MC-4277: Address Product Page slowness due to 'product_data_storage' handling

- fix tests

Author: omiroshnichenko

dev/tests/js/jasmine/tests/app/code/Magento/Catalog/frontend/js/product/storage/data-storage.test.js

@@ -49,6 +49,7 @@ define([
             injector.clean();
             injector.remove();
         } catch (e) {}
+        window.localStorage.clear();
     });
 
     describe('Magento_Catalog/js/product/storage/data-storage', function () {
@@ -88,18 +89,20 @@ define([
                 };
             });
 
+            afterEach(function () {
+                window.localStorage.clear();
+            });
+
             it('check calls "dataHandler" method with data', function () {
                 var data = {
                     property: 'value'
                 };
 
                 obj.dataHandler(data);
-                expect(obj.localStorage.set).toHaveBeenCalledWith(data);
-                expect(obj.localStorage.removeAll).not.toHaveBeenCalled();
+                expect(window.localStorage.getItem(obj.namespace)).toBe(JSON.stringify(data));
             });
             it('check calls "dataHandler" method with empty data', function () {
                 obj.dataHandler({});
-                expect(obj.localStorage.set).not.toHaveBeenCalled();
                 expect(obj.localStorage.removeAll).toHaveBeenCalled();
             });
         });

dev/tests/js/jasmine/tests/app/code/Magento/Catalog/frontend/js/product/storage/ids-storage.test.js

@@ -27,6 +27,7 @@ define([
             injector.clean();
             injector.remove();
         } catch (e) {}
+        window.localStorage.clear();
     });
 
     describe('Magento_Catalog/js/product/storage/ids-storage', function () {
@@ -40,13 +41,6 @@ define([
                 expect(obj.localStorage.get).toHaveBeenCalled();
             });
         });
-        describe('"cachesDataFromLocalStorage" method', function () {
-            it('check calls localStorage get method', function () {
-                obj.getDataFromLocalStorage = jasmine.createSpy().and.returnValue({});
-
-                expect(obj.localStorage.get).toHaveBeenCalled();
-            });
-        });
         describe('"initLocalStorage" method', function () {
             it('check returned value', function () {
                 obj.namespace = 'test';
@@ -80,17 +74,16 @@ define([
             it('check calls with data that equal with data in localStorage', function () {
                 obj.internalDataHandler(data);
 
-                expect(obj.localStorage.get).toHaveBeenCalled();
-                expect(obj.localStorage.set).not.toHaveBeenCalled();
+                expect(window.localStorage.getItem(obj.namespace)).toBe(JSON.stringify(data));
             });
 
             it('check calls with data that not equal with data in localStorage', function () {
                 var emptyData = {};
 
+                obj.internalDataHandler(data);
                 obj.internalDataHandler(emptyData);
 
-                expect(obj.localStorage.get).toHaveBeenCalled();
-                expect(obj.localStorage.set).toHaveBeenCalledWith(emptyData);
+                expect(window.localStorage.getItem(obj.namespace)).toBe(JSON.stringify(emptyData));
             });
         });
         describe('"externalDataHandler" method', function () {