Files
gridpilot.gg/core/racing/application/use-cases/GetLeagueStatsUseCase.test.ts
2025-12-19 15:07:53 +01:00

90 lines
3.0 KiB
TypeScript

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