- 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.
- Implement user database service with functions for user management (create, find, update, delete).
- Add comprehensive unit tests for user database service using Vitest.
- Mock database interactions to ensure isolated testing.
- Create setup files for unit tests to handle database connections and global mocks.
- Introduce error handling for unique constraints and foreign key violations.
- Enhance logging for better traceability during database operations.
