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FabledCurator/tests/test_series_from_post.py
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feat(series): post→series flows + browse list — backend (FC-6.2)
The post-aware on-ramp + the data behind the missing Series browse view.

- page_number_parser: conservative stated-page parser (pages 9-12 / page 5 /
  [3/8] / 3 of 8), keyword-gated to avoid false positives. Pure + unit-tested.
- SeriesService.promote_post_to_series: a self-contained post becomes its own
  series — series tag named after the post, one chapter, the post's images as
  pages (ordered by capture order; stated pages parsed from title/description).
- SeriesService.add_post_as_chapter: append a post as the next chapter of an
  existing series, titled after the post and slotted by parsed page number
  (a "pages 1-4" post lands ahead of the "pages 9-12" chapter).
- SeriesService.list_series: browse cards — cover thumb, artist, chapter/page
  counts, gap flag, last-updated; sort recent|name|size + filter by artist.
- API: GET /api/series, POST /api/series/from-post, POST /api/series/<id>/add-post.
- Resolver uses ImageRecord.primary_post_id (same linkage the posts feed renders).

Frontend (Add-to-series control + Series view + nav) lands next.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 18:34:11 -04:00

116 lines
3.9 KiB
Python

"""FC-6.2 — promote a post to a series + add a post as a chapter + browse list."""
import pytest
from backend.app.models import Artist, ImageRecord, Post, TagKind
from backend.app.services.series_service import SeriesService
from backend.app.services.tag_service import TagService
pytestmark = pytest.mark.integration
_SEQ = 0
async def _artist(db, name):
a = Artist(name=name, slug=name.lower().replace(" ", "-"))
db.add(a)
await db.flush()
return a
async def _post(db, artist, title, ext):
p = Post(artist_id=artist.id, external_post_id=ext, post_title=title)
db.add(p)
await db.flush()
return p
async def _post_images(db, post, artist, n):
global _SEQ
ids = []
for _ in range(n):
_SEQ += 1
rec = ImageRecord(
path=f"/tmp/fc_ps_{_SEQ}.png", sha256=f"{_SEQ:064d}",
size_bytes=1, mime="image/png", origin="downloaded",
primary_post_id=post.id, artist_id=artist.id,
)
db.add(rec)
await db.flush()
ids.append(rec.id)
return ids
@pytest.mark.asyncio
async def test_promote_post_to_series(db):
svc = SeriesService(db)
artist = await _artist(db, "Bikupan")
post = await _post(db, artist, "My Comic pages 1-3", "pp1")
imgs = await _post_images(db, post, artist, 3)
out = await svc.promote_post_to_series(post.id)
assert out["added"] == 3
assert out["name"] == "My Comic pages 1-3"
data = await svc.list_pages(out["series_tag_id"])
assert len(data["chapters"]) == 1
ch = data["chapters"][0]
assert ch["stated_page_start"] == 1
assert ch["stated_page_end"] == 3
assert [p["image_id"] for p in ch["pages"]] == imgs # capture order
assert [p["stated_page"] for p in ch["pages"]] == [1, 2, 3]
@pytest.mark.asyncio
async def test_promote_requires_images(db):
svc = SeriesService(db)
artist = await _artist(db, "Empty Artist")
post = await _post(db, artist, "No images", "pp2")
from backend.app.services.series_service import SeriesError
with pytest.raises(SeriesError):
await svc.promote_post_to_series(post.id)
@pytest.mark.asyncio
async def test_add_post_as_chapter_slots_by_stated_page(db):
svc = SeriesService(db)
artist = await _artist(db, "Story Artist")
sid = (await TagService(db).find_or_create("Story", TagKind.series)).id
# An existing chapter stating pages 9-12.
await svc.create_chapter(sid, stated_page_start=9, stated_page_end=12)
# A post stating pages 1-4 should slot BEFORE the 9-12 chapter.
post = await _post(db, artist, "Story pages 1-4", "pp3")
await _post_images(db, post, artist, 4)
out = await svc.add_post_as_chapter(sid, post.id)
assert out["added"] == 4
data = await svc.list_pages(sid)
chapters = data["chapters"]
assert chapters[0]["stated_page_start"] == 1 # new one is first
assert chapters[1]["stated_page_start"] == 9
# gap 5-8 flagged between them
assert data["gaps"][0]["start"] == 5
assert data["gaps"][0]["end"] == 8
@pytest.mark.asyncio
async def test_list_series_cards(db):
svc = SeriesService(db)
artist = await _artist(db, "Card Artist")
post = await _post(db, artist, "Card Comic pages 1-2", "pp4")
await _post_images(db, post, artist, 2)
out = await svc.promote_post_to_series(post.id)
rows = await svc.list_series()
card = next(r for r in rows if r["id"] == out["series_tag_id"])
assert card["name"] == "Card Comic pages 1-2"
assert card["chapter_count"] == 1
assert card["page_count"] == 2
assert card["artist_name"] == "Card Artist"
assert card["cover_thumbnail_url"]
assert card["has_gap"] is False
# artist filter keeps it; a different artist id drops it.
assert any(r["id"] == out["series_tag_id"] for r in await svc.list_series(artist_id=artist.id))
assert all(r["id"] != out["series_tag_id"] for r in await svc.list_series(artist_id=artist.id + 99999))