import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
import { ConfigService } from '@nestjs/config';
import { Test, TestingModule } from '@nestjs/testing';
import { Messager } from '../../adapters/secondaries/messager';

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

const mockConfigService = {
  get: jest.fn().mockResolvedValue({
    RMQ_EXCHANGE: 'mobicoop',
  }),
};

describe('Messager', () => {
  let messager: Messager;

  beforeAll(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [],
      providers: [
        Messager,
        {
          provide: AmqpConnection,
          useValue: mockAmqpConnection,
        },
        {
          provide: ConfigService,
          useValue: mockConfigService,
        },
      ],
    }).compile();

    messager = module.get<Messager>(Messager);
  });

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

  it('should publish a message', async () => {
    jest.spyOn(mockAmqpConnection, 'publish');
    messager.publish('authentication.create.info', 'my-test');
    expect(mockAmqpConnection.publish).toHaveBeenCalledTimes(1);
  });
});