implemented PullRequests::update (API 2.0)

Author: vimishor

docs/repositories/pullrequests.md

@@ -39,6 +39,19 @@ $pull->create('gentle', 'secret-repo', array(
     )
 ));
 ```
+
+### Update a pull request:
+```php
+$pull->update('gentle', 'secret-repo', 1, array(
+    'title'         => 'Test PR (updated)',
+    'destination'   => array(
+        'branch'    => array(
+            'name'  => 'master'
+        )
+    ),
+));
+```
+
 ----
 
 #### Related:

lib/Bitbucket/API/Repositories/PullRequests.php

@@ -12,7 +12,6 @@
 namespace Bitbucket\API\Repositories;
 
 use Bitbucket\API;
-use Bitbucket\API\Utils;
 use Buzz\Message\MessageInterface;
 
 /**
@@ -96,4 +95,38 @@ public function create($account, $repo, $params = array())
             array('Content-Type' => 'application/json')
         );
     }
+
+    /**
+     * Update a pull request
+     *
+     * @access public
+     * @param  string           $account The team or individual account owning the repository.
+     * @param  string           $repo    The repository identifier.
+     * @param  int              $id      ID of the pull request that will be updated
+     * @param  array            $params  Additional parameters
+     * @return MessageInterface
+     */
+    public function update($account, $repo, $id, $params = array())
+    {
+        // allow developer to directly specify params as json if (s)he wants.
+        if (!empty($params) && is_array($params)) {
+            $params = json_encode(array_merge(
+                array(
+                    'title' => 'Updated pull request',
+                    'destination' => array(
+                        'branch' => array(
+                            'name'  => 'develop'
+                        )
+                    )
+                ),
+                $params
+            ));
+        }
+
+        return $this->getClient()->setApiVersion('2.0')->put(
+            sprintf('repositories/%s/%s/pullrequests/%d', $account, $repo, $id),
+            $params,
+            array('Content-Type' => 'application/json')
+        );
+    }
 }

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

@@ -88,4 +88,50 @@ public function testCreateNewPullRequestFromArray()
 
         $pull->create('gentle', 'eof', $params);
     }
+
+    public function testUpdatePullRequestFromJSON()
+    {
+        $endpoint       = 'repositories/gentle/eof/pullrequests/1';
+        $params         = json_encode(array(
+                'title'         => 'Test PR (updated)',
+                'destination'   => array(
+                    'branch'    => array(
+                        'name'  => 'master'
+                    )
+                )
+            ));
+
+        $client = $this->getHttpClientMock();
+        $client->expects($this->once())
+            ->method('put')
+            ->with($endpoint, $params);
+
+        /** @var \Bitbucket\API\Repositories\PullRequests $pull */
+        $pull   = $this->getClassMock('Bitbucket\API\Repositories\PullRequests', $client);
+
+        $pull->update('gentle', 'eof', 1, $params);
+    }
+
+    public function testUpdatePullRequestFromArray()
+    {
+        $endpoint       = 'repositories/gentle/eof/pullrequests/1';
+        $params         = array(
+            'title'         => 'Test PR (updated)',
+            'destination'   => array(
+                'branch'    => array(
+                    'name'  => 'master'
+                )
+            ),
+        );
+
+        $client = $this->getHttpClientMock();
+        $client->expects($this->once())
+            ->method('put')
+            ->with($endpoint, json_encode($params));
+
+        /** @var \Bitbucket\API\Repositories\PullRequests $pull */
+        $pull   = $this->getClassMock('Bitbucket\API\Repositories\PullRequests', $client);
+
+        $pull->update('gentle', 'eof', 1, $params);
+    }
 }