Implement JEST

[JamesonRGrieve]

Implement Jest Unit Testing Framework

Executive Summary

Implement Jest as the primary unit testing framework for the frontend TypeScript/React components and utilities. This implementation will establish a robust testing infrastructure to ensure code quality and reliability.

Acceptance Criteria

• Jest configuration is properly set up with TypeScript support
• Test environment is configured to handle React components
• Testing utilities (react-testing-library) are integrated
• Snapshot testing capability is enabled
• Test scripts are added to package.json

Technical Scope

In Scope

• jest.config.ts configuration
• package.json test script updates
• Test setup files
• Component testing utilities
• Mock implementations for common services

Out of Scope

• E2E testing implementation
• Integration tests
• Performance testing
• Browser compatibility testing

Dependencies

• Jest
• @testing-library/react
• @testing-library/jest-dom
• @types/jest
• ts-jest
• jest-environment-jsdom