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AC-14888: Error getting order item discounts applied_to for customer order via GraphQl customer request
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‎dev/tests/api-functional/testsuite/Magento/GraphQl/Sales/OrderItemDiscountAppliedToTest.php

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<?php
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/**
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* Copyright 2025 Adobe
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* All Rights Reserved.
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*/
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declare(strict_types=1);
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namespace Magento\GraphQl\Sales;
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use Exception;
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use Magento\Catalog\Test\Fixture\Product as ProductFixture;
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use Magento\Checkout\Test\Fixture\PlaceOrder as PlaceOrderFixture;
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use Magento\Checkout\Test\Fixture\SetBillingAddress;
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use Magento\Checkout\Test\Fixture\SetDeliveryMethod as SetDeliveryMethodFixture;
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use Magento\Checkout\Test\Fixture\SetPaymentMethod as SetPaymentMethodFixture;
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use Magento\Checkout\Test\Fixture\SetShippingAddress;
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use Magento\Customer\Test\Fixture\Customer;
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use Magento\Framework\Exception\LocalizedException;
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use Magento\Quote\Test\Fixture\AddProductToCart;
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use Magento\Quote\Test\Fixture\ApplyCoupon as ApplyCouponFixture;
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use Magento\Quote\Test\Fixture\CustomerCart;
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use Magento\SalesRule\Model\Rule as SalesRule;
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use Magento\SalesRule\Test\Fixture\Rule as SalesRuleFixture;
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use Magento\TestFramework\Fixture\DataFixture;
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use Magento\TestFramework\Fixture\DataFixtureStorage;
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use Magento\TestFramework\Fixture\DataFixtureStorageManager;
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use Magento\TestFramework\Helper\Bootstrap;
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use Magento\TestFramework\TestCase\GraphQlAbstract;
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/**
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* Test customer orders GraphQL query with coupon codes
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*/
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class OrderItemDiscountAppliedToTest extends GraphQlAbstract
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{
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private const COUPON_CODE = 'COUPON-CODE-2025';
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private const DISCOUNT_AMOUNT = 10;
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/**
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* @var DataFixtureStorage
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*/
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private $fixtures;
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/**
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* @inheritDoc
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* @throws LocalizedException
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*/
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protected function setUp(): void
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{
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parent::setUp();
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$this->fixtures = Bootstrap::getObjectManager()->get(DataFixtureStorageManager::class)->getStorage();
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}
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/**
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* Test that applied_to field returns correct value for item-level discounts
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*
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* @throws Exception
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*/
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#[
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DataFixture(
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SalesRuleFixture::class,
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[
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'name' => 'Test Sales Rule with Coupon',
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'is_active' => 1,
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'coupon_type' => SalesRule::COUPON_TYPE_SPECIFIC,
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'coupon_code' => self::COUPON_CODE,
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'discount_amount' => self::DISCOUNT_AMOUNT,
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'simple_action' => 'by_percent',
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'stop_rules_processing' => false,
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'is_advanced' => 1
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],
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as: 'sales_rule'
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),
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DataFixture(
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ProductFixture::class,
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[
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'price' => 100.00,
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'sku' => 'test-product-coupon'
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],
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as: 'product'
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),
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DataFixture(Customer::class, as: 'customer'),
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DataFixture(CustomerCart::class, ['customer_id' => '$customer.id$'], as: 'cart'),
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DataFixture(
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AddProductToCart::class,
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[
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'cart_id' => '$cart.id$',
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'product_id' => '$product.id$',
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'qty' => 1
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]
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),
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DataFixture(
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ApplyCouponFixture::class,
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[
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'cart_id' => '$cart.id$',
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'coupon_codes' => [self::COUPON_CODE]
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]
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),
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DataFixture(SetBillingAddress::class, ['cart_id' => '$cart.id$']),
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DataFixture(SetShippingAddress::class, ['cart_id' => '$cart.id$']),
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DataFixture(SetDeliveryMethodFixture::class, ['cart_id' => '$cart.id$']),
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DataFixture(SetPaymentMethodFixture::class, ['cart_id' => '$cart.id$']),
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DataFixture(PlaceOrderFixture::class, ['cart_id' => '$cart.id$'], 'order')
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]
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public function testOrderItemDiscountAppliedToFieldForItemDiscount()
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{
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$customer = $this->fixtures->get('customer');
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$currentEmail = $customer->getEmail();
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$currentPassword = 'password';
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// Generate customer token
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$generateToken = $this->generateCustomerTokenMutation($currentEmail, $currentPassword);
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$tokenResponse = $this->graphQlMutation($generateToken);
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$customerToken = $tokenResponse['generateCustomerToken']['token'];
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// Query customer orders with detailed item information including discounts and coupons
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$query = $this->getCustomerOrdersWithCouponQuery();
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$response = $this->graphQlQuery(
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$query,
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[],
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'',
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$this->getCustomerHeaders($customerToken)
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);
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// Validate response structure
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$this->assertArrayHasKey('customer', $response);
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$this->assertArrayHasKey('orders', $response['customer']);
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$this->assertArrayHasKey('items', $response['customer']['orders']);
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$this->assertNotEmpty($response['customer']['orders']['items']);
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$order = $response['customer']['orders']['items'][0];
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// Validate order has items
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$this->assertArrayHasKey('items', $order);
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$this->assertNotEmpty($order['items']);
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$orderItem = $order['items'][0];
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// Validate order item structure
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$this->assertArrayHasKey('product_sku', $orderItem);
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$this->assertEquals('test-product-coupon', $orderItem['product_sku']);
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$this->assertArrayHasKey('discounts', $orderItem);
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$this->assertNotEmpty($orderItem['discounts']);
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$discount = $orderItem['discounts'][0];
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$this->assertArrayHasKey('applied_to', $discount);
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$this->assertEquals('ITEM', $discount['applied_to']);
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}
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/**
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* Test that applied_to field returns correct value for shipping discounts
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*
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* @throws Exception
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*/
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#[
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DataFixture(
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SalesRuleFixture::class,
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[
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'name' => 'Test Shipping Discount Rule',
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'is_active' => 1,
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'coupon_type' => SalesRule::COUPON_TYPE_NO_COUPON,
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'discount_amount' => self::DISCOUNT_AMOUNT,
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'simple_action' => 'by_percent',
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'apply_to_shipping' => 1,
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'stop_rules_processing' => false,
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'is_advanced' => 1
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],
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as: 'sales_rule'
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),
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DataFixture(
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ProductFixture::class,
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[
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'price' => 100.00,
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'sku' => 'test-product-coupon'
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],
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as: 'product'
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),
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DataFixture(Customer::class, as: 'customer'),
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DataFixture(CustomerCart::class, ['customer_id' => '$customer.id$'], as: 'cart'),
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DataFixture(
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AddProductToCart::class,
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[
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'cart_id' => '$cart.id$',
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'product_id' => '$product.id$',
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'qty' => 1
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]
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),
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DataFixture(SetBillingAddress::class, ['cart_id' => '$cart.id$']),
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DataFixture(SetShippingAddress::class, ['cart_id' => '$cart.id$']),
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DataFixture(SetDeliveryMethodFixture::class, ['cart_id' => '$cart.id$']),
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DataFixture(SetPaymentMethodFixture::class, ['cart_id' => '$cart.id$']),
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DataFixture(PlaceOrderFixture::class, ['cart_id' => '$cart.id$'], 'order')
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]
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public function testOrderItemDiscountAppliedToFieldForShippingDiscount()
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{
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$customer = $this->fixtures->get('customer');
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$currentEmail = $customer->getEmail();
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$currentPassword = 'password';
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// Generate customer token
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$generateToken = $this->generateCustomerTokenMutation($currentEmail, $currentPassword);
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$tokenResponse = $this->graphQlMutation($generateToken);
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$customerToken = $tokenResponse['generateCustomerToken']['token'];
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// Query customer orders with detailed item information including discounts and coupons
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$query = $this->getCustomerOrdersWithCouponQuery();
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$response = $this->graphQlQuery(
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$query,
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[],
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'',
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$this->getCustomerHeaders($customerToken)
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);
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// Validate response structure
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$this->assertArrayHasKey('customer', $response);
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$this->assertArrayHasKey('orders', $response['customer']);
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$this->assertArrayHasKey('items', $response['customer']['orders']);
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$this->assertNotEmpty($response['customer']['orders']['items']);
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$order = $response['customer']['orders']['items'][0];
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// Validate order has items
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$this->assertArrayHasKey('items', $order);
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$this->assertNotEmpty($order['items']);
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$orderItem = $order['items'][0];
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// Validate order item structure
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$this->assertArrayHasKey('product_sku', $orderItem);
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$this->assertEquals('test-product-coupon', $orderItem['product_sku']);
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$this->assertArrayHasKey('discounts', $orderItem);
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$this->assertNotEmpty($orderItem['discounts']);
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$discount = $orderItem['discounts'][0];
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$this->assertArrayHasKey('applied_to', $discount);
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$this->assertEquals('SHIPPING', $discount['applied_to']);
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}
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/**
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* Get GraphQL query for customer orders with coupon information
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*
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* @return string
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*/
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private function getCustomerOrdersWithCouponQuery(): string
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{
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return <<<QUERY
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query {
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customer {
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firstname
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lastname
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orders {
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items {
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order_number
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status
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order_date
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items {
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product_sku
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product_name
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quantity_ordered
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discounts {
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applied_to
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}
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}
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}
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page_info {
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current_page
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page_size
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total_pages
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}
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total_count
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}
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}
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}
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QUERY;
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}
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/**
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* Generate customer token mutation
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*
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* @param string $email
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* @param string $password
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* @return string
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*/
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private function generateCustomerTokenMutation(string $email, string $password): string
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{
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return <<<MUTATION
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mutation {
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generateCustomerToken(
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email: "{$email}"
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password: "{$password}"
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) {
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token
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}
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}
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MUTATION;
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}
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/**
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* Get customer authorization headers
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*
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* @param string $token
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* @return array
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*/
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private function getCustomerHeaders(string $token): array
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{
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return [
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'Authorization' => 'Bearer ' . $token,
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'Store' => 'default'
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];
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}
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}

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