Added fizzBuzz to coding challenges

Author: ratracegrad

fizzBuzz/fizzBuzz.js

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+/***************************************************************
+ *                                                             *
+ *                       CodePrep.io                           *
+ *                                                             *
+ *   Function:  fizzBuzz(num)                                  *
+ *   Input:    1 number parameter                              *
+ *   Output:   array                                           *
+ *                                                             *
+ *   Output expectations:                                      *
+ *   var myTest = fizzBuss(10);                                *
+ *   console.log(myTest);                                      *
+ *     // [1, 2, fizz, 4, buzz, fizz, 7, 8, fizz, buzz]        *
+ *                                                             *
+ *   Write the code for the fizzBuzz function that             *
+ *   accepts a number input and then loops from 1 to num       *
+ *   and adding the number to an array unless it meets         *
+ *   any of the requirements below.                            *
+ *   It will output the number unless it is a multiple of      *
+ *   3, 5 or 15. If the number is a multiple of 3 the          *
+ *   output should be 'fizz'. If the number is a multiple      *
+ *   of 5 it should output 'buzz'. If the number is a          *
+ *   multiple of 15 it should output 'fizzbuzz'                *
+ *                                                             *
+ **************************************************************/
+
+var fizzBuzz = function(num) {
+    /* YOUR CODE GOES HERE */
+
+};

fizzBuzz/fizzBuzz.test.js

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+var should = require('should');
+var vm = require('vm');
+var fs = require('fs');
+var filename = __filename.replace(/\.test\.js$/, '.js');
+vm.runInThisContext(fs.readFileSync(filename), filename);
+
+
+describe('fizzBuzz', function() {
+    it('should exist', function(){
+        should.exist(fizzBuzz);
+    });
+
+    it('should be a function', function() {
+        fizzBuzz.should.be.a.Function;
+    });
+
+    it('should return an Array', function() {
+        var result = fizzBuzz(5);
+        should.exist(result);
+        result.should.be.an.instanceof(Array);
+    });
+
+    it('should return an empty array if no input provided', function() {
+        var result = fizzBuzz();
+        result.should.be.eql([]);
+    });
+
+    it('should return an array with a single value if input is 1', function(){
+        var result = fizzBuzz(1);
+        result.should.be.eql([1]);
+    });
+
+    it('should have the right number of entries in the Array', function(){
+        var result = fizzBuzz(5);
+        var len = result.length;
+        len.should.be.eql(5);
+    });
+
+    it('should have the right values', function() {
+        var expected = [1,2,'fizz',4,'buzz','fizz',7,8,'fizz','buzz',11,'fizz',13,14,'fizzbuzz'];
+        var result = fizzBuzz(15);
+        result.should.be.eql(expected);
+    });
+
+    it('should not have any special values if input is 2', function() {
+        var expected = [1,2];
+        var result = fizzBuzz(2);
+        result.should.be.eql(expected);
+    });
+
+});

fizzBuzz/package.json

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+{
+  "name": "CodePrep.io_coding_challenges",
+  "author": "Jennifer Bland",
+  "url": "http://www.codeprep.io",
+  "version": "1.0.0",
+  "description": "CodePrep.io presents coding challenges you might face when interviewing for a Full-Stack Developer position",
+  "scripts": {
+    "test": "node ../node_modules/mocha/bin/mocha ./*.test.js"
+  }
+}