def test_repository_returns_an_empty_list_for_non_existent_genre(
        session_factory):
    repo = SqlAlchemyRepository(session_factory)

    genre_ids = repo.get_movie_ids_by_genre('United States')

    assert len(genre_ids) == 0
def test_repository_returns_movie_ids_for_existing_genre(session_factory):
    repo = SqlAlchemyRepository(session_factory)

    movie_ids = repo.get_movie_ids_by_genre('Action')

    assert 991 in movie_ids
    assert 949 in movie_ids