Add test updating bundle cart item quantity

Author: pmclain

dev/tests/api-functional/testsuite/Magento/GraphQl/Bundle/AddBundleProductToCartTest.php

@@ -144,6 +144,67 @@ public function testAddBundleProductToCart()
         $this->assertEquals(1, $value['quantity']);
     }
 
+    /**
+     * @magentoApiDataFixture Magento/Bundle/_files/quote_with_bundle_and_options.php
+     * @dataProvider dataProviderTestUpdateBundleItemQuantity
+     */
+    public function testUpdateBundleItemQuantity(int $quantity)
+    {
+        $this->quoteResource->load(
+            $this->quote,
+            'test_cart_with_bundle_and_options',
+            'reserved_order_id'
+        );
+
+        $item = current($this->quote->getAllVisibleItems());
+
+        $maskedQuoteId = $this->quoteIdToMaskedId->execute((int)$this->quote->getId());
+        $mutation = <<<QUERY
+mutation {
+  updateCartItems(
+    input: {
+      cart_id: "{$maskedQuoteId}"
+      cart_items: {
+        cart_item_id: {$item->getId()}
+        quantity: {$quantity}
+      }
+    }
+  ) {
+    cart {
+      items {
+        id
+        quantity
+        product {
+          sku
+        }
+      }
+    }
+  }
+}
+QUERY;
+
+        $response = $this->graphQlMutation($mutation);
+
+        $this->assertArrayHasKey('updateCartItems', $response);
+        $this->assertArrayHasKey('cart', $response['updateCartItems']);
+        $cart = $response['updateCartItems']['cart'];
+        if ($quantity === 0) {
+            $this->assertCount(0, $cart['items']);
+            return;
+        }
+
+        $bundleItem = current($cart['items']);
+        $this->assertEquals($quantity, $bundleItem['quantity']);
+    }
+
+    public function dataProviderTestUpdateBundleItemQuantity(): array
+    {
+        return [
+            [2],
+            [0],
+        ];
+    }
+
     /**
      * @magentoApiDataFixture Magento/Bundle/_files/product_1.php
      * @magentoApiDataFixture Magento/Checkout/_files/active_quote.php

dev/tests/integration/testsuite/Magento/Bundle/_files/quote_with_bundle_and_options.php

@@ -8,7 +8,7 @@
 
 use Magento\TestFramework\Helper\Bootstrap;
 
-require __DIR__ . 'product_with_multiple_options.php';
+require __DIR__ . '/product_with_multiple_options.php';
 
 $objectManager = Bootstrap::getObjectManager();
 
@@ -49,6 +49,14 @@
 $cart->getQuote()->setReservedOrderId('test_cart_with_bundle_and_options');
 $cart->save();
 
+/** @var \Magento\Quote\Model\QuoteIdMask $quoteIdMask */
+$quoteIdMask = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()
+    ->create(\Magento\Quote\Model\QuoteIdMaskFactory::class)
+    ->create();
+$quoteIdMask->setQuoteId($cart->getQuote()->getId());
+$quoteIdMask->setDataChanges(true);
+$quoteIdMask->save();
+
 /** @var $objectManager \Magento\TestFramework\ObjectManager */
 $objectManager = Bootstrap::getObjectManager();
 $objectManager->removeSharedInstance(\Magento\Checkout\Model\Session::class);

dev/tests/integration/testsuite/Magento/Bundle/_files/quote_with_bundle_and_options_rollback.php

@@ -22,7 +22,7 @@
 $quoteIdMask = $objectManager->create(\Magento\Quote\Model\QuoteIdMask::class);
 $quoteIdMask->delete($quote->getId());
 
-require __DIR__ . 'product_with_multiple_options_rollback.php';
+require __DIR__ . '/product_with_multiple_options_rollback.php';
 
 $registry->unregister('isSecureArea');
 $registry->register('isSecureArea', false);