96 lines
3.0 KiB
TypeScript
96 lines
3.0 KiB
TypeScript
import { describe, it, expect, beforeEach, vi, Mock } from 'vitest';
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import { GetLeagueStatsUseCase } from './GetLeagueStatsUseCase';
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import { ILeagueMembershipRepository } from '../../domain/repositories/ILeagueMembershipRepository';
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import { IRaceRepository } from '../../domain/repositories/IRaceRepository';
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import { DriverRatingProvider } from '../ports/DriverRatingProvider';
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describe('GetLeagueStatsUseCase', () => {
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let useCase: GetLeagueStatsUseCase;
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let leagueMembershipRepository: {
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getLeagueMembers: Mock;
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};
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let raceRepository: {
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findByLeagueId: Mock;
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};
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let driverRatingProvider: {
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getRatings: Mock;
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};
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beforeEach(() => {
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leagueMembershipRepository = {
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getLeagueMembers: vi.fn(),
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};
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raceRepository = {
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findByLeagueId: vi.fn(),
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};
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driverRatingProvider = {
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getRatings: vi.fn(),
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};
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useCase = new GetLeagueStatsUseCase(
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leagueMembershipRepository as unknown as ILeagueMembershipRepository,
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raceRepository as unknown as IRaceRepository,
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driverRatingProvider as unknown as DriverRatingProvider,
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);
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});
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it('should return league stats with average rating', async () => {
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const leagueId = 'league-1';
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const memberships = [
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{ driverId: 'driver-1' },
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{ driverId: 'driver-2' },
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{ driverId: 'driver-3' },
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];
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const races = [{ id: 'race-1' }, { id: 'race-2' }];
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const ratings = new Map([
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['driver-1', 1500],
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['driver-2', 1600],
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['driver-3', null],
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]);
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leagueMembershipRepository.getLeagueMembers.mockResolvedValue(memberships);
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raceRepository.findByLeagueId.mockResolvedValue(races);
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driverRatingProvider.getRatings.mockReturnValue(ratings);
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const result = await useCase.execute({ leagueId });
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expect(result.isOk()).toBe(true);
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expect(result.unwrap()).toEqual({
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totalMembers: 3,
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totalRaces: 2,
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averageRating: 1550, // (1500 + 1600) / 2
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});
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});
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it('should return 0 average rating when no valid ratings', async () => {
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const leagueId = 'league-1';
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const memberships = [{ driverId: 'driver-1' }];
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const races = [{ id: 'race-1' }];
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const ratings = new Map([['driver-1', null]]);
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leagueMembershipRepository.getLeagueMembers.mockResolvedValue(memberships);
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raceRepository.findByLeagueId.mockResolvedValue(races);
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driverRatingProvider.getRatings.mockReturnValue(ratings);
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const result = await useCase.execute({ leagueId });
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expect(result.isOk()).toBe(true);
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expect(result.unwrap()).toEqual({
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totalMembers: 1,
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totalRaces: 1,
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averageRating: 0,
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});
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});
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it('should return error when repository fails', async () => {
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const leagueId = 'league-1';
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leagueMembershipRepository.getLeagueMembers.mockRejectedValue(new Error('DB error'));
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const result = await useCase.execute({ leagueId });
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expect(result.isErr()).toBe(true);
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expect(result.unwrapErr()).toEqual({
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code: 'REPOSITORY_ERROR',
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message: 'Failed to fetch league stats',
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});
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});
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}); |