Files
MoviePilot/tests/test_plugin_install_command.py
T

576 lines
18 KiB
Python

import asyncio
from contextlib import nullcontext
from unittest.mock import AsyncMock, Mock, patch
import pytest
from app.schemas.exception import (
DatabaseWorkerClosedError,
DatabaseWorkerOverloadedError,
PersistenceUnavailableError,
)
from app.application.plugin.install import PluginInstallCommand
from app.runtime.extensions.plugin.admission import PluginMutationAdmission
def _command(
*,
installed=None,
plugin_ids=None,
compatibility=None,
installer=None,
reporter=None,
writer=None,
reloader=None,
refresher=None,
checkpointer=None,
committer=None,
rollback=None,
mutation=None,
package_write_guard=None,
):
"""构造可观测每一步副作用的插件安装命令。"""
return PluginInstallCommand(
installed_plugins_reader=Mock(return_value=installed or []),
installed_plugins_writer=writer or AsyncMock(),
plugin_ids_provider=Mock(return_value=plugin_ids or []),
compatibility_checker=compatibility or AsyncMock(return_value=None),
package_installer=installer or AsyncMock(return_value=(True, "ok")),
package_checkpointer=checkpointer or AsyncMock(return_value=object()),
package_committer=committer or AsyncMock(),
package_rollback=rollback or AsyncMock(),
install_reporter=reporter or AsyncMock(),
plugin_reloader=reloader or AsyncMock(),
registration_refresher=refresher or AsyncMock(),
mutation=mutation or (lambda _operation: nullcontext()),
package_write_guard=package_write_guard
or (lambda _plugin_id: nullcontext()),
)
@pytest.mark.asyncio
async def test_install_failure_stops_before_report_persistence_and_reload():
"""包安装失败后恢复文件快照,且不得写配置、刷新或上报。"""
reporter = AsyncMock()
writer = AsyncMock()
reloader = AsyncMock()
rollback = AsyncMock()
command = _command(
installer=AsyncMock(return_value=(False, "download failed")),
reporter=reporter,
writer=writer,
reloader=reloader,
rollback=rollback,
)
result = await command.execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is False
assert result.package_installed is False
assert result.failure_stage == "package_install"
assert result.rollback.file_restored is True
assert result.rollback.dependency_supported is False
assert "插件文件已恢复" not in result.message
assert "Python依赖变更不支持自动回滚" not in result.message
rollback.assert_awaited_once()
reporter.assert_not_awaited()
writer.assert_not_awaited()
reloader.assert_not_awaited()
@pytest.mark.asyncio
async def test_sealed_install_rejects_before_package_guard_and_checkpoint() -> None:
"""安装事务在封口后不进入监控抑制,也不创建文件快照。"""
admission = PluginMutationAdmission()
admission.seal()
package_guard = Mock(return_value=nullcontext())
checkpointer = AsyncMock()
result = await _command(
mutation=admission.hold,
package_write_guard=package_guard,
checkpointer=checkpointer,
).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is False
assert result.failure_stage == "admission"
assert "停机阶段" in result.message
package_guard.assert_not_called()
checkpointer.assert_not_awaited()
@pytest.mark.asyncio
async def test_success_records_completed_install_stages_in_order():
"""成功安装在提交文件快照后再执行非关键远程上报。"""
calls = []
async def install(*_args):
calls.append("package")
return True, "installed"
checkpoint = object()
async def create_checkpoint(_plugin_id):
calls.append("checkpoint")
return checkpoint
async def commit(target):
assert target is checkpoint
calls.append("commit")
async def report(*_args):
calls.append("report")
async def write(_plugins):
calls.append("persist")
async def reload(_plugin_id):
calls.append("reload")
async def refresh(_plugin_id):
calls.append("registrations")
result = await _command(
installer=install,
reporter=report,
writer=write,
reloader=reload,
refresher=refresh,
checkpointer=create_checkpoint,
committer=commit,
).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is True
assert result.package_installed is True
assert result.installed_list_persisted is True
assert result.runtime_reloaded is True
assert result.registrations_refreshed is True
assert result.reported is True
assert calls == [
"checkpoint",
"package",
"persist",
"reload",
"registrations",
"commit",
"report",
]
@pytest.mark.asyncio
async def test_existing_plugin_checks_compatibility_without_reinstalling_package():
"""已存在插件只校验兼容性、上报和重载,不重复安装包。"""
installer = AsyncMock()
checkpointer = AsyncMock()
command = _command(
installed=["DemoPlugin"],
plugin_ids=["DemoPlugin"],
installer=installer,
checkpointer=checkpointer,
)
result = await command.execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is True
assert result.refreshed_only is True
assert result.package_installed is False
assert result.installed_list_persisted is False
installer.assert_not_awaited()
checkpointer.assert_not_awaited()
@pytest.mark.asyncio
async def test_cancelled_existing_plugin_refresh_restores_runtime_and_registrations():
"""已存在插件刷新被取消时,必须重新收敛运行态和注册。"""
registration_started = asyncio.Event()
calls: list[str] = []
async def reload_plugin(_plugin_id: str) -> None:
calls.append("reload")
async def refresh_registrations(_plugin_id: str) -> None:
calls.append("registrations")
if calls.count("registrations") == 1:
registration_started.set()
await asyncio.Event().wait()
with patch("app.application.plugin.install.logger.warning") as warning:
task = asyncio.create_task(
_command(
installed=["DemoPlugin"],
plugin_ids=["DemoPlugin"],
reloader=reload_plugin,
refresher=refresh_registrations,
).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
)
await registration_started.wait()
task.cancel()
with pytest.raises(asyncio.CancelledError):
await task
assert calls == ["reload", "registrations", "reload", "registrations"]
warning.assert_not_called()
@pytest.mark.asyncio
async def test_persistence_failure_restores_package_without_touching_runtime():
"""已安装列表保存失败时恢复文件,且运行态尚未开始切换。"""
checkpoint = object()
rollback = AsyncMock()
reloader = AsyncMock()
command = _command(
checkpointer=AsyncMock(return_value=checkpoint),
writer=AsyncMock(side_effect=RuntimeError("db unavailable")),
rollback=rollback,
reloader=reloader,
)
result = await command.execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is False
assert result.failure_stage == "installed_list_persistence"
assert result.rollback.file_restored is True
assert result.rollback.installed_list_attempted is True
assert result.rollback.runtime_attempted is False
rollback.assert_awaited_once_with(checkpoint)
reloader.assert_not_awaited()
@pytest.mark.asyncio
async def test_persistence_exception_after_write_restores_installed_list():
"""清单写入已提交后抛异常时,文件和清单必须一起恢复。"""
persisted: list[list[str]] = []
checkpoint = object()
rollback = AsyncMock()
async def write(plugin_ids: list[str]) -> None:
persisted.append(list(plugin_ids))
if len(persisted) == 1:
raise RuntimeError("write acknowledgement lost")
result = await _command(
checkpointer=AsyncMock(return_value=checkpoint),
writer=write,
rollback=rollback,
).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is False
assert result.failure_stage == "installed_list_persistence"
assert result.rollback.installed_list_attempted is True
assert result.rollback.installed_list_restored is True
assert persisted == [["DemoPlugin"], []]
rollback.assert_awaited_once_with(checkpoint)
@pytest.mark.asyncio
@pytest.mark.parametrize(
"error_type",
[DatabaseWorkerClosedError, DatabaseWorkerOverloadedError],
)
async def test_persistence_unavailable_rolls_back_and_reaches_api_boundary(
error_type: type[PersistenceUnavailableError],
) -> None:
"""持久化能力暂不可用时完成补偿并交由 API 映射为 503。"""
checkpoint = object()
rollback = AsyncMock()
command = _command(
checkpointer=AsyncMock(return_value=checkpoint),
writer=AsyncMock(side_effect=error_type("persistence unavailable")),
rollback=rollback,
)
with pytest.raises(error_type):
await command.execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
rollback.assert_awaited_once_with(checkpoint)
@pytest.mark.asyncio
async def test_reload_failure_restores_list_files_and_previous_runtime():
"""重载失败时依次恢复已安装列表、包文件和旧运行态。"""
calls = []
checkpoint = object()
reload_count = 0
async def write(plugin_ids):
calls.append(("persist", list(plugin_ids)))
async def rollback(target):
assert target is checkpoint
calls.append(("rollback", target))
async def reload(_plugin_id):
nonlocal reload_count
reload_count += 1
calls.append(("reload", reload_count))
if reload_count == 1:
raise RuntimeError("route registration failed")
async def refresh(_plugin_id):
calls.append(("registrations", reload_count))
result = await _command(
installed=[],
checkpointer=AsyncMock(return_value=checkpoint),
writer=write,
rollback=rollback,
reloader=reload,
refresher=refresh,
).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is False
assert result.failure_stage == "runtime_reload"
assert result.rollback.file_restored is True
assert result.rollback.installed_list_restored is True
assert result.rollback.runtime_restored is True
assert result.rollback.registrations_restored is True
assert calls == [
("persist", ["DemoPlugin"]),
("reload", 1),
("persist", []),
("rollback", checkpoint),
("reload", 2),
("registrations", 2),
]
@pytest.mark.asyncio
async def test_registration_failure_restores_instance_files_and_routes() -> None:
"""动态路由刷新失败时恢复列表、文件、旧实例并再次刷新旧注册。"""
calls = []
checkpoint = object()
refresh_count = 0
async def write(plugin_ids):
calls.append(("persist", list(plugin_ids)))
async def rollback(target):
assert target is checkpoint
calls.append(("rollback", target))
async def reload(_plugin_id):
calls.append("reload")
async def refresh(_plugin_id):
nonlocal refresh_count
refresh_count += 1
calls.append(("registrations", refresh_count))
if refresh_count == 1:
raise RuntimeError("route registration failed")
result = await _command(
checkpointer=AsyncMock(return_value=checkpoint),
writer=write,
rollback=rollback,
reloader=reload,
refresher=refresh,
).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is False
assert result.failure_stage == "registration_refresh"
assert result.rollback.file_restored is True
assert result.rollback.installed_list_restored is True
assert result.rollback.runtime_restored is True
assert result.rollback.registrations_restored is True
assert calls == [
("persist", ["DemoPlugin"]),
"reload",
("registrations", 1),
("persist", []),
("rollback", checkpoint),
"reload",
("registrations", 2),
]
@pytest.mark.asyncio
async def test_same_plugin_install_lifecycle_is_serialized() -> None:
"""同一插件的两个安装调用不得同时修改包、运行态和注册信息。"""
first_started = asyncio.Event()
release_first = asyncio.Event()
calls: list[str] = []
async def install(plugin_id, *_args):
calls.append(plugin_id)
if len(calls) == 1:
first_started.set()
await release_first.wait()
return True, "ok"
command = _command(installer=install)
first = asyncio.create_task(
command.execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
)
await first_started.wait()
second = asyncio.create_task(
command.execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
)
await asyncio.sleep(0.02)
assert calls == ["DemoPlugin"]
release_first.set()
results = await asyncio.gather(first, second)
assert all(result.success for result in results)
assert calls == ["DemoPlugin", "DemoPlugin"]
@pytest.mark.asyncio
async def test_cancelled_install_waits_for_rollback_before_releasing_lifecycle() -> None:
"""取消安装后先完成包快照补偿,再允许同一插件的新调用进入。"""
install_started = asyncio.Event()
release_install = asyncio.Event()
rollback = AsyncMock()
async def install(*_args):
install_started.set()
await release_install.wait()
return True, "ok"
command = _command(installer=install, rollback=rollback)
task = asyncio.create_task(
command.execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
)
await install_started.wait()
task.cancel()
with pytest.raises(asyncio.CancelledError):
await task
rollback.assert_awaited_once()
@pytest.mark.asyncio
async def test_cancelled_persisted_list_is_restored_conservatively() -> None:
"""清单写入已产生副作用但尚未返回时取消,也必须恢复原清单。"""
persisted: list[list[str]] = []
writer_started = asyncio.Event()
rollback = AsyncMock()
async def writer(plugin_ids: list[str]) -> None:
persisted.append(list(plugin_ids))
if len(persisted) == 1:
writer_started.set()
await asyncio.Event().wait()
task = asyncio.create_task(
_command(writer=writer, rollback=rollback).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
)
await writer_started.wait()
task.cancel()
with pytest.raises(asyncio.CancelledError):
await task
assert persisted == [["DemoPlugin"], []]
rollback.assert_awaited_once()
@pytest.mark.asyncio
async def test_cancelled_snapshot_cleanup_does_not_rollback_committed_plugin() -> None:
"""运行态提交后清理快照期间取消,不得删除已生效插件。"""
cleanup_started = asyncio.Event()
rollback = AsyncMock()
async def committer(_checkpoint) -> None:
cleanup_started.set()
await asyncio.Event().wait()
task = asyncio.create_task(
_command(committer=committer, rollback=rollback).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
)
await cleanup_started.wait()
task.cancel()
with pytest.raises(asyncio.CancelledError):
await task
rollback.assert_not_awaited()
@pytest.mark.asyncio
async def test_startup_lifecycle_lock_blocks_plugin_install_until_settlement() -> None:
"""启动同步持有全局资格时,插件安装不得穿过启动收口。"""
from app.application.plugin.lifecycle import plugin_lifecycle
entered = asyncio.Event()
release = asyncio.Event()
async def startup_scope():
async with plugin_lifecycle.hold_startup():
entered.set()
await release.wait()
startup = asyncio.create_task(startup_scope())
await entered.wait()
plugin_context = plugin_lifecycle.hold("DemoPlugin")
plugin_scope = asyncio.create_task(plugin_context.__aenter__())
await asyncio.sleep(0.02)
assert plugin_scope.done() is False
release.set()
await plugin_scope
await plugin_context.__aexit__(None, None, None)
await startup
@pytest.mark.asyncio
async def test_report_failure_does_not_rollback_completed_local_install():
"""统计上报失败属于非关键副作用,不得撤销已成功的本地安装。"""
rollback = AsyncMock()
result = await _command(
reporter=AsyncMock(side_effect=RuntimeError("server unavailable")),
rollback=rollback,
).execute(
plugin_id="DemoPlugin",
repo_url="https://github.com/demo/plugins",
)
assert result.success is True
assert result.runtime_reloaded is True
assert result.reported is False
assert result.report_error == "server unavailable"
assert "不影响本地安装" in result.message
rollback.assert_not_awaited()