Sending form data using chai-http

chai-http.js

// Sending form data
chai = require('chai');
chaiHttp = require('chai-http')
chai.use(chaiHttp);

stripe_request = chai.request('https://api.stripe.com');

stripe_request.post('/v1/tokens')
              .set('content-type', 'application/x-www-form-urlencoded')
              .send({
                  card:{
                      name: test_user.name, 
                      number: '4242 4242 4242 4242', 
                      cvc: 555, 
                      exp_month: 08, 
                      exp_year: 2018
                  }, 
                   key: stripe_pk_local_key
              })
              .end(function(err, res) {
                  console.log(err);
                  console.log(res.body);
                  // You can continue with your test here
                  done();
              });