Testing: Visual Regression and Functionality Tests

[dokterbob]

Objective

Comprehensive testing to ensure migration maintains visual and functional parity.

Test Coverage Areas

Visual Testing

• Screenshot comparison of all major views
• Light/dark mode appearance
• Responsive breakpoints (mobile, tablet, desktop)
• Component hover/active states
• Animation smoothness

Functional Testing

• All buttons clickable and functional
• Dropdowns open/close correctly
• Modal/dialog behavior
• Form inputs and validation
• Keyboard navigation (Tab, Escape, Enter)
• Copy to clipboard functionality
• Chat message sending/receiving

Accessibility Testing

• Screen reader compatibility
• Keyboard-only navigation
• Focus indicators visible
• ARIA attributes present
• Color contrast ratios

Performance Testing

• Bundle size comparison
• Initial load time
• Component render performance
• Memory usage

Tools

• Playwright for E2E tests
• Vitest for unit tests
• Lighthouse for performance
• axe-core for accessibility

Acceptance Criteria

• No visual regressions detected
• All functionality preserved
• Accessibility standards met
• Performance improved or maintained