/**
* Instantiate a new GraphEdge from response.
*
* @param string|null $subclassName The GraphNode subclass to cast list items to.
* @param boolean $auto_prefix Toggle to auto-prefix the subclass name.
*
* @return \Facebook\GraphNodes\GraphEdge
*
* @throws FacebookSDKException
*/
public function getGraphEdge($subclassName = null, $auto_prefix = true)
{
$factory = new GraphNodeFactory($this);
return $factory->makeGraphEdge($subclassName, $auto_prefix);
}
public function testAGraphEdgeWillGenerateTheProperParentGraphEdges()
{
$likesList = ['data' => [['id' => '1', 'name' => 'Sammy Kaye Powers']], 'paging' => ['cursors' => ['after' => 'like_after_cursor', 'before' => 'like_before_cursor']]];
$photosList = ['data' => [['id' => '777', 'name' => 'Foo Photo', 'likes' => $likesList]], 'paging' => ['cursors' => ['after' => 'photo_after_cursor', 'before' => 'photo_before_cursor']]];
$data = json_encode(['data' => [['id' => '111', 'name' => 'Foo McBar', 'likes' => $likesList, 'photos' => $photosList], ['id' => '222', 'name' => 'Bar McBaz', 'likes' => $likesList, 'photos' => $photosList]], 'paging' => ['next' => 'http://facebook/next', 'previous' => 'http://facebook/prev']]);
$res = new FacebookResponse($this->request, $data);
$factory = new GraphNodeFactory($res);
$graphEdge = $factory->makeGraphEdge();
$topGraphEdge = $graphEdge->getParentGraphEdge();
$childGraphEdgeOne = $graphEdge[0]['likes']->getParentGraphEdge();
$childGraphEdgeTwo = $graphEdge[1]['likes']->getParentGraphEdge();
$childGraphEdgeThree = $graphEdge[1]['photos']->getParentGraphEdge();
$childGraphEdgeFour = $graphEdge[1]['photos'][0]['likes']->getParentGraphEdge();
$this->assertNull($topGraphEdge);
$this->assertEquals('/111/likes', $childGraphEdgeOne);
$this->assertEquals('/222/likes', $childGraphEdgeTwo);
$this->assertEquals('/222/photos', $childGraphEdgeThree);
$this->assertEquals('/777/likes', $childGraphEdgeFour);
}
