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FabledCurator/tests/test_source_service.py
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fix(subscriptions): hide sidecar synthetic Sources + prefer real on lookup
Two coupled bugs surfaced 2026-05-31 by the Subscriptions UI showing
"phantom" subscriptions like `sidecar:patreon:dpmaker`:

1. `SourceService.list()` returned every Source, no filter on URL.
   alembic 0022 (2026-05-26) consolidated old per-post-URL Sources into
   one canonical row per (artist, platform); when no real campaign URL
   was salvageable it rewrote the canonical to `sidecar:<plat>:<slug>`
   enabled=false as a disabled anchor. The UI then listed those
   anchors as if they were polls — disabled, but visible. Fix: `list()`
   excludes `url LIKE 'sidecar:%'` by default; `include_synthetic=True`
   opts back in for admin tooling.

2. `importer._source_for_sidecar` picked the lowest-id Source for
   (artist, platform). When alembic 0022 had rewritten a per-post row
   into a synthetic anchor (lower id) AND the operator later added the
   real subscription (higher id), every gallery-dl download silently
   attached its Post to the SYNTHETIC instead of the real Source. Fix:
   prefer a non-`sidecar:%` URL when one exists; fall back to the
   synthetic; only create a new synthetic when nothing exists for
   (artist, platform).

alembic 0028 is the data half: for every (artist, platform) with both
a synthetic AND a real Source, pre-merge Post+ImageProvenance
collisions on the canonical, bulk-repoint Posts/ImageProvenance/
DownloadEvent.source_id onto the real Source, and delete the
synthetic. Lone synthetics (no real twin) are left intact — they
anchor real imported content the operator may still want; the
list-filter hides them so they no longer surface as phantoms.
2026-05-31 23:08:38 -04:00

172 lines
5.4 KiB
Python

import pytest
from sqlalchemy import select
from backend.app.models import Artist, Source
from backend.app.services.source_service import (
KNOWN_PLATFORMS,
ArtistNotFoundError,
DuplicateSourceError,
EmptyUrlError,
InvalidConfigError,
SourceService,
UnknownPlatformError,
)
pytestmark = pytest.mark.integration
async def _artist(db, name="Alice"):
a = Artist(name=name, slug=name.lower())
db.add(a)
await db.flush()
return a
@pytest.mark.asyncio
async def test_known_platforms_is_gs_six(db):
assert KNOWN_PLATFORMS == frozenset({
"patreon", "subscribestar", "hentaifoundry",
"discord", "pixiv", "deviantart",
})
assert "fanbox" not in KNOWN_PLATFORMS
@pytest.mark.asyncio
async def test_create_flips_is_subscription_on_first_source(db):
artist = await _artist(db)
svc = SourceService(db)
rec = await svc.create(
artist_id=artist.id, platform="patreon", url="https://patreon.com/alice",
)
assert rec.id is not None
is_sub = (await db.execute(
select(Artist.is_subscription).where(Artist.id == artist.id)
)).scalar_one()
assert is_sub is True
@pytest.mark.asyncio
async def test_delete_last_source_flips_is_subscription_off(db):
artist = await _artist(db)
svc = SourceService(db)
rec = await svc.create(
artist_id=artist.id, platform="patreon", url="https://patreon.com/alice",
)
await svc.delete(rec.id)
is_sub = (await db.execute(
select(Artist.is_subscription).where(Artist.id == artist.id)
)).scalar_one()
assert is_sub is False
@pytest.mark.asyncio
async def test_create_rejects_unknown_platform(db):
artist = await _artist(db)
svc = SourceService(db)
with pytest.raises(UnknownPlatformError):
await svc.create(
artist_id=artist.id, platform="myspace", url="https://m/x",
)
@pytest.mark.asyncio
async def test_create_rejects_non_dict_config(db):
artist = await _artist(db)
svc = SourceService(db)
with pytest.raises(InvalidConfigError):
await svc.create(
artist_id=artist.id, platform="patreon",
url="https://patreon.com/alice", config_overrides=[1, 2, 3],
)
@pytest.mark.asyncio
async def test_create_rejects_empty_url(db):
artist = await _artist(db)
svc = SourceService(db)
with pytest.raises(EmptyUrlError):
await svc.create(artist_id=artist.id, platform="patreon", url=" ")
@pytest.mark.asyncio
async def test_create_rejects_unknown_artist(db):
svc = SourceService(db)
with pytest.raises(ArtistNotFoundError):
await svc.create(artist_id=99999, platform="patreon", url="https://x/y")
@pytest.mark.asyncio
async def test_create_duplicate_raises_with_existing_id(db):
artist = await _artist(db)
svc = SourceService(db)
first = await svc.create(
artist_id=artist.id, platform="patreon", url="https://patreon.com/alice",
)
with pytest.raises(DuplicateSourceError) as exc:
await svc.create(
artist_id=artist.id, platform="patreon",
url="https://patreon.com/alice",
)
assert exc.value.existing_id == first.id
@pytest.mark.asyncio
async def test_list_filters_by_artist(db):
a = await _artist(db, "Alice")
b = await _artist(db, "Bob")
svc = SourceService(db)
await svc.create(artist_id=a.id, platform="patreon", url="https://patreon.com/a")
await svc.create(artist_id=b.id, platform="patreon", url="https://patreon.com/b")
only_a = await svc.list(artist_id=a.id)
assert [s.artist_id for s in only_a] == [a.id]
all_rows = await svc.list()
assert len(all_rows) == 2
@pytest.mark.asyncio
async def test_update_changes_fields(db):
artist = await _artist(db)
svc = SourceService(db)
rec = await svc.create(
artist_id=artist.id, platform="patreon", url="https://patreon.com/a",
)
updated = await svc.update(rec.id, enabled=False, config_overrides={"videos": False})
assert updated.enabled is False
assert updated.config_overrides == {"videos": False}
@pytest.mark.asyncio
async def test_list_hides_sidecar_synthetic_anchors(db):
"""Filesystem-import synthetic Sources (url='sidecar:<platform>:<slug>',
enabled=False — see importer._source_for_sidecar) used to leak into the
Subscriptions UI as phantom subscriptions because list() didn't filter
them. They aren't pollable feeds; hide by default."""
artist = await _artist(db, "Alice")
real = Source(
artist_id=artist.id, platform="patreon",
url="https://patreon.com/alice", enabled=True, config_overrides={},
)
synthetic = Source(
artist_id=artist.id, platform="patreon",
url="sidecar:patreon:alice", enabled=False, config_overrides={},
)
db.add_all([real, synthetic])
await db.commit()
svc = SourceService(db)
visible = await svc.list()
visible_urls = {s.url for s in visible}
assert "https://patreon.com/alice" in visible_urls
assert "sidecar:patreon:alice" not in visible_urls
# Same filter applies to the artist-scoped list path (the artist detail
# page hits /api/sources?artist_id=N).
artist_scoped = await svc.list(artist_id=artist.id)
assert {s.url for s in artist_scoped} == {"https://patreon.com/alice"}
# include_synthetic=True opts back in for admin tooling.
everything = await svc.list(include_synthetic=True)
assert {s.url for s in everything} >= {
"https://patreon.com/alice", "sidecar:patreon:alice",
}