"""EXIF extractor tests."""

from __future__ import annotations

import io

from PIL import Image

from extractors.features import exif


def test_no_exif_is_reported(tmp_path, png_bytes):
    path = tmp_path / "plain.png"
    path.write_bytes(png_bytes)
    res = exif.extract(str(path))
    assert res.ok is True
    assert any("No EXIF" in e for e in res.evidence)
    assert not res.anomalies


def test_editing_software_flagged_as_anomaly(jpeg_with_software):
    res = exif.extract(jpeg_with_software)
    assert res.ok is True
    assert res.results.get("software", "").lower().startswith("adobe photoshop")
    assert any("Editing/generation software" in a for a in res.anomalies)


def test_non_image_returns_error(tmp_path):
    path = tmp_path / "notimage.bin"
    path.write_bytes(b"not an image at all")
    res = exif.extract(str(path))
    assert res.ok is False
    assert res.error