implemented BranchRestrictions::get (API 2.0)

Author: vimishor

docs/repositories/branch-restrictions.md

@@ -28,6 +28,11 @@ $restrictions->create($account_name, $repo_slug, array(
 ));
 ```
 
+### Get a specific restriction: (API 2.0)
+```php
+$restrictions->get($account_name, $repo_slug, $restrictionID);
+```
+
 ----
 
 #### Related:

lib/Bitbucket/API/Repositories/BranchRestrictions.php

@@ -73,4 +73,20 @@ public function create($account, $repo, $params = array())
             array('Content-Type' => 'application/json')
         );
     }
+
+    /**
+     * Get a specific restriction
+     *
+     * @access public
+     * @param  string           $account The team or individual account owning the repository.
+     * @param  string           $repo    The repository identifier.
+     * @param  int              $id      The restriction's identifier.
+     * @return MessageInterface
+     */
+    public function get($account, $repo, $id)
+    {
+        return $this->getClient()->setApiVersion('2.0')->get(
+            sprintf('repositories/%s/%s/branch-restrictions/%d', $account, $repo, $id)
+        );
+    }
 }

test/Bitbucket/Tests/API/Repositories/BranchRestrictionsTest.php

@@ -88,4 +88,22 @@ public function testCreateRestrictionFromJSONShouldFailWithInvalidRestrictionKin
 
         $restrictions->create('gentle', 'eof', $params);
     }
+
+    public function testGetSpecificRestriction()
+    {
+        $endpoint       = 'repositories/gentle/eof/branch-restrictions/1';
+        $expectedResult = $this->fakeResponse(array('dummy'));
+
+        $client = $this->getHttpClientMock();
+        $client->expects($this->once())
+            ->method('get')
+            ->with($endpoint)
+            ->will($this->returnValue($expectedResult));
+
+        /** @var \Bitbucket\API\Repositories\BranchRestrictions $restriction */
+        $restriction    = $this->getClassMock('Bitbucket\API\Repositories\BranchRestrictions', $client);
+        $actual         = $restriction->get('gentle', 'eof', 1);
+
+        $this->assertEquals($expectedResult, $actual);
+    }
 }