Example from http://twolfson.com/2015-01-11-testing-with-other-services

.gitignore

data/
node_modules/

index.js

// Load in test dependencies
var http = require('http');
var eightTrack = require('eight-track');
var expect = require('chai').expect;
var request = require('request');

// Start tests
describe('A request to our server', function () {
  // Create a temporary eight-track server (forwards requests to twolfson.com)
  before(function startEightTrack () {
    this.twolfsonEightTrack = http.createServer(eightTrack({
      url: 'http://twolfson.com',
      fixtureDir: 'data/twolfson-eight-track'
    }));
    this.twolfsonEightTrack.listen(1337);
  });
  after(function cleanup (done) {
    this.twolfsonEightTrack.close(done);
    delete this.twolfsonEightTrack;
  });

  // Make request to eight-track server (could proxy to twolfson.com)
  before(function makeRequestToServer (done) {
    var that = this;
    request({
      url: 'http://localhost:1337/'
    }, function handleRes (err, res, body) {
      // Save body and callback with error
      that.body = body;
      done(err);
    });
  });

  // Make assertions about request
  it('receives the expected content', function () {
    expect(this.body).to.contain('Todd Wolfson');
  });
});

package.json

{
  "name": "gist-eight-track-article-1",
  "version": "1.0.0",
  "description": "Example from http://twolfson.com/2015-01-11-testing-with-other-services",
  "main": "index.js",
  "author": "Todd Wolfson <todd@twolfson.com> (http://twolfson.com/)",
  "license": "UNLICENSE",
  "scripts": {
    "test": "mocha index.js"
  },
  "dependencies": {
    "chai": "~1.10.0",
    "eight-track": "~2.1.0",
    "mocha": "~2.1.0",
    "request": "~2.51.0"
  }
}