Added support for repeat transactions

lib/active_merchant/billing/gateways/xpay.rb

@@ -94,6 +94,15 @@ def credit(money, identification, options = {})
 
         commit(TRANSACTIONS[:credit], nil, post)
       end
+
+      def repeat(money, identification, options={})
+        post = {}
+        add_parent_transaction_data(post, identification)
+        add_invoice(post, options)
+        add_amount(post, money, options, 1)
+
+        commit(TRANSACTIONS[:purchase], money, post)        
+      end
 
       private
 

test/remote/gateways/remote_xpay_test.rb

@@ -41,6 +41,8 @@ def setup
       :description => 'Store Purchase',
       :currency => 'GBP'
     }
+
+    @responses = {}
   end
 
   def test_successful_purchase
@@ -85,7 +87,6 @@ def test_unsuccessful_capture
   end
 
   def test_authorize_and_void
-    @responses = {}
     @credit_cards.each do |type, credit_card|
       assert response = @gateway.authorize(@amount, credit_card, @options)
       assert_success response
@@ -105,7 +106,6 @@ def test_authorize_and_void
   end
 
   def test_authorize_and_capture_and_refund
-    @responses = {}
     @credit_cards.each do |type, credit_card|
       assert response = @gateway.authorize(@amount, credit_card, @options)
       assert_success response
@@ -132,5 +132,23 @@ def test_authorize_and_capture_and_refund
       assert_equal "The transaction was processed successfully.", response.message
     end
   end
-
-end
+
+  def test_purchase_and_repeat
+    @credit_cards.each do |type, credit_card|
+      assert response = @gateway.purchase(@amount, credit_card, @options)
+      assert_success response
+      assert_equal "The transaction was processed successfully.", response.message
+      @responses[type] = response
+    end
+    @credit_cards.each do |type, credit_card|
+      identification = {
+        :transaction_reference => @responses[type].transaction_reference,
+        :transaction_verifier => @responses[type].transaction_verifier
+      }
+      assert response = @gateway.repeat(@amount, identification, @options)
+      assert_success response
+      assert_equal "The transaction was processed successfully.", response.message
+    end    
+  end
+
+end