implemented BranchRestrictions::delete (API 2.0)

Author: vimishor

docs/repositories/branch-restrictions.md

@@ -44,6 +44,11 @@ $restrictions->update($account_name, $repo_slug, $restrictionID, array(
 ));
 ```
 
+### Delete a specific restriction: (API 2.0)
+```php
+$restrictions->delete($account_name, $repo_slug, $restrictionID);
+```
+
 ----
 
 #### Related:

lib/Bitbucket/API/Repositories/BranchRestrictions.php

@@ -119,4 +119,22 @@ public function update($account, $repo, $id, $params = array())
             array('Content-Type' => 'application/json')
         );
     }
+
+    /**
+     * Delete a specific branch restriction.
+     *
+     * @access public
+     * @param  string           $account The team or individual account owning the repository.
+     * @param  string           $repo    The repository identifier.
+     * @param  int              $id      The restriction's identifier.
+     * @return MessageInterface
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function delete($account, $repo, $id)
+    {
+        return $this->getClient()->setApiVersion('2.0')->delete(
+            sprintf('repositories/%s/%s/branch-restrictions/%d', $account, $repo, $id)
+        );
+    }
 }

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

@@ -162,4 +162,19 @@ public function testCreateRestrictionShouldFailIfKindIsSpecified()
 
         $restrictions->update('gentle', 'eof', 1, $params);
     }
+
+    public function testDeleteRestriction()
+    {
+        $endpoint       = 'repositories/gentle/eof/branch-restrictions/1';
+
+        $client = $this->getHttpClientMock();
+        $client->expects($this->once())
+            ->method('delete')
+            ->with($endpoint);
+
+        /** @var \Bitbucket\API\Repositories\BranchRestrictions $restriction */
+        $restriction = $this->getClassMock('Bitbucket\API\Repositories\BranchRestrictions', $client);
+
+        $restriction->delete('gentle', 'eof', 1);
+    }
 }