Merge pull request #257 from kidunot89/bugfix/checkout-shipping-methods

"shippingMethod" field type changed to [String].

Author: kidunot89

includes/mutation/class-checkout.php

@@ -50,7 +50,7 @@ public static function get_input_fields() {
 				'description' => __( 'Payment method ID.', 'wp-graphql-woocommerce' ),
 			),
 			'shippingMethod'         => array(
-				'type'        => 'String',
+				'type'        => array( 'list_of' => 'String' ),
 				'description' => __( 'Order shipping method', 'wp-graphql-woocommerce' ),
 			),
 			'shipToDifferentAddress' => array(

tests/acceptance/NewCustomerCheckingOutCept.php

@@ -159,7 +159,7 @@
 $checkout_input = array(
     'clientMutationId'   => 'someId',
     'paymentMethod'      => 'bacs',
-    'shippingMethod'     => 'flat rate',
+    'shippingMethod'     => array( 'flat rate' ),
     'billing'            => array(
         'firstName' => 'May',
         'lastName'  => 'Parker',

tests/wpunit/CheckoutMutationsTest.php

@@ -278,7 +278,7 @@ public function testCheckoutOrderMutation() {
         $input      = array(
             'clientMutationId'   => 'someId',
             'paymentMethod'      => 'bacs',
-            'shippingMethod'     => 'flat rate',
+            'shippingMethod'     => array( 'flat rate' ),
 			'billing'            => array(
                 'firstName' => 'May',
                 'lastName'  => 'Parker',
@@ -484,7 +484,7 @@ public function testCheckoutOrderMutationWithNewAccount() {
         $input      = array(
             'clientMutationId'       => 'someId',
             'paymentMethod'          => 'bacs',
-            'shippingMethod'         => 'flat rate',
+            'shippingMethod'         => array( 'flat rate' ),
 			'billing'                => array(
                 'firstName' => 'May',
                 'lastName'  => 'Parker',
@@ -676,7 +676,7 @@ public function testCheckoutOrderMutationWithNoAccount() {
         $input      = array(
             'clientMutationId'   => 'someId',
             'paymentMethod'      => 'bacs',
-            'shippingMethod'     => 'flat rate',
+            'shippingMethod'     => array( 'flat rate' ),
 			'billing'            => array(
                 'firstName' => 'May',
                 'lastName'  => 'Parker',
@@ -880,7 +880,7 @@ public function testCheckoutOrderMutationWithPrepaidOrder() {
             'paymentMethod'      => 'bacs',
             'isPaid'             => true,
             'transactionId'      => 'transaction_id',
-            'shippingMethod'     => 'flat rate',
+            'shippingMethod'     => array( 'flat rate' ),
 			'billing'            => array(
                 'firstName' => 'May',
                 'lastName'  => 'Parker',