provides a zero-configuration experience and works great with React, Node.js, and other JavaScript projects.
Key Features
Zero Configuration
Works out of the box with sensible defaults
- • Auto test discovery
- • Built-in assertions
- • Coverage reports
Mocking System
Comprehensive mocking capabilities
- • Function mocking
- • Module mocking
- • Timer mocking
Use Cases
jest is widely used in modern development for various applications and scenarios.
Common Applications
- • Unit testing
- • Integration testing
- • Component testing
Getting Started
Jest is incredibly easy to set up. Install via npm, add a test script to package.json, and start writing tests immediately.
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