cucumberjs_example.js

module.exports = function () {
  this.Given("the ATM has $cash", function (cash, done) {
    this.ATM().cashAvailable(Number(cash), done);
  });

  this.When("the user asks the ATM for $cash", function (cash, done) {
    this.ATM().requestCash(Number(cash), done);
  });

  this.Then("the user's account will have $cash",
   function (cash, done) {
    this.DB().accountFor(this.userId).then(function (user) {
      expect(cash).to.be.eql(user.cash);
    }).then(done, done);
  });
};