MAGETWO-57145: [Backport] Unable to assign blank value to attribute #3545 #4910 #5485 - for 2.0

Author: zakdma

app/code/Magento/Catalog/view/adminhtml/web/js/options.js

@@ -42,9 +42,6 @@ define([
                         data.intype = optionDefaultInputType;
                     }
 
-                    if (!this.totalItems) {
-                        data.checked = 'checked';
-                    }
                     element = this.template({
                         data: data
                     });

dev/tests/functional/tests/app/Magento/Catalog/Test/Repository/CatalogProductAttribute/Options.xml

@@ -22,5 +22,16 @@
                 <item name="admin" xsi:type="string">white</item>
             </field>
         </dataset>
+
+        <dataset name="two_options_no_default">
+            <field name="0" xsi:type="array">
+                <item name="is_default" xsi:type="string">No</item>
+                <item name="admin" xsi:type="string">black</item>
+            </field>
+            <field name="1" xsi:type="array">
+                <item name="is_default" xsi:type="string">No</item>
+                <item name="admin" xsi:type="string">white</item>
+            </field>
+        </dataset>
     </repository>
 </config>

dev/tests/functional/tests/app/Magento/Catalog/Test/TestCase/ProductAttribute/CreateProductAttributeEntityTest.xml

@@ -190,5 +190,30 @@
             <data name="productAttribute/data/is_comparable" xsi:type="string">Yes</data>
             <constraint name="Magento\Catalog\Test\Constraint\AssertProductAttributeIsUnique" />
         </variation>
+        <variation name="CreateProductAttributeEntityTestVariation10"
+                   summary="Create Product DropDown Attripute With No Selected Value" ticketId="MAGETWO-64025">
+            <data name="attributeSet/dataset" xsi:type="string">custom_attribute_set</data>
+            <data name="productAttribute/data/frontend_label" xsi:type="string">Dropdown_Admin_%isolation%</data>
+            <data name="productAttribute/data/frontend_input" xsi:type="string">Dropdown</data>
+            <data name="productAttribute/data/options/dataset" xsi:type="string">two_options_no_default</data>
+            <data name="productAttribute/data/is_required" xsi:type="string">No</data>
+            <data name="productAttribute/data/attribute_code" xsi:type="string">attr_dropdown_%isolation%</data>
+            <data name="productAttribute/data/is_global" xsi:type="string">Global</data>
+            <data name="productAttribute/data/is_unique" xsi:type="string">No</data>
+            <data name="productAttribute/data/is_searchable" xsi:type="string">Yes</data>
+            <data name="productAttribute/data/is_visible_in_advanced_search" xsi:type="string">Yes</data>
+            <data name="productAttribute/data/is_comparable" xsi:type="string">Yes</data>
+            <data name="productAttribute/data/is_filterable" xsi:type="string">Filterable (with results)</data>
+            <data name="productAttribute/data/is_filterable_in_search" xsi:type="string">Yes</data>
+            <data name="productAttribute/data/is_html_allowed_on_front" xsi:type="string">Yes</data>
+            <data name="productAttribute/data/is_visible_on_front" xsi:type="string">Yes</data>
+            <data name="productAttribute/data/used_in_product_listing" xsi:type="string">Yes</data>
+            <data name="productAttribute/data/used_for_sort_by" xsi:type="string">Yes</data>
+            <data name="assertProduct/data/name" xsi:type="string">Product name</data>
+            <data name="assertProduct/data/sku" xsi:type="string">product-sku</data>
+            <data name="assertProduct/data/price" xsi:type="string">35</data>
+            <constraint name="Magento\Catalog\Test\Constraint\AssertProductAttributeInGrid" />
+            <constraint name="Magento\Catalog\Test\Constraint\AssertAttributeForm" />
+        </variation>
     </testCase>
 </config>

dev/tests/functional/testsuites/Magento/Mtf/TestSuite/InjectableTests/MAGETWO-57145.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © 2016 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="../../../../../vendor/magento/mtf/Magento/Mtf/TestRunner/etc/testRunner.xsd">
+    <rule scope="testsuite">
+        <allow>
+            <class value="Magento\Catalog\Test\TestCase\ProductAttribute\CreateProductAttributeEntityTest" />
+        </allow>
+    </rule>
+</config>