This document tracks all testing coverage for this component to ensure comprehensive validation and accessibility compliance. **Last Updated**: 2025-10-19 **Test Coverage**: 90% **Accessibility Score**: WCAG AA Compliant โœ… ## ๐Ÿงช Test Summary ### Unit Tests (Vitest) โœ… **90 unit tests** implemented - Component rendering, properties, events, and methods tested ### โ™ฟ Accessibility Tests โœ… **ARIA attributes and roles tested** โœ… **Disabled state accessibility tested** โœ… **Accessibility documented in Storybook** โœ… **Automated accessibility testing (axe-core)** โœ… **Keyboard interaction testing** ### ๐Ÿ–ฑ๏ธ Interactive Tests (Cypress) โœ… **Component testing** implemented - User interaction testing - Keyboard navigation testing - Responsive behavior testing ### ๐Ÿ“ฑ Responsive & Visual Tests โœ… **Storybook stories** available - 15 visual test scenarios ### ๐Ÿ”ง E2E Integration Tests โš ๏ธ **E2E tests recommended** for complex workflows ## ๐Ÿ“Š Detailed Accessibility Compliance ### WCAG 2.1 AA Requirements โœ… **ARIA Implementation**: Roles, labels, and descriptions properly set โœ… **Keyboard Navigation**: Tab order and keyboard interactions tested โš ๏ธ **Focus Management**: Focus behavior needs validation โœ… **Automated Testing**: axe-core accessibility validation integrated ### Screen Reader Compatibility - โš ๏ธ **Manual testing needed** with VoiceOver, NVDA, and JAWS - Component should announce purpose, state, and interactions clearly - Content should be logically structured for screen readers ## ๐Ÿ“‹ Detailed Unit Test Coverage The following 60 unit tests ensure comprehensive validation of the component: ### Basic Functionality - **should create and render correctly**: Should create and render correctly. - **should have default properties**: Should have default properties. ### Properties - **should handle logo text changes**: Should handle logo text changes. - **should handle logo href changes**: Should handle logo href changes. - **should handle logo image**: Should handle logo image. - **should handle extended header mode**: Should handle extended header mode. - **should handle search placeholder**: Should handle search placeholder. ### Rendering - **should render header with correct structure**: Should render header with correct structure. - **should render navigation items**: Should render navigation items. - **should render navigation with submenus**: Should render navigation with submenus. - **should render search when enabled**: Verifies search renders correctly when enabled - **should not render search when disabled**: Ensures component does not render search when disabled ### Mobile Menu - **should toggle mobile menu**: Should toggle mobile menu. - **should close mobile menu when close button clicked**: Should close mobile menu when close button clicked. - **should dispatch mobile menu toggle event**: Should dispatch mobile menu toggle event. - **should close mobile menu when clicking outside**: Should close mobile menu when clicking outside. ### Navigation Events - **should dispatch nav-click event**: Should dispatch nav-click event. - **should toggle submenu on button click**: Should toggle submenu on button click. - **should close other submenus when opening one**: Should close other submenus when opening one. ### Search Functionality - **should dispatch search event on form submit**: Should dispatch search event on form submit. ### ARIA and Accessibility - **should have correct ARIA attributes**: Should have correct ARIA attributes. - **should have skip navigation link**: Should have skip navigation link. - **should have proper search label**: Should have proper search label. - **should have home link with proper ARIA**: Should have home link with proper ARIA. - **should pass comprehensive accessibility tests (same as Storybook)**: Should pass comprehensive accessibility tests (same as Storybook). ### Comprehensive Slotted Content Validation - **should support secondary slot content**: Should support secondary slot content. - **should render complex secondary slot content**: Should render complex secondary slot content. - **should support default slot content**: Should support default slot content. - **should render both secondary and default slots together**: Should render both secondary and default slots together. - **should handle slotted content alongside navigation items**: Should handle slotted content alongside navigation items. - **should maintain slotted content through property changes**: Should maintain slotted content through property changes. - **should support interactive slotted elements**: Should support interactive slotted elements. ### Event Cleanup - **should remove event listeners on disconnect**: Should remove event listeners on disconnect. ### Complex Navigation - **should handle nested navigation items**: Should handle nested navigation items. ### Federal Agency Navigation - **should handle cabinet department navigation**: Should handle cabinet department navigation. - **should handle independent agency navigation**: Should handle independent agency navigation. - **should handle state application navigation**: Should handle state application navigation. - **should handle local application navigation**: Should handle local application navigation. ### Emergency Management Navigation - **should handle emergency management agency header**: Should handle emergency management agency header. - **should handle disaster response header with emergency contact**: Should handle disaster response header with emergency contact. ### Healthcare Government Sites - **should handle CDC navigation structure**: Should handle CDC navigation structure. - **should handle VA medical center navigation**: Should handle VA medical center navigation. ### Education Government Sites - **should handle Department of Education navigation**: Should handle Department of Education navigation. - **should handle school district navigation**: Should handle school district navigation. ### Multilingual Government Sites - **should handle multilingual organization header**: Should handle multilingual organization header. - **should handle international affairs navigation**: Should handle international affairs navigation. ### Government Accessibility Features - **should handle high-contrast accessibility requirements**: Should handle high-contrast accessibility requirements. - **should support assistive technology with proper labeling**: Should support assistive technology with proper labeling. ### Government Performance & Security - **should handle large application navigation efficiently**: Should handle large application navigation efficiently. - **should handle secure government links**: Should handle secure government links. ### Government Event Integration - **should handle government analytics tracking**: Should handle government analytics tracking. - **should integrate with government content management systems**: Should integrate with government content management systems. ### Component Lifecycle Stability (CRITICAL) - **should remain in DOM after property updates (not auto-dismiss)**: Should remain in DOM after property updates (not auto-dismiss). - **should maintain component state during rapid property changes**: Should maintain component state during rapid property changes. - **should handle complex navigation updates without disconnection**: Should handle complex navigation updates without disconnection. ### Event System Stability (CRITICAL) - **should not interfere with other components after event handling**: Should not interfere with other components after event handling. - **should properly clean up event listeners on disconnect**: Should properly clean up event listeners on disconnect. - **should handle event pollution without component removal**: Should handle event pollution without component removal. ### JavaScript Implementation Validation - **should pass JavaScript implementation validation**: Should pass JavaScript implementation validation. ### Storybook Integration (CRITICAL) - **should render in Storybook without auto-dismissing**: Should render in Storybook without auto-dismissing. ## ๐Ÿšจ Testing Gaps & Recommendations ### โœ… Good Coverage Component has solid test coverage. Continue maintaining and expanding as needed. ## ๐Ÿ“ Test Maintenance - Tests are automatically tracked when test files change - Run `npm run test` for unit tests - Run `npm run cypress:run` for interactive tests - View `npm run storybook` for visual tests - Accessibility tests integrated in CI/CD pipeline --- _This testing registry is automatically maintained by git hooks and scripts._ _See `docs/TESTING_DOCUMENTATION.md` for automation details._