node-finance/spec/calcPayment.spec.js

Financial functions for NodeJS

"use strict";

var finance = require('../finance');

describe("calcPayment", function () {
    var calcPayment;
    var amount = 1000;
    var months = 10;
    var rate = 10;
    var expectedResult = 104.64;
    beforeEach(function (){
        calcPayment = finance.calcPayment;
    });

    describe("Test synchronous interface", function () {
        it("calculates payments in synchronous mode", function () {

            var actualResult = calcPayment(amount, months, rate);

            expect(actualResult).toEqual(expectedResult);
        });
    });

    describe("Test Node-Style asynchronous interface", function () {
        it("calculates payments in asynchronous mode and returns in familiar node (err, result) format", function () {

            calcPayment(amount, months, rate, function(err, result){
                expect(result).toEqual(expectedResult);
            });
        });
    });

});