text: from __future__ import absolute_import
  
  from .fixtures import *
  
  from blitzdb.tests.helpers.movie_data import Actor, Movie
  
  def test_nested_value(backend):
  
      actor = Actor({'name' : 'Robert de Niro'})
      movie = Movie({'best_actor' : actor,'title' : 'The Godfather'})
  
      backend.save(actor)
      actor.movies = [movie]
      backend.save(actor)
      backend.commit()
      backend.save(movie)
      backend.commit()
  
      recovered_actor = backend.get(Actor,{'pk' : actor.pk})
  
      assert recovered_actor == actor
      assert movie in recovered_actor.movies
      assert recovered_actor.movies[0] == movie
      assert 'best_actor' in recovered_actor.movies[0]
      assert recovered_actor.movies[0].best_actor == recovered_actor
  
      recovered_actors = backend.filter(Actor,{'movies.title' : 'The Godfather'})
      assert len(recovered_actors) == 1
      assert actor in recovered_actors
  
  