Phase 1.3: Implement Error Boundaries with Comprehensive Testing#19
Merged
AccessiT3ch merged 6 commits intomainfrom Feb 1, 2026
Merged
Phase 1.3: Implement Error Boundaries with Comprehensive Testing#19AccessiT3ch merged 6 commits intomainfrom
AccessiT3ch merged 6 commits intomainfrom
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- Create ErrorBoundary class component with fallback UI - Add user-friendly error messages and recovery actions - Include Report Issue button linking to GitHub Issues - Show error details in development mode only - Add styling with mobile responsiveness - Include comprehensive test coverage (5 tests) Part of Phase 1.3: Error Boundaries
- Add ErrorBoundary wrapper around BrowserRouter - Implement global error handler with logging - Prepare for optional analytics integration - Remove commented Redux code for cleaner codebase Part of Phase 1.3: Error Boundaries
- Wrap Header, Rights, Resources, Share, Footer in ErrorBoundaries - Enable isolated error handling per section - Prevent single component errors from crashing entire app - Improve app resilience and user experience Completes Phase 1.3: Error Boundaries
…tegration (5 tests) - Basic rendering tests for children with/without errors - Error handling in dev/prod modes and lifecycle methods - Callback tests for onError with errorInfo - Custom fallback rendering tests - User action tests (reload, go home, report issue) - Accessibility tests (semantic HTML, ARIA roles, icons) - Nested boundary tests for error isolation - App integration tests for section-level error boundaries - All 55 tests passing
- Marked all tasks complete with checkmarks - Added PR #16 reference - Added branch, commits, and test metrics - Documented 4 commits and 29 new tests (55 total passing)
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Pull request overview
This PR implements comprehensive error boundary functionality to prevent application crashes and provide graceful error recovery. The implementation includes both root-level and section-level error boundaries with user-friendly fallback UI, extensive test coverage (29 new tests), and proper accessibility features.
Changes:
- New ErrorBoundary component with development/production modes, user recovery actions, and optional custom fallback UI
- Root-level ErrorBoundary wrapping in index.jsx with global error handler
- Section-level ErrorBoundaries for Header, Rights, Resources, Share, and Footer in App.jsx
- Mobile-responsive styling with Bootstrap integration
- 29 comprehensive tests covering error handling, callbacks, accessibility, and nested boundary isolation
Reviewed changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| src/Components/ErrorBoundary/ErrorBoundary.jsx | Class-based error boundary component with fallback UI, recovery actions (reload, home, report), and dev/prod mode handling |
| src/Components/ErrorBoundary/errorBoundary.scss | Mobile-responsive styles for error UI with Bootstrap integration |
| src/Components/ErrorBoundary/errorBoundary.test.jsx | Comprehensive test suite (24 tests) covering rendering, error handling, callbacks, custom fallback, user actions, accessibility, and nested boundaries |
| src/index.jsx | Root-level ErrorBoundary wrapper with global error handler for analytics |
| src/App/App.jsx | Section-level ErrorBoundaries wrapping Header, Rights, Resources, Share, and Footer for error isolation |
| src/App/app.integration.test.jsx | Integration tests (5 tests) verifying ErrorBoundary wrapping and component hierarchy |
| workplan.md | Updated Phase 1.3 tasks as completed with implementation details |
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Summary
Implements Phase 1.3 of the workplan with comprehensive error boundary implementation and extensive test coverage.
Changes
New Components
children,fallback(custom UI),onError(callback)Styling
Integration
<App />in ErrorBoundary in index.jsxTesting (29 new tests, 55 total passing)
ErrorBoundary Tests ([errorBoundary.test.jsx](src/Components/ErrErrorBoundary Tests ([errorBoundary.test.jsx](src/Components/ErrErrorBoundary Tests ([errorBoundary.test.hanErr (dev/pErrorBoundifecyclErrorBoundary Tests ([errorBoundary.test.jsx](src/Components/ErrErrorBoundary Tests ([errstoErrorBoundary Tests ([errorBoundary.test.jsx](src/t issue)
App InApp InApp InApp InApp InApp InApp InApp InAptegratiApp InApp InApp InApp InApp InApp InApp InApp InAptegrrorBoundary wrapping verification
Test Results
Benefits
test: add comprehensive tests for ErrorBoundary (24 tests) and App integration (5 tests)docs: update workplan with Phase 1.3 completion statusRelated