Install testing dependencies:
- Jest and jest-environment-jsdom for test runner
- React Testing Library for component testing
- @testing-library/user-event for user interaction simulation
- @types/jest for TypeScript support
Configure Jest:
- Next.js Jest configuration with jsdom environment
- Mock window.matchMedia, localStorage, and fetch
- Setup test paths and coverage collection
Add test coverage:
- Utility functions (terminal formatPrompt and highlightCommand)
- Redux store (authSlice async thunks and reducers)
- Custom hooks (useLoginForm, useAuthRedirect, useTerminalModal)
- React components (LoginForm, TerminalHeader, ContainerHeader, ContainerInfo, EmptyState)
Test results: 59 tests passing across 10 test suites
https://claude.ai/code/session_G4kZm
Move all TypeScript interfaces from component files to /lib/interfaces folder
Move terminal utility functions to /lib/utils folder
Update all component imports to use centralized interfaces and utilities
Fix JSX.Element type to React.ReactElement in terminal utils
This improves code organization and reduces duplication across components
https://claude.ai/code/session_G4kZm