function testSerialize()
{
$object = new Message();
$object->setMessageId(12);
$chat = new Chat();
$chat->setFirstName('Masoud');
$object->setChat($chat);
$serialized = DataTransformer::serialize($object);
$this->assertEquals(['message_id' => 12, 'chat' => ['first_name' => 'Masoud']], $serialized);
$object = new UserProfilePhotos();
$object->setTotalCount(5);
$object->setPhotos([(new PhotoSize())->setFileId(10), (new PhotoSize())->setFileId(20)]);
$this->assertEquals(['total_count' => 5, 'photos' => [['file_id' => 10], ['file_id' => 20]]], DataTransformer::serialize($object));
$object = new Fixture();
$object->setExpiresAt(new DateTime());
$serialized = DataTransformer::serialize($object);
$this->assertEquals(date('c'), $serialized['expires_at']);
}
/**
* @Api
* Get File
*
* Use this method to get basic info about a file and prepare it for downloading. For the moment, bots can download
* files of up to 20MB in size. On success, a File object is returned. The file can then be downloaded via the link
* https://api.telegram.org/file/bot<token>/<file_path>, where <file_path> is taken from the response. It is
* guaranteed that the link will be valid for at least 1 hour. When the link expires, a new one can be requested by
* calling getFile again.
*
* @see https://core.telegram.org/bots/api#getfile
*
* @param string $fileId File identifier to get info about
* @return mixed
*/
public function getFile($fileId)
{
return DataTransformer::transform($this->post('getFile', ['file_id' => $fileId])->getResult(), File::class);
}
