Overview

Comprehensive testing, validation, and cleanup after the MUI to shadcn/ui migration.

Parent Issue: #18993
Estimated Duration: 3-5 days
Priority: High
Depends on: All previous migration tasks

Testing Scope

Component Testing

• All migrated components function correctly
• Props and APIs work as expected
• Event handlers and interactions work
• Loading and error states display properly
• Accessibility features maintained

Visual Testing

• No visual regressions
• Consistent styling across components
• Proper spacing and alignment
• Color scheme consistency
• Typography consistency

Integration Testing

• Form submissions work correctly
• Navigation flows function
• Data fetching and display
• User interactions complete successfully
• State management works properly

Tasks

Day 1: Component Validation

• Test all Button variants and states
• Validate TextField/Input functionality
• Check Tooltip positioning and behavior
• Test Table sorting, filtering, pagination
• Validate form components and validation
• Check navigation components (menus, dialogs)
• Test data display components
• Validate icon replacements

Day 2: Visual Regression Testing

• Screenshot comparison testing
• Cross-browser visual validation
• Mobile responsiveness testing
• Dark/light mode consistency
• Print styles validation
• High contrast mode testing

Day 3: Integration & E2E Testing

• User authentication flows
• Workspace creation and management
• Template management workflows
• Settings and configuration
• Admin panel functionality
• Dashboard interactions

Day 4: Performance & Accessibility

• Bundle size analysis and optimization
• Runtime performance testing
• Accessibility audit (WCAG compliance)
• Screen reader testing
• Keyboard navigation testing
• Focus management validation

Day 5: Cleanup & Documentation

• Remove unused MUI dependencies
• Clean up unused CSS and imports
• Update component documentation
• Create migration summary report
• Update development guidelines
• Final code review and cleanup

Testing Tools

Automated Testing

• Jest: Unit and integration tests
• React Testing Library: Component testing
• Playwright: E2E testing
• Chromatic: Visual regression testing
• Lighthouse: Performance auditing

Manual Testing

• Browser DevTools: Performance analysis
• Screen Readers: Accessibility testing
• Mobile Devices: Responsive testing
• Different Browsers: Cross-browser compatibility

Performance Metrics

Bundle Size Analysis

• Compare before/after bundle sizes
• Analyze tree-shaking effectiveness
• Check for unused dependencies
• Optimize import statements

Runtime Performance

• Component render performance
• Memory usage analysis
• First Contentful Paint (FCP)
• Largest Contentful Paint (LCP)
• Cumulative Layout Shift (CLS)

Accessibility Validation

WCAG 2.1 AA Compliance

• Color contrast ratios
• Keyboard navigation
• Screen reader compatibility
• Focus indicators
• Alternative text for images
• Form labels and descriptions

Testing Tools

• axe-core: Automated accessibility testing
• WAVE: Web accessibility evaluation
• Screen readers: NVDA, JAWS, VoiceOver
• Keyboard-only navigation: Tab order testing

Browser Compatibility

Target Browsers

• Chrome (latest 2 versions)
• Firefox (latest 2 versions)
• Safari (latest 2 versions)
• Edge (latest 2 versions)

Mobile Testing

• iOS Safari
• Chrome Mobile
• Samsung Internet
• Firefox Mobile

Cleanup Tasks

Dependency Cleanup

• Remove @mui/material
• Remove @mui/icons-material
• Remove @mui/system
• Remove @mui/utils
• Remove @emotion/react
• Remove @emotion/styled
• Remove @emotion/css
• Update package.json

Code Cleanup

• Remove unused imports
• Clean up commented code
• Remove temporary migration code
• Update TypeScript types
• Optimize component exports

Documentation Updates

Component Documentation

• Update Storybook stories
• Create component usage examples
• Document new prop interfaces
• Update accessibility guidelines

Development Documentation

• Update setup instructions
• Document new styling patterns
• Create troubleshooting guide
• Update contributing guidelines

Acceptance Criteria

• All tests pass (unit, integration, E2E)
• No visual regressions detected
• Performance metrics meet or exceed baseline
• Accessibility standards maintained (WCAG 2.1 AA)
• Cross-browser compatibility verified
• Mobile responsiveness confirmed
• Bundle size optimized
• Documentation updated
• Code cleanup completed
• Migration summary report created

Risk Mitigation

Rollback Plan

• Maintain feature flags for gradual rollout
• Keep MUI dependencies available for emergency rollback
• Document any breaking changes
• Have monitoring in place for production issues

Monitoring

• Set up error tracking for new components
• Monitor performance metrics post-deployment
• Track user feedback and bug reports
• Monitor bundle size and loading times

Success Metrics

• Bundle Size: 20-30% reduction expected
• Performance: Maintain or improve Core Web Vitals
• Accessibility: 100% WCAG 2.1 AA compliance
• Test Coverage: Maintain >90% coverage
• Zero Regressions: No functionality lost

Final Deliverables

• Migration completion report
• Performance analysis report
• Updated component library documentation
• Team training materials
• Post-migration monitoring plan