implemented Repository::watchers (API 2.0)

Author: vimishor

docs/repositories/repository.md

@@ -50,6 +50,11 @@ $repo->update($account_name, $repo_slug, array(
 $repo->delete($account_name, $repo_slug);
 ```
 
+### Gets the list of accounts watching a repository: (API 2.0)
+```php
+$repo->watchers($account_name, $repo_slug);
+```
+
 ### Fork a repository:
 ```php
 $repo->fork($account_name, $repo_slug, $fork_slug, array(

lib/Bitbucket/API/Repositories/Repository.php

@@ -132,9 +132,9 @@ public function update($account, $repo, array $params = array())
      * Delete a repository
      *
      * @access public
-     * @param  string $account The team or individual account owning the repository.
-     * @param  string $repo    The repository identifier.
-     * @return mixed
+     * @param  string           $account The team or individual account owning the repository.
+     * @param  string           $repo    The repository identifier.
+     * @return MessageInterface
      */
     public function delete($account, $repo)
     {
@@ -143,6 +143,21 @@ public function delete($account, $repo)
         );
     }
 
+    /**
+     * Gets the list of accounts watching a repository.
+     *
+     * @access public
+     * @param  string           $account The team or individual account owning the repository.
+     * @param  string           $repo    The repository identifier.
+     * @return MessageInterface
+     */
+    public function watchers($account, $repo)
+    {
+        return $this->getClient()->setApiVersion('2.0')->get(
+            sprintf('repositories/%s/%s/watchers', $account, $repo)
+        );
+    }
+
     /**
      * Fork a repository
      *

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

@@ -122,6 +122,24 @@ public function testDeleteRepository()
         $repo->delete('gentle', 'eof');
     }
 
+    public function testGetRepositoryWatchers()
+    {
+        $endpoint       = 'repositories/gentle/eof/watchers';
+        $expectedResult = $this->fakeResponse(array('dummy'));
+
+        $client = $this->getHttpClientMock();
+        $client->expects($this->once())
+            ->method('get')
+            ->with($endpoint)
+            ->will($this->returnValue($expectedResult));
+
+        /** @var \Bitbucket\API\Repositories\Repository $repo */
+        $repo   = $this->getClassMock('Bitbucket\API\Repositories\Repository', $client);
+        $actual = $repo->watchers('gentle', 'eof');
+
+        $this->assertEquals($expectedResult, $actual);
+    }
+
     public function testForkRepositorySuccess()
     {
         $endpoint       = 'repositories/gentle/eof/fork';