user/src/modules/users/tests/unit/find-user-by-uuid.usecase.spec.ts

import { Test, TestingModule } from '@nestjs/testing';
import { LoggingMessager } from '../../adapters/secondaries/logging.messager';
import { UsersRepository } from '../../adapters/secondaries/users.repository';
import { FindUserByUuidUseCase } from '../../domain/usecases/find-user-by-uuid.usecase';
import { FindUserByUuidQuery } from '../../queries/find-user-by-uuid.query';

const mockUser = {
  uuid: 'bb281075-1b98-4456-89d6-c643d3044a91',
  firstName: 'John',
  lastName: 'Doe',
  email: 'john.doe@email.com',
  phone: '0601020304',
};

const mockUserRepository = {
  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  findOneByUuid: jest.fn().mockImplementation((query?: FindUserByUuidQuery) => {
    return Promise.resolve(mockUser);
  }),
};

const mockMessager = {
  publish: jest.fn().mockImplementation(),
};

describe('FindUserByUuidUseCase', () => {
  let findUserByUuidUseCase: FindUserByUuidUseCase;

  beforeAll(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [],
      providers: [
        {
          provide: UsersRepository,
          useValue: mockUserRepository,
        },
        {
          provide: LoggingMessager,
          useValue: mockMessager,
        },
        FindUserByUuidUseCase,
      ],
    }).compile();

    findUserByUuidUseCase = module.get<FindUserByUuidUseCase>(
      FindUserByUuidUseCase,
    );
  });

  it('should be defined', () => {
    expect(findUserByUuidUseCase).toBeDefined();
  });

  describe('execute', () => {
    it('should return a user', async () => {
      const user = await findUserByUuidUseCase.execute(
        new FindUserByUuidQuery('bb281075-1b98-4456-89d6-c643d3044a91'),
      );

      expect(user).toBe(mockUser);
    });
  });
});