def METHOD_NAME(
    size, seed, keep_first_n_cols, keep_title_col, keep_genre_col
):
    df = MockMovielensSchema.get_df(
        size=size,
        seed=seed,
        keep_first_n_cols=keep_first_n_cols,
        keep_title_col=keep_title_col,
        keep_genre_col=keep_genre_col,
    )
    assert type(df) == pandas.DataFrame
    assert len(df) == size
    if keep_title_col:
        assert len(df[DEFAULT_TITLE_COL]) == size
    if keep_genre_col:
        assert len(df[DEFAULT_GENRE_COL]) == size