from __future__ import annotations

from ariadne.utils.name_generator import NameGenerator


def test_name_generator_returns_none_after_exhausting_attempts(monkeypatch) -> None:
    generator = NameGenerator(max_attempts=2)
    monkeypatch.setattr(NameGenerator, "generate", lambda self: "already-used")

    assert generator.unique({"already-used"}) is None