57 - Don't Mock What You Don't Own

app/Billing/Alternate/StripePaymentGateway.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Billing\Alternate;
+
+use App\Billing\PaymentGateway;
+
+class StripePaymentGateway implements PaymentGateway
+{
+    private $stripeClient;
+
+    public function __construct(\Stripe\ApiClient $stripeClient)
+    {
+        $this->stripeClient = $stripeClient;
+    }
+
+    public function charge($amount, $token)
+    {
+        $this->stripeClient->createCharge([
+            'amount' => $amount,
+            'source' => $token,
+            'currency' => 'usd',
+        ]);
+    }
+}

app/Billing/StripePaymentGateway.php

@@ -22,3 +22,27 @@ class StripePaymentGateway implements PaymentGateway
         ], ['api_key' => $this->apiKey]);
     }
 }
+
+// class StripePaymentGateway implements PaymentGateway
+// {
+//     private $apiKey;
+
+//     public function __construct($apiKey)
+//     {
+//         $this->apiKey = $apiKey;
+//     }
+
+//     public function charge($amount, $token)
+//     {
+//         (new \GuzzleHttp\Client)->post('https://api.stripe.com/v1/charges', [
+//             'headers' => [
+//                 'Authorization' => "Bearer {$this->apiKey}",
+//             ],
+//             'form_params' => [
+//                 'amount' => $amount,
+//                 'token' => $token,
+//                 'currency' => 'usd',
+//             ]
+//         ]);
+//     }
+// }

composer.json

@@ -8,7 +8,8 @@
         "php": ">=5.6.4",
         "laravel/framework": "5.3.*",
         "zondicons/blade-bridge": "^0.1.0",
-        "stripe/stripe-php": "^4.3"
+        "stripe/stripe-php": "^4.3",
+        "guzzlehttp/guzzle": "^6.2"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",

composer.lock

@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "8cdff7401ffaa77e712fc773720a0a25",
+    "hash": "483f8274bdccb5d6398c5c9b7607e8e2",
-    "content-hash": "4283a0ebb9e0602a14c02b45b50cb2d7",
+    "content-hash": "cf64a65c2814f1dab2944cbf2f70101d",
     "packages": [
         {
             "name": "classpreloader/classpreloader",
@@ -161,6 +161,177 @@
             ],
             "time": "2015-11-06 14:35:42"
         },
+        {
+            "name": "guzzlehttp/guzzle",
+            "version": "6.2.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/guzzle.git",
+                "reference": "ebf29dee597f02f09f4d5bbecc68230ea9b08f60"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/ebf29dee597f02f09f4d5bbecc68230ea9b08f60",
+                "reference": "ebf29dee597f02f09f4d5bbecc68230ea9b08f60",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.3.1",
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "ext-curl": "*",
+                "phpunit/phpunit": "^4.0",
+                "psr/log": "^1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "6.2-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/functions_include.php"
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle is a PHP HTTP client library",
+            "homepage": "http://guzzlephp.org/",
+            "keywords": [
+                "client",
+                "curl",
+                "framework",
+                "http",
+                "http client",
+                "rest",
+                "web service"
+            ],
+            "time": "2016-10-08 15:01:37"
+        },
+        {
+            "name": "guzzlehttp/promises",
+            "version": "v1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-12-20 10:07:11"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "5c6447c9df362e8f8093bda8f5d8873fe5c7f65b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/5c6447c9df362e8f8093bda8f5d8873fe5c7f65b",
+                "reference": "5c6447c9df362e8f8093bda8f5d8873fe5c7f65b",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0",
+                "psr/http-message": "~1.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "PSR-7 message implementation",
+            "keywords": [
+                "http",
+                "message",
+                "stream",
+                "uri"
+            ],
+            "time": "2016-06-24 23:00:38"
+        },
         {
             "name": "jakub-onderka/php-console-color",
             "version": "0.1",
@@ -828,6 +999,56 @@
             ],
             "time": "2016-10-17 15:23:22"
         },
+        {
+            "name": "psr/http-message",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "time": "2016-08-06 14:39:51"
+        },
         {
             "name": "psr/log",
             "version": "1.0.2",

tests/unit/Billing/MockStripePaymentGatewayTest.php

@@ -0,0 +1,21 @@
+<?php
+
+use App\Billing\Alternate\StripePaymentGateway;
+
+class MockStripePaymentGatewayTest extends TestCase
+{
+    /** @test */
+    function charges_with_a_valid_payment_token_are_successful()
+    {
+        $stripeClient = Mockery::spy(\Stripe\ApiClient::class);
+        $paymentGateway = new StripePaymentGateway($stripeClient);
+
+        $paymentGateway->charge(2500, 'valid-token');
+
+        $stripeClient->shouldHaveReceived('createCharge')->with([
+            'amount' => 2500,
+            'source' => 'valid-token',
+            'currency' => 'usd',
+        ])->once();
+    }
+}

tests/unit/Billing/StripePaymentGatewayTest.php

@@ -1,9 +1,6 @@
 <?php
 
 use App\Billing\StripePaymentGateway;
-use Illuminate\Foundation\Testing\WithoutMiddleware;
-use Illuminate\Foundation\Testing\DatabaseMigrations;
-use Illuminate\Foundation\Testing\DatabaseTransactions;
 
 class StripePaymentGatewayTest extends TestCase
 {