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FabledCurator/tests/test_importer_archive.py
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Python

"""FC-2d-iii: archive → import media members + store the archive."""
import io
import json
import zipfile
import pytest
from PIL import Image
from sqlalchemy import func, select
from backend.app.models import (
ImageProvenance,
ImageRecord,
ImportSettings,
Post,
PostAttachment,
)
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
@pytest.fixture
def importer(db_sync, import_layout):
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,
)
def _jpeg_bytes(color):
buf = io.BytesIO()
Image.new("RGB", (40, 40), color).save(buf, "JPEG")
return buf.getvalue()
def _split_bytes(orient):
"""Structured half/half image — solid colors phash-collapse (distance
0); orthogonal splits are distinct only at phash_threshold=0 (see
reference-phash-test-images)."""
im = Image.new("L", (256, 256), 0)
px = im.load()
for y in range(256):
for x in range(256):
if (x / 256 if orient == "v" else y / 256) >= 0.5:
px[x, y] = 255
buf = io.BytesIO()
im.convert("RGB").save(buf, "JPEG")
return buf.getvalue()
def test_archive_imports_members_and_stores_archive(importer, import_layout):
import_root, _ = import_layout
# Distinct structure + threshold 0 so BOTH members import (solid
# colors would phash-collapse; reference-phash-test-images).
importer.settings.phash_threshold = 0
arc = import_root / "Bob" / "set.cbz"
arc.parent.mkdir(parents=True, exist_ok=True)
with zipfile.ZipFile(arc, "w") as zf:
zf.writestr("a.jpg", _split_bytes("v"))
zf.writestr("b.jpg", _split_bytes("h"))
zf.writestr("readme.txt", b"hello")
arc.with_suffix(".cbz.json").write_text(json.dumps(
{"category": "patreon", "id": "777", "title": "Set"}))
r = importer.import_one(arc)
assert r.status == "imported"
assert len(r.member_image_ids) == 2
imgs = importer.session.execute(select(ImageRecord)).scalars().all()
assert len(imgs) == 2
post = importer.session.execute(select(Post)).scalar_one()
provs = importer.session.execute(
select(func.count()).select_from(ImageProvenance)
).scalar_one()
assert provs == 2 # one Post, both members
att = importer.session.execute(select(PostAttachment)).scalar_one()
assert att.original_filename == "set.cbz"
assert att.post_id == post.id
def test_corrupt_archive_still_stored(importer, import_layout):
import_root, _ = import_layout
arc = import_root / "Bob" / "broken.zip"
arc.parent.mkdir(parents=True, exist_ok=True)
arc.write_bytes(b"definitely not a zip")
r = importer.import_one(arc)
assert r.status == "attached"
att = importer.session.execute(select(PostAttachment)).scalar_one()
assert att.original_filename == "broken.zip"
assert importer.session.execute(
select(func.count()).select_from(ImageRecord)
).scalar_one() == 0
def test_reimport_archive_is_idempotent(importer, import_layout):
import_root, _ = import_layout
arc = import_root / "Bob" / "set.zip"
arc.parent.mkdir(parents=True, exist_ok=True)
with zipfile.ZipFile(arc, "w") as zf:
zf.writestr("a.jpg", _jpeg_bytes((1, 2, 3)))
importer.import_one(arc)
importer.import_one(arc)
assert importer.session.execute(
select(func.count()).select_from(PostAttachment)
).scalar_one() == 1