[Test coverage] add to cart simple/virtual products with custom options

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/AddSimpleProductToCartTest.php

@@ -7,11 +7,12 @@
 
 namespace Magento\GraphQl\Quote;
 
-use Magento\TestFramework\Helper\Bootstrap;
-use Magento\TestFramework\TestCase\GraphQlAbstract;
+use Magento\Catalog\Api\ProductCustomOptionRepositoryInterface;
 use Magento\Quote\Model\QuoteFactory;
 use Magento\Quote\Model\QuoteIdToMaskedQuoteIdInterface;
 use Magento\Quote\Model\ResourceModel\Quote as QuoteResource;
+use Magento\TestFramework\Helper\Bootstrap;
+use Magento\TestFramework\TestCase\GraphQlAbstract;
 
 class AddSimpleProductToCartTest extends GraphQlAbstract
 {
@@ -30,6 +31,11 @@ class AddSimpleProductToCartTest extends GraphQlAbstract
      */
     private $quoteIdToMaskedId;
 
+    /**
+     * @var ProductCustomOptionRepositoryInterface
+     */
+    private $productCustomOptionsRepository;
+
     /**
      * @inheritdoc
      */
@@ -39,6 +45,73 @@ protected function setUp()
         $this->quoteResource = $objectManager->get(QuoteResource::class);
         $this->quoteFactory = $objectManager->get(QuoteFactory::class);
         $this->quoteIdToMaskedId = $objectManager->get(QuoteIdToMaskedQuoteIdInterface::class);
+        $this->productCustomOptionsRepository = $objectManager->get(ProductCustomOptionRepositoryInterface::class);
+    }
+
+    /**
+     * Test adding a simple product to the shopping cart with all supported
+     * customizable options assigned
+     *
+     * @magentoApiDataFixture Magento/Catalog/_files/product_simple_with_options.php
+     * @magentoApiDataFixture Magento/Checkout/_files/active_quote.php
+     */
+    public function testAddSimpleProductWithOptions()
+    {
+        $sku = 'simple';
+        $qty = 1;
+
+        $customOptionsValues = $this->getCustomOptionsValuesForQuery($sku);
+
+        /* Generate customizable options fragment for GraphQl request */
+        $queryCustomizableOptions = preg_replace('/"([^"]+)"\s*:\s*/', '$1:', json_encode($customOptionsValues));
+
+        $maskedQuoteId = $this->getMaskedQuoteId();
+
+        $query = <<<QUERY
+mutation {  
+  addSimpleProductsToCart(
+    input: {
+      cart_id: "{$maskedQuoteId}", 
+      cartItems: [
+        {
+          data: {
+            qty: $qty
+            sku: "$sku"
+          },
+          customizable_options: $queryCustomizableOptions  
+        }
+      ]
+    }
+  ) {
+    cart {
+      items {
+        ... on SimpleCartItem {
+          customizable_options {
+            label
+              values {
+                value  
+              }
+            }
+        }
+      }
+    }
+  }
+}
+QUERY;
+
+        $response = $this->graphQlQuery($query);
+
+        self::assertArrayHasKey('items', $response['addSimpleProductsToCart']['cart']);
+        self::assertCount(1, $response['addSimpleProductsToCart']['cart']);
+
+        $customizableOptionsOutput = $response['addSimpleProductsToCart']['cart']['items'][0]['customizable_options'];
+        $assignedOptionsCount = count($customOptionsValues);
+        for ($counter = 0; $counter < $assignedOptionsCount; $counter++) {
+            self::assertEquals(
+                $customOptionsValues[$counter]['value'],
+                $customizableOptionsOutput[$counter]['values'][0]['value']
+            );
+        }
     }
 
     /**
@@ -78,7 +151,7 @@ public function testAddSimpleProductToCartWithNegativeQty()
     /**
      * @return string
      */
-    public function getMaskedQuoteId() : string
+    private function getMaskedQuoteId() : string
     {
         $quote = $this->quoteFactory->create();
         $this->quoteResource->load($quote, 'test_order_1', 'reserved_order_id');
@@ -160,4 +233,86 @@ public function testAddProductWithWrongCartHash()
 
         $this->graphQlQuery($query);
     }
+
+    /**
+     * Test adding a simple product with empty values for required options
+     *
+     * @magentoApiDataFixture Magento/Catalog/_files/product_simple_with_options.php
+     * @magentoApiDataFixture Magento/Checkout/_files/active_quote.php
+     */
+    public function testAddSimpleProductWithNoRequiredOptionsSet()
+    {
+        $sku = 'simple';
+        $qty = 1;
+
+        $maskedQuoteId = $this->getMaskedQuoteId();
+
+        $query = <<<QUERY
+mutation {  
+  addSimpleProductsToCart(
+    input: {
+      cart_id: "{$maskedQuoteId}", 
+      cartItems: [
+        {
+          data: {
+            qty: $qty
+            sku: "$sku"
+          }
+        }
+      ]
+    }
+  ) {
+    cart {
+      items {
+        ... on SimpleCartItem {
+          customizable_options {
+            label
+              values {
+                value  
+              }
+            }
+        }
+      }
+    }
+  }
+}
+QUERY;
+
+        self::expectExceptionMessage(
+            'The product\'s required option(s) weren\'t entered. Make sure the options are entered and try again.'
+        );
+
+        $this->graphQlQuery($query);
+    }
+
+    /**
+     * Generate an array with test values for customizable options
+     * based on the option type
+     *
+     * @param string $sku
+     * @return array
+     */
+    private function getCustomOptionsValuesForQuery(string $sku): array
+    {
+        $customOptions = $this->productCustomOptionsRepository->getList($sku);
+        $customOptionsValues = [];
+
+        foreach ($customOptions as $customOption) {
+            $optionType = $customOption->getType();
+            if ($optionType == 'field' || $optionType == 'area') {
+                $customOptionsValues[] = [
+                    'id' => (int) $customOption->getOptionId(),
+                    'value' => 'test'
+                ];
+            } elseif ($optionType == 'drop_down') {
+                $optionSelectValues = $customOption->getValues();
+                $customOptionsValues[] = [
+                    'id' => (int) $customOption->getOptionId(),
+                    'value' => reset($optionSelectValues)->getOptionTypeId()
+                ];
+            }
+        }
+
+        return $customOptionsValues;
+    }
 }