spaghiajoeojo / express-beans

import * as http from 'http';

import { Request, Response } from 'express';

import request from 'supertest';

import ExpressBeans from '@/core/ExpressBeans';

import { Route, RouterBean } from '@/main';

import { Executor } from '@/core/Executor';

describe('Error Handling integration tests', () => {

  let server: http.Server;

  let application: ExpressBeans;

  beforeEach(() => {

    jest.resetModules();

  });

  afterEach(() => {

    server.close();

    Executor.stopLifecycle();

  });

  test('error handling on synchronous routes', async () => {

    }

    application = new ExpressBeans({ listen: false, routerBeans: [TestRouter] });

    await flushPromises();

    server = application.listen(3001);

    await flushPromises();

    // WHEN

    await request(server).get('/test/error').expect(500);

    // THEN

    const { text } = await request(server).get('/test/42').expect(200);

    expect(text).toBe('42 is the answer');

  });

  test('error handling on asynchronous routes', async () => {

    // GIVEN

    @RouterBean('/test')

    class TestRouter {

      @Route('GET', '/42')

      test(_req: Request, res: Response) {

        res.send('42 is the answer');

      }

      @Route('GET', '/error')

      async error(_req: Request, _res: Response) {

        throw new Error('ops!');

      }

    }

    application = new ExpressBeans({ listen: false, routerBeans: [TestRouter] });

    await flushPromises();

    server = application.listen(3001);

    await flushPromises();

    // WHEN

    await request(server).get('/test/error').expect(500);

    // THEN

    const { text } = await request(server).get('/test/42').expect(200);

    expect(text).toBe('42 is the answer');

  });

});