MAGETWO-91570: [2.2.x] - [Github]Can not save attribute #5907

dev/tests/integration/testsuite/Magento/Catalog/Controller/Adminhtml/Product/AttributeTest.php

@@ -4,6 +4,7 @@
  * See COPYING.txt for license details.
  */
 namespace Magento\Catalog\Controller\Adminhtml\Product;
+use Magento\Framework\Exception\LocalizedException;
 
 /**
  * @magentoAppArea adminhtml
@@ -224,6 +225,104 @@ public function testSaveActionCleanAttributeLabelCache()
         $this->assertEquals('new string translation', $this->_translate('string to translate'));
     }
 
+    /**
+     * Get attribute data preset.
+     *
+     * @return array
+     */
+    private function getLargeOptionsSetAttributeData()
+    {
+        return [
+            'frontend_label' => [
+                0 => 'testdrop1',
+                1 => '',
+                2 => '',
+            ],
+            'frontend_input' => 'select',
+            'is_required' => '0',
+            'update_product_preview_image' => '0',
+            'use_product_image_for_swatch' => '0',
+            'visual_swatch_validation' => '',
+            'visual_swatch_validation_unique' => '',
+            'text_swatch_validation' => '',
+            'text_swatch_validation_unique' => '',
+            'attribute_code' => 'test_many_options',
+            'is_global' => '0',
+            'default_value_text' => '',
+            'default_value_yesno' => '0',
+            'default_value_date' => '',
+            'default_value_textarea' => '',
+            'is_unique' => '0',
+            'is_used_in_grid' => '1',
+            'is_visible_in_grid' => '1',
+            'is_filterable_in_grid' => '1',
+            'is_searchable' => '0',
+            'is_comparable' => '0',
+            'is_filterable' => '0',
+            'is_filterable_in_search' => '0',
+            'is_used_for_promo_rules' => '0',
+            'is_html_allowed_on_front' => '1',
+            'is_visible_on_front' => '0',
+            'used_in_product_listing' => '0',
+            'used_for_sort_by' => '0',
+            'swatch_input_type' => 'dropdown',
+        ];
+    }
+
+    /**
+     * Test attribute saving with large amount of options exceeding maximum allowed by max_input_vars limit.
+     * @return void
+     */
+    public function testLargeOptionsDataSet()
+    {
+        $maxInputVars = ini_get('max_input_vars');
+        // Each option is at least 4 variables array (order, admin value, first store view value, delete flag).
+        // Set options count to exceed max_input_vars by 100 options (400 variables).
+        $optionsCount = floor($maxInputVars / 4) + 100;
+        $attributeData = $this->getLargeOptionsSetAttributeData();
+        $optionsData = [];
+        $expectedOptionsLabels = [];
+        for ($i = 0; $i < $optionsCount; $i++) {
+            $order = $i + 1;
+            $expectedOptionLabelOnStoreView = "value_{$i}_store_1";
+            $expectedOptionsLabels[$i+1] = $expectedOptionLabelOnStoreView;
+            $optionsData []= "option[order][option_{$i}]={$order}";
+            $optionsData []= "option[value][option_{$i}][0]=value_{$i}_admin";
+            $optionsData []= "option[value][option_{$i}][1]={$expectedOptionLabelOnStoreView}";
+            $optionsData []= "option[delete][option_{$i}=";
+        }
+        $attributeData['serialized_options'] = json_encode($optionsData);
+        $this->getRequest()->setPostValue($attributeData);
+        $this->dispatch('backend/catalog/product_attribute/save');
+        $entityTypeId = $this->_objectManager->create(
+            \Magento\Eav\Model\Entity::class
+        )->setType(
+            \Magento\Catalog\Model\Product::ENTITY
+        )->getTypeId();
+
+        /** @var $attribute \Magento\Catalog\Model\ResourceModel\Eav\Attribute */
+        $attribute = $this->_objectManager->create(
+            \Magento\Catalog\Model\ResourceModel\Eav\Attribute::class
+        )->setEntityTypeId(
+            $entityTypeId
+        );
+        try {
+            $attribute->loadByCode($entityTypeId, 'test_many_options');
+            $options = $attribute->getOptions();
+            // assert that all options are saved without truncation
+            $this->assertEquals(
+                $optionsCount + 1,
+                count($options),
+                'Expected options count does not match (regarding first empty option for non-required attribute)'
+            );
+
+            foreach ($expectedOptionsLabels as $optionOrderNum => $label) {
+                $this->assertEquals($label, $options[$optionOrderNum]->getLabel(), 'Label does not match expected.');
+            }
+        } catch (LocalizedException $e) {
+            $this->fail('Test failed with exception on attribute model load: ' . $e);
+        }
+    }
     /**
      * Return translation for a string literal belonging to backend area
      *