core tests

core/racing/application/use-cases/DriverStatsUseCase.test.ts

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+import { describe, it, expect, vi } from 'vitest';
+import { DriverStatsUseCase, type DriverStats } from './DriverStatsUseCase';
+import type { ResultRepository } from '../../domain/repositories/ResultRepository';
+import type { StandingRepository } from '../../domain/repositories/StandingRepository';
+import type { DriverStatsRepository } from '../../domain/repositories/DriverStatsRepository';
+import type { Logger } from '@core/shared/domain/Logger';
+
+describe('DriverStatsUseCase', () => {
+  const mockResultRepository = {} as ResultRepository;
+  const mockStandingRepository = {} as StandingRepository;
+  const mockDriverStatsRepository = {
+    getDriverStats: vi.fn(),
+  } as unknown as DriverStatsRepository;
+  const mockLogger = {
+    debug: vi.fn(),
+  } as unknown as Logger;
+
+  const useCase = new DriverStatsUseCase(
+    mockResultRepository,
+    mockStandingRepository,
+    mockDriverStatsRepository,
+    mockLogger
+  );
+
+  it('should return driver stats when found', async () => {
+    const mockStats: DriverStats = {
+      rating: 1500,
+      safetyRating: 4.5,
+      sportsmanshipRating: 4.8,
+      totalRaces: 10,
+      wins: 2,
+      podiums: 5,
+      dnfs: 0,
+      avgFinish: 3.5,
+      bestFinish: 1,
+      worstFinish: 8,
+      consistency: 0.9,
+      experienceLevel: 'Intermediate',
+      overallRank: 42,
+    };
+    vi.mocked(mockDriverStatsRepository.getDriverStats).mockResolvedValue(mockStats);
+
+    const result = await useCase.getDriverStats('driver-1');
+
+    expect(result).toEqual(mockStats);
+    expect(mockLogger.debug).toHaveBeenCalledWith('Getting stats for driver driver-1');
+    expect(mockDriverStatsRepository.getDriverStats).toHaveBeenCalledWith('driver-1');
+  });
+
+  it('should return null when stats are not found', async () => {
+    vi.mocked(mockDriverStatsRepository.getDriverStats).mockResolvedValue(null);
+
+    const result = await useCase.getDriverStats('non-existent');
+
+    expect(result).toBeNull();
+  });
+});

core/racing/application/use-cases/GetDriverUseCase.test.ts

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+import { describe, it, expect, vi } from 'vitest';
+import { GetDriverUseCase } from './GetDriverUseCase';
+import { Result } from '@core/shared/domain/Result';
+import type { DriverRepository } from '../../domain/repositories/DriverRepository';
+import type { Driver } from '../../domain/entities/Driver';
+
+describe('GetDriverUseCase', () => {
+  const mockDriverRepository = {
+    findById: vi.fn(),
+  } as unknown as DriverRepository;
+
+  const useCase = new GetDriverUseCase(mockDriverRepository);
+
+  it('should return a driver when found', async () => {
+    const mockDriver = { id: 'driver-1', name: 'John Doe' } as unknown as Driver;
+    vi.mocked(mockDriverRepository.findById).mockResolvedValue(mockDriver);
+
+    const result = await useCase.execute({ driverId: 'driver-1' });
+
+    expect(result.isOk()).toBe(true);
+    expect(result.unwrap()).toBe(mockDriver);
+    expect(mockDriverRepository.findById).toHaveBeenCalledWith('driver-1');
+  });
+
+  it('should return null when driver is not found', async () => {
+    vi.mocked(mockDriverRepository.findById).mockResolvedValue(null);
+
+    const result = await useCase.execute({ driverId: 'non-existent' });
+
+    expect(result.isOk()).toBe(true);
+    expect(result.unwrap()).toBeNull();
+  });
+
+  it('should return an error when repository throws', async () => {
+    const error = new Error('Repository error');
+    vi.mocked(mockDriverRepository.findById).mockRejectedValue(error);
+
+    const result = await useCase.execute({ driverId: 'driver-1' });
+
+    expect(result.isErr()).toBe(true);
+    expect(result.error).toBe(error);
+  });
+});

core/racing/application/use-cases/GetTeamsLeaderboardUseCase.test.ts

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+import { describe, it, expect, vi } from 'vitest';
+import { GetTeamsLeaderboardUseCase } from './GetTeamsLeaderboardUseCase';
+import { Result } from '@core/shared/domain/Result';
+import type { TeamRepository } from '../../domain/repositories/TeamRepository';
+import type { TeamMembershipRepository } from '../../domain/repositories/TeamMembershipRepository';
+import type { Logger } from '@core/shared/domain/Logger';
+import type { Team } from '../../domain/entities/Team';
+
+describe('GetTeamsLeaderboardUseCase', () => {
+  const mockTeamRepository = {
+    findAll: vi.fn(),
+  } as unknown as TeamRepository;
+
+  const mockTeamMembershipRepository = {
+    getTeamMembers: vi.fn(),
+  } as unknown as TeamMembershipRepository;
+
+  const mockGetDriverStats = vi.fn();
+
+  const mockLogger = {
+    error: vi.fn(),
+  } as unknown as Logger;
+
+  const useCase = new GetTeamsLeaderboardUseCase(
+    mockTeamRepository,
+    mockTeamMembershipRepository,
+    mockGetDriverStats,
+    mockLogger
+  );
+
+  it('should return teams leaderboard with calculated stats', async () => {
+    const mockTeam1 = { id: 'team-1', name: 'Team 1' } as unknown as Team;
+    const mockTeam2 = { id: 'team-2', name: 'Team 2' } as unknown as Team;
+    vi.mocked(mockTeamRepository.findAll).mockResolvedValue([mockTeam1, mockTeam2]);
+
+    vi.mocked(mockTeamMembershipRepository.getTeamMembers).mockImplementation(async (teamId) => {
+      if (teamId === 'team-1') return [{ driverId: 'driver-1' }, { driverId: 'driver-2' }] as any;
+      if (teamId === 'team-2') return [{ driverId: 'driver-3' }] as any;
+      return [];
+    });
+
+    mockGetDriverStats.mockImplementation((driverId) => {
+      if (driverId === 'driver-1') return { rating: 1000, wins: 1, totalRaces: 5 };
+      if (driverId === 'driver-2') return { rating: 2000, wins: 2, totalRaces: 10 };
+      if (driverId === 'driver-3') return { rating: 1500, wins: 0, totalRaces: 2 };
+      return null;
+    });
+
+    const result = await useCase.execute({ leagueId: 'league-1' });
+
+    expect(result.isOk()).toBe(true);
+    const data = result.unwrap();
+    expect(data.items).toHaveLength(2);
+
+    const item1 = data.items.find(i => i.team.id === 'team-1');
+    expect(item1?.rating).toBe(1500); // (1000 + 2000) / 2
+    expect(item1?.totalWins).toBe(3);
+    expect(item1?.totalRaces).toBe(15);
+
+    const item2 = data.items.find(i => i.team.id === 'team-2');
+    expect(item2?.rating).toBe(1500);
+    expect(item2?.totalWins).toBe(0);
+    expect(item2?.totalRaces).toBe(2);
+
+    expect(data.topItems).toHaveLength(2);
+  });
+
+  it('should handle teams with no members', async () => {
+    const mockTeam = { id: 'team-empty', name: 'Empty Team' } as unknown as Team;
+    vi.mocked(mockTeamRepository.findAll).mockResolvedValue([mockTeam]);
+    vi.mocked(mockTeamMembershipRepository.getTeamMembers).mockResolvedValue([]);
+
+    const result = await useCase.execute({ leagueId: 'league-1' });
+
+    expect(result.isOk()).toBe(true);
+    const data = result.unwrap();
+    expect(data.items[0].rating).toBeNull();
+    expect(data.items[0].performanceLevel).toBe('beginner');
+  });
+
+  it('should return error when repository fails', async () => {
+    vi.mocked(mockTeamRepository.findAll).mockRejectedValue(new Error('DB Error'));
+
+    const result = await useCase.execute({ leagueId: 'league-1' });
+
+    expect(result.isErr()).toBe(true);
+    expect(result.error.code).toBe('REPOSITORY_ERROR');
+    expect(mockLogger.error).toHaveBeenCalled();
+  });
+});

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

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+import { describe, it, expect, vi } from 'vitest';
+import { RankingUseCase, type DriverRanking } 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([]);
+  });
+});

core/racing/application/utils/RaceResultGenerator.test.ts

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+import { describe, it, expect, vi } from 'vitest';
+import { RaceResultGenerator } from './RaceResultGenerator';
+
+describe('RaceResultGenerator', () => {
+  it('should generate results for all drivers', () => {
+    const raceId = 'race-1';
+    const driverIds = ['d1', 'd2', 'd3'];
+    const driverRatings = new Map([
+      ['d1', 2000],
+      ['d2', 1500],
+      ['d3', 1000],
+    ]);
+
+    const results = RaceResultGenerator.generateRaceResults(raceId, driverIds, driverRatings);
+
+    expect(results).toHaveLength(3);
+    const resultDriverIds = results.map(r => r.driverId.toString());
+    expect(resultDriverIds).toContain('d1');
+    expect(resultDriverIds).toContain('d2');
+    expect(resultDriverIds).toContain('d3');
+    
+    results.forEach(r => {
+      expect(r.raceId.toString()).toBe(raceId);
+      expect(r.position.toNumber()).toBeGreaterThan(0);
+      expect(r.position.toNumber()).toBeLessThanOrEqual(3);
+    });
+  });
+
+  it('should provide incident descriptions', () => {
+    expect(RaceResultGenerator.getIncidentDescription(0)).toBe('Clean race');
+    expect(RaceResultGenerator.getIncidentDescription(1)).toBe('Track limits violation');
+    expect(RaceResultGenerator.getIncidentDescription(2)).toBe('Contact with another car');
+    expect(RaceResultGenerator.getIncidentDescription(3)).toBe('Off-track incident');
+    expect(RaceResultGenerator.getIncidentDescription(4)).toBe('Collision requiring safety car');
+    expect(RaceResultGenerator.getIncidentDescription(5)).toBe('5 incidents');
+  });
+
+  it('should calculate incident penalty points', () => {
+    expect(RaceResultGenerator.getIncidentPenaltyPoints(0)).toBe(0);
+    expect(RaceResultGenerator.getIncidentPenaltyPoints(1)).toBe(0);
+    expect(RaceResultGenerator.getIncidentPenaltyPoints(2)).toBe(2);
+    expect(RaceResultGenerator.getIncidentPenaltyPoints(3)).toBe(4);
+  });
+});

core/racing/application/utils/RaceResultGeneratorWithIncidents.test.ts

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+import { describe, it, expect } from 'vitest';
+import { RaceResultGeneratorWithIncidents } from './RaceResultGeneratorWithIncidents';
+import { RaceIncidents } from '../../domain/value-objects/RaceIncidents';
+
+describe('RaceResultGeneratorWithIncidents', () => {
+  it('should generate results for all drivers', () => {
+    const raceId = 'race-1';
+    const driverIds = ['d1', 'd2'];
+    const driverRatings = new Map([
+      ['d1', 2000],
+      ['d2', 1500],
+    ]);
+
+    const results = RaceResultGeneratorWithIncidents.generateRaceResults(raceId, driverIds, driverRatings);
+
+    expect(results).toHaveLength(2);
+    results.forEach(r => {
+      expect(r.raceId.toString()).toBe(raceId);
+      expect(r.incidents).toBeInstanceOf(RaceIncidents);
+    });
+  });
+
+  it('should calculate incident penalty points', () => {
+    const incidents = new RaceIncidents([
+      { type: 'contact', lap: 1, description: 'desc', penaltyPoints: 2 },
+      { type: 'unsafe_rejoin', lap: 5, description: 'desc', penaltyPoints: 3 },
+    ]);
+
+    expect(RaceResultGeneratorWithIncidents.getIncidentPenaltyPoints(incidents)).toBe(5);
+  });
+
+  it('should get incident description', () => {
+    const incidents = new RaceIncidents([
+      { type: 'contact', lap: 1, description: 'desc', penaltyPoints: 2 },
+    ]);
+
+    const description = RaceResultGeneratorWithIncidents.getIncidentDescription(incidents);
+    expect(description).toContain('1 incidents');
+  });
+});