Files
MoviePilot/tests/test_history_mutation_command.py
T

124 lines
4.3 KiB
Python

from types import SimpleNamespace
from unittest.mock import Mock
import pytest
from app.application.history import (
DownloadHistoryMutationCommand,
TransferHistoryMutationCommand,
)
def _transfer_command(*, history=None, delete_result=True, commit_error=None):
"""构造可观察整理历史事务和外部副作用的命令。"""
repository = Mock()
repository.get.return_value = history
download_repository = Mock()
unit_of_work = Mock()
unit_of_work.commit.side_effect = commit_error
dependencies = {
"repository": repository,
"download_repository": download_repository,
"unit_of_work": unit_of_work,
"file_item_factory": lambda payload: SimpleNamespace(**payload),
"delete_media_file": Mock(return_value=delete_result),
"publish_download_file_deleted": Mock(),
"clear_failures": Mock(),
}
return TransferHistoryMutationCommand(**dependencies), dependencies
def _history():
"""构造包含源和目标文件信息的整理历史快照。"""
return SimpleNamespace(
id=7,
src="/downloads/demo.mkv",
src_storage="local",
download_hash="abc",
src_fileitem={"path": "/downloads/demo.mkv"},
dest_fileitem={"path": "/media/demo.mkv"},
)
def test_download_history_delete_rolls_back_commit_failure():
"""下载历史提交失败时必须回滚请求级事务。"""
repository = Mock()
unit_of_work = Mock()
unit_of_work.commit.side_effect = RuntimeError("commit failed")
command = DownloadHistoryMutationCommand(
repository=repository,
unit_of_work=unit_of_work,
)
with pytest.raises(RuntimeError, match="commit failed"):
command.delete(8)
repository.stage_delete_history.assert_called_once_with(8)
unit_of_work.rollback.assert_called_once_with()
def test_transfer_source_delete_failure_keeps_database_unchanged():
"""源文件删除失败时不得删除历史或更新下载文件状态。"""
command, dependencies = _transfer_command(
history=_history(),
delete_result=False,
)
result = command.delete(7, delete_source=True)
assert result.success is False
assert result.message == "/downloads/demo.mkv 删除失败"
dependencies["repository"].stage_delete.assert_not_called()
dependencies["download_repository"].stage_delete_file_by_fullpath.assert_not_called()
dependencies["unit_of_work"].commit.assert_not_called()
def test_transfer_delete_commits_before_event_and_retry_cleanup():
"""整理记录提交成功后才发送文件删除事件并清理失败计数。"""
calls = []
command, dependencies = _transfer_command(history=_history())
dependencies["unit_of_work"].commit.side_effect = lambda: calls.append("commit")
dependencies["publish_download_file_deleted"].side_effect = (
lambda _payload: calls.append("event")
)
dependencies["clear_failures"].side_effect = lambda *_args: calls.append("clear")
result = command.delete(
7,
delete_source=True,
delete_destination=True,
)
assert result.success is True
dependencies["download_repository"].stage_delete_file_by_fullpath.assert_called_once_with(
"/downloads/demo.mkv"
)
dependencies["repository"].stage_delete.assert_called_once_with(7)
assert calls == ["commit", "event", "clear"]
def test_transfer_commit_failure_suppresses_event_and_retry_cleanup():
"""数据库提交失败时不得发布已删除事件或清除重试状态。"""
command, dependencies = _transfer_command(
history=_history(),
commit_error=RuntimeError("commit failed"),
)
with pytest.raises(RuntimeError, match="commit failed"):
command.delete(7, delete_source=True)
dependencies["unit_of_work"].rollback.assert_called_once_with()
dependencies["publish_download_file_deleted"].assert_not_called()
dependencies["clear_failures"].assert_not_called()
def test_transfer_truncate_uses_single_transaction():
"""清空整理历史只暂存一次并统一提交。"""
command, dependencies = _transfer_command()
result = command.truncate()
assert result.success is True
dependencies["repository"].stage_truncate.assert_called_once_with()
dependencies["unit_of_work"].commit.assert_called_once_with()