2.4 - Faking the Payment Gateway

tests/unit/Billing/FakePaymentGatewayTest.php

@@ -0,0 +1,19 @@
+<?php
+
+use App\Billing\FakePaymentGateway;
+use Illuminate\Foundation\Testing\WithoutMiddleware;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+
+class FakePaymentGatewayTest extends TestCase
+{
+    /** @test */
+    function charges_with_a_valid_payment_token_are_successful()
+    {
+        $paymentGateway = new FakePaymentGateway;
+
+        $paymentGateway->charge(2500, $paymentGateway->getValidTestToken());
+
+        $this->assertEquals(2500, $paymentGateway->totalCharges());
+    }
+}