def test_repo_can_add_genre(session_factory):
repo = SqlAlchemyRepository(session_factory)
genre = Genre('Anime')
repo.add_genre(genre)
assert genre in repo.get_genres()
def test_repo_can_retrieve_genres(session_factory):
repo = SqlAlchemyRepository(session_factory)
genres = repo.get_genres()
assert len(genres) == 20