myfreight-assessment/tests/tracking/notifications/console.notifier.spec.ts

import { mockShipment, mockTrackingInfo } from '@tests/data/tracking.mock';
import { ConsoleNotifier } from '@/tracking/notifications/console.notifier';
import { resetDate, setDate } from '@/utils/fakeDate';
import { TrackingDto } from '@/dtos/tracking.dto';
import { ShipmentEntity } from '@/entities/shipment.entity';

describe('ConsoleNotifier', () => {
  beforeEach(() => {
    jest.clearAllMocks();
    setDate('2023-02-14 14:00:00');
  });

  afterAll(() => {
    resetDate();
    jest.clearAllMocks();
  });

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

  it('should be arriving soon if arrivalEstimate is between 0 and 1 days of today', async () => {
    const logSpy = jest.spyOn(global.console, 'log').mockImplementation();
    const consoleNotifier = new ConsoleNotifier(mockShipment, mockTrackingInfo);
    expect(consoleNotifier.isDelayed).toBe(false);
    expect(consoleNotifier.daysToArrival).toBeGreaterThan(0);
    expect(consoleNotifier.daysToArrival).toBeLessThan(1);
    await expect(consoleNotifier.send()).resolves.toBe(true);
    expect(logSpy).toHaveBeenCalledWith(
      'Send email with the following messages: Your shipment will arrive soon',
    );
  });
  it('should be arriving soon if arrivalEstimate is less than or equal to today', async () => {
    const logSpy = jest.spyOn(global.console, 'log').mockImplementation();
    const arrivesTodayTrackingInfo: TrackingDto = {
      ...mockTrackingInfo,
      arrivalDateEstimate: new Date(),
    };

    const consoleNotifier = new ConsoleNotifier(
      mockShipment,
      arrivesTodayTrackingInfo,
    );
    expect(consoleNotifier.isDelayed).toBe(false);
    expect(consoleNotifier.daysToArrival).toBeLessThanOrEqual(0);
    await expect(consoleNotifier.send()).resolves.toBe(true);
    expect(logSpy).toHaveBeenCalledWith(
      'Send email with the following messages: Your shipment has arrived',
    );
  });

  it('should be delayed if arrivalDateEstimate is more than 1 day after arrivalDateOriginal', async () => {
    const logSpy = jest.spyOn(global.console, 'log').mockImplementation();
    const trackingDelay = 2;
    const newArrivalDate = new Date();
    newArrivalDate.setDate(
      mockShipment.arrivalDateOriginal.getDate() + trackingDelay,
    );
    const delayedTrackingInfo: TrackingDto = {
      ...mockTrackingInfo,
      arrivalDateEstimate: newArrivalDate,
    };

    delayedTrackingInfo.arrivalDateEstimate;

    const consoleNotifier = new ConsoleNotifier(
      mockShipment,
      delayedTrackingInfo,
    );
    expect(consoleNotifier.isDelayed).toBe(true);
    expect(consoleNotifier.daysToArrival).toBe(trackingDelay);
    await expect(consoleNotifier.send()).resolves.toBe(true);
    expect(logSpy).toHaveBeenCalledTimes(1);
    expect(logSpy).toHaveBeenCalledWith(
      'Send email with the following messages: Your shipment has been delayed',
    );
  });

  it('should log multiple messages if shipment has arrived but original time has been exceeded by more than 1 day', async () => {
    const logSpy = jest.spyOn(global.console, 'log').mockImplementation();
    const shipment: ShipmentEntity = {
      ...mockShipment,
      arrivalDateOriginal: new Date('2023-02-12 14:00:00'),
    };
    const trackingInfo: TrackingDto = {
      ...mockTrackingInfo,
      arrivalDateEstimate: new Date('2023-02-14 14:00:00'),
    };
    const consoleNotifier = new ConsoleNotifier(shipment, trackingInfo);
    expect(consoleNotifier.isDelayed).toBe(true);
    expect(consoleNotifier.daysToArrival).toBe(0);
    await expect(consoleNotifier.send()).resolves.toBe(true);

    expect(logSpy).toHaveBeenCalledWith(
      'Send email with the following messages: Your shipment has been delayed\nYour shipment has arrived',
    );
  });

  it('should log multiple messages if shipment will arrive soon but original time has been exceeded by more than 1 day', async () => {
    const logSpy = jest.spyOn(global.console, 'log').mockImplementation();
    const shipment: ShipmentEntity = {
      ...mockShipment,
      arrivalDateOriginal: new Date('2023-02-12 14:00:00'),
    };
    const trackingInfo: TrackingDto = {
      ...mockTrackingInfo,
      arrivalDateEstimate: new Date('2023-02-14 15:00:00'),
    };
    const consoleNotifier = new ConsoleNotifier(shipment, trackingInfo);
    expect(consoleNotifier.isDelayed).toBe(true);
    expect(consoleNotifier.daysToArrival).toBeGreaterThan(0);
    expect(consoleNotifier.daysToArrival).toBeLessThanOrEqual(1);
    await expect(consoleNotifier.send()).resolves.toBe(true);
    expect(logSpy).toHaveBeenCalledWith(
      'Send email with the following messages: Your shipment has been delayed\nYour shipment will arrive soon',
    );
  });
});