Add mocha test bundling with webpack and test running

RoboFile.php

@@ -83,7 +83,7 @@ class RoboFile extends \Robo\Tasks {
     $this->_exec(join(' ', array(
       './node_modules/mocha/bin/mocha',
       '-r tests/javascript/mochaTestHelper.js',
-      'tests/javascript/newsletter_editor/testBundle.js'
+      'tests/javascript/testBundles/**/*.js'
     )));
   }
 

package.json

@@ -29,6 +29,7 @@
     "chai": "2.2.0",
     "chai-jq": "0.0.8",
     "grunt": "^0.4.5",
+    "jquery": "2.1.4",
     "jsdom": "3.1.2",
     "mocha": "2.2.1",
     "napa": "^1.2.0",

tests/javascript/mochaTestHelper.js

@@ -26,3 +26,5 @@ if (!global.document || !global.window) {
         return this.compareDocumentPosition(node) & 16;
     };
 }
+
+global.$ = global.jQuery = global.window.jQuery = require('../../node_modules/jquery/dist/jquery.js');

tests/javascript/newsletter_editor/testAjax.js

@@ -0,0 +1,7 @@
+define('testAjax', [ 'mailpoet', 'ajax'], function(MailPoet) {
+  describe('Ajax submodule', function() {
+    it('has a version', function() {
+      expect(MailPoet.Ajax.version).to.be.a('number');
+    });
+  });
+});

webpack.config.js

@@ -1,8 +1,10 @@
 var path = require('path'),
-    fs = require('fs');
+    fs = require('fs'),
+    _ = require('underscore'),
+    baseConfig;
 
-// webpack.config.js
-module.exports = {
+baseConfig = {
+  name: 'main',
   context: __dirname ,
   entry: {
     admin: './assets/js/admin.js',
@@ -46,3 +48,30 @@ module.exports = {
     'jquery': 'jQuery',
   }
 };
+
+module.exports = [
+  baseConfig,
+
+  // Configuration specific for testing
+  _.extend({}, baseConfig, {
+    name: 'test',
+    entry: {
+      testAjax: 'testAjax.js',
+    },
+    output: {
+      path: './tests/javascript/testBundles',
+      filename: '[name].js',
+    },
+    resolve: {
+      modulesDirectories: [
+        'node_modules',
+        'assets/js',
+        'tests/javascript/newsletter_editor'
+      ],
+      fallback: path.join(__dirname, 'node_modules'),
+      alias: {
+        'handlebars': 'handlebars/runtime.js'
+      }
+    },
+  })
+];