core tests

core/leaderboards/application/use-cases/GetDriverRankingsUseCase.test.ts

@@ -0,0 +1,97 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { GetDriverRankingsUseCase, GetDriverRankingsUseCasePorts } from './GetDriverRankingsUseCase';
+import { ValidationError } from '../../../shared/errors/ValidationError';
+
+describe('GetDriverRankingsUseCase', () => {
+  let mockLeaderboardsRepository: any;
+  let mockEventPublisher: any;
+  let ports: GetDriverRankingsUseCasePorts;
+  let useCase: GetDriverRankingsUseCase;
+
+  const mockDrivers = [
+    { id: '1', name: 'Alice', rating: 2000, raceCount: 10, teamId: 't1', teamName: 'Team A' },
+    { id: '2', name: 'Bob', rating: 1500, raceCount: 5, teamId: 't2', teamName: 'Team B' },
+    { id: '3', name: 'Charlie', rating: 1800, raceCount: 8 },
+  ];
+
+  beforeEach(() => {
+    mockLeaderboardsRepository = {
+      findAllDrivers: vi.fn().mockResolvedValue([...mockDrivers]),
+    };
+    mockEventPublisher = {
+      publishDriverRankingsAccessed: vi.fn().mockResolvedValue(undefined),
+      publishLeaderboardsError: vi.fn().mockResolvedValue(undefined),
+    };
+    ports = {
+      leaderboardsRepository: mockLeaderboardsRepository,
+      eventPublisher: mockEventPublisher,
+    };
+    useCase = new GetDriverRankingsUseCase(ports);
+  });
+
+  it('should return all drivers sorted by rating DESC by default', async () => {
+    const result = await useCase.execute();
+
+    expect(result.drivers).toHaveLength(3);
+    expect(result.drivers[0].name).toBe('Alice');
+    expect(result.drivers[1].name).toBe('Charlie');
+    expect(result.drivers[2].name).toBe('Bob');
+    expect(result.drivers[0].rank).toBe(1);
+    expect(result.drivers[1].rank).toBe(2);
+    expect(result.drivers[2].rank).toBe(3);
+    expect(mockEventPublisher.publishDriverRankingsAccessed).toHaveBeenCalled();
+  });
+
+  it('should filter drivers by search term', async () => {
+    const result = await useCase.execute({ search: 'ali' });
+
+    expect(result.drivers).toHaveLength(1);
+    expect(result.drivers[0].name).toBe('Alice');
+  });
+
+  it('should filter drivers by minRating', async () => {
+    const result = await useCase.execute({ minRating: 1700 });
+
+    expect(result.drivers).toHaveLength(2);
+    expect(result.drivers.map(d => d.name)).toContain('Alice');
+    expect(result.drivers.map(d => d.name)).toContain('Charlie');
+  });
+
+  it('should filter drivers by teamId', async () => {
+    const result = await useCase.execute({ teamId: 't1' });
+
+    expect(result.drivers).toHaveLength(1);
+    expect(result.drivers[0].name).toBe('Alice');
+  });
+
+  it('should sort drivers by name ASC', async () => {
+    const result = await useCase.execute({ sortBy: 'name', sortOrder: 'asc' });
+
+    expect(result.drivers[0].name).toBe('Alice');
+    expect(result.drivers[1].name).toBe('Bob');
+    expect(result.drivers[2].name).toBe('Charlie');
+  });
+
+  it('should paginate results', async () => {
+    const result = await useCase.execute({ page: 2, limit: 1 });
+
+    expect(result.drivers).toHaveLength(1);
+    expect(result.drivers[0].name).toBe('Charlie'); // Alice (1), Charlie (2), Bob (3)
+    expect(result.pagination.total).toBe(3);
+    expect(result.pagination.totalPages).toBe(3);
+    expect(result.pagination.page).toBe(2);
+  });
+
+  it('should throw ValidationError for invalid page', async () => {
+    await expect(useCase.execute({ page: 0 })).rejects.toThrow(ValidationError);
+    expect(mockEventPublisher.publishLeaderboardsError).toHaveBeenCalled();
+  });
+
+  it('should throw ValidationError for invalid limit', async () => {
+    await expect(useCase.execute({ limit: 0 })).rejects.toThrow(ValidationError);
+  });
+
+  it('should throw ValidationError for invalid sortBy', async () => {
+    await expect(useCase.execute({ sortBy: 'invalid' as any })).rejects.toThrow(ValidationError);
+  });
+});