def test_repository_can_add_a_genre(session_factory):
repo = SqlAlchemyRepository(session_factory)
genre = Genre('Some New Genre')
repo.add_genre(genre)
assert repo.get_genre('Some New Genre') == genre and repo.get_genre('Some New Genre') is genre
def test_repository_can_retrieve_a_genre(session_factory):
repo = SqlAlchemyRepository(session_factory)
genre = repo.get_genre('Sci-Fi')
assert genre == Genre('Sci-Fi')
assert Movie("Guardians of the Galaxy", 2014) in genre.classified_movies
