Added new tests

package.json

@@ -27,6 +27,7 @@
  "author": "Ashok Dey <[email protected]> (http://ashokdey.in)",
  "license": "MIT",
  "devDependencies": {
+ "chai": "^4.3.9",
  "eslint": "^8.2.0",
  "eslint-config-airbnb": "^19.0.4",
  "eslint-config-prettier": "^8.5.0",

src/_Problems_/Century_fromYear/Century_fromYear.test.js

@@ -0,0 +1,19 @@
+const { expect } = require('chai');
+const getCentury = require('./index');
+
+describe('Century Calculation Function', () => {
+ it('should return the correct century for the year 45', () => {
+ const result = getCentury(45);
+ expect(result).to.equal(1);
+ });
+
+ it('should return the correct century for the year 175', () => {
+ const result = getCentury(175);
+ expect(result).to.equal(2);
+ });
+
+ it('should return the correct century for the year 2023', () => {
+ const result = getCentury(2023);
+ expect(result).to.equal(21);
+ });
+});

src/_Problems_/Century_fromYear/index.js

@@ -0,0 +1,7 @@
+function getCentury(year) {
+ // Your century calculation logic here
+ return Math.ceil(year / 100);
+}
+
+// Export the getCentury function for testing
+module.exports = getCentury;

src/_Problems_/convert-to-milliseconds/convert-to-milliseconds.test.js

@@ -0,0 +1,19 @@
+const { expect } = require('chai');
+const timeSinceMidnight = require('./index');
+
+describe('Time Since Midnight Calculation', () => {
+ it('should return the correct time in milliseconds for 1 hour, 15 minutes, and 30 seconds', () => {
+ const result = timeSinceMidnight(1, 15, 30);
+ expect(result).to.equal(4530000);
+ });
+
+ it('should return 0 milliseconds for midnight (0 hours, 0 minutes, 0 seconds)', () => {
+ const result = timeSinceMidnight(0, 0, 0);
+ expect(result).to.equal(0);
+ });
+
+ it('should return the correct time in milliseconds for 23 hours, 59 minutes, and 59 seconds', () => {
+ const result = timeSinceMidnight(23, 59, 59);
+ expect(result).to.equal(86399000);
+ });
+});

src/_Problems_/convert-to-milliseconds/index.js

@@ -0,0 +1,6 @@
+function timeSinceMidnight(h, m, s) {
+ // Convert hours, minutes, and seconds to milliseconds and calculate the total
+ return (h * 3600 + m * 60 + s) * 1000;
+}
+
+module.exports = timeSinceMidnight;

src/_Problems_/roman-numerals-encoder/index.js

@@ -0,0 +1,18 @@
+function integerToRoman(num) {
+ // Define the Roman numeral symbols and their corresponding values
+ const symbols = ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I'];
+ const values = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1];
+
+ let romanNumeral = '';
+
+ for (let i = 0; i < symbols.length; i++) {
+ while (num >= values[i]) {
+ romanNumeral += symbols[i];
+ num -= values[i];
+ }
+ }
+
+ return romanNumeral;
+}
+
+module.exports = integerToRoman;

src/_Problems_/roman-numerals-encoder/roman-numerals-encoder.test.js

@@ -0,0 +1,24 @@
+const { expect } = require('chai');
+const integerToRoman = require('./index');
+
+describe('Integer to Roman Numeral Conversion', () => {
+ it('should return "IV" for the integer 4', () => {
+ const result = integerToRoman(4);
+ expect(result).to.equal('IV');
+ });
+
+ it('should return "IX" for the integer 9', () => {
+ const result = integerToRoman(9);
+ expect(result).to.equal('IX');
+ });
+
+ it('should return "LVIII" for the integer 58', () => {
+ const result = integerToRoman(58);
+ expect(result).to.equal('LVIII');
+ });
+
+ it('should return "MCMXCIV" for the integer 1994', () => {
+ const result = integerToRoman(1994);
+ expect(result).to.equal('MCMXCIV');
+ });
+});