wp-graphql-woocommerce/tests/_support/Helper/Wpunit.php

<?php
namespace Helper;

// here you can define custom actions
// all public methods declared in helper class will be available in $I
class Wpunit extends \Codeception\Module {
    /**
     * HOOK:
     * triggered after module is created and configuration is loaded
     */
    public function _initialize()
    {
        require_once __DIR__ . '/crud-helpers/wcg-helper.php';
        require_once __DIR__ . '/crud-helpers/customer.php';
        require_once __DIR__ . '/crud-helpers/coupon.php';
        require_once __DIR__ . '/crud-helpers/product.php';
        require_once __DIR__ . '/crud-helpers/product-variation.php';
        require_once __DIR__ . '/crud-helpers/shipping-method.php';
        require_once __DIR__ . '/crud-helpers/tax-rate.php';
        require_once __DIR__ . '/crud-helpers/order-item.php';
        require_once __DIR__ . '/crud-helpers/order.php';
        require_once __DIR__ . '/crud-helpers/refund.php';
    }

    public function coupon() {
        return \CouponHelper::instance();
    }

    public function customer() {
        return \CustomerHelper::instance();
    }

    public function order() {
        return \OrderHelper::instance();
    }

    public function item() {
        return \OrderItemHelper::instance();
    }

    public function product() {
        return \ProductHelper::instance();
    }

    public function product_variation() {
        return \ProductVariationHelper::instance();
    }

    public function refund() {
        return \RefundHelper::instance();
    }

    public function shipping_method() {
        return \ShippingMethodHelper::instance();
    }

    public function tax_rate() {
        return \TaxRateHelper::instance();
    }

    public function get_nodes( $ids, $crud ) {
        $nodes = array();
		foreach( $ids as $id ) {
			$nodes[] = $crud->get_query_data( $id );
		}

		return array( 'nodes' => $nodes );
	}

    public function clear_loader_cache( $loader_name ) {
		$loader = \WPGraphQL::get_app_context()->getLoader( $loader_name );
		$loader->clearAll();
	}
}