MAGETWO-88232: Images from WYSIWYG (Text, Slider) do not show up on admin preview nor storefront

Add wysiwygAdapter.test.js

Author: danmooney2

dev/tests/js/jasmine/tests/lib/mage/wysiwygAdapter.test.js

@@ -0,0 +1,57 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/* eslint-disable max-nested-callbacks */
+define([
+    'wysiwygAdapter'
+], function (wysiwygAdapter) {
+    'use strict';
+
+    var obj;
+
+    beforeEach(function () {
+        var Constr = function () {};
+
+        Constr.prototype = wysiwygAdapter;
+
+        obj = new Constr();
+        obj.initialize('id', {
+            'directives_url': 'http://example.com/admin/cms/wysiwyg/directive/'
+        });
+    });
+
+    describe('wysiwygAdapter', function () {
+        var decodedHtml = '<p>' +
+            '<img src="{{media url=&quot;wysiwyg/banana.jpg&quot;}}" alt="" width="612" height="459"></p>',
+            encodedHtml = '<p>' +
+            '<img src="http://example.com/admin/cms/wysiwyg/directive/' +
+            '___directive/e3ttZWRpYSB1cmw9Ind5c2l3eWcvYmFuYW5hLmpwZyJ9fQ%2C%2C" alt="" width="612" height="459">' +
+            '</p>',
+            encodedHtmlWithForwardSlashInImgSrc = encodedHtml.replace('%2C%2C', '%2C%2C/');
+
+        describe('"encodeDirectives" method', function () {
+            it('converts media directive img src to directive URL', function () {
+                expect(obj.encodeDirectives(decodedHtml)).toEqual(encodedHtml);
+            });
+        });
+
+        describe('"decodeDirectives" method', function () {
+            it(
+                'converts directive URL img src without a trailing forward slash ' +
+                'to media url without a trailing forward slash',
+                function () {
+                    expect(obj.decodeDirectives(encodedHtml)).toEqual(decodedHtml);
+                }
+            );
+
+            it('converts directive URL img src with a trailing forward slash ' +
+                'to media url without a trailing forward slash',
+                function () {
+                    expect(obj.decodeDirectives(encodedHtmlWithForwardSlashInImgSrc)).toEqual(decodedHtml);
+                }
+            );
+        });
+    });
+});