import { Test, TestingModule } from '@nestjs/testing';
import { ShipmentsController } from '@/shipments/shipments.controller';
import { ShipmentsService } from '@/shipments/shipments.service';

describe('ShipmentsController', () => {
  let controller: ShipmentsController;

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      controllers: [ShipmentsController],
    })
      .useMocker((token) => {
        if (token === ShipmentsService) {
          return {
            getAll: jest.fn().mockResolvedValue([]),
          };
        }
      })

      .compile();

    controller = module.get<ShipmentsController>(ShipmentsController);
  });

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

  it('should have a method getShipments', () => {
    expect(controller.getShipments).toBeDefined();
  });

  it('should return an object with message: ok', async () => {
    await expect(controller.getShipments()).resolves.toEqual({ data: [] });
  });
});