currency-converter/spec/tests.js

currency-converter ==================

var chai    = require('chai');
var expect  = require('chai').should();
var cc      = require('../index.js')({ CLIENTKEY: require('../app/config/OER_KEY.js') });

chai.use(require('chai-as-promised'));


describe('conversionRates', function () {
  it('should reject invalid country codes not found in currencies library', function  () {
    return cc.rates('BITCOIN', 'USD').should.be.rejected;
  });

  it('should return a conversion rate input', function () {
    return cc.rates('USD', 'EUR').should.eventually.be.a('number');
  });

  it('should resolve on lower case country codes', function () {
    return cc.rates('usd', 'eur').should.be.ok;
  });
});


describe('currencyConversion', function () {
  it('should reject when amount isNaN', function () {
    return cc.convert('test', 'USD', 'EUR').should.be.rejected;
  });

  it('should return with the converted rate', function () {
    return cc.convert(1, 'USD', 'EUR').should.eventually.have.property('amount').that.is.not.equal(1);
  });

  it('should convert negative numbers', function () {
    return cc.convert(-1, 'USD', 'EUR').should.eventually.have.property('amount').that.is.not.equal(-1);
  });

  it('should return an object with the following properties', function () {
    return cc.convert(1, 'USD', 'EUR').should.eventually.include.keys('amount', 'symbol', 'currency');
  });

  it('should return the currency in the desired country code', function () {
    return cc.convert('1', 'USD', 'EUR').should.eventually.have.property('currency').that.equals('EUR');
  });
});