import { UserRepository, UserService } from './sample_typescript'; describe('UserService', () => { it('should create a user', () => { const repo = new UserRepository(); const service = new UserService(repo); }); it('should find a user by id', () => { const repo = new UserRepository(); const service = new UserService(repo); const user = service.findById('123'); }); test('alternative test syntax', () => { const repo = new UserRepository(); }); });