Files
LangBot/tests/unit_tests/pipeline/test_controller.py
T
Martin 5be3b03e77 完善 Core Runner 取消与群聊控制命令 (#2821)
* feat(core): add generic runner cancellation control

* fix(core): 完善 Runner 取消与群聊控制命令

* fix(core): 支持多并发会话及时停止任务
2026-10-31 21:52:25 +08:00

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from __future__ import annotations
import asyncio
from types import SimpleNamespace
from unittest.mock import AsyncMock, MagicMock, Mock, patch
import pytest
from langbot.pkg.api.http.context import ExecutionContext
from langbot.pkg.agent.runner.errors import RunnerNotFoundError
from langbot.pkg.pipeline.controller import Controller
from langbot.pkg.pipeline.pool import QueryPool
def make_app():
app = SimpleNamespace()
app.instance_config = SimpleNamespace(
data={'concurrency': {'pipeline': 10}, 'command': {'enable': True, 'prefix': ['!', '!']}}
)
app.logger = MagicMock()
app.pipeline_mgr = SimpleNamespace()
app.pipeline_mgr.get_pipeline_by_uuid = AsyncMock()
app.sess_mgr = SimpleNamespace()
app.sess_mgr.get_session = AsyncMock(return_value=SimpleNamespace())
app.agent_run_orchestrator = SimpleNamespace()
app.agent_run_orchestrator.try_claim_steering_from_query = AsyncMock()
app.agent_run_orchestrator.cancel_active_from_query = AsyncMock()
app.cmd_mgr = SimpleNamespace(resolve_privilege=AsyncMock(return_value=1))
return app
def make_pipeline():
return SimpleNamespace(
pipeline_entity=SimpleNamespace(config={'ai': {'runner': {'id': 'plugin:test/runner/default'}}}),
bound_plugins=['test/runner'],
bound_mcp_servers=[],
)
def make_query(query_id: int, pipeline_uuid: str):
context = ExecutionContext(
instance_uuid='instance-test',
workspace_uuid='workspace-test',
placement_generation=1,
pipeline_uuid=pipeline_uuid,
)
return SimpleNamespace(
query_id=query_id,
pipeline_uuid=pipeline_uuid,
variables={},
_execution_context=context,
)
@pytest.mark.asyncio
async def test_try_claim_steering_returns_false_when_runner_lookup_fails():
app = make_app()
app.pipeline_mgr.get_pipeline_by_uuid.return_value = make_pipeline()
app.agent_run_orchestrator.try_claim_steering_from_query.side_effect = RunnerNotFoundError(
'plugin:missing/runner/default'
)
controller = Controller(app)
query = make_query(1, 'pipeline-001')
claimed = await controller._try_claim_steering_before_session_slot(query)
assert claimed is False
app.logger.warning.assert_called_once()
@pytest.mark.asyncio
async def test_try_claim_steering_sets_pipeline_context_before_claiming():
app = make_app()
pipeline = make_pipeline()
app.pipeline_mgr.get_pipeline_by_uuid.return_value = pipeline
app.agent_run_orchestrator.try_claim_steering_from_query.return_value = True
controller = Controller(app)
query = make_query(2, 'pipeline-002')
claimed = await controller._try_claim_steering_before_session_slot(query)
assert claimed is True
assert query.pipeline_config is pipeline.pipeline_entity.config
assert query.variables['_pipeline_bound_plugins'] == ['test/runner']
app.agent_run_orchestrator.try_claim_steering_from_query.assert_awaited_once_with(query)
@pytest.mark.asyncio
async def test_busy_command_is_not_claimed_as_steering():
from langbot_plugin.api.entities.builtin.platform.message import MessageChain, Plain
app = make_app()
app.pipeline_mgr.get_pipeline_by_uuid.return_value = make_pipeline()
query = make_query(3, 'pipeline-003')
query.message_chain = MessageChain([Plain(text='!list')])
claimed = await Controller(app)._try_claim_steering_before_session_slot(query)
assert claimed is False
app.agent_run_orchestrator.try_claim_steering_from_query.assert_not_awaited()
@pytest.mark.asyncio
async def test_busy_stop_requests_active_run_cancellation():
from langbot_plugin.api.entities.builtin.platform.message import MessageChain, Plain
app = make_app()
app.pipeline_mgr.get_pipeline_by_uuid.return_value = make_pipeline()
app.agent_run_orchestrator.cancel_active_from_query.return_value = 'run-stop'
query = make_query(4, 'pipeline-004')
query.message_chain = MessageChain([Plain(text='!stop')])
claimed = await Controller(app)._try_claim_steering_before_session_slot(query)
assert claimed is False
app.agent_run_orchestrator.cancel_active_from_query.assert_awaited_once_with(
query,
allow_other_actors=False,
)
assert query.variables['_stop_command_run_id'] == 'run-stop'
app.agent_run_orchestrator.try_claim_steering_from_query.assert_not_awaited()
@pytest.mark.asyncio
@pytest.mark.parametrize('text,expected', [('ordinary chat', False), ('qa: hello', True)])
@pytest.mark.parametrize('claim_result', [True, False])
async def test_busy_group_steering_obeys_response_rules(sample_query, text, expected, claim_result):
from langbot_plugin.api.entities.builtin.provider.session import LauncherTypes, Session
from langbot_plugin.api.entities.builtin.platform.message import MessageChain, Plain
app = make_app()
app.sess_mgr.get_session.return_value = Session(
instance_uuid='test-instance',
workspace_uuid='test-workspace',
placement_generation=1,
launcher_type=LauncherTypes.GROUP,
launcher_id=sample_query.launcher_id,
)
pipeline = make_pipeline()
pipeline.pipeline_entity.config['trigger'] = {
'group-respond-rules': {'at': True, 'prefix': ['qa:'], 'regexp': [], 'random': 0}
}
app.pipeline_mgr.get_pipeline_by_uuid.return_value = pipeline
app.agent_run_orchestrator.try_claim_steering_from_query.return_value = claim_result
sample_query.launcher_type = LauncherTypes.GROUP
sample_query.message_chain = MessageChain([Plain(text=text)])
claimed = await Controller(app)._try_claim_steering_before_session_slot(sample_query)
assert claimed is (expected and claim_result), app.logger.warning.call_args
assert str(sample_query.message_chain) == text
if expected:
forwarded = app.agent_run_orchestrator.try_claim_steering_from_query.await_args.args[0]
assert str(forwarded.message_chain) == ' hello'
else:
app.agent_run_orchestrator.try_claim_steering_from_query.assert_not_awaited()
@pytest.mark.asyncio
async def test_busy_group_stop_bypasses_response_rule_gate(sample_query):
from langbot_plugin.api.entities.builtin.provider.session import LauncherTypes, Session
from langbot_plugin.api.entities.builtin.platform.message import MessageChain, Plain
app = make_app()
app.sess_mgr.get_session.return_value = Session(
instance_uuid='test-instance',
workspace_uuid='test-workspace',
placement_generation=1,
launcher_type=LauncherTypes.GROUP,
launcher_id=sample_query.launcher_id,
)
pipeline = make_pipeline()
pipeline.pipeline_entity.config['trigger'] = {
'group-respond-rules': {'at': True, 'prefix': [], 'regexp': [], 'random': 0}
}
app.pipeline_mgr.get_pipeline_by_uuid.return_value = pipeline
app.agent_run_orchestrator.cancel_active_from_query.return_value = 'run-group-stop'
sample_query.launcher_type = LauncherTypes.GROUP
sample_query.message_chain = MessageChain([Plain(text='!stop')])
claimed = await Controller(app)._try_claim_steering_before_session_slot(sample_query)
assert claimed is False
app.cmd_mgr.resolve_privilege.assert_awaited_once_with(sample_query)
app.agent_run_orchestrator.cancel_active_from_query.assert_awaited_once_with(
sample_query,
allow_other_actors=False,
)
assert sample_query.variables['_stop_command_run_id'] == 'run-group-stop'
app.agent_run_orchestrator.try_claim_steering_from_query.assert_not_awaited()
@pytest.mark.asyncio
async def test_busy_group_admin_can_stop_another_members_run(sample_query):
from langbot_plugin.api.entities.builtin.provider.session import LauncherTypes, Session
from langbot_plugin.api.entities.builtin.platform.message import MessageChain, Plain
app = make_app()
app.cmd_mgr.resolve_privilege.return_value = 2
app.sess_mgr.get_session.return_value = Session(
instance_uuid='test-instance',
workspace_uuid='test-workspace',
placement_generation=1,
launcher_type=LauncherTypes.GROUP,
launcher_id=sample_query.launcher_id,
)
app.pipeline_mgr.get_pipeline_by_uuid.return_value = make_pipeline()
app.agent_run_orchestrator.cancel_active_from_query.return_value = 'run-admin-stop'
sample_query.launcher_type = LauncherTypes.GROUP
sample_query.message_chain = MessageChain([Plain(text='!stop')])
claimed = await Controller(app)._try_claim_steering_before_session_slot(sample_query)
assert claimed is False
app.agent_run_orchestrator.cancel_active_from_query.assert_awaited_once_with(
sample_query,
allow_other_actors=True,
)
assert sample_query.variables['_stop_command_run_id'] == 'run-admin-stop'
@pytest.mark.asyncio
async def test_busy_group_command_is_recognized_after_trigger_prefix_is_removed(sample_query):
from langbot_plugin.api.entities.builtin.provider.session import LauncherTypes, Session
from langbot_plugin.api.entities.builtin.platform.message import MessageChain, Plain
app = make_app()
app.sess_mgr.get_session.return_value = Session(
instance_uuid='test-instance',
workspace_uuid='test-workspace',
placement_generation=1,
launcher_type=LauncherTypes.GROUP,
launcher_id=sample_query.launcher_id,
)
pipeline = make_pipeline()
pipeline.pipeline_entity.config['trigger'] = {
'group-respond-rules': {'at': False, 'prefix': ['qa:'], 'regexp': [], 'random': 0}
}
app.pipeline_mgr.get_pipeline_by_uuid.return_value = pipeline
sample_query.launcher_type = LauncherTypes.GROUP
sample_query.message_chain = MessageChain([Plain(text='qa: !list')])
claimed = await Controller(app)._try_claim_steering_before_session_slot(sample_query)
assert claimed is False
app.agent_run_orchestrator.try_claim_steering_from_query.assert_not_awaited()
@pytest.mark.asyncio
async def test_stop_is_handled_before_an_available_second_session_slot():
from langbot_plugin.api.entities.builtin.platform.message import MessageChain, Plain
app = make_app()
app.query_pool = QueryPool()
session = SimpleNamespace(_semaphore=asyncio.Semaphore(2))
app.sess_mgr.get_session = AsyncMock(return_value=session)
app.persistence_mgr = SimpleNamespace(mode=SimpleNamespace(value='oss'))
app.workspace_service = SimpleNamespace(
get_execution_binding=AsyncMock(
return_value=SimpleNamespace(
instance_uuid='instance-test',
workspace_uuid='workspace-test',
placement_generation=1,
)
)
)
runtime_pipeline = SimpleNamespace(run=AsyncMock())
app.pipeline_mgr.get_pipeline_by_uuid = AsyncMock(side_effect=[make_pipeline(), runtime_pipeline])
app.agent_run_orchestrator.cancel_active_from_query.return_value = 'run-already-active'
worker_tasks = []
task_created = asyncio.Event()
def create_task(coro, **_kwargs):
task = asyncio.create_task(coro)
worker_tasks.append(task)
task_created.set()
return task
app.task_mgr = SimpleNamespace(create_task=create_task)
query = Mock()
query.query_id = 5
query.bot_uuid = 'bot-test'
query.pipeline_uuid = 'pipeline-stop'
query.message_chain = MessageChain([Plain(text='!stop')])
query.variables = {}
query._execution_context = ExecutionContext(
instance_uuid='instance-test',
workspace_uuid='workspace-test',
placement_generation=1,
pipeline_uuid='pipeline-stop',
)
with patch('langbot.pkg.pipeline.pool.pipeline_query.Query', return_value=query):
await app.query_pool.add_query(
bot_uuid='bot-test',
launcher_type=Mock(),
launcher_id='launcher-test',
sender_id='sender-test',
message_event=Mock(),
message_chain=query.message_chain,
adapter=Mock(),
pipeline_uuid='pipeline-stop',
execution_context=query._execution_context,
)
controller = Controller(app)
consumer_task = asyncio.create_task(controller.consumer())
try:
await asyncio.wait_for(task_created.wait(), timeout=1)
await asyncio.wait_for(worker_tasks[0], timeout=1)
finally:
consumer_task.cancel()
with pytest.raises(asyncio.CancelledError):
await consumer_task
app.agent_run_orchestrator.cancel_active_from_query.assert_awaited_once_with(
query,
allow_other_actors=False,
)
assert query.variables['_stop_command_run_id'] == 'run-already-active'
runtime_pipeline.run.assert_awaited_once_with(query)
assert session._semaphore._value == 2
@pytest.mark.asyncio
async def test_consumer_transfers_query_from_queue_to_running_task():
app = make_app()
app.query_pool = QueryPool()
session = SimpleNamespace(_semaphore=asyncio.Semaphore(1))
app.sess_mgr.get_session = AsyncMock(return_value=session)
app.persistence_mgr = SimpleNamespace(mode=SimpleNamespace(value='oss'))
app.workspace_service = SimpleNamespace(
get_execution_binding=AsyncMock(
return_value=SimpleNamespace(
instance_uuid='instance-test',
workspace_uuid='workspace-test',
placement_generation=1,
)
)
)
runtime_pipeline = SimpleNamespace(run=AsyncMock())
app.pipeline_mgr.get_pipeline_by_uuid = AsyncMock(return_value=runtime_pipeline)
worker_tasks = []
task_created = asyncio.Event()
def create_task(coro, **_kwargs):
task = asyncio.create_task(coro)
worker_tasks.append(task)
task_created.set()
return task
app.task_mgr = SimpleNamespace(create_task=create_task)
query = Mock()
query.query_id = 0
query.bot_uuid = 'bot-test'
query.pipeline_uuid = 'pipeline-test'
context = ExecutionContext(
instance_uuid='instance-test',
workspace_uuid='workspace-test',
placement_generation=1,
)
with patch('langbot.pkg.pipeline.pool.pipeline_query.Query', return_value=query):
query = await app.query_pool.add_query(
bot_uuid='bot-test',
launcher_type=Mock(),
launcher_id='launcher-test',
sender_id='sender-test',
message_event=Mock(),
message_chain=Mock(),
adapter=Mock(),
pipeline_uuid='pipeline-test',
execution_context=context,
)
controller = Controller(app)
consumer_task = asyncio.create_task(controller.consumer())
try:
await asyncio.wait_for(task_created.wait(), timeout=1)
await asyncio.wait_for(worker_tasks[0], timeout=1)
finally:
consumer_task.cancel()
with pytest.raises(asyncio.CancelledError):
await consumer_task
runtime_pipeline.run.assert_awaited_once_with(query)
assert app.query_pool.queries == []
assert app.query_pool.cached_queries == {}
assert app.query_pool.active_query_count_by_workspace == {}
assert session._semaphore._value == 1
assert controller.semaphore._value == 10
app.logger.error.assert_not_called()