expect(!2xx) throws exception

I have migrated to the latest version of supertest (4.0.0), but all my tests that expect a status code different to 2xx fails.

Example:

const request = require('supertest');
const express = require('express');

const app = express();

app.get('/user', function (req, res) {
  res.status(404).end();
});

(async () => {
  await request(app)
    .get('/user')
    .expect(404)
    .send({ hello: 'hi' })
})();

Will throw an Error: Not Found exception.

[jsstrn]

Thanks for reporting the issue. While we are waiting for a fix, we can use this technique to resolve it:

it("should return status code 400", () => {
  return request(app)
    .get("/")
    .catch(res => {
      expect(res.status).toBe(400);
    });
});

Or, with async/await:

it("should return status code 400", async () => {
  await request(app)
    .get("/")
    .catch(res => {
      expect(res.status).toBe(400);
    });
});

[gjohnson]

@rimiti looking at this right now - these reports are much clearer @midrissi.