ENGCOM-3453: Added option_id in response for product with customizabl…

…e options. #247

 - Merge Pull Request magento/graphql-ce#247 from VoronoyAlexandr/graphql-ce:235_added_option_id_in_response_for_product_with_customizable_options
 - Merged commits:
   1. 548ca3c

app/code/Magento/CatalogGraphQl/etc/schema.graphqls

@@ -358,6 +358,7 @@ interface CustomizableOptionInterface @typeResolver(class: "Magento\\CatalogGrap
  title: String @doc(description: "The display name for this option")
  required: Boolean @doc(description: "Indicates whether the option is required")
  sort_order: Int @doc(description: "The order in which the option is displayed")
+ option_id: Int @doc(description: "Option ID")
 }
 
 interface CustomizableProductInterface @typeResolver(class: "Magento\\CatalogGraphQl\\Model\\ProductInterfaceTypeResolverComposite") @doc(description: "CustomizableProductInterface contains information about customizable product options.") {

dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/ProductViewTest.php

@@ -90,6 +90,7 @@ public function testQueryAllFieldsSimpleProduct()
  title
  required
  sort_order
+ option_id
  ... on CustomizableFieldOption {
  product_sku
  field_option: value {
@@ -334,6 +335,7 @@ public function testQueryMediaGalleryEntryFieldsSimpleProduct()
  title
  required
  sort_order
+ option_id
  ... on CustomizableFieldOption {
  product_sku
  field_option: value {
@@ -749,7 +751,8 @@ private function assertOptions($product, $actualResponse)
  $assertionMap = [
  ['response_field' => 'sort_order', 'expected_value' => $option->getSortOrder()],
  ['response_field' => 'title', 'expected_value' => $option->getTitle()],
- ['response_field' => 'required', 'expected_value' => $option->getIsRequire()]
+ ['response_field' => 'required', 'expected_value' => $option->getIsRequire()],
+ ['response_field' => 'option_id', 'expected_value' => $option->getOptionId()]
  ];
 
  if (!empty($option->getValues())) {
@@ -773,7 +776,7 @@ private function assertOptions($product, $actualResponse)
  ['response_field' => 'product_sku', 'expected_value' => $option->getProductSku()],
  ]
  );
- $valueKeyName = "";
+
  if ($option->getType() === 'file') {
  $valueKeyName = 'file_option';
  $valueAssertionMap = [