Barclaycard Smartpay: Add support for shopper_statement gateway-specific field

CHANGELOG

@@ -11,6 +11,7 @@
 * Fat Zebra: Send metadata for purchase and authorize [montdidier] #3101
 * TrustCommerce: Add support for custom fields [jasonxp] #3313
 * Stripe Payment Intents: Support option fields `transfer_destination` and `transfer_amount` and remove `transfer_data` hash [britth] #3317
+* Barclaycard Smartpay: Add support for `shopperStatement` gateway-specific field [jasonxp] #3319
 
 == Version 1.97.0 (Aug 15, 2019)
 * CyberSource: Add issuer `additionalData` gateway-specific field [jasonxp] #3296

lib/active_merchant/billing/gateways/barclaycard_smartpay.rb

@@ -37,6 +37,8 @@ def authorize(money, creditcard, options = {})
         post[:card] = credit_card_hash(creditcard)
         post[:billingAddress] = billing_address_hash(options) if options[:billing_address]
         post[:deliveryAddress] = shipping_address_hash(options) if options[:shipping_address]
+        post[:shopperStatement] = options[:shopper_statement] if options[:shopper_statement]
+
         add_3ds(post, options)
         commit('authorise', post)
       end

test/remote/gateways/remote_barclaycard_smartpay_test.rb

@@ -190,6 +190,17 @@ def test_successful_purchase_with_device_fingerprint
     assert_equal '[capture-received]', response.message
   end
 
+  def test_successful_purchase_with_shopper_statement
+    response = @gateway.purchase(
+      @amount,
+      @credit_card,
+      @options.merge(shopper_statement: 'One-year premium subscription')
+    )
+
+    assert_success response
+    assert_equal '[capture-received]', response.message
+  end
+
   def test_successful_authorize_with_3ds
     assert response = @gateway.authorize(@amount, @three_ds_enrolled_card, @options.merge(execute_threed: true))
     assert_equal 'RedirectShopper', response.message

test/unit/gateways/barclaycard_smartpay_test.rb

@@ -182,11 +182,24 @@ def test_successful_authorize_with_shipping_house_number_and_street
   end
 
   def test_successful_authorize_with_extra_options
+    shopper_interaction = 'ContAuth'
+    shopper_statement   = 'One-year premium subscription'
+    device_fingerprint  = 'abcde123'
+
     response = stub_comms do
-      @gateway.authorize(@amount, @credit_card, @options.merge(shopper_interaction: 'ContAuth', device_fingerprint: 'abcde123'))
+      @gateway.authorize(
+        @amount,
+        @credit_card,
+        @options.merge(
+          shopper_interaction: shopper_interaction,
+          device_fingerprint: device_fingerprint,
+          shopper_statement: shopper_statement
+        )
+      )
     end.check_request do |endpoint, data, headers|
-      assert_match(/shopperInteraction=ContAuth/, data)
-      assert_match(/deviceFingerprint=abcde123/, data)
+      assert_match(/shopperInteraction=#{shopper_interaction}/, data)
+      assert_match(/shopperStatement=#{Regexp.quote(CGI.escape(shopper_statement))}/, data)
+      assert_match(/deviceFingerprint=#{device_fingerprint}/, data)
     end.respond_with(successful_authorize_response)
 
     assert_success response