portunus/dist/portunus.test.js

Converts from decimal numbers to roman numerals and the other way around.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const portunus_1 = require("./portunus");
describe('portunus', () => {
    const numeralToDecimalIOMap = {
        'CCLIV': 254,
        'CCLV': 255,
        'MMCDXXI': 2421,
        'XXXIX': 39,
        'CCXLVI': 246,
        'CLX': 160,
        'CCVII': 207,
        'MLXVI': 1066,
        'MDCCLXXVI': 1776,
        'MCMLIV': 1954,
        'MCMXC': 1990,
        'MMXIV': 2014,
        'MMXIX': 2019,
    };
    const decimalToNumeralIOMap = Object.keys(numeralToDecimalIOMap)
        .reduce((acc, currentValue) => {
        return Object.assign({ [numeralToDecimalIOMap[currentValue]]: currentValue }, acc);
    }, {});
    for (const [numeral, decimal] of Object.entries(numeralToDecimalIOMap)) {
        it(`should return ${decimal} when given ${numeral}`, () => {
            expect(portunus_1.portunus(numeral).convertedValue).toBe(decimal);
        });
    }
    for (const [decimal, numeral] of Object.entries(decimalToNumeralIOMap)) {
        it(`should return ${numeral} when given ${decimal}`, () => {
            expect(portunus_1.portunus(parseInt(decimal, 10)).convertedValue).toBe(numeral);
        });
    }
    it('should return CCXCIII when given 293', () => {
        expect(portunus_1.portunus(293).convertedValue).toBe('CCXCIII');
    });
});
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