Introduce oxxo payment (WIP)

modules/ppcp-wc-gateway/services.php

@@ -30,6 +30,8 @@ use WooCommerce\PayPalCommerce\WcGateway\Checkout\DisableGateways;
 use WooCommerce\PayPalCommerce\WcGateway\Endpoint\ReturnUrlEndpoint;
 use WooCommerce\PayPalCommerce\WcGateway\FundingSource\FundingSourceRenderer;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\CreditCardGateway;
+use WooCommerce\PayPalCommerce\WcGateway\Gateway\OXXO\OXXO;
+use WooCommerce\PayPalCommerce\WcGateway\Gateway\OXXO\OXXOGateway;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayPalGateway;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayUponInvoice\FraudNet;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayUponInvoice\FraudNetSessionId;
@@ -38,6 +40,7 @@ use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayUponInvoice\PaymentSourceFac
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayUponInvoice\PayUponInvoice;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayUponInvoice\PayUponInvoiceGateway;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\TransactionUrlProvider;
+use WooCommerce\PayPalCommerce\WcGateway\Helper\CheckoutHelper;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\DCCProductStatus;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\PayUponInvoiceHelper;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\PayUponInvoiceProductStatus;
@@ -2155,6 +2158,9 @@ return array(
 			$container->get( 'wcgateway.settings' )
 		);
 	},
+	'wcgateway.checkout-helper'                         => static function ( ContainerInterface $container ): CheckoutHelper {
+		return new CheckoutHelper();
+	},
 	'wcgateway.pay-upon-invoice-order-endpoint'         => static function ( ContainerInterface $container ): PayUponInvoiceOrderEndpoint {
 		return new PayUponInvoiceOrderEndpoint(
 			$container->get( 'api.host' ),
@@ -2175,7 +2181,8 @@ return array(
 			$container->get( 'onboarding.environment' ),
 			$container->get( 'wcgateway.transaction-url-provider' ),
 			$container->get( 'woocommerce.logger.woocommerce' ),
-			$container->get( 'wcgateway.pay-upon-invoice-helper' )
+			$container->get( 'wcgateway.pay-upon-invoice-helper' ),
+			$container->get( 'wcgateway.checkout-helper' )
 		);
 	},
 	'wcgateway.pay-upon-invoice-fraudnet-session-id'    => static function ( ContainerInterface $container ): FraudNetSessionId {
@@ -2193,7 +2200,9 @@ return array(
 		);
 	},
 	'wcgateway.pay-upon-invoice-helper'                 => static function( ContainerInterface $container ): PayUponInvoiceHelper {
-		return new PayUponInvoiceHelper();
+		return new PayUponInvoiceHelper(
+			$container->get( 'wcgateway.checkout-helper' )
+		);
 	},
 	'wcgateway.pay-upon-invoice-product-status'         => static function( ContainerInterface $container ): PayUponInvoiceProductStatus {
 		return new PayUponInvoiceProductStatus(
@@ -2214,9 +2223,18 @@ return array(
 			$container->get( 'wcgateway.is-ppcp-settings-page' ),
 			$container->get( 'wcgateway.current-ppcp-settings-page-id' ),
 			$container->get( 'wcgateway.pay-upon-invoice-product-status' ),
-			$container->get( 'wcgateway.pay-upon-invoice-helper' )
+			$container->get( 'wcgateway.pay-upon-invoice-helper' ),
+			$container->get( 'wcgateway.checkout-helper' )
 		);
 	},
+	'wcgateway.oxxo'                                    => static function( ContainerInterface $container ): OXXO {
+		return new OXXO(
+			$container->get( 'wcgateway.checkout-helper' )
+		);
+	},
+	'wcgateway.oxxo-gateway'                            => static function( ContainerInterface $container ): OXXOGateway {
+		return new OXXOGateway();
+	},
 	'wcgateway.logging.is-enabled'                      => function ( ContainerInterface $container ) : bool {
 		$settings = $container->get( 'wcgateway.settings' );
 

modules/ppcp-wc-gateway/src/Gateway/OXXO/OXXO.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * OXXO integration.
+ *
+ * @package WooCommerce\PayPalCommerce\WcGateway\Gateway\OXXO
+ */
+
+declare(strict_types=1);
+
+namespace WooCommerce\PayPalCommerce\WcGateway\Gateway\OXXO;
+
+use WooCommerce\PayPalCommerce\WcGateway\Helper\CheckoutHelper;
+
+/**
+ * Class OXXO.
+ */
+class OXXO {
+
+	/**
+	 * The checkout helper.
+	 *
+	 * @var CheckoutHelper
+	 */
+	protected $checkout_helper;
+
+	/**
+	 * OXXO constructor.
+	 *
+	 * @param CheckoutHelper $checkout_helper The checkout helper.
+	 */
+	public function __construct( CheckoutHelper $checkout_helper ) {
+
+		$this->checkout_helper = $checkout_helper;
+	}
+
+	/**
+	 * Initializes OXXO integration.
+	 */
+	public function init() {
+
+		add_filter(
+			'woocommerce_available_payment_gateways',
+			function ( array $methods ): array {
+
+				if ( ! $this->checkout_allowed_for_oxxo() ) {
+					unset( $methods[ OXXOGateway::ID ] );
+				}
+
+				return $methods;
+			}
+		);
+	}
+
+	/**
+	 * Checks if checkout is allowed for OXXO.
+	 *
+	 * @return bool
+	 */
+	private function checkout_allowed_for_oxxo(): bool {
+		if ( 'MXN' !== get_woocommerce_currency() ) {
+			return false;
+		}
+
+		$billing_country = filter_input( INPUT_POST, 'country', FILTER_SANITIZE_STRING ) ?? null;
+		if ( $billing_country && 'MX' !== $billing_country ) {
+			return false;
+		}
+
+		if ( ! $this->checkout_helper->is_checkout_amount_allowed( 0, 10000 ) ) {
+			return false;
+		}
+
+		return true;
+	}
+}

modules/ppcp-wc-gateway/src/Gateway/OXXO/OXXOGateway.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * The OXXO Gateway
+ *
+ * @package WooCommerce\PayPalCommerce\WcGateway\Gateway
+ */
+
+declare(strict_types=1);
+
+namespace WooCommerce\PayPalCommerce\WcGateway\Gateway\OXXO;
+
+use WC_Payment_Gateway;
+
+/**
+ * Class PayUponInvoiceGateway.
+ */
+class OXXOGateway extends WC_Payment_Gateway {
+	const ID = 'ppcp-oxxo-gateway';
+
+	/**
+	 * OXXOGateway constructor.
+	 */
+	public function __construct() {
+		 $this->id = self::ID;
+
+		$this->method_title       = __( 'OXXO', 'woocommerce-paypal-payments' );
+		$this->method_description = __( 'OXXO is a Mexican chain of convenience stores.', 'woocommerce-paypal-payments' );
+
+		$gateway_settings  = get_option( 'woocommerce_ppcp-oxxo-gateway_settings' );
+		$this->title       = $gateway_settings['title'] ?? $this->method_title;
+		$this->description = $gateway_settings['description'] ?? __( 'OXXO allows you to pay bills and online purchases in-store with cash.', 'woocommerce-paypal-payments' );
+
+		$this->init_form_fields();
+		$this->init_settings();
+
+		add_action(
+			'woocommerce_update_options_payment_gateways_' . $this->id,
+			array(
+				$this,
+				'process_admin_options',
+			)
+		);
+	}
+
+	/**
+	 * Initialize the form fields.
+	 */
+	public function init_form_fields() {
+		$this->form_fields = array(
+			'enabled'     => array(
+				'title'       => __( 'Enable/Disable', 'woocommerce-paypal-payments' ),
+				'type'        => 'checkbox',
+				'label'       => __( 'OXXO', 'woocommerce-paypal-payments' ),
+				'default'     => 'no',
+				'desc_tip'    => true,
+				'description' => __( 'Enable/Disable OXXO payment gateway.', 'woocommerce-paypal-payments' ),
+			),
+			'title'       => array(
+				'title'       => __( 'Title', 'woocommerce-paypal-payments' ),
+				'type'        => 'text',
+				'default'     => $this->title,
+				'desc_tip'    => true,
+				'description' => __( 'This controls the title which the user sees during checkout.', 'woocommerce-paypal-payments' ),
+			),
+			'description' => array(
+				'title'       => __( 'Description', 'woocommerce-paypal-payments' ),
+				'type'        => 'text',
+				'default'     => $this->description,
+				'desc_tip'    => true,
+				'description' => __( 'This controls the description which the user sees during checkout.', 'woocommerce-paypal-payments' ),
+			),
+		);
+	}
+}

modules/ppcp-wc-gateway/src/Gateway/PayUponInvoice/PayUponInvoice.php

@@ -11,14 +11,10 @@ namespace WooCommerce\PayPalCommerce\WcGateway\Gateway\PayUponInvoice;
 
 use Psr\Log\LoggerInterface;
 use WC_Order;
-use WC_Order_Item;
-use WC_Order_Item_Product;
-use WC_Product;
-use WC_Product_Variable;
-use WC_Product_Variation;
 use WooCommerce\PayPalCommerce\ApiClient\Endpoint\PayUponInvoiceOrderEndpoint;
 use WooCommerce\PayPalCommerce\Button\Exception\RuntimeException;
 use WooCommerce\PayPalCommerce\Onboarding\Environment;
+use WooCommerce\PayPalCommerce\WcGateway\Helper\CheckoutHelper;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\PayUponInvoiceHelper;
 use WooCommerce\PayPalCommerce\Onboarding\State;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\PayUponInvoiceProductStatus;
@@ -118,6 +114,13 @@ class PayUponInvoice {
 	 */
 	protected $pui_product_status;
 
+	/**
+	 * The checkout helper.
+	 *
+	 * @var CheckoutHelper
+	 */
+	protected $checkout_helper;
+
 	/**
 	 * PayUponInvoice constructor.
 	 *
@@ -133,6 +136,7 @@ class PayUponInvoice {
 	 * @param string                      $current_ppcp_settings_page_id Current PayPal settings page id.
 	 * @param PayUponInvoiceProductStatus $pui_product_status The PUI product status.
 	 * @param PayUponInvoiceHelper        $pui_helper The PUI helper.
+	 * @param CheckoutHelper              $checkout_helper The checkout helper.
 	 */
 	public function __construct(
 		string $module_url,
@@ -146,7 +150,8 @@ class PayUponInvoice {
 		bool $is_ppcp_settings_page,
 		string $current_ppcp_settings_page_id,
 		PayUponInvoiceProductStatus $pui_product_status,
-		PayUponInvoiceHelper $pui_helper
+		PayUponInvoiceHelper $pui_helper,
+		CheckoutHelper $checkout_helper
 	) {
 		$this->module_url                    = $module_url;
 		$this->fraud_net                     = $fraud_net;
@@ -160,6 +165,7 @@ class PayUponInvoice {
 		$this->current_ppcp_settings_page_id = $current_ppcp_settings_page_id;
 		$this->pui_product_status            = $pui_product_status;
 		$this->pui_helper                    = $pui_helper;
+		$this->checkout_helper               = $checkout_helper;
 	}
 
 	/**
@@ -342,7 +348,7 @@ class PayUponInvoice {
 				}
 
 				$birth_date = filter_input( INPUT_POST, 'billing_birth_date', FILTER_SANITIZE_STRING );
-				if ( ( $birth_date && ! $this->pui_helper->validate_birth_date( $birth_date ) ) || $birth_date === '' ) {
+				if ( ( $birth_date && ! $this->checkout_helper->validate_birth_date( $birth_date ) ) || $birth_date === '' ) {
 					$errors->add( 'validation', __( 'Invalid birth date.', 'woocommerce-paypal-payments' ) );
 				}
 

modules/ppcp-wc-gateway/src/Gateway/PayUponInvoice/PayUponInvoiceGateway.php

@@ -20,6 +20,7 @@ use WooCommerce\PayPalCommerce\ApiClient\Exception\PayPalApiException;
 use WooCommerce\PayPalCommerce\ApiClient\Factory\PurchaseUnitFactory;
 use WooCommerce\PayPalCommerce\Onboarding\Environment;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\TransactionUrlProvider;
+use WooCommerce\PayPalCommerce\WcGateway\Helper\CheckoutHelper;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\PayUponInvoiceHelper;
 use WooCommerce\PayPalCommerce\WcGateway\Processor\OrderMetaTrait;
 
@@ -81,6 +82,13 @@ class PayUponInvoiceGateway extends WC_Payment_Gateway {
 	 */
 	protected $pui_helper;
 
+	/**
+	 * The checkout helper.
+	 *
+	 * @var CheckoutHelper
+	 */
+	protected $checkout_helper;
+
 	/**
 	 * PayUponInvoiceGateway constructor.
 	 *
@@ -91,6 +99,7 @@ class PayUponInvoiceGateway extends WC_Payment_Gateway {
 	 * @param TransactionUrlProvider      $transaction_url_provider The transaction URL provider.
 	 * @param LoggerInterface             $logger The logger.
 	 * @param PayUponInvoiceHelper        $pui_helper The PUI helper.
+	 * @param CheckoutHelper              $checkout_helper The checkout helper.
 	 */
 	public function __construct(
 		PayUponInvoiceOrderEndpoint $order_endpoint,
@@ -99,7 +108,8 @@ class PayUponInvoiceGateway extends WC_Payment_Gateway {
 		Environment $environment,
 		TransactionUrlProvider $transaction_url_provider,
 		LoggerInterface $logger,
-		PayUponInvoiceHelper $pui_helper
+		PayUponInvoiceHelper $pui_helper,
+		CheckoutHelper $checkout_helper
 	) {
 		$this->id = self::ID;
 
@@ -128,6 +138,7 @@ class PayUponInvoiceGateway extends WC_Payment_Gateway {
 		$this->environment              = $environment;
 		$this->transaction_url_provider = $transaction_url_provider;
 		$this->pui_helper               = $pui_helper;
+		$this->checkout_helper          = $checkout_helper;
 	}
 
 	/**
@@ -198,7 +209,7 @@ class PayUponInvoiceGateway extends WC_Payment_Gateway {
 
 		$pay_for_order = filter_input( INPUT_GET, 'pay_for_order', FILTER_SANITIZE_STRING );
 		if ( 'true' === $pay_for_order ) {
-			if ( ! $this->pui_helper->validate_birth_date( $birth_date ) ) {
+			if ( ! $this->checkout_helper->validate_birth_date( $birth_date ) ) {
 				wc_add_notice( 'Invalid birth date.', 'error' );
 				return array(
 					'result' => 'failure',

modules/ppcp-wc-gateway/src/Helper/CheckoutHelper.php

@@ -0,0 +1,128 @@
+<?php
+/**
+ * The Checkout helper.
+ *
+ * @package WooCommerce\PayPalCommerce\WcGateway\Helper;
+ */
+
+declare(strict_types=1);
+
+namespace WooCommerce\PayPalCommerce\WcGateway\Helper;
+
+use DateTime;
+use WC_Order;
+use WC_Order_Item_Product;
+use WC_Product;
+use WC_Product_Variable;
+use WC_Product_Variation;
+
+/**
+ * CheckoutHelper class.
+ */
+class CheckoutHelper {
+
+	/**
+	 * Checks if amount is allowed within the given range.
+	 *
+	 * @param float $minimum Minimum amount.
+	 * @param float $maximum Maximum amount.
+	 * @return bool
+	 */
+	public function is_checkout_amount_allowed( float $minimum, float $maximum ): bool {
+		$cart = WC()->cart ?? null;
+		if ( $cart && ! is_checkout_pay_page() ) {
+			$cart_total = (float) $cart->get_total( 'numeric' );
+			if ( $cart_total < $minimum || $cart_total > $maximum ) {
+				return false;
+			}
+
+			$items = $cart->get_cart_contents();
+			foreach ( $items as $item ) {
+				$product = wc_get_product( $item['product_id'] );
+				if ( is_a( $product, WC_Product::class ) && ! $this->is_physical_product( $product ) ) {
+					return false;
+				}
+			}
+		}
+
+		if ( is_wc_endpoint_url( 'order-pay' ) ) {
+			/**
+			 * Needed for WordPress `query_vars`.
+			 *
+			 * @psalm-suppress InvalidGlobal
+			 */
+			global $wp;
+
+			if ( isset( $wp->query_vars['order-pay'] ) && absint( $wp->query_vars['order-pay'] ) > 0 ) {
+				$order_id = absint( $wp->query_vars['order-pay'] );
+				$order    = wc_get_order( $order_id );
+				if ( is_a( $order, WC_Order::class ) ) {
+					$order_total = (float) $order->get_total();
+					if ( $order_total < $minimum || $order_total > $maximum ) {
+						return false;
+					}
+
+					foreach ( $order->get_items() as $item_id => $item ) {
+						if ( is_a( $item, WC_Order_Item_Product::class ) ) {
+							$product = wc_get_product( $item->get_product_id() );
+							if ( is_a( $product, WC_Product::class ) && ! $this->is_physical_product( $product ) ) {
+								return false;
+							}
+						}
+					}
+				}
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Ensures date is valid and at least 18 years back.
+	 *
+	 * @param string $date The date.
+	 * @param string $format The date format.
+	 * @return bool
+	 */
+	public function validate_birth_date( string $date, string $format = 'Y-m-d' ): bool {
+		$d = DateTime::createFromFormat( $format, $date );
+		if ( false === $d ) {
+			return false;
+		}
+
+		if ( $date !== $d->format( $format ) ) {
+			return false;
+		}
+
+		$date_time = strtotime( $date );
+		if ( $date_time && time() < strtotime( '+18 years', $date_time ) ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Ensures product is ready for PUI.
+	 *
+	 * @param WC_Product $product WC product.
+	 * @return bool
+	 */
+	public function is_physical_product( WC_Product $product ):bool {
+		if ( $product->is_downloadable() || $product->is_virtual() ) {
+			return false;
+		}
+
+		if ( is_a( $product, WC_Product_Variable::class ) ) {
+			foreach ( $product->get_available_variations( 'object' ) as $variation ) {
+				if ( is_a( $variation, WC_Product_Variation::class ) ) {
+					if ( true === $variation->is_downloadable() || true === $variation->is_virtual() ) {
+						return false;
+					}
+				}
+			}
+		}
+
+		return true;
+	}
+}

modules/ppcp-wc-gateway/src/Helper/PayUponInvoiceHelper.php

@@ -9,65 +9,25 @@ declare( strict_types=1 );
 
 namespace WooCommerce\PayPalCommerce\WcGateway\Helper;
 
-use DateTime;
-use WC_Order;
-use WC_Order_Item_Product;
-use WC_Product;
-use WC_Product_Variable;
-use WC_Product_Variation;
-
 /**
  * Class PayUponInvoiceHelper
  */
 class PayUponInvoiceHelper {
 
 	/**
-	 * Ensures date is valid and at least 18 years back.
+	 * The checkout helper.
 	 *
-	 * @param string $date The date.
+	 * @var CheckoutHelper
-	 * @param string $format The date format.
-	 * @return bool
 	 */
-	public function validate_birth_date( string $date, string $format = 'Y-m-d' ): bool {
+	protected $checkout_helper;
-		$d = DateTime::createFromFormat( $format, $date );
-		if ( false === $d ) {
-			return false;
-		}
-
-		if ( $date !== $d->format( $format ) ) {
-			return false;
-		}
-
-		$date_time = strtotime( $date );
-		if ( $date_time && time() < strtotime( '+18 years', $date_time ) ) {
-			return false;
-		}
-
-		return true;
-	}
 
 	/**
-	 * Ensures product is ready for PUI.
+	 * PayUponInvoiceHelper constructor.
 	 *
-	 * @param WC_Product $product WC product.
+	 * @param CheckoutHelper $checkout_helper The checkout helper.
-	 * @return bool
 	 */
-	public function product_ready_for_pui( WC_Product $product ):bool {
+	public function __construct( CheckoutHelper $checkout_helper ) {
-		if ( $product->is_downloadable() || $product->is_virtual() ) {
+		$this->checkout_helper = $checkout_helper;
-			return false;
-		}
-
-		if ( is_a( $product, WC_Product_Variable::class ) ) {
-			foreach ( $product->get_available_variations( 'object' ) as $variation ) {
-				if ( is_a( $variation, WC_Product_Variation::class ) ) {
-					if ( true === $variation->is_downloadable() || true === $variation->is_virtual() ) {
-						return false;
-					}
-				}
-			}
-		}
-
-		return true;
 	}
 
 	/**
@@ -90,49 +50,8 @@ class PayUponInvoiceHelper {
 			return false;
 		}
 
-		$cart = WC()->cart ?? null;
+		if ( ! $this->checkout_helper->is_checkout_amount_allowed( 5, 2500 ) ) {
-		if ( $cart && ! is_checkout_pay_page() ) {
+			return false;
-			$cart_total = (float) $cart->get_total( 'numeric' );
-			if ( $cart_total < 5 || $cart_total > 2500 ) {
-				return false;
-			}
-
-			$items = $cart->get_cart_contents();
-			foreach ( $items as $item ) {
-				$product = wc_get_product( $item['product_id'] );
-				if ( is_a( $product, WC_Product::class ) && ! $this->product_ready_for_pui( $product ) ) {
-					return false;
-				}
-			}
-		}
-
-		if ( is_wc_endpoint_url( 'order-pay' ) ) {
-			/**
-			 * Needed for WordPress `query_vars`.
-			 *
-			 * @psalm-suppress InvalidGlobal
-			 */
-			global $wp;
-
-			if ( isset( $wp->query_vars['order-pay'] ) && absint( $wp->query_vars['order-pay'] ) > 0 ) {
-				$order_id = absint( $wp->query_vars['order-pay'] );
-				$order    = wc_get_order( $order_id );
-				if ( is_a( $order, WC_Order::class ) ) {
-					$order_total = (float) $order->get_total();
-					if ( $order_total < 5 || $order_total > 2500 ) {
-						return false;
-					}
-
-					foreach ( $order->get_items() as $item_id => $item ) {
-						if ( is_a( $item, WC_Order_Item_Product::class ) ) {
-							$product = wc_get_product( $item->get_product_id() );
-							if ( is_a( $product, WC_Product::class ) && ! $this->product_ready_for_pui( $product ) ) {
-								return false;
-							}
-						}
-					}
-				}
-			}
 		}
 
 		return true;

modules/ppcp-wc-gateway/src/WCGatewayModule.php

@@ -231,6 +231,8 @@ class WCGatewayModule implements ModuleInterface {
 				if ( 'DE' === $c->get( 'api.shop.country' ) && 'EUR' === get_woocommerce_currency() ) {
 					( $c->get( 'wcgateway.pay-upon-invoice' ) )->init();
 				}
+
+				( $c->get( 'wcgateway.oxxo' ) )->init();
 			}
 		);
 
@@ -288,6 +290,8 @@ class WCGatewayModule implements ModuleInterface {
 					$methods[] = $container->get( 'wcgateway.pay-upon-invoice-gateway' );
 				}
 
+				$methods[] = $container->get( 'wcgateway.oxxo-gateway' );
+
 				return (array) $methods;
 			}
 		);

tests/PHPUnit/WcGateway/Gateway/PayUponInvoice/PayUponInvoiceGatewayTest.php

@@ -13,6 +13,7 @@ use WooCommerce\PayPalCommerce\ApiClient\Factory\PurchaseUnitFactory;
 use WooCommerce\PayPalCommerce\Onboarding\Environment;
 use WooCommerce\PayPalCommerce\TestCase;
 use WooCommerce\PayPalCommerce\WcGateway\Gateway\TransactionUrlProvider;
+use WooCommerce\PayPalCommerce\WcGateway\Helper\CheckoutHelper;
 use WooCommerce\PayPalCommerce\WcGateway\Helper\PayUponInvoiceHelper;
 use function Brain\Monkey\Functions\when;
 
@@ -26,6 +27,7 @@ class PayUponInvoiceGatewayTest extends TestCase
 	private $logger;
 	private $testee;
 	private $pui_helper;
+	private $checkout_helper;
 
 	public function setUp(): void
 	{
@@ -38,6 +40,7 @@ class PayUponInvoiceGatewayTest extends TestCase
 		$this->logger = Mockery::mock(LoggerInterface::class);
 		$this->transaction_url_provider = Mockery::mock(TransactionUrlProvider::class);
 		$this->pui_helper = Mockery::mock(PayUponInvoiceHelper::class);
+		$this->checkout_helper = Mockery::mock(CheckoutHelper::class);
 
 		$this->setInitStubs();
 
@@ -48,7 +51,8 @@ class PayUponInvoiceGatewayTest extends TestCase
 			$this->environment,
 			$this->transaction_url_provider,
 			$this->logger,
-			$this->pui_helper
+			$this->pui_helper,
+			$this->checkout_helper
 		);
 	}
 

tests/PHPUnit/WcGateway/Helper/PayUponInvoiceHelperTest.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 namespace WooCommerce\PayPalCommerce\WcGateway\Helper;
 
 use DateTime;
+use Mockery;
 use WooCommerce\PayPalCommerce\TestCase;
 
 class PayUponInvoiceHelperTest extends TestCase
@@ -13,7 +14,7 @@ class PayUponInvoiceHelperTest extends TestCase
 	 */
 	public function testValidateBirthDate($input, $output)
 	{
-		$this->assertSame((new PayUponInvoiceHelper())->validate_birth_date($input), $output);
+		$this->assertSame((new CheckoutHelper())->validate_birth_date($input), $output);
 	}
 
 	public function datesProvider(): array{