Add test for issue #5 upp API

Author: judgej

tests/Message/CreateCardRequestTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Omnipay\Datatrans\Message;
+
+use Omnipay\Common\CreditCard;
+use Omnipay\Tests\TestCase;
+
+class CreateCardTest extends TestCase
+{
+    /**
+     * @var PurchaseRequest
+     */
+    private $request;
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->request = new CreateCardRequest($this->getHttpClient(), $this->getHttpRequest());
+    }
+
+    public function testAmountAndAlias()
+    {
+        $this->request->initialize(array(
+            'merchantId' => 'asdf',
+            'sign' => '123',
+            'testMode' => true,
+            'currency' => 'CHF',
+            'transactionId' => '123',
+            'returnUrl' => 'https://www.example.com/success',
+            'errorUrl' => 'https://www.example.com/error',
+            'cancelUrl' => 'https://www.example.com/cancel'
+        ));
+
+        $expected = [
+            'amount' => 0,
+            'useAlias' => 'yes',
+        ];
+
+        $this->assertArraySubset($expected, $this->request->getData());
+
+        $this->assertSame('asdf0CHF123', $this->request->getHmacString());
+    }
+}