// ./superagent-mock-config.js file
module.exports = [
  {
    /**
     * regular expression of URL
     */
    pattern: 'https://domain.example(.*)',

    /**
     * returns the data
     *
     * @param match array Result of the resolution of the regular expression
     * @param params object sent by 'send' function
     * @param headers object set by 'set' function
     */
    fixtures: function (match, params, headers) {
      /**
       * Returning error codes example:
       *   request.get('https://domain.example/404').end(function(err, res){
       *     console.log(err); // 404
       *     console.log(res.notFound); // true
       *   })
       */
      if (match[1] === '/404') {
        throw new Error(404);
      }

      /**
       * Checking on parameters example:
       *   request.get('https://domain.example/hero').send({superhero: "superman"}).end(function(err, res){
       *     console.log(res.body); // "Your hero: superman"
       *   })
       */

      if (match[1] === '/hero') {
        if(params['superhero']) {
          return 'Your hero:' + params['superhero'];
        } else {
          return 'You didnt chose a hero';
        }
      }


      /**
       * Checking on headers example:
       *   request.get('https://domain.example/authorized_endpoint').set({Authorization: "9382hfih1834h"}).end(function(err, res){
       *     console.log(res.body); // "Authenticated!"
       *   })
       */

      if (match[1] === '/authorized_endpoint') {
        if(headers['Authorization']) {
          return 'Authenticated!';
        } else {
          throw new Error(401); // Unauthorized
        }
      }

    },

    /**
     * returns the result of the GET request
     *
     * @param match array Result of the resolution of the regular expression
     * @param data  mixed Data returns by `fixtures` attribute
     */
    get: function (match, data) {
      return {
        body: data
      };
    },

    /**
     * returns the result of the POST request
     *
     * @param match array Result of the resolution of the regular expression
     * @param data  mixed Data returns by `fixtures` attribute
     */
    post: function (match, data) {
      return {
        code: 201
      };
    }
  },
  ...
];

// ./server.js file
var request = require('superagent');
var config = require('./superagent-mock-config');

//Before tests
var superagentMock = require('superagent-mock')(request, config);

...

//After tests
superagentMock.unset();