def test_content_graph(self):
video = Video()
video.put()
text = Text()
text.put()
game = Game()
game.put()
arc = Arc()
arc.origin = video.key
arc.destination = text.key
arc.put()
arc = Arc()
arc.origin = video.key
arc.destination = game.key
arc.put()
nexts = Arc.find_destinations(video.key).fetch(100)
self.assertEquals(text, nexts[0].destination.get())
self.assertEquals(game, nexts[1].destination.get())
