"""Characterize photo_analyzer discovery + path policy (donor: discover_photos)."""
import photo_analyzer as pa


def test_discover_excludes_ignore_and_thumbs(library):
    found = pa.discover_photos(library)
    names = [p.name for p in found]
    assert "secret.jpg" not in names, "_IGNORE/ content must never be discovered"
    assert "thumb.jpg" not in names, ".@__thumb/ content must never be discovered"
    assert "notes.txt" not in names


def test_discover_finds_supported_including_uppercase(library):
    names = sorted(p.name for p in pa.discover_photos(library))
    assert names == ["fx-blocks-01.jpg", "fx-blocks-02.PNG",
                     "fx-blocks-02.jpg", "fx-blocks-03.jpg"]


def test_discover_sorted_and_deduplicated(library):
    found = pa.discover_photos(library)
    assert found == sorted(set(found))


def test_supported_extensions_contract():
    # Donor contract: these exact extensions (nsfwtag EXTS differs — no .tiff/.tif).
    assert pa.SUPPORTED_EXTENSIONS == {
        ".jpg", ".jpeg", ".png", ".webp", ".heic", ".heif", ".tiff", ".tif"}