import { Test, TestingModule } from '@nestjs/testing';
import { NotificationsService } from '@/tracking/notifications.service';
import { mockShipment, mockTrackingInfo } from '@tests/data/tracking.mock';

describe('NotificationsService', () => {
  let service: NotificationsService;

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      providers: [NotificationsService],
    })
      .useMocker((token) => {
        switch (token) {
          case 'NOTIFIER_FACTORY':
            return () => ({
              send: jest.fn().mockResolvedValue(true),
            });
        }
      })
      .compile();

    service = module.get<NotificationsService>(NotificationsService);
  });

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

  it('should have a method send that resolves', async () => {
    await expect(
      service.send(mockShipment, mockTrackingInfo),
    ).resolves.not.toThrow();
  });
});