spaghiajoeojo / express-beans

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

import { Request, Response } from 'express';

import { Route } from '@/decorators/Route';

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

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

  registeredBeans: new Map(),

  registeredMethods: new Map(),

  logger: {

    info: jest.fn(),

    debug: jest.fn(),

    error: jest.fn(),

  },

}));

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

  beforeEach(() => {

    jest.resetAllMocks();

    registeredMethods.clear();

    registeredBeans.clear();

  });

  it.each([

    'GET',

    'HEAD',

    'POST',

    'PUT',

    'DELETE',

    'CONNECT',

    'OPTIONS',

    'TRACE',

    'PATCH',

  ])('registers a %s route', async (method: any) => {

    // GIVEN

    const mock = jest.fn();

    class Class {

      @Route(method, '/num')

      getNum(_req: Request, res: Response) {

        res.send('OK');

      }

    }

    const bean: any = new Class();

    registeredMethods.set(bean.getNum, bean);

    bean.routerConfig = {

      path: '/router',

      router: {

        [method.toLowerCase()]: mock,

      },

    };

    registeredBeans.set('Class', bean);

    await flushPromises();

    // THEN

    expect(mock).toBeCalledWith('/num', expect.any(Function));

    expect(mock.mock.calls[0][1].name)

      .toBe('bound getNum');

  });

});