/** * Unit tests for SaveRatingUseCase */ import { describe, it, expect, vi, beforeEach } from 'vitest'; import { SaveRatingUseCase } from './SaveRatingUseCase'; const mockRatingRepository = { save: vi.fn(), }; describe('SaveRatingUseCase', () => { let useCase: SaveRatingUseCase; beforeEach(() => { vi.clearAllMocks(); useCase = new SaveRatingUseCase({ ratingRepository: mockRatingRepository as any, }); }); describe('Scenario 11: Repository error wraps correctly', () => { it('should wrap repository error with specific prefix', async () => { // Given const request = { driverId: 'd1', raceId: 'r1', rating: 1200, components: { resultsStrength: 80, consistency: 70, cleanDriving: 90, racecraft: 75, reliability: 85, teamContribution: 60, }, }; const repoError = new Error('Database connection failed'); mockRatingRepository.save.mockRejectedValue(repoError); // When & Then await expect(useCase.execute(request)).rejects.toThrow( 'Failed to save rating: Error: Database connection failed' ); }); }); });