gridpilot.gg/core/racing/application/use-cases/RankingUseCase.test.ts

import { describe, it, expect, vi } from 'vitest';
import { RankingUseCase } from './RankingUseCase';
import type { StandingRepository } from '../../domain/repositories/StandingRepository';
import type { DriverRepository } from '../../domain/repositories/DriverRepository';
import type { DriverStatsRepository } from '../../domain/repositories/DriverStatsRepository';
import type { Logger } from '@core/shared/domain/Logger';

describe('RankingUseCase', () => {
  const mockStandingRepository = {} as StandingRepository;
  const mockDriverRepository = {} as DriverRepository;
  const mockDriverStatsRepository = {
    getAllStats: vi.fn(),
  } as unknown as DriverStatsRepository;
  const mockLogger = {
    debug: vi.fn(),
  } as unknown as Logger;

  const useCase = new RankingUseCase(
    mockStandingRepository,
    mockDriverRepository,
    mockDriverStatsRepository,
    mockLogger
  );

  it('should return all driver rankings', async () => {
    const mockStatsMap = new Map([
      ['driver-1', { rating: 1500, wins: 2, totalRaces: 10, overallRank: 1 }],
      ['driver-2', { rating: 1200, wins: 0, totalRaces: 5, overallRank: 2 }],
    ]);
    vi.mocked(mockDriverStatsRepository.getAllStats).mockResolvedValue(mockStatsMap as any);

    const result = await useCase.getAllDriverRankings();

    expect(result).toHaveLength(2);
    expect(result).toContainEqual({
      driverId: 'driver-1',
      rating: 1500,
      wins: 2,
      totalRaces: 10,
      overallRank: 1,
    });
    expect(result).toContainEqual({
      driverId: 'driver-2',
      rating: 1200,
      wins: 0,
      totalRaces: 5,
      overallRank: 2,
    });
    expect(mockLogger.debug).toHaveBeenCalledWith('Getting all driver rankings');
  });

  it('should return empty array when no stats exist', async () => {
    vi.mocked(mockDriverStatsRepository.getAllStats).mockResolvedValue(new Map());

    const result = await useCase.getAllDriverRankings();

    expect(result).toEqual([]);
  });
});