esrol-router/tests/mocks/routes/fourOhFour.js

You can create new routes, set allowed ways of reaching them, handle requests, get information regarding those routes, and set middleware.

'use strict';

module.exports = {
  url: '/fourOhFour',
  all: function(req, res) {
    res.statusCode = 404;
    res.end('fourOhFour');
  },
};