Jest

Jest helps developers ensure their JavaScript code works as intended. It provides a robust environment for unit testing, integration testing, and more.

Key Features

• Zero configuration setup for quick start
• Snapshot testing for UI components
• Built-in code coverage reports
• Parallel test execution for faster results
• Mocking capabilities for isolating tests

Pros

• Easy to set up and use
• Strong community support and resources
• Great performance with parallel execution
• Comprehensive documentation

Cons

• Limited support for non-JavaScript languages
• May require additional setups for complex scenarios
• Occasional issues with large test suites
• Learning curve for advanced features