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… **74 unit tests** implemented - Component rendering, properties, events, and methods tested ### โ™ฟ Accessibility Tests โœ… **ARIA attributes and roles tested** โœ… **Keyboard navigation tested** โœ… **Focus management 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 - 14 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 โœ… **Focus Management**: Focus states and indicators working 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: ### Default Properties - **should have correct default properties**: Should have correct default properties. ### Basic Content Rendering - **should render heading when provided**: Verifies heading renders correctly when provided - **should render text content when provided**: Verifies text content renders correctly when provided - **should render footer text when provided**: Verifies footer text renders correctly when provided - **should not render sections when content is empty**: Ensures component does not render sections when content is empty ### Heading Levels - **should render different heading levels correctly**: Should render different heading levels correctly. - **should default to h3 heading level**: Should default to h3 heading level. ### Media Rendering - **should render image media when configured**: Verifies image media renders correctly when configured - **should render video media when configured**: Verifies video media renders correctly when configured - **should not render media when type is none**: Ensures component does not render media when type is none - **should not render media when src is empty**: Ensures component does not render media when src is empty ### Media Position Classes - **should apply inset media class**: Should apply inset media class. - **should apply exdent media class**: Should apply exdent media class. - **should apply media-right class to card when mediaPosition is right**: Should apply media-right class to card when mediaPosition is right. - **should automatically enable flag layout when mediaPosition is right**: Should automatically enable flag layout when mediaPosition is right. ### Card Layout Variants - **should apply flag layout class**: Should apply flag layout class. - **should apply header-first class**: Should apply header-first class. - **should apply multiple layout classes together**: Should apply multiple layout classes together. - **should always have base usa-card class**: Should always have base usa-card class. ### Actionable Cards - **should add role and tabindex when actionable**: Should add role and tabindex when actionable. - **should remove role and tabindex when not actionable**: Should remove role and tabindex when not actionable. - **should apply actionable container class**: Should apply actionable container class. ### Event Handling - **should dispatch card-click event when actionable card is clicked**: Ensures card-click event event is dispatched when actionable card is clicked - **should not dispatch card-click event when not actionable**: Ensures component does not dispatch card-click event when not actionable - **should handle keyboard events on actionable cards**: Tests keyboard event handling and response - **should not handle keyboard events when not actionable**: Ensures component does not handle keyboard events when not actionable ### Content Order and Layout - **should render content in default order**: Should render content in default order. - **should render header first when headerFirst is true**: Verifies header first renders correctly when headerFirst is true - **should handle media-right non-flag layout differently**: Should handle media-right non-flag layout differently. ### Comprehensive Slotted Content Validation - **should render body slot content correctly**: Should render body slot content correctly. - **should render footer slot content correctly**: Should render footer slot content correctly. - **should render both body and footer slots together**: Should render both body and footer slots together. - **should work with assertSlottedContentWorks helper**: Should work with assertSlottedContentWorks helper. - **should handle complex slotted content**: Should handle complex slotted content. - **should support default slot content**: Should support default slot content. ### USWDS CSS Classes - **should always have base usa-card class on host**: Should always have base usa-card class on host. - **should have correct container structure**: Should have correct container structure. - **should apply proper USWDS structure**: Should apply proper USWDS structure. ### Light DOM Rendering - **should render in light DOM for USWDS compatibility**: Should render in light DOM for USWDS compatibility. ### Property Updates - **should update host classes when layout properties change**: Should update host classes when layout properties change. - **should update content when properties change**: Should update content when properties change. ### Navigation Handling - **should include href in card-click event when actionable**: Should include href in card-click event when actionable. - **should handle target _blank attribute**: Should handle target _blank attribute. ### Event Listener Management - **should add event listeners when connected**: Should add event listeners when connected. - **should remove event listeners when disconnected**: Should remove event listeners when disconnected. ### CRITICAL: Component Lifecycle Stability - **should remain in DOM after property changes**: Should remain in DOM after property changes. - **should maintain element stability during card content updates**: Should maintain element stability during card content updates. - **should preserve DOM connection through layout property changes**: Should preserve DOM connection through layout property changes. ### CRITICAL: Event System Stability - **should not pollute global event handling**: Should not pollute global event handling. - **should maintain stability during card click interactions**: Should maintain stability during card click interactions. - **should maintain stability during actionable state changes**: Should maintain stability during actionable state changes. ### CRITICAL: Card State Management Stability - **should maintain DOM connection during media configuration changes**: Should maintain DOM connection during media configuration changes. - **should preserve element stability during complex card updates**: Should preserve element stability during complex card updates. - **should maintain stability during heading level changes**: Should maintain stability during heading level changes. ### CRITICAL: Storybook Integration - **should render in Storybook-like environment without auto-dismiss**: Should render in Storybook-like environment without auto-dismiss. - **should handle Storybook args updates without component removal**: Should handle Storybook args updates without component removal. - **should maintain stability during complex Storybook interactions**: Should maintain stability during complex Storybook interactions. ### JavaScript Implementation Validation - **should pass JavaScript implementation validation**: Should pass JavaScript implementation validation. ### Accessibility - **should pass comprehensive accessibility tests (same as Storybook)**: Should pass comprehensive accessibility tests (same as Storybook). - **should pass comprehensive USWDS compliance tests (prevents structural issues)**: Should pass comprehensive USWDS compliance tests (prevents structural issues). ## 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._