tests/test_unique_ids.py

from pathlib import Path
from typing import cast

from datasets import Dataset, load_dataset


def test_ensure_ids_are_unique():
    repo = Path(__file__).parent.parent
    name = str(repo.resolve())  # "danish-foundation-models/danish-gigaword-2"
    ds = load_dataset(name, split="train")
    ds = cast(Dataset, ds)
    assert len(set(ds["id"])) == len(ds)