auth/src/modules/authentication/tests/unit/infrastructure/username.repository.spec.ts

import { UsernameMapper } from '@modules/authentication/username.mapper';
import { PrismaService } from '@modules/authentication/infrastructure/prisma.service';
import { EventEmitter2, EventEmitterModule } from '@nestjs/event-emitter';
import { Test, TestingModule } from '@nestjs/testing';
import {
  UsernameReadModel,
  UsernameRepository,
} from '@modules/authentication/infrastructure/username.repository';
import { Type } from '@modules/authentication/core/domain/username.types';
import { UsernameEntity } from '@modules/authentication/core/domain/username.entity';

const mockPrismaService = {
  username: {
    findFirst: jest.fn().mockImplementation(async () => {
      const now = new Date('2023-06-21 06:00:00');
      const record: UsernameReadModel = {
        authUuid: '330bd6de-1eb8-450b-8674-0e3c9209f048',
        type: Type.EMAIL,
        username: 'john.doe@email.com',
        createdAt: now,
        updatedAt: now,
      };
      return record;
    }),
    update: jest.fn().mockImplementation(),
    delete: jest.fn().mockImplementation(),
    count: jest.fn().mockImplementation(),
  },
};

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

describe('Username repository', () => {
  let usernameRepository: UsernameRepository;
  let prismaService: PrismaService;
  let usernameMapper: UsernameMapper;
  let eventEmitter: EventEmitter2;

  beforeAll(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [EventEmitterModule.forRoot()],
      providers: [
        {
          provide: PrismaService,
          useValue: mockPrismaService,
        },
        UsernameMapper,
      ],
    }).compile();

    prismaService = module.get<PrismaService>(PrismaService);
    usernameMapper = module.get<UsernameMapper>(UsernameMapper);
    eventEmitter = module.get<EventEmitter2>(EventEmitter2);
    usernameRepository = new UsernameRepository(
      prismaService,
      usernameMapper,
      eventEmitter,
      mockMessagePublisher,
    );
  });

  afterEach(async () => {
    jest.clearAllMocks();
  });

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

  it('should find a username by its userId and Type', async () => {
    jest.spyOn(usernameRepository, 'findOne');
    const username: UsernameEntity = await usernameRepository.findByType(
      '330bd6de-1eb8-450b-8674-0e3c9209f048',
      Type.EMAIL,
    );
    expect(usernameRepository.findOne).toHaveBeenCalledTimes(1);
    expect(usernameRepository.findOne).toHaveBeenCalledWith({
      authUuid: '330bd6de-1eb8-450b-8674-0e3c9209f048',
      type: Type.EMAIL,
    });
    expect(username.getProps().name).toBe('john.doe@email.com');
  });

  it('should find a username by its name', async () => {
    jest.spyOn(usernameRepository, 'findOne');
    const username: UsernameEntity =
      await usernameRepository.findByName('john.doe@email.com');
    expect(usernameRepository.findOne).toHaveBeenCalledTimes(1);
    expect(usernameRepository.findOne).toHaveBeenCalledWith({
      username: 'john.doe@email.com',
    });
    expect(username.getProps().name).toBe('john.doe@email.com');
  });

  it('should update a username', async () => {
    jest.spyOn(usernameRepository, 'update');
    const usernameToUpdate: UsernameEntity = await UsernameEntity.create({
      userId: '165192d4-398a-4469-a16b-98c02cc6f531',
      type: Type.EMAIL,
      name: 'john.doe@new-email.com',
    });
    await usernameRepository.updateUsername(
      'john.doe@email.com',
      usernameToUpdate,
    );
    expect(usernameRepository.update).toHaveBeenCalledTimes(1);
    expect(usernameRepository.update).toHaveBeenCalledWith(
      'john.doe@email.com',
      usernameToUpdate,
      'username',
    );
  });

  it('should delete a username', async () => {
    jest.spyOn(usernameRepository, 'delete');
    const usernameToDelete: UsernameEntity = await UsernameEntity.create({
      userId: '165192d4-398a-4469-a16b-98c02cc6f531',
      type: Type.EMAIL,
      name: 'john.doe@new-email.com',
    });
    await usernameRepository.deleteUsername(usernameToDelete);
    expect(usernameRepository.delete).toHaveBeenCalledTimes(1);
    expect(usernameRepository.delete).toHaveBeenCalledWith(
      usernameToDelete,
      'username',
    );
  });

  it('should count usernames for a given userId', async () => {
    jest.spyOn(usernameRepository, 'count');
    await usernameRepository.countUsernames('john.doe@email.com');
    expect(usernameRepository.count).toHaveBeenCalledTimes(1);
    expect(usernameRepository.count).toHaveBeenCalledWith({
      authUuid: 'john.doe@email.com',
    });
  });
});