533 lines
19 KiB
Python
533 lines
19 KiB
Python
"""内存替身：项目/章节 repo + 写章网关（端点测试用，无 DB/无网络）。
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绝对导入 `from fakes_projects import ...`（包目录无 __init__.py，见 memory/gotchas）。
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全局唯一名（避免跨包同名碰撞）。
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"""
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from __future__ import annotations
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import uuid
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from collections.abc import AsyncIterator
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from contextlib import asynccontextmanager
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from datetime import UTC, datetime
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from typing import Any
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from pydantic import BaseModel
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from ww_core.domain import ForeshadowLedgerView, OutlineWriteView, StyleFingerprintView
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from ww_core.domain.chapter_repo import ChapterDraftView, ChapterView
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from ww_core.domain.foreshadow_state import (
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ForeshadowStatus,
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apply_overdue_scan,
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)
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from ww_core.domain.foreshadow_state import (
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transition as apply_transition,
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)
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from ww_core.domain.job_repo import (
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PROGRESS_COMPLETE,
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STATUS_AWAITING,
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STATUS_DONE,
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STATUS_FAILED,
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STATUS_QUEUED,
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STATUS_RUNNING,
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JobView,
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)
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from ww_core.domain.project_repo import ProjectCreate, ProjectView
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from ww_core.domain.repositories import DigestView, OutlineView
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from ww_core.domain.review_repo import ReviewView
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from ww_llm_gateway.types import Delta, LlmRequest, LlmResponse, ServedBy, Usage
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class FakeProjectRepo:
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"""实现 `ProjectRepo` Protocol 的内存版（按 owner_id 隔离）。"""
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def __init__(self) -> None:
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self.rows: dict[uuid.UUID, tuple[uuid.UUID, ProjectView]] = {}
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self.now = datetime(2026, 6, 28, tzinfo=UTC)
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async def create(self, owner_id: uuid.UUID, data: ProjectCreate) -> ProjectView:
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pid = uuid.uuid4()
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view = ProjectView(
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id=pid,
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title=data.title,
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genre=data.genre,
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logline=data.logline,
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premise=data.premise,
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theme=data.theme,
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selling_points=list(data.selling_points),
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structure=data.structure,
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updated_at=self.now,
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)
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self.rows[pid] = (owner_id, view)
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return view
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async def list_for_owner(self, owner_id: uuid.UUID) -> list[ProjectView]:
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return [v for (o, v) in self.rows.values() if o == owner_id]
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async def get(self, owner_id: uuid.UUID, project_id: uuid.UUID) -> ProjectView | None:
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entry = self.rows.get(project_id)
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if entry is None or entry[0] != owner_id:
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return None
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return entry[1]
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class FakeChapterRepo:
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"""实现 `ChapterRepo` Protocol：幂等覆盖同 (project_id, chapter_no) 草稿。"""
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def __init__(self) -> None:
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self.drafts: dict[tuple[uuid.UUID, int], ChapterDraftView] = {}
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self.accepted_versions: dict[tuple[uuid.UUID, int], int] = {}
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self.accepted_content: dict[tuple[uuid.UUID, int, int], str] = {}
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async def save_draft(
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self, project_id: uuid.UUID, chapter_no: int, *, text: str, volume: int = 1
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) -> ChapterDraftView:
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view = ChapterDraftView(
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project_id=project_id,
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chapter_no=chapter_no,
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volume=volume,
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content=text,
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status="draft",
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version=1,
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)
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self.drafts[(project_id, chapter_no)] = view
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return view
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async def get_draft(self, project_id: uuid.UUID, chapter_no: int) -> ChapterDraftView | None:
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return self.drafts.get((project_id, chapter_no))
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async def max_version(self, project_id: uuid.UUID, chapter_no: int) -> int:
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versions = [
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v for (p, c), v in self.accepted_versions.items() if p == project_id and c == chapter_no
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]
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draft = 1 if (project_id, chapter_no) in self.drafts else 0
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return max([*versions, draft], default=0)
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async def promote_to_accepted(
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self, project_id: uuid.UUID, chapter_no: int, *, content: str, volume: int = 1
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) -> ChapterView:
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next_version = (await self.max_version(project_id, chapter_no)) + 1
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self.accepted_versions[(project_id, chapter_no)] = next_version
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self.accepted_content[(project_id, chapter_no, next_version)] = content
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return ChapterView(
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project_id=project_id,
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chapter_no=chapter_no,
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volume=volume,
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content=content,
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status="accepted",
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version=next_version,
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)
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async def latest_accepted(self, project_id: uuid.UUID, chapter_no: int) -> ChapterView | None:
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ver = self.accepted_versions.get((project_id, chapter_no))
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if ver is None:
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return None
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return ChapterView(
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project_id=project_id,
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chapter_no=chapter_no,
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volume=1,
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content=self.accepted_content[(project_id, chapter_no, ver)],
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status="accepted",
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version=ver,
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)
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class FakeReviewRepo:
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"""实现 `ReviewRepo` Protocol（内存留痕 + 历史 + 裁决；只 flush 语义无 DB）。"""
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def __init__(self, *, fail_set_decisions: bool = False) -> None:
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self.rows: list[ReviewView] = []
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self._fail_set_decisions = fail_set_decisions
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async def record(
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self,
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project_id: uuid.UUID,
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chapter_no: int,
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*,
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chapter_version: int | None = None,
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conflicts: list[dict[str, Any]],
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foreshadow_sug: list[dict[str, Any]] | None = None,
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style: dict[str, Any] | None = None,
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pace: dict[str, Any] | None = None,
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health_score: int | None = None,
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) -> ReviewView:
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view = ReviewView(
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id=uuid.uuid4(),
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project_id=project_id,
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chapter_no=chapter_no,
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chapter_version=chapter_version,
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conflicts=[dict(c) for c in conflicts],
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foreshadow_sug=[dict(s) for s in (foreshadow_sug or [])],
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style=style,
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pace=pace,
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health_score=health_score,
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)
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# 新→旧：插到列表头部。
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self.rows.insert(0, view)
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return view
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async def list_for_chapter(self, project_id: uuid.UUID, chapter_no: int) -> list[ReviewView]:
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return [r for r in self.rows if r.project_id == project_id and r.chapter_no == chapter_no]
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async def set_decisions(self, review_id: uuid.UUID, *, decisions: dict[str, Any]) -> ReviewView:
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if self._fail_set_decisions:
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raise RuntimeError("boom: set_decisions failed (transaction rollback test)")
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for i, r in enumerate(self.rows):
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if r.id == review_id:
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updated = r.model_copy(update={"decisions": dict(decisions)})
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self.rows[i] = updated
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return updated
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raise LookupError(f"review not found: {review_id}")
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class FakeDigestAppendRepo:
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"""实现 `DigestAppendRepo` Protocol（内存 append-only）。"""
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def __init__(self) -> None:
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self.rows: list[tuple[uuid.UUID, int, dict[str, Any]]] = []
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async def append(
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self, project_id: uuid.UUID, chapter_no: int, *, facts: dict[str, Any]
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) -> DigestView:
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self.rows.append((project_id, chapter_no, dict(facts)))
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return DigestView(chapter_no=chapter_no, facts=dict(facts))
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class FakeSession:
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"""最小 fake：记录 commit/rollback 次数（验收事务 + 端点提交边界断言）。"""
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def __init__(self) -> None:
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self.commits = 0
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self.rollbacks = 0
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async def commit(self) -> None:
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self.commits += 1
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async def rollback(self) -> None:
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self.rollbacks += 1
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class FakeForeshadowRepo:
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"""实现 `ForeshadowLedgerRepo` Protocol（内存；状态机/进展/扫描复用纯函数）。
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`raise_integrity_on` 模拟重复 code 的 DB 唯一约束冲突（register 抛 IntegrityError）。
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"""
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def __init__(self, *, raise_integrity_on: set[str] | None = None) -> None:
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self.rows: dict[tuple[uuid.UUID, str], ForeshadowLedgerView] = {}
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self._raise_integrity_on = raise_integrity_on or set()
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async def register(
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self,
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project_id: uuid.UUID,
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*,
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code: str,
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title: str,
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planted_at: int | None = None,
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content: str | None = None,
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expected_close_from: int | None = None,
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expected_close_to: int | None = None,
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importance: str | None = None,
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) -> ForeshadowLedgerView:
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if code in self._raise_integrity_on or (project_id, code) in self.rows:
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from sqlalchemy.exc import IntegrityError
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raise IntegrityError("duplicate code", None, Exception("unique"))
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view = ForeshadowLedgerView(
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code=code,
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title=title,
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status=ForeshadowStatus.OPEN.value,
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planted_at=planted_at,
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content=content,
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expected_close_from=expected_close_from,
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expected_close_to=expected_close_to,
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importance=importance,
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)
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self.rows[(project_id, code)] = view
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return view
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async def get(self, project_id: uuid.UUID, code: str) -> ForeshadowLedgerView | None:
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return self.rows.get((project_id, code))
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async def list_by_status(
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self, project_id: uuid.UUID, status: str | None = None
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) -> list[ForeshadowLedgerView]:
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rows = [v for (p, _), v in self.rows.items() if p == project_id]
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if status is not None:
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rows = [v for v in rows if v.status == status]
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return sorted(rows, key=lambda v: v.code)
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async def transition(
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self, project_id: uuid.UUID, code: str, *, to_status: str
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) -> ForeshadowLedgerView:
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row = self.rows.get((project_id, code))
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if row is None:
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raise LookupError(f"foreshadow not found: {code}")
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new_status = apply_transition(
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ForeshadowStatus(row.status), ForeshadowStatus(to_status)
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).value
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updated = row.model_copy(update={"status": new_status})
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self.rows[(project_id, code)] = updated
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return updated
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async def record_progress(
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self, project_id: uuid.UUID, code: str, *, entry: dict[str, Any]
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) -> ForeshadowLedgerView:
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row = self.rows.get((project_id, code))
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if row is None:
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raise LookupError(f"foreshadow not found: {code}")
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updated = row.model_copy(update={"progress": [*row.progress, dict(entry)]})
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self.rows[(project_id, code)] = updated
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return updated
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async def scan_overdue(
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self, project_id: uuid.UUID, *, current_chapter: int
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) -> list[ForeshadowLedgerView]:
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changed: list[ForeshadowLedgerView] = []
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for key, row in list(self.rows.items()):
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new_status = apply_overdue_scan(
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ForeshadowStatus(row.status),
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current_chapter=current_chapter,
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expected_close_to=row.expected_close_to,
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).value
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if new_status != row.status:
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updated = row.model_copy(update={"status": new_status})
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self.rows[key] = updated
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changed.append(updated)
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return changed
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class FakeOutlineWriteRepo:
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"""实现 `OutlineWriteRepo` Protocol（内存；幂等覆盖同 (project_id, chapter_no)）。"""
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def __init__(self) -> None:
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# (project_id, chapter_no) -> (volume, beats, foreshadow_windows)
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self.rows: dict[tuple[uuid.UUID, int], tuple[int, list[str], list[dict[str, Any]]]] = {}
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self.upsert_calls = 0
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async def upsert_chapter(
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self,
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project_id: uuid.UUID,
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*,
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volume: int,
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chapter_no: int,
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beats: list[str],
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foreshadow_windows: list[dict[str, Any]],
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) -> OutlineWriteView:
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self.upsert_calls += 1
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windows = [dict(w) for w in foreshadow_windows]
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self.rows[(project_id, chapter_no)] = (volume, list(beats), windows)
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return OutlineWriteView(
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chapter_no=chapter_no,
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volume=volume,
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beats=list(beats),
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foreshadow_windows=windows,
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)
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class FakeOutlineReadRepo:
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"""实现读侧 `OutlineRepo` Protocol（内存；DB beats 形 `{"beats": [...]}`）。
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`add_chapter` 以裸 `list[str]` 便利入种，内部包成 dict（与 DB JSONB round-trip 一致）。
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`list_for_project` 按 chapter_no 升序返回（仿 SqlOutlineRepo 的 order_by）。
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"""
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def __init__(self) -> None:
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self.rows: dict[tuple[uuid.UUID, int], OutlineView] = {}
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def add_chapter(
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self,
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project_id: uuid.UUID,
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*,
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volume: int,
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chapter_no: int,
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beats: list[str],
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foreshadow_windows: list[dict[str, Any]] | None = None,
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) -> None:
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self.rows[(project_id, chapter_no)] = OutlineView(
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volume=volume,
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chapter_no=chapter_no,
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beats={"beats": list(beats)},
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foreshadow_windows=[dict(w) for w in (foreshadow_windows or [])],
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)
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async def get(self, project_id: uuid.UUID, chapter_no: int) -> OutlineView | None:
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return self.rows.get((project_id, chapter_no))
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async def list_for_project(self, project_id: uuid.UUID) -> list[OutlineView]:
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views = [v for (p, _), v in self.rows.items() if p == project_id]
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return sorted(views, key=lambda v: v.chapter_no)
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class FakeSessionFactory:
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"""到期扫描的独立 session 工厂替身：`()` → async-CM 产 `FakeSession`。
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记录开了几次 session + 各次 commit，供「扫描自建 session 并提交」断言。
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"""
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def __init__(self) -> None:
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self.sessions: list[FakeSession] = []
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def __call__(self) -> Any:
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session = FakeSession()
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self.sessions.append(session)
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@asynccontextmanager
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async def _cm() -> AsyncIterator[FakeSession]:
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yield session
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return _cm()
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class FakeStyleWriteRepo:
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"""实现 `StyleFingerprintWriteRepo` Protocol（内存版本化 append + 最新读取）。
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`append` 模拟 version=当前 max+1（首次 1）；`latest` 取最大 version 行。
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供 `GET /style` 读侧 + 学文风 work（mode=update → 第二次 append version+1）断言。
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"""
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def __init__(self) -> None:
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# version -> (dimensions, evidence)
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self.rows: dict[int, tuple[dict[str, Any], dict[str, Any]]] = {}
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self.append_calls = 0
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async def append(
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self,
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project_id: uuid.UUID,
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*,
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dimensions_json: dict[str, Any],
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evidence_json: dict[str, Any],
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) -> int:
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self.append_calls += 1
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next_version = (max(self.rows) if self.rows else 0) + 1
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self.rows[next_version] = (dict(dimensions_json), dict(evidence_json))
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return next_version
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async def latest(self, project_id: uuid.UUID) -> StyleFingerprintView | None:
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if not self.rows:
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return None
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version = max(self.rows)
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dimensions, evidence = self.rows[version]
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return StyleFingerprintView(dimensions=dimensions, evidence=evidence, version=version)
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class FakeJobRepo:
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"""实现 `JobRepo` Protocol（内存）：create/get/状态流转，供 `POST /style` 断言。"""
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def __init__(self) -> None:
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self.rows: dict[uuid.UUID, JobView] = {}
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async def create(self, project_id: uuid.UUID | None, kind: str) -> JobView:
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view = JobView(
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id=uuid.uuid4(),
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project_id=project_id,
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kind=kind,
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status=STATUS_QUEUED,
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progress=0,
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)
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self.rows[view.id] = view
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return view
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async def set_running(self, job_id: uuid.UUID) -> JobView:
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view = self.rows[job_id].model_copy(update={"status": STATUS_RUNNING})
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self.rows[job_id] = view
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return view
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async def set_progress(self, job_id: uuid.UUID, pct: int) -> JobView:
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view = self.rows[job_id].model_copy(update={"progress": max(0, min(100, pct))})
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self.rows[job_id] = view
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return view
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async def complete(self, job_id: uuid.UUID, result: dict[str, Any]) -> JobView:
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view = self.rows[job_id].model_copy(
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update={"status": STATUS_DONE, "progress": PROGRESS_COMPLETE, "result": dict(result)}
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)
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self.rows[job_id] = view
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return view
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async def set_awaiting(self, job_id: uuid.UUID, result: dict[str, Any]) -> JobView:
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view = self.rows[job_id].model_copy(
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update={"status": STATUS_AWAITING, "result": dict(result)}
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)
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self.rows[job_id] = view
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return view
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async def claim_awaiting_to_running(self, job_id: uuid.UUID) -> JobView | None:
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"""原子抢占 awaiting→running（内存替身：仅当现态 awaiting 才抢到，否则 None）。"""
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current = self.rows.get(job_id)
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if current is None or current.status != STATUS_AWAITING:
|
||
return None
|
||
view = current.model_copy(update={"status": STATUS_RUNNING})
|
||
self.rows[job_id] = view
|
||
return view
|
||
|
||
async def fail(self, job_id: uuid.UUID, error: str) -> JobView:
|
||
view = self.rows[job_id].model_copy(update={"status": STATUS_FAILED, "error": error})
|
||
self.rows[job_id] = view
|
||
return view
|
||
|
||
async def get(self, job_id: uuid.UUID) -> JobView | None:
|
||
return self.rows.get(job_id)
|
||
|
||
async def reap_zombies(self) -> int:
|
||
return 0
|
||
|
||
|
||
class FakeReviewGateway:
|
||
"""实现审稿/digest 节点最小依赖（`run`）：吐固定结构化 `parsed`，绝不联网。"""
|
||
|
||
def __init__(
|
||
self,
|
||
parsed: BaseModel | None = None,
|
||
error: Exception | None = None,
|
||
*,
|
||
text: str | None = None,
|
||
) -> None:
|
||
self._parsed = parsed
|
||
self._error = error
|
||
# `text` 覆盖纯文本产出（refiner output_schema=None → 端点消费 resp.text）。
|
||
self._text = text
|
||
self.requests: list[LlmRequest] = []
|
||
|
||
async def run(self, req: LlmRequest) -> LlmResponse:
|
||
self.requests.append(req)
|
||
if self._error is not None:
|
||
raise self._error
|
||
if self._text is not None:
|
||
out_text = self._text
|
||
elif self._parsed is not None:
|
||
out_text = self._parsed.model_dump_json()
|
||
else:
|
||
out_text = "{}"
|
||
return LlmResponse(
|
||
text=out_text,
|
||
parsed=self._parsed,
|
||
usage=Usage(
|
||
provider="fake",
|
||
model="fake",
|
||
input_tokens=1,
|
||
output_tokens=1,
|
||
cost_minor=0,
|
||
currency="USD",
|
||
),
|
||
served_by=ServedBy(provider="fake", model="fake"),
|
||
)
|
||
|
||
|
||
class FakeWriterGateway:
|
||
"""实现 write 节点最小依赖（`stream`）：吐固定 `Delta` 序列，绝不联网。
|
||
|
||
可注入 `error` 以验证 SSE 归一层把异常归一为 error 事件。
|
||
"""
|
||
|
||
def __init__(self, chunks: list[str] | None = None, error: Exception | None = None) -> None:
|
||
self._chunks = chunks if chunks is not None else ["第一段。", "第二段。"]
|
||
self._error = error
|
||
self.requests: list[LlmRequest] = []
|
||
|
||
async def stream(self, req: LlmRequest) -> AsyncIterator[Delta]:
|
||
self.requests.append(req)
|
||
for c in self._chunks:
|
||
yield Delta(text=c)
|
||
if self._error is not None:
|
||
raise self._error
|