Merge remote-tracking branch 'tango/MC-36978' into MPI-2020-09-14

Author: bubasuma

app/code/Magento/Customer/view/frontend/web/js/validation.js

@@ -11,7 +11,7 @@ define([
     $.validator.addMethod(
         'validate-date',
         function (value, element, params) {
-            var dateFormat = utils.convertToMomentFormat(params.dateFormat);
+            var dateFormat = utils.normalizeDate(params.dateFormat);
 
             if (value === '') {
                 return true;

dev/tests/js/jasmine/tests/app/code/Magento/Customer/frontend/js/validation.test.js

@@ -0,0 +1,40 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/* eslint-disable max-nested-callbacks */
+define([
+    'jquery',
+    'Magento_Customer/js/validation'
+], function ($) {
+    'use strict';
+
+    describe('Testing customer DOB validation to tolerate zeroes in the single digit dates', function () {
+        var params,
+            dataProvider;
+
+        dataProvider = [
+            {
+                format: 'M/d/Y',
+                date: '09/2/18',
+                expects: true
+            },
+            {
+                format: 'M/DD/Y',
+                date: '09/2/18',
+                expects: false
+            }
+        ];
+
+        dataProvider.forEach(function (data) {
+            it('Test date validation for format ' + data.format, function () {
+                params = {
+                    'dateFormat': data.format
+                };
+                expect($.validator.methods['validate-date']
+                    .call($.validator.prototype, data.date, null, params)).toEqual(data.expects);
+            });
+        });
+    });
+});