Merge pull request #65 from ColinX13/colin3

#60 test and solutions

solutions/60.js

@@ -0,0 +1,25 @@
+// Sum of its factors
+// Given a number, return the sum of all of its factors.
+// input: 2
+// output: 3
+
+// Solution by Colin Xie @ColinX13
+
+/*
+* @param {number} x - A number input
+* @returns {number} sum - The sum of all the factors of the number
+*/
+const solution = (x) => {
+  let sum = 0;
+  for(let i = x; i >= 1; i--){
+    if(x % i === 0){
+      sum = sum + i;
+    }
+  }
+  return sum;
+};
+
+module.exports = {
+  solution
+};
+

test/60.js

@@ -0,0 +1,19 @@
+const expect = require('chai').expect;
+let solution = require('../solutions/60').solution;
+// solution = require('./yourSolution').solution; 
+
+describe('sum of factors', () => {
+  it('sum of the factors of 2 is 3', () => {
+    expect(solution(2)).eql(3);
+  });
+  it('sum of the factors of 4 is 7', () => {
+    expect(solution(4)).eql(7);
+  });
+  it('sum of the factors of 10 is 18', () => {
+    expect(solution(10)).eql(18);
+  });
+  it('sum of the factors of 24', () => {
+    expect(solution(24)).eql(60);
+  });
+});
+