62 - Refactoring Towards Duplication

app/Billing/PaymentGateway.php

@@ -5,4 +5,6 @@ namespace App\Billing;
 interface PaymentGateway
 {
     public function charge($amount, $token);
+
+    public function getValidTestToken();
 }

app/Billing/StripePaymentGateway.php

@@ -26,4 +26,16 @@ class StripePaymentGateway implements PaymentGateway
             throw new PaymentFailedException;
         }
     }
+
+    public function getValidTestToken()
+    {
+        return \Stripe\Token::create([
+            "card" => [
+                "number" => "4242424242424242",
+                "exp_month" => 1,
+                "exp_year" => date('Y') + 1,
+                "cvc" => "123"
+            ]
+        ], ['api_key' => $this->apiKey])->id;
+    }
 }