Make Gateway purchase() method optional

Author: amacneil

src/Omnipay/Common/AbstractGateway.php

@@ -130,6 +130,16 @@ public function supportsCapture()
         return method_exists($this, 'capture');
     }
 
+    /**
+     * Supports Purchase
+     *
+     * @return boolean True if this gateway supports the purchase() method
+     */
+    public function supportsPurchase()
+    {
+        return method_exists($this, 'purchase');
+    }
+
     /**
      * Supports Complete Purchase
      *

src/Omnipay/Common/GatewayInterface.php

@@ -44,13 +44,4 @@ public function initialize(array $parameters = array());
      * @return array
      */
     public function getParameters();
-
-    /**
-     * Create a new charge (combined authorize + capture).
-     *
-     * @param array $parameters An array of options
-     *
-     * @return \Omnipay\Common\Message\RequestInterface
-     */
-    public function purchase(array $parameters = array());
 }

tests/Omnipay/Common/AbstractGatewayTest.php

@@ -9,7 +9,7 @@ class AbstractGatewayTest extends TestCase
 {
     public function setUp()
     {
-        $this->gateway = m::mock("\Omnipay\Common\AbstractGateway[getName,getDefaultParameters,purchase]");
+        $this->gateway = m::mock("\Omnipay\Common\AbstractGateway")->makePartial();
     }
 
     public function testGetShortName()

tests/Omnipay/Common/Message/AbstractRequestTest.php

@@ -11,7 +11,7 @@ class AbstractRequestTest extends TestCase
 {
     public function setUp()
     {
-        $this->request = m::mock('\Omnipay\Common\Message\AbstractRequest[getData,sendData]');
+        $this->request = m::mock('\Omnipay\Common\Message\AbstractRequest')->makePartial();
         $this->request->initialize();
     }
 

tests/Omnipay/Common/Message/AbstractResponseTest.php

@@ -9,7 +9,7 @@ class AbstractResponseTest extends TestCase
 {
     public function testDefaultMethods()
     {
-        $response = m::mock('\Omnipay\Common\Message\AbstractResponse[isSuccessful]');
+        $response = m::mock('\Omnipay\Common\Message\AbstractResponse')->makePartial();
 
         $this->assertFalse($response->isRedirect());
         $this->assertNull($response->getData());
@@ -23,7 +23,7 @@ public function testDefaultMethods()
      */
     public function testCannotRedirectResponseThatIsNotRedirectResponseInterface()
     {
-        $response = m::mock('\Omnipay\Common\Message\AbstractResponse[isSuccessful,isRedirect]');
+        $response = m::mock('\Omnipay\Common\Message\AbstractResponse')->makePartial();
 
         $response->getRedirectResponse();
     }