- Updated `useAuth` tests to use async functions for JSON responses to avoid promise resolution issues.
- Changed `AdminBrandManager` tests to use `mockImplementation` for consistent mock behavior.
- Enhanced `ProfileManager.Authenticated` tests to ensure proper error handling and assertions for partial updates.
- Modified `SystemCheck` tests to prevent memory leaks by using `mockImplementation` for API calls.
- Improved error handling in `ai.routes.ts` by refining validation schemas and adding error extraction utility.
- Updated `auth.routes.test.ts` to inject mock logger for better error tracking.
- Refined `flyer.routes.ts` to ensure proper validation and error handling for flyer ID parameters.
- Enhanced `admin.db.ts` to ensure specific errors are re-thrown for better error management.
- Updated `budget.db.test.ts` to improve mock behavior and ensure accurate assertions.
- Refined `flyer.db.ts` to improve error handling for race conditions during store creation.
- Enhanced `notification.db.test.ts` to ensure specific error types are tested correctly.
- Updated `recipe.db.test.ts` to ensure proper handling of not found errors.
- Improved `user.db.ts` to ensure consistent error handling for user retrieval.
- Enhanced `flyerProcessingService.server.test.ts` to ensure accurate assertions on transformed data.
- Updated `logger.server.ts` to disable transport in test environments to prevent issues.
- Refined `queueService.workers.test.ts` to ensure accurate mocking of email service.
- Improved `userService.test.ts` to ensure proper mock implementations for repository classes.
- Enhanced `checksum.test.ts` to ensure reliable file content creation in tests.
- Updated `pdfConverter.test.ts` to reset shared state objects and mock implementations before each test.
- Updated tests in `useShoppingLists`, `useWatchedItems`, and various components to use `waitFor` for asynchronous assertions.
- Enhanced error handling in `errorHandler` middleware tests to include validation errors and status codes.
- Modified `AuthView`, `ProfileManager.Auth`, and `ProfileManager.Authenticated` tests to check for `AbortSignal` in API calls.
- Removed duplicate assertions in `auth.routes.test`, `budget.routes.test`, and `gamification.routes.test`.
- Introduced reusable logger matcher in `budget.routes.test`, `deals.routes.test`, `flyer.routes.test`, and `user.routes.test`.
- Simplified API client mock in `aiApiClient.test` to handle token overrides correctly.
- Removed unused `apiUtils.ts` file.
- Added `ApiContext` and `ApiProvider` for better API client management in React components.
- Introduced `createTestApp` utility to standardize Express app creation for tests, including JSON parsing, mock logger, and error handling.
- Updated all route tests to utilize `createTestApp`, enhancing consistency and reducing boilerplate code.
- Implemented `mockLogger` for cleaner test output and easier logging mock management.
- Adjusted passport mocks to ensure proper user authentication simulation across tests.
- Enhanced type safety by augmenting Express Request interface with `req.log` and `req.user` properties.
- Removed redundant code and improved readability in various test files.
- Added tests for invalid request bodies in price and recipe routes.
- Improved type safety in request handlers using Zod schemas.
- Introduced a consistent validation pattern for empty request bodies.
- Enhanced error messages for invalid query parameters in stats and user routes.
- Implemented middleware to inject mock logging for tests.
- Created a custom type for validated requests to streamline type inference.
- Updated personalization.db.test.ts to use mockClient for query calls in addWatchedItem tests.
- Simplified error handling in shopping.db.test.ts, ensuring clearer error messages.
- Added comprehensive tests for VoiceAssistant component, including rendering and interaction tests.
- Introduced useModal hook with tests to manage modal state effectively.
- Created deals.db.test.ts to test deals repository functionality with mocked database interactions.
- Implemented error handling tests for custom error classes in errors.db.test.ts.
- Developed googleGeocodingService.server.test.ts to validate geocoding service behavior with mocked fetch.
