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FabledCurator/tests/test_importer_deep.py
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Python

"""FC-2d-vi: Importer(deep=True) re-derives on an already-imported row."""
import json
import pytest
from PIL import Image
from sqlalchemy import func, select
from backend.app.models import (
ImageProvenance,
ImageRecord,
ImportSettings,
Post,
)
from backend.app.services.importer import Importer
from backend.app.services.thumbnailer import Thumbnailer
pytestmark = pytest.mark.integration
@pytest.fixture
def import_layout(tmp_path):
import_root = tmp_path / "import"
images_root = tmp_path / "images"
import_root.mkdir()
images_root.mkdir()
return import_root, images_root
def _mk(db_sync, import_layout, *, deep):
import_root, images_root = import_layout
settings = db_sync.execute(
select(ImportSettings).where(ImportSettings.id == 1)
).scalar_one()
return Importer(
session=db_sync, images_root=images_root, import_root=import_root,
thumbnailer=Thumbnailer(images_root=images_root), settings=settings,
deep=deep,
)
def _img(path):
path.parent.mkdir(parents=True, exist_ok=True)
Image.new("RGB", (50, 50), (90, 30, 200)).save(path, "JPEG")
def test_deep_rederives_phash_and_provenance(db_sync, import_layout):
import_root, _ = import_layout
src = import_root / "Mae" / "p.jpg"
_img(src)
# First import (quick). Images get a phash on import; null it +
# primary_post_id to simulate a pre-FC-2d-i+ii/v record, then add a
# sidecar to simulate provenance that didn't exist at first import.
quick = _mk(db_sync, import_layout, deep=False)
r1 = quick.import_one(src)
assert r1.status == "imported"
rec = db_sync.get(ImageRecord, r1.image_id)
rec.phash = None
rec.primary_post_id = None
db_sync.commit()
src.with_suffix(".jpg.json").write_text(json.dumps(
{"category": "patreon", "id": "9", "title": "P"}))
deep = _mk(db_sync, import_layout, deep=True)
r2 = deep.import_one(src)
# Outcome flipped from "skipped+duplicate_hash" to "refreshed" 2026-05-25
# so the UI can surface deep scan's actual work instead of showing it as
# a no-op. See ImportResult.status comment + _deep_rederive docstring.
assert r2.status == "refreshed"
assert r2.image_id == rec.id
assert r2.skip_reason is None
assert r2.error is None
db_sync.expire_all()
rec2 = db_sync.get(ImageRecord, rec.id)
assert rec2.phash is not None
assert db_sync.execute(
select(func.count()).select_from(ImageRecord)
).scalar_one() == 1 # no new record
post = db_sync.execute(select(Post)).scalar_one()
assert db_sync.execute(
select(func.count()).select_from(ImageProvenance)
.where(ImageProvenance.image_record_id == rec.id)
).scalar_one() == 1
assert rec2.primary_post_id == post.id
# Idempotent: a second deep pass adds no duplicate provenance.
_mk(db_sync, import_layout, deep=True).import_one(src)
db_sync.expire_all()
assert db_sync.execute(
select(func.count()).select_from(ImageProvenance)
).scalar_one() == 1
def test_deep_false_is_plain_skip(db_sync, import_layout):
import_root, _ = import_layout
src = import_root / "Mae" / "q.jpg"
_img(src)
_mk(db_sync, import_layout, deep=False).import_one(src)
r = _mk(db_sync, import_layout, deep=False).import_one(src)
assert r.status == "skipped"
assert r.error == "sha256 already present"