255 lines
8.0 KiB
Python
255 lines
8.0 KiB
Python
"""DownloadService orchestrator tests.
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GalleryDLService is mocked to return a canned DownloadResult; tests
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provide on-disk files for the importer to attach_in_place.
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"""
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from pathlib import Path
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from types import SimpleNamespace
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from unittest.mock import AsyncMock, MagicMock
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import pytest
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from sqlalchemy import select
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from backend.app.models import Artist, DownloadEvent, ImportSettings, Source
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from backend.app.services.credential_crypto import CredentialCrypto
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from backend.app.services.credential_service import CredentialService
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from backend.app.services.thumbnailer import Thumbnailer
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pytestmark = pytest.mark.integration
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@pytest.fixture
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async def seed_artist_and_source(db, db_sync):
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artist = Artist(name="Alice", slug="alice")
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db.add(artist)
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await db.flush()
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source = Source(
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artist_id=artist.id, platform="patreon",
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url="https://patreon.com/alice", enabled=True,
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config_overrides={},
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)
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db.add(source)
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await db.commit()
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return artist, source
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def _make_jpg(path: Path):
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from PIL import Image
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path.parent.mkdir(parents=True, exist_ok=True)
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Image.new("RGB", (32, 32), (100, 100, 100)).save(path, "JPEG")
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def _make_fake_dl_result(
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*, success=True, written_paths=None, quarantined_paths=None,
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files_downloaded=0, error_type=None, error_message=None,
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stdout="", stderr="",
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):
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return SimpleNamespace(
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success=success,
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url="https://patreon.com/alice",
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artist_slug="alice",
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platform="patreon",
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files_downloaded=files_downloaded,
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files_quarantined=len(quarantined_paths or []),
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quarantined_paths=quarantined_paths or [],
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written_paths=written_paths or [],
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stdout=stdout,
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stderr=stderr,
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return_code=0 if success else 1,
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error_type=error_type,
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error_message=error_message,
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duration_seconds=1.23,
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started_at="2026-05-20T14:00:00+00:00",
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completed_at="2026-05-20T14:01:00+00:00",
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)
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def _fake_gdl_with_result(result):
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fake = MagicMock()
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fake.download = AsyncMock(return_value=result)
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fake._compute_run_stats = lambda *a, **k: {
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"exit_code": 0, "downloaded_count": len(result.written_paths),
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"skipped_count": 0, "per_item_failures": 0,
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"warning_count": 0, "tier_gated_count": 0,
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}
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fake._extract_errors_warnings = lambda *a, **k: ""
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fake._truncate_log = lambda x, **k: x
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return fake
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@pytest.mark.asyncio
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async def test_download_source_attaches_written_files(
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db, db_sync, tmp_path, seed_artist_and_source,
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):
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from backend.app.services.download_service import DownloadService
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from backend.app.services.importer import Importer
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_artist, source = seed_artist_and_source
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images_root = tmp_path / "images"
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f1 = images_root / "alice" / "patreon" / "post" / "a.jpg"
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f2 = images_root / "alice" / "patreon" / "post" / "b.jpg"
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_make_jpg(f1)
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_make_jpg(f2)
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fake_gdl = _fake_gdl_with_result(_make_fake_dl_result(
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success=True,
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written_paths=[str(f1), str(f2)],
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files_downloaded=2,
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stdout=f"{f1}\n{f2}\n",
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))
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sync_settings = db_sync.execute(
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select(ImportSettings).where(ImportSettings.id == 1)
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).scalar_one()
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importer = Importer(
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session=db_sync, images_root=images_root,
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import_root=images_root,
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thumbnailer=Thumbnailer(images_root=images_root),
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settings=sync_settings,
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)
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crypto = CredentialCrypto(tmp_path / "key.b64")
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cred_service = CredentialService(db, crypto)
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svc = DownloadService(
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async_session=db, sync_session=db_sync,
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gdl=fake_gdl, importer=importer, cred_service=cred_service,
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)
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event_id = await svc.download_source(source.id)
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ev = (await db.execute(
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select(DownloadEvent).where(DownloadEvent.id == event_id)
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)).scalar_one()
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assert ev.status == "ok"
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assert ev.files_count == 2
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assert ev.metadata_["import_summary"]["attached"] == 2
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assert ev.metadata_["run_stats"]["downloaded_count"] == 2
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@pytest.mark.asyncio
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async def test_download_source_skipped_when_disabled(
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db, db_sync, tmp_path, seed_artist_and_source,
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):
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from backend.app.services.download_service import DownloadService
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from backend.app.services.importer import Importer
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_artist, source = seed_artist_and_source
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source.enabled = False
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await db.commit()
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fake_gdl = MagicMock()
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fake_gdl.download = AsyncMock()
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sync_settings = db_sync.execute(
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select(ImportSettings).where(ImportSettings.id == 1)
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).scalar_one()
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importer = Importer(
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session=db_sync, images_root=tmp_path,
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import_root=tmp_path,
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thumbnailer=Thumbnailer(images_root=tmp_path),
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settings=sync_settings,
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)
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cred_service = CredentialService(db, MagicMock())
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svc = DownloadService(
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async_session=db, sync_session=db_sync,
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gdl=fake_gdl, importer=importer, cred_service=cred_service,
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)
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event_id = await svc.download_source(source.id)
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ev = (await db.execute(
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select(DownloadEvent).where(DownloadEvent.id == event_id)
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)).scalar_one()
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assert ev.status == "skipped"
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assert ev.error == "source disabled"
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fake_gdl.download.assert_not_called()
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@pytest.mark.asyncio
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async def test_in_flight_idempotency_returns_existing_event(
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db, db_sync, tmp_path, seed_artist_and_source,
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):
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from backend.app.services.download_service import DownloadService
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_artist, source = seed_artist_and_source
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running = DownloadEvent(source_id=source.id, status="running")
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db.add(running)
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await db.commit()
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await db.refresh(running)
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fake_gdl = MagicMock()
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fake_gdl.download = AsyncMock()
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importer_stub = MagicMock()
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cred_service = CredentialService(db, MagicMock())
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svc = DownloadService(
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async_session=db, sync_session=db_sync,
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gdl=fake_gdl, importer=importer_stub, cred_service=cred_service,
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)
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event_id = await svc.download_source(source.id)
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assert event_id == running.id
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fake_gdl.download.assert_not_called()
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@pytest.mark.asyncio
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async def test_patreon_retry_caches_campaign_id(
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db, db_sync, tmp_path, seed_artist_and_source, monkeypatch,
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):
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from backend.app.services.download_service import DownloadService
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from backend.app.services.importer import Importer
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_artist, source = seed_artist_and_source
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failed = _make_fake_dl_result(
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success=False, written_paths=[], stdout="",
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stderr="[patreon][error] Failed to extract campaign ID for alice\n",
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)
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succeeded = _make_fake_dl_result(success=True, written_paths=[])
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download_calls = []
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async def fake_download(url, **k):
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download_calls.append(url)
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return failed if len(download_calls) == 1 else succeeded
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fake_gdl = MagicMock()
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fake_gdl.download = fake_download
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fake_gdl._compute_run_stats = lambda *a, **k: {
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"exit_code": 0, "downloaded_count": 0, "skipped_count": 0,
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"per_item_failures": 0, "warning_count": 0, "tier_gated_count": 0,
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}
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fake_gdl._extract_errors_warnings = lambda *a, **k: ""
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fake_gdl._truncate_log = lambda x, **k: x
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monkeypatch.setattr(
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"backend.app.services.download_service.resolve_campaign_id",
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AsyncMock(return_value="99"),
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)
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sync_settings = db_sync.execute(
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select(ImportSettings).where(ImportSettings.id == 1)
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).scalar_one()
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importer = Importer(
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session=db_sync, images_root=tmp_path,
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import_root=tmp_path,
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thumbnailer=Thumbnailer(images_root=tmp_path),
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settings=sync_settings,
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)
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cred_service = CredentialService(db, MagicMock())
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svc = DownloadService(
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async_session=db, sync_session=db_sync,
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gdl=fake_gdl, importer=importer, cred_service=cred_service,
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)
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await svc.download_source(source.id)
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assert len(download_calls) == 2
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assert "id:99" in download_calls[1]
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overrides = db_sync.execute(
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select(Source.config_overrides).where(Source.id == source.id)
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).scalar_one()
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assert overrides.get("patreon_campaign_id") == "99"
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