cover changes with jasmine test

Author: Nazar65

dev/tests/js/jasmine/tests/app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/components/dynamic-rows-configurable.test.js

@@ -0,0 +1,53 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/* eslint-disable max-nested-callbacks */
+define([
+    'jquery',
+    'Magento_ConfigurableProduct/js/components/dynamic-rows-configurable',
+    'Magento_Ui/js/dynamic-rows/dynamic-rows'
+], function ($, DynamicRowsConf, DynamicRows) {
+    'use strict';
+
+    describe('Magento_ConfigurableProduct/js/components/dynamic-rows-configurable', function () {
+        var model;
+
+        beforeEach(function () {
+            model = new DynamicRowsConf(new DynamicRows({
+                isEmpty: jasmine.createSpy().and.returnValue(1),
+                isShowAddProductButton: jasmine.createSpy().and.returnValue(1)
+            }));
+
+        });
+
+        it('Verify processingUnionInsertDat method', function () {
+            var expectedData = [],
+                mockData = [
+                {
+                    attributes: 'Color: dsfsd',
+                    sku: 'Conf-sdfs'
+                },
+                {
+                    attributes: 'Color: sdfs',
+                    sku: 'Conf-dsfsd'
+                }
+            ],
+                sourceMock = {
+                    get: jasmine.createSpy().and.returnValue(['code1', 'code2']),
+                    set: jasmine.createSpy().and.callFake(function (path, row) {
+                        expectedData.push(row);
+                    })
+                };
+
+            model.getChildItems = jasmine.createSpy().and.returnValue($(''));
+            model.source = sourceMock;
+            model.processingUnionInsertData(mockData);
+            expect(model.source.get).toHaveBeenCalled();
+            expect(model.getChildItems).toHaveBeenCalled();
+            expect(expectedData[1].sku).toBe(mockData[0].sku);
+        });
+
+    });
+});