core tests

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

@@ -0,0 +1,59 @@
+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([]);
+  });
+});