Add test for Refine handling of 'card' parameter to support generic integrations.

In a generic integration the card parameter might exist to hold billing address details even when
the card number is not provided. We don't expect the integration to hold knowledge that 'paypal rest won't work
if you pass a 'card' paramter when you are pre-authorizing a token' so we should
look more deeply into the passed card parameter for the presence of the actual card fields - ie.
card number, expiry ,cvv

Author: eileenmcnaughton

tests/Message/RestAuthorizeRequestTest.php

@@ -47,6 +47,33 @@ public function testGetDataWithoutCard()
         $this->assertSame('https://www.example.com/cancel', $data['redirect_urls']['cancel_url']);
     }
 
+    /**
+     * This tests that having a card object with no card details acts as 'no card'.
+     *
+     * We may have a card object holding billing details but no card details. This
+     * should be treated as a card-not-present rather than as invalid.
+     */
+    public function testGetDataWitLimitedCard()
+    {
+        $this->request->setTransactionId('abc123');
+        $this->request->setDescription('Sheep');
+        $this->request->setCard(new CreditCard(['firstName' => 'Example']));
+
+        $data = $this->request->getData();
+
+        $this->assertSame('authorize', $data['intent']);
+        $this->assertSame('paypal', $data['payer']['payment_method']);
+        $this->assertSame('10.00', $data['transactions'][0]['amount']['total']);
+        $this->assertSame('USD', $data['transactions'][0]['amount']['currency']);
+        $this->assertSame('abc123 : Sheep', $data['transactions'][0]['description']);
+
+        // Funding instruments must not be set, otherwise paypal API will give error 500.
+        $this->assertArrayNotHasKey('funding_instruments', $data['payer']);
+
+        $this->assertSame('https://www.example.com/return', $data['redirect_urls']['return_url']);
+        $this->assertSame('https://www.example.com/cancel', $data['redirect_urls']['cancel_url']);
+    }
+
     public function testGetDataWithCard()
     {
         $card = new CreditCard($this->getValidCard());