spaghiajoeojo / express-beans

import { flushPromises } from '@test/utils/testUtils';

import { Bean } from '@/main';

import { registeredBeans, registeredMethods } from '@/core';

jest.mock('@/core', () => ({

  registeredBeans: new Map(),

  registeredMethods: new Map(),

  logger: {

    info: jest.fn(),

    debug: jest.fn(),

    error: jest.fn(),

  },

}));

describe('Bean.ts', () => {

  beforeEach(() => {

    jest.resetAllMocks();

    registeredBeans.clear();

    registeredMethods.clear();

  });

  it('registers a bean', async () => {

    // WHEN

    @Bean

    class Class {

      id = 42;

    }

    const C: any = Class;

    await flushPromises();

    await flushPromises();

    // THEN

    expect(registeredBeans.get('Class')).toBe(C.instance);

    expect(C.instance.id).toStrictEqual(42);

  });

  it('registers a bean and its methods', async () => {

    // WHEN

    @Bean

    class Class {

      id: number = 1001;

      getId() {

        return 42;

      }

    }

    const C: any = Class;

    await flushPromises();

    await flushPromises();

    // THEN

    expect(registeredBeans.get('Class')).toBe(C.instance);

    expect(registeredMethods.get(C.instance.getId)).toBe(C.instance);

  });

});