from uuid import uuid4

from storage.basestorage import Storage


class FakeStorage(Storage):
  def _init_path(self, path=None, create=False):
    return path

  def get_content(self, path):
    raise IOError('Fake files are fake!')

  def put_content(self, path, content):
    return path

  def stream_read(self, path):
    yield ''

  def stream_write(self, path, fp):
    pass

  def remove(self, path):
    pass

  def exists(self, path):
    return False


class FakeUserfiles(object):
  def prepare_for_drop(self, mime_type):
    return ('http://fake/url', uuid4())

  def store_file(self, file_like_obj, content_type):
    raise NotImplementedError()

  def get_file_url(self, file_id, expires_in=300):
    return ('http://fake/url')

  def get_file_checksum(self, file_id):
    return 'abcdefg'