Adding Unit test for File size!!! (#107)

* Added unit test for File Size
* Added convert-units to the npm modules in travis.yml

.travis.yml

@@ -2,4 +2,5 @@ language: node_js
 install:
   - npm install -g mocha
   - npm install chai jsonschema
+  - npm install convert-units
 script: "mocha"

package.json

@@ -17,6 +17,7 @@
   "homepage": "https://github.com/jmhobbs/cultofthepartyparrot.com#readme",
   "devDependencies": {
     "chai": "^3.5.0",
+    "convert-units": "^2.1.0",
     "gulp": "^3.9.1",
     "gulp-data": "^1.2.1",
     "gulp-imagemin": "^3.1.1",

test/parrots_size.js

@@ -0,0 +1,30 @@
+var fs      = require('fs'),
+    assert  = require('chai').assert,
+    convert = require('convert-units');
+
+
+describe("parrots", function() {
+
+    it("in HD should weight less than 64KB", function() {
+
+        var parrot_hd_gifs = fs.readdirSync(__dirname + '/../parrots/hd');
+        parrot_hd_gifs.forEach(function(gif) {
+
+            var size = fs.statSync(__dirname + '/../parrots/hd/' + gif).size;
+            assert(size <= convert(64).from('KB').to('B'), gif + " is too big(" + convert(size).from('B').to('KB') + " KB)");
+
+        });
+    });
+
+    it("in SD should weight less than 64KB", function() {
+
+        var parrot_hd_gifs = fs.readdirSync(__dirname + '/../parrots');
+        parrot_hd_gifs.forEach(function(gif) {
+
+            var size = fs.statSync(__dirname + '/../parrots/' + gif).size;
+            assert(size <= convert(64).from('KB').to('B'), gif + " is too big(" + convert(size).from('B').to('KB') + " KB)");
+
+        });
+    });
+});
+