Fix merge - make expiry optional for refund

Author: anush

src/Message/AIMRefundRequest.php

@@ -38,7 +38,9 @@ public function getData()
             $this->validate('card');
             $card = $this->getCard();
             $data->transactionRequest->payment->creditCard->cardNumber = $card->getNumberLastFour();
-            $data->transactionRequest->payment->creditCard->expirationDate = $card->getExpiryDate('my');
+            if ($card->getExpiryMonth()) {
+                $data->transactionRequest->payment->creditCard->expirationDate = $card->getExpiryDate('my');
+            }
         }
         $data->transactionRequest->refTransId = $transactionRef->getTransId();
 

tests/Message/AIMRefundRequestTest.php

@@ -32,14 +32,32 @@ public function testGetData()
         $data = $this->request->getData();
 
         $this->assertEquals('refundTransaction', $data->transactionRequest->transactionType);
-        $this->assertEquals('12.12', (string)$data->transactionRequest->amount[0]);
+        $this->assertEquals('12.12', $data->transactionRequest->amount);
         $this->assertEquals('authnet-transaction-reference', $data->transactionRequest->refTransId);
 
         $setting = $data->transactionRequest->transactionSettings->setting[0];
         $this->assertEquals('testRequest', $setting->settingName);
         $this->assertEquals('false', $setting->settingValue);
     }
 
+    public function testGetDataWithoutExpiry()
+    {
+        $this->request->initialize(array(
+            'transactionReference' => 'TRANS_ID',
+            'amount' => 23.32,
+            'card' => array(
+                'number' => '1111'
+            )
+        ));
+
+        $data = $this->request->getData();
+
+        $this->assertEquals('TRANS_ID', $data->transactionRequest->refTransId);
+        $this->assertEquals('23.32', $data->transactionRequest->amount);
+        $this->assertEquals('1111', $data->transactionRequest->payment->creditCard->cardNumber);
+        $this->assertObjectNotHasAttribute('expirationDate', $data->transactionRequest->payment->creditCard);
+    }
+
     public function testGetDataShouldFail()
     {
         $this->request->initialize(