more math functions

package.json

@@ -17,5 +17,13 @@
   "license": "MIT",
   "devDependencies": {
     "jest": "^22.1.4"
-  }
-}
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/js6450/UnitTestingCI.git"
+  },
+  "bugs": {
+    "url": "https://github.com/js6450/UnitTestingCI/issues"
+  },
+  "homepage": "https://github.com/js6450/UnitTestingCI#readme"
+}

sketch.js

@@ -29,6 +29,43 @@ function anomalyCode(x) {
   return '5' + x - x;
 }
 
+var numArray = [];
+var arrayLen = 10;
+
+function setArray(arrayLen){
+  for(var i = 0; i < arrayLen; i++){
+    numArray[i] = randInt(0, 100);
+  }
+
+  return numArray;
+}
+
+function randInt(min, max){
+    return Math.round(Math.random(min, max));
+}
+
+function factorize(num){
+  var totalProduct = 1;
+
+  for(var i = 1; i < num + 1; i++){
+    totalProduct *= i;
+  }
+
+  return totalProduct
+}
+
+class Point3D{
+  constructor(x, y, z){
+    this.x = x;
+    this.y = y;
+    this.z = z;
+  }
+}
+
+function inDist(p1, p2, d){
+  return (p1.x - p2.x) * (p1.x - p2.x) + (p1.y - p2.y) * (p1.y - p2.y) + (p1.z - p2.z) * (p1.z - p2.z) < d * d;
+}
+
 function nOfFibonacci(x) {
   let n = parseInt(x, 10);
   return (!n || n < 1) ? -1 : (n < 3 ? 1 : (nOfFibonacci(n-1) + nOfFibonacci(n-2)));
@@ -43,5 +80,10 @@ module.exports = {
   sayHelloTo: sayHelloTo,
   answer: answer,
   anomalyCode: anomalyCode,
+  setArray: setArray,
+  randInt: randInt,
+  factorize: factorize,
+  Point3D: Point3D,
+  inDist: inDist,
   nOfFibonacci: nOfFibonacci
 }

sketch.test.js

@@ -1,3 +1,4 @@
+const { sum, sub, prod, digital_root, sum42, sayHelloTo, anomalyCode, setArray, randInt, factorize, Point3D, inDist } = require('./sketch');
 const { sum, sub, prod, digital_root, sum42, sayHelloTo, anomalyCode, nOfFibonacci } = require('./sketch');
 const fs = require("fs");
 const path = require("path");
@@ -59,7 +60,7 @@ test('prod calculates 2 * 10 = 20', () => {
 
 test('digital root of 265 should equal 4', () => {
   expect(digital_root(265)).toBe(4);
-})
+});
 
 test('Sum42 function exists', () => {
   expect(sum42).toBeDefined();
@@ -71,31 +72,51 @@ test('Sum42 3 + 1 should be 46', () => {
 
 test('Sub function exists', () => {
   expect(sub).toBeDefined();
-})
+});
 
 test('Sub 10 - 3 should be 7', () => {
   expect(sub(10,3)).toBe(7);
-})
+});
 
 test('anomalyCode function exists', () => {
   expect(anomalyCode(1)).toBeDefined();
-})
+});
 
 test('anomalyCode one should be 50', () => {
   expect(anomalyCode(7)).toBe(50);
-})
+});
 
 test('anomalyCode ten should be 500', () => {
   expect(anomalyCode(78)).toBe(500);
-})
+});
 
 test('anomalyCode hundred should be 5000', () => {
   expect(anomalyCode(789)).toBe(5000);
-})
+});
 
 test('anomalyCode thousand should be 50000', () => {
   expect(anomalyCode(7891)).toBe(50000);
-})
+});
+
+test('randInt generates random Integer', () => {
+  expect(Number.isInteger(randInt(1, 5))).toBe(true);
+});
+
+test('array length should match number of elements actually created', () =>{
+  expect(setArray(5).length).toBe(5);
+});
+
+test('factorize 5! should be 120', () => {
+  expect(factorize(5)).toBe(120);
+});
+
+test('Point3D object exists', () => {
+  expect(Point3D).toBeDefined();
+});
+
+test('intDist point (0, 0, 0) and (1, 1, 1) are within distance of 2', () => {
+  expect(inDist(new Point3D(0, 0, 0), new Point3D(1, 1, 1), 2)).toBe(true);
+});
 
 test('the 20th number of fibonacci should be 6765', () => {
   expect(nOfFibonacci(20)).toBe(6765);