replace visibility_level by visibility

UPGRADE.md

@@ -13,6 +13,11 @@ See [documentation](doc/customize.md) to know how to customize the client timeou
 * The `setHttpClient` method have been removed. Use a `Gitlab\HttpClient\Builder` instead. 
 * The `getHttpClient` method return type is changed to `Http\Client\Common\HttpMethodsClient`.
 
+
+## `Gitlab\Api\Groups` changes
+
+* The `visibility_level` parameter have been removed from `create` method. Use `visibility` instead.
+
 ## `Gitlab\Api\Issues` changes
 
 * The second argument of `update`, `remove`, `showComments`, `showComment`, `addComment`, `updateComment`, `removeComment`,

lib/Gitlab/Api/Groups.php

@@ -42,15 +42,16 @@ public function show($id)
      * @param string $name
      * @param string $path
      * @param string $description
+     * @param string $visibility
      * @return mixed
      */
-    public function create($name, $path, $description = null, $visibility_level = 0)
+    public function create($name, $path, $description = null, $visibility = 'private')
     {
         return $this->post('groups', array(
             'name' => $name,
             'path' => $path,
             'description' => $description,
-            'visibility_level' => $visibility_level
+            'visibility' => $visibility,
         ));
     }
 

test/Gitlab/Tests/Api/GroupsTest.php

@@ -111,7 +111,7 @@ public function shouldCreateGroup()
         $api = $this->getApiMock();
         $api->expects($this->once())
             ->method('post')
-            ->with('groups', array('name' => 'A new group', 'path' => 'a-new-group', 'description' => null, 'visibility_level' => 0))
+            ->with('groups', array('name' => 'A new group', 'path' => 'a-new-group', 'description' => null, 'visibility' => 'private'))
             ->will($this->returnValue($expectedArray))
         ;
 
@@ -121,18 +121,18 @@ public function shouldCreateGroup()
     /**
      * @test
      */
-    public function shouldCreateGroupWithDescriptionAndVisLevel()
+    public function shouldCreateGroupWithDescriptionAndVisibility()
     {
         $expectedArray = array('id' => 1, 'name' => 'A new group', 'visibility_level' => 2);
 
         $api = $this->getApiMock();
         $api->expects($this->once())
             ->method('post')
-            ->with('groups', array('name' => 'A new group', 'path' => 'a-new-group', 'description' => 'Description', 'visibility_level' => 2))
+            ->with('groups', array('name' => 'A new group', 'path' => 'a-new-group', 'description' => 'Description', 'visibility' => 'public'))
             ->will($this->returnValue($expectedArray))
         ;
 
-        $this->assertEquals($expectedArray, $api->create('A new group', 'a-new-group', 'Description', 2));
+        $this->assertEquals($expectedArray, $api->create('A new group', 'a-new-group', 'Description', 'public'));
     }
 
     /**