Files
MoviePilot/tests/test_db_transferpending_queries.py
T

412 lines
13 KiB
Python

"""
待整理登记表的查询行为。
这张表是「挂载挂死后重启不漏件」的唯一依据:登记去重、回放顺序、终态注销三件事
任何一件出偏差,都直接表现为文件被漏整理或被重复整理,而不是一个可见的报错。
因此这里对着真实数据库断言查回的内容,而不是断言调用了什么。
"""
import inspect
import pytest
from sqlalchemy import create_engine, select
from sqlalchemy.orm import sessionmaker
from app.application.transfer.workflow import TransferPlanningInput
from app.db import base as db_base
from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
from app.db.models.transferexecutionstep import TransferExecutionStep
from app.db.models.transferhistory import TransferHistory
from app.db.models.transferpending import TransferPending
from app.db.oper.transferpending import TransferPendingOper
@pytest.fixture(autouse=True)
def _track(db):
"""把待整理表纳入用例级回收。"""
db.watermark(TransferPending)
db.watermark(TransferExecutionStep)
def _leased_pending(
*,
task_id: str,
execution_state: str,
admission_state: str = "accepted",
) -> TransferPending:
"""构造持有有效租约且其余执行证据为空的 pending。"""
return TransferPending(
task_id=task_id,
storage="local",
src_path=f"/mnt/{task_id}.mkv",
state=admission_state,
created_at="2026-08-27 10:00:00",
updated_at="2026-08-27 10:00:00",
input_version=1,
planning_input={"schema_version": 1},
input_fingerprint="input",
lease_owner="worker",
lease_token=f"lease-{task_id}",
lease_expires_at="2099-01-01 00:00:00.000000",
heartbeat_at="2026-08-27 10:00:00.000000",
attempt_count=1,
execution_state=execution_state,
retry_generation=0,
retry_count=0,
settlement_revision=0,
)
def _planning_input(path: str) -> TransferPlanningInput:
"""构造准入仓储要求的真实版本化规划输入。"""
return TransferPlanningInput(
source_fileitem={
"storage": "local",
"path": path,
"type": "file",
"name": path.rsplit("/", 1)[-1],
},
meta=None,
mediainfo=None,
)
def _planning_fields(path: str) -> dict[str, object]:
"""返回 direct model/Oper 准入所需的显式版本化字段。"""
planning_input = _planning_input(path)
return {
"input_version": planning_input.schema_version,
"planning_input": planning_input.to_payload(),
"input_fingerprint": planning_input.fingerprint,
}
def test_stage_admit_is_idempotent_and_keeps_stable_task_id(db):
"""显式准入重复执行时必须复用首个稳定任务标识。"""
first = TransferPending.stage_admit(
db.session,
task_id="task-first",
storage="local",
src_path="/mnt/durable.mkv",
state="accepted",
now_time="2026-08-27 10:00:00",
**_planning_fields("/mnt/durable.mkv"),
)
second = TransferPending.stage_admit(
db.session,
task_id="task-second",
storage="local",
src_path="/mnt/durable.mkv",
state="accepted",
now_time="2026-08-27 11:00:00",
**_planning_fields("/mnt/durable.mkv"),
)
assert first is second
assert second.task_id == "task-first"
assert second.updated_at == "2026-08-27 10:00:00"
def test_unfenced_legacy_mutation_apis_are_absent() -> None:
"""持久整理表不得重新暴露绕过稳定任务身份和租约的旧写入口。"""
for owner in (TransferPending, TransferPendingOper):
for method_name in (
"register",
"discard",
"list_all",
"list_by_state",
"list_by_states",
"clear",
):
assert not hasattr(owner, method_name)
enqueue_failure_source = inspect.getsource(
TransferPending.record_enqueue_failure
)
assert "cls.lease_token.is_(None)" in enqueue_failure_source
claimable_source = inspect.getsource(
TransferPending.list_claimable_candidates
)
assert "after_cursor" in claimable_source
assert ".not_in(" not in claimable_source
def test_state_queries_and_failure_record_share_stable_identity(db):
"""状态查询与失败留痕应共享同一稳定身份。"""
TransferPending.stage_admit(
db.session,
task_id="task-accepted",
storage="local",
src_path="/mnt/accepted.mkv",
state="accepted",
now_time="2026-08-27 10:00:00",
**_planning_fields("/mnt/accepted.mkv"),
)
other_fields = _planning_fields("/mnt/other.mkv")
db.add(TransferPending(
task_id="task-other",
storage="local",
src_path="/mnt/other.mkv",
state="other",
created_at="2026-08-27 10:00:01",
updated_at="2026-08-27 10:00:01",
**other_fields,
))
db.session.flush()
accepted = TransferPending.get_by_task_id(
db.session,
task_id="task-accepted",
)
assert accepted.state == "accepted"
assert TransferPending.record_enqueue_failure(
db.session,
task_id="task-accepted",
error="queue full",
now_time="2026-08-27 10:01:00",
) == 1
db.session.expire_all()
failed = TransferPending.get_by_identity(
db.session,
storage="local",
src_path="/mnt/accepted.mkv",
)
assert failed.last_error == "queue full"
assert failed.updated_at == "2026-08-27 10:01:00"
def test_oper_staging_reuses_explicit_write_session(db, monkeypatch):
"""Oper 的新暂存入口必须服从调用方 Session,不得隐式提交。"""
monkeypatch.setattr(
db_base,
"run_sync_transaction",
lambda _operation: (_ for _ in ()).throw(
AssertionError("不应创建额外同步事务")
),
)
oper = TransferPendingOper(db.session)
pending = oper.stage_admit(
task_id="task-explicit",
storage="local",
src_path="/mnt/explicit-stage.mkv",
state="accepted",
now_time="2026-08-27 10:00:00",
**_planning_fields("/mnt/explicit-stage.mkv"),
)
assert pending.task_id == "task-explicit"
assert oper.get_by_task_id(task_id="task-explicit").state == "accepted"
assert oper.stage_record_enqueue_failure(
task_id="task-explicit",
error="queue full",
now_time="2026-08-27 10:01:00",
) == 1
assert oper.get_by_task_id(task_id="task-explicit").last_error == "queue full"
def test_transactional_repository_commits_frozen_projections(tmp_path):
"""适配器应独立提交 UoW,并在会话关闭前冻结应用 DTO。"""
engine = create_engine(f"sqlite:///{tmp_path / 'transfer.db'}")
TransferHistory.__table__.create(engine)
TransferPending.__table__.create(engine)
TransferExecutionStep.__table__.create(engine)
factory = sessionmaker(bind=engine)
repository = TransactionalTransferAdmissionRepository(factory)
admitted = repository.admit(
storage="local",
src_path="/mnt/repository.mkv",
planning_input=_planning_input("/mnt/repository.mkv"),
)
repeated = repository.admit(
storage="local",
src_path="/mnt/repository.mkv",
planning_input=_planning_input("/mnt/repository.mkv"),
)
assert repeated == admitted
assert admitted.task_id
assert admitted.state == "accepted"
repository.record_enqueue_failure(
task_id=admitted.task_id,
error="queue full",
)
with factory() as session:
failed = session.execute(
select(TransferPending).where(
TransferPending.task_id == admitted.task_id
)
).scalar_one()
assert failed.last_error == "queue full"
claimed = repository.claim_task(
task_id=admitted.task_id,
owner_id="repository-test-worker",
lease_seconds=60,
)
assert claimed is not None
assert repository.abandon_unstarted(
task_id=admitted.task_id,
lease_token=claimed.lease_token,
) == 1
with factory() as session:
assert session.execute(
select(TransferPending).where(
TransferPending.task_id == admitted.task_id
)
).scalar_one_or_none() is None
engine.dispose()
@pytest.mark.parametrize(
("execution_state", "expected_deleted"),
[
("not_started", 1),
("running", 0),
("retry_wait", 0),
("settling", 0),
("failed", 0),
("manual_review", 0),
],
)
def test_abandon_unstarted_allows_only_pristine_execution_state(
db,
execution_state,
expected_deleted,
) -> None:
"""缺失源注销必须拒绝所有已开始、待重试、结算和人工状态。"""
task_id = f"abandon-{execution_state}"
db.add(_leased_pending(task_id=task_id, execution_state=execution_state))
db.session.flush()
deleted = TransferPending.abandon_unstarted(
db.session,
task_id=task_id,
lease_token=f"lease-{task_id}",
now_time="2026-08-27 10:01:00.000000",
)
db.session.flush()
assert deleted == expected_deleted
remaining = db.session.execute(
select(TransferPending).where(TransferPending.task_id == task_id)
).scalar_one_or_none()
assert (remaining is None) is bool(expected_deleted)
@pytest.mark.parametrize("admission_state", ["planned", "provider_pending"])
def test_abandon_unstarted_rejects_nonaccepted_admission_state(
db,
admission_state,
) -> None:
"""已进入 provider 或计划态的任务即使无步骤也不得按缺失源删除。"""
task_id = f"abandon-{admission_state}"
db.add(_leased_pending(
task_id=task_id,
execution_state="not_started",
admission_state=admission_state,
))
deleted = TransferPending.abandon_unstarted(
db.session,
task_id=task_id,
lease_token=f"lease-{task_id}",
now_time="2026-08-27 10:01:00.000000",
)
assert deleted == 0
def test_abandon_unstarted_rejects_task_with_any_step_evidence(db) -> None:
"""即使聚合状态尚未推进,已落库步骤也必须阻止删除 pending。"""
task_id = "abandon-with-step"
db.add(_leased_pending(task_id=task_id, execution_state="not_started"))
db.add(TransferExecutionStep(
task_id=task_id,
operation_id="operation-with-step",
checkpoint_fingerprint="plan",
ordinal=0,
phase="transfer",
kind="move",
state="prepared",
attempt_count=0,
intent_version=1,
intent_payload={"source": "/mnt/source.mkv"},
prepared_at="2026-08-27 10:00:00",
updated_at="2026-08-27 10:00:00",
))
db.session.flush()
deleted = TransferPending.abandon_unstarted(
db.session,
task_id=task_id,
lease_token=f"lease-{task_id}",
now_time="2026-08-27 10:01:00.000000",
)
assert deleted == 0
assert db.session.execute(
select(TransferPending).where(TransferPending.task_id == task_id)
).scalar_one_or_none() is not None
def test_abandon_unstarted_rejects_task_with_terminal_history_evidence(db) -> None:
"""已有任务关联历史时不得删除 pending,避免掩盖未闭环结算。"""
task_id = "abandon-with-history"
db.add(_leased_pending(task_id=task_id, execution_state="not_started"))
db.add(TransferHistory(
transfer_task_id=task_id,
transfer_settlement_revision=1,
src="/mnt/abandon-with-history.mkv",
src_storage="local",
status=False,
))
deleted = TransferPending.abandon_unstarted(
db.session,
task_id=task_id,
lease_token=f"lease-{task_id}",
now_time="2026-08-27 10:01:00.000000",
)
assert deleted == 0
def test_transactional_repository_rolls_back_failed_write(monkeypatch):
"""适配器写入异常时必须回滚自身 UoW 并传播原异常。"""
class SessionContext:
"""为回滚断言提供最小 Session 上下文。"""
def __init__(self):
"""初始化提交与回滚计数。"""
self.commits = 0
self.rollbacks = 0
def __enter__(self):
"""返回当前伪会话。"""
return self
def __exit__(self, _exc_type, _exc_value, _traceback):
"""不吞掉被测异常。"""
return False
def commit(self):
"""记录提交调用。"""
self.commits += 1
def rollback(self):
"""记录回滚调用。"""
self.rollbacks += 1
session = SessionContext()
repository = TransactionalTransferAdmissionRepository(lambda: session)
monkeypatch.setattr(
TransferPendingOper,
"stage_record_enqueue_failure",
lambda self, **_kwargs: (_ for _ in ()).throw(ValueError("write failed")),
)
with pytest.raises(ValueError, match="write failed"):
repository.record_enqueue_failure(task_id="task", error="failure")
assert session.rollbacks == 1
assert session.commits == 0