def test_has_visible_sublane(self):
fantasy, ig = Genre.lookup(self._db, classifier.Fantasy)
urban_fantasy, ig = Genre.lookup(self._db, classifier.Urban_Fantasy)
sublane = Lane(
self._db, "Urban Fantasy", genres=urban_fantasy,
subgenre_behavior=Lane.IN_SAME_LANE)
invisible_parent = Lane(
self._db, "Fantasy", invisible=True, genres=fantasy,
sublanes=[sublane], subgenre_behavior=Lane.IN_SAME_LANE)
visible_grandparent = Lane(
self._db, "English", sublanes=[invisible_parent],
subgenre_behavior=Lane.IN_SAME_LANE)
eq_(False, visible_grandparent.has_visible_sublane())
eq_(True, invisible_parent.has_visible_sublane())
eq_(False, sublane.has_visible_sublane())
