Overview

Jest is a delightful JavaScript testing framework with a focus on simplicity. It works with projects using Babel, TypeScript, Node, React, Angular, Vue, and more.

Key Features

• Zero Configuration: Works out of the box for most JavaScript projects
• Snapshot Testing: Capture and verify UI changes over time
• Code Coverage: Built-in code coverage reporting
• Parallel Testing: Fast test execution in parallel

Use Cases

• Unit testing
• Integration testing
• Snapshot testing
• Test-driven development