"""C2PA provenance reader: abstains on raw strings."""

from text_detection.detectors.provenance import ProvenanceDetector
from text_detection.schema import Verdict


async def test_raw_string_abstains():
    det = ProvenanceDetector()
    res = await det.detect_text("A plain paragraph with no provenance manifest.")
    assert res.detector == "text_provenance"
    assert res.confidence == 0.0
    assert res.verdict == Verdict.UNCERTAIN
    assert res.p_fake == 0.5      # abstain must not move the needle
    assert res.error is None


async def test_empty_text_returns_error():
    det = ProvenanceDetector()
    res = await det.detect_text("   ")
    assert res.error is not None