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FabledCurator/tests/test_tasks_library_audit.py
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"""Tests for scan_library_for_rule Celery task.
Eager mode is used so the task runs synchronously in-test and we can
assert state via column selects (post-DML ORM access banned per
reference-async-coredml-test-assertions)."""
import pytest
from PIL import Image
from sqlalchemy import select
from backend.app import celery_app
from backend.app.models import ImageRecord, LibraryAuditRun
import backend.app.tasks.library_audit # noqa: F401 — registration
pytestmark = pytest.mark.integration
def _mk_image(db_sync, tmp_path, *, mode, color, name):
path = tmp_path / name
Image.new(mode, (10, 10), color).save(path)
short_sha = f"fake-{name}"
rec = ImageRecord(
path=str(path),
sha256=short_sha + "0" * (64 - len(short_sha)),
size_bytes=path.stat().st_size,
mime="image/png",
width=10, height=10,
origin="imported_filesystem",
integrity_status="ok",
)
db_sync.add(rec)
db_sync.flush()
return rec, path
def test_scan_library_for_rule_populates_matched_ids_for_transparency(
db_sync, tmp_path, monkeypatch,
):
transparent_rec, _ = _mk_image(
db_sync, tmp_path, mode="RGBA", color=(0, 0, 0, 0), name="trans.png",
)
opaque_rec, _ = _mk_image(
db_sync, tmp_path, mode="RGBA", color=(200, 0, 0, 255), name="opaque.png",
)
audit = LibraryAuditRun(
rule="transparency", params={"threshold": 0.5},
status="running", matched_ids=[],
)
db_sync.add(audit)
db_sync.commit()
audit_id = audit.id
monkeypatch.setattr(celery_app.celery.conf, "task_always_eager", True)
from backend.app.tasks.library_audit import scan_library_for_rule
scan_library_for_rule.run(audit_id)
monkeypatch.setattr(celery_app.celery.conf, "task_always_eager", False)
matched = db_sync.execute(
select(LibraryAuditRun.matched_ids).where(LibraryAuditRun.id == audit_id)
).scalar_one()
status = db_sync.execute(
select(LibraryAuditRun.status).where(LibraryAuditRun.id == audit_id)
).scalar_one()
assert transparent_rec.id in matched
assert opaque_rec.id not in matched
assert status == "ready"
def test_scan_library_for_rule_skips_missing_files_gracefully(
db_sync, tmp_path, monkeypatch,
):
rec, path = _mk_image(
db_sync, tmp_path, mode="RGBA", color=(0, 0, 0, 0), name="ghost.png",
)
path.unlink() # delete the file but leave the DB row
audit = LibraryAuditRun(
rule="transparency", params={"threshold": 0.5},
status="running", matched_ids=[],
)
db_sync.add(audit)
db_sync.commit()
audit_id = audit.id
monkeypatch.setattr(celery_app.celery.conf, "task_always_eager", True)
from backend.app.tasks.library_audit import scan_library_for_rule
scan_library_for_rule.run(audit_id)
monkeypatch.setattr(celery_app.celery.conf, "task_always_eager", False)
status = db_sync.execute(
select(LibraryAuditRun.status).where(LibraryAuditRun.id == audit_id)
).scalar_one()
matched = db_sync.execute(
select(LibraryAuditRun.matched_ids).where(LibraryAuditRun.id == audit_id)
).scalar_one()
# Missing file is skipped (warning logged), audit completes successfully.
assert status == "ready"
assert rec.id not in matched