Add Support for Guzzle 7 (#15)

* Improving tests

* Improving config to allow values from .env

* Allowing Guzzle 7

* Fixes StyleCI

.gitignore

@@ -2,4 +2,7 @@
 composer.phar
 composer.lock
 .DS_Store
-.idea
+.idea
+.env
+phpunit.xml
+.phpunit.result.cache

composer.json

@@ -12,7 +12,7 @@
         "php": ">=7.0.0",
         "illuminate/support": "^5.2|^6|^7|^8",
         "illuminate/contracts": "^5.2|^6|^7|^8",
-        "guzzlehttp/guzzle": "~6.0"
+        "guzzlehttp/guzzle": "~6.0|~7.0"
     },
     "require-dev": {
         "mockery/mockery": "~1.0",

config/whmcs.php

@@ -23,18 +23,18 @@
     |
     */
 
-    'auth_type' => 'password',
+    'auth_type' =>  env('WHMCS_AUTH_TYPE', 'password'),
 
-    'apiurl' => 'https://url.to.whmcs.tld/whmcs/includes/api.php',
+    'apiurl' => env('WHMCS_API_URL', 'https://url.to.whmcs.tld/whmcs/includes/api.php'),
 
     'api' => [
-        'identifier' => 'YOUR_API_IDENTIFIER',
-        'secret' => 'YOUR_API_SECRET',
+        'identifier' => env('WHMCS_API_IDENTIFIER', 'YOUR_API_IDENTIFIER'),
+        'secret' => env('WHMCS_API_SECRET', 'YOUR_API_SECRET'),
     ],
 
     'password' => [
-        'username' => 'YOUR_USERNAME',
-        'password' => 'YOUR_PASSWORD',
+        'username' => env('WHMCS_USERNAME', 'YOUR_USERNAME'),
+        'password' => env('WHMCS_PASSWORD', 'YOUR_PASSWORD'),
     ],
 
     /*
@@ -46,5 +46,5 @@
     |
     */
 
-    'responsetype' => 'json',
+    'responsetype' => env('WHMCS_RESPONSE_TYPE', 'json'),
 ];

tests/ServiceProviderTest.php

@@ -9,12 +9,20 @@ class ServiceProviderTest extends TestCase
     /** @test */
     public function ThrowAnExceptionIfConfigNotExist()
     {
-        $this->app['config']->set('whmcs.username', '');
-        $this->app['config']->set('whmcs.password', '');
+        $this->app['config']->set('whmcs.password.username', '');
+        $this->app['config']->set('whmcs.password.password', '');
 
         $this->expectException(\InvalidArgumentException::class);
 
         // call random WHMCS API
         Whmcs::GetProducts();
     }
+
+    /** @test */
+    public function CanGetWhmcsProduct()
+    {
+        // call random WHMCS API
+        $result = Whmcs::GetProducts();
+        $this->assertNotNull($result);
+    }
 }