"""Tests for filtering noisy OCR fragments."""

from kb.ingest.quality import has_minimum_content


def test_short_ocr_fragments_are_rejected():
    assert not has_minimum_content('"')
    assert not has_minimum_content("B")
    assert not has_minimum_content("12")


def test_short_identifiers_and_real_text_are_retained():
    assert has_minimum_content("BID")
    assert has_minimum_content("00:15")
    assert has_minimum_content("Useful text")


def test_filter_can_be_disabled():
    assert has_minimum_content("B", min_alnum=0)