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https://github.com/langbot-app/LangBot.git
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feat(agent-runner): enforce 4.x host-owned execution
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huanghuoguoguo
@@ -9,34 +9,60 @@ Run: uv run pytest tests/integration/persistence/test_migrations.py -q
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from __future__ import annotations
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import pytest
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from sqlalchemy.ext.asyncio import create_async_engine
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import json
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from langbot.pkg.entity.persistence.base import Base
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from langbot.pkg.persistence.alembic_runner import (
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run_alembic_upgrade,
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run_alembic_stamp,
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get_alembic_current,
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_ALEMBIC_DIR,
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)
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import pytest
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import sqlalchemy as sa
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from alembic.config import Config
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from alembic.script import ScriptDirectory
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from sqlalchemy.ext.asyncio import create_async_engine
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from langbot.pkg.entity.persistence import (
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agent as agent_models,
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agent_run as agent_run_models,
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agent_runner_state as agent_runner_state_models,
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bot as bot_models,
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metadata as metadata_models,
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monitoring as monitoring_models,
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)
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from langbot.pkg.entity.persistence.base import Base
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from langbot.pkg.persistence.alembic_runner import (
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_ALEMBIC_DIR,
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get_alembic_current,
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run_alembic_stamp,
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run_alembic_upgrade,
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)
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def _get_script_directory() -> ScriptDirectory:
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"""Load the repository's Alembic revision graph."""
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cfg = Config()
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cfg.set_main_option('script_location', _ALEMBIC_DIR)
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return ScriptDirectory.from_config(cfg)
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def _get_script_head() -> str:
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"""Resolve the current Alembic head revision from the script directory.
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Avoids hardcoding a revision number in assertions so adding a new
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migration doesn't require editing the migration tests.
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"""
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cfg = Config()
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cfg.set_main_option('script_location', _ALEMBIC_DIR)
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return ScriptDirectory.from_config(cfg).get_current_head()
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"""Resolve the only Alembic head without hardcoding a revision."""
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return _get_script_directory().get_current_head()
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pytestmark = pytest.mark.integration
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class TestAlembicRevisionGraph:
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"""Static release gates for the Alembic graph."""
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def test_revision_ids_fit_alembic_version_column_and_graph_has_one_head(self):
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script = _get_script_directory()
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revisions = list(script.walk_revisions())
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assert script.get_bases() == ['0001_baseline']
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assert script.get_heads() == ['0012_monitoring_tool_calls']
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assert all(len(item.revision) <= 32 for item in revisions), {
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item.revision: len(item.revision) for item in revisions if len(item.revision) > 32
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}
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@pytest.fixture
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def sqlite_db_url(tmp_path):
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"""Create SQLite URL with temporary database file."""
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@@ -149,6 +175,174 @@ class TestSQLiteMigrationUpgrade:
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rev2 = await get_alembic_current(sqlite_engine)
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assert rev2 == rev1, f'Expected {rev1}, got {rev2}'
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@pytest.mark.asyncio
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async def test_upgrade_from_mcp_resource_branch_creates_agent_and_monitoring_schema(self, sqlite_engine):
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"""The MCP branch can converge into the Agent branch and the current head."""
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await run_alembic_stamp(sqlite_engine, '0008_mcp_resource_prefs')
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await run_alembic_upgrade(sqlite_engine, 'head')
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def inspect_schema(sync_conn):
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inspector = sa.inspect(sync_conn)
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tables = set(inspector.get_table_names())
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monitoring_indexes = {
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index['name'] for index in inspector.get_indexes(monitoring_models.MonitoringToolCall.__tablename__)
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}
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return tables, monitoring_indexes
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async with sqlite_engine.connect() as conn:
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tables, monitoring_indexes = await conn.run_sync(inspect_schema)
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expected_agent_tables = {
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agent_models.Agent.__tablename__,
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agent_run_models.AgentRun.__tablename__,
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agent_run_models.AgentRunEvent.__tablename__,
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agent_run_models.AgentRuntime.__tablename__,
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agent_runner_state_models.AgentRunnerState.__tablename__,
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}
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expected_monitoring_indexes = {index.name for index in monitoring_models.MonitoringToolCall.__table__.indexes}
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assert expected_agent_tables <= tables
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assert monitoring_models.MonitoringToolCall.__tablename__ in tables
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assert expected_monitoring_indexes <= monitoring_indexes
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assert await get_alembic_current(sqlite_engine) == _get_script_head()
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@pytest.mark.asyncio
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async def test_bot_admin_data_migrates_when_create_all_already_created_table(self, sqlite_engine):
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"""0007 must migrate config admins even when the ORM created its table first."""
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config = {
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'admins': ['group_admin-1', 'person_user_with_underscore', 'malformed'],
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'preserved': True,
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}
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async with sqlite_engine.begin() as conn:
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await conn.run_sync(bot_models.Bot.__table__.create)
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await conn.run_sync(bot_models.BotAdmin.__table__.create)
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await conn.run_sync(metadata_models.Metadata.__table__.create)
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await conn.execute(
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sa.insert(bot_models.Bot).values(
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uuid='bot-1',
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name='Bot',
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description='',
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adapter='test',
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adapter_config={},
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enable=True,
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)
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)
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await conn.execute(
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sa.insert(bot_models.BotAdmin).values(
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bot_uuid='bot-1',
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launcher_type='group',
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launcher_id='admin-1',
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)
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)
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await conn.execute(
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sa.insert(metadata_models.Metadata).values(
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key='instance_config',
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value=json.dumps(config),
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)
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)
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await run_alembic_stamp(sqlite_engine, '0006_normalize_mcp_remote_mode')
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await run_alembic_upgrade(sqlite_engine, '0007_add_bot_admins')
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async with sqlite_engine.connect() as conn:
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admin_rows = (
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await conn.execute(
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sa.select(
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bot_models.BotAdmin.launcher_type,
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bot_models.BotAdmin.launcher_id,
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).order_by(bot_models.BotAdmin.launcher_type, bot_models.BotAdmin.launcher_id)
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)
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).all()
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stored_config = (
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await conn.execute(
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sa.select(metadata_models.Metadata.value).where(metadata_models.Metadata.key == 'instance_config')
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)
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).scalar_one()
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assert admin_rows == [('group', 'admin-1'), ('person', 'user_with_underscore')]
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assert json.loads(stored_config) == {'preserved': True}
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@pytest.mark.asyncio
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async def test_pipeline_routing_rules_preserve_message_filters(self, sqlite_engine):
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"""Every legacy routing rule keeps its matching semantics in event bindings."""
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routing_rules = [
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{
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'type': 'launcher_type',
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'operator': 'eq',
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'value': 'group',
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'pipeline_uuid': 'pipeline-group',
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},
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{
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'type': 'launcher_id',
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'operator': 'regex',
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'value': '^room-',
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'pipeline_uuid': 'pipeline-room',
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},
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{
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'type': 'message_content',
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'operator': 'contains',
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'value': 'urgent',
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'pipeline_uuid': 'pipeline-content',
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},
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{
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'type': 'message_has_element',
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'operator': 'eq',
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'value': 'Image',
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'pipeline_uuid': 'pipeline-image',
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},
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{
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'type': 'message_has_element',
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'operator': 'neq',
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'value': 'Voice',
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'pipeline_uuid': 'pipeline-no-voice',
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},
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]
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async with sqlite_engine.begin() as conn:
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await conn.execute(
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sa.text(
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'CREATE TABLE bots ('
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'uuid VARCHAR(255) PRIMARY KEY, '
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'use_pipeline_uuid VARCHAR(255), '
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'pipeline_routing_rules JSON NOT NULL, '
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'event_bindings JSON NOT NULL'
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')'
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)
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)
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await conn.execute(
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sa.text(
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'INSERT INTO bots '
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'(uuid, use_pipeline_uuid, pipeline_routing_rules, event_bindings) '
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'VALUES (:uuid, :default_pipeline, :rules, :bindings)'
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),
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{
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'uuid': 'bot-routing',
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'default_pipeline': 'pipeline-default',
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'rules': json.dumps(routing_rules),
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'bindings': '[]',
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},
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)
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await run_alembic_stamp(sqlite_engine, '0008_agent_product_surface')
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await run_alembic_upgrade(sqlite_engine, '0009_migrate_event_bindings')
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async with sqlite_engine.connect() as conn:
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raw_bindings = (
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await conn.execute(sa.text("SELECT event_bindings FROM bots WHERE uuid = 'bot-routing'"))
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).scalar_one()
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bindings = json.loads(raw_bindings)
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filters_by_pipeline = {binding['target_uuid']: binding['filters'] for binding in bindings}
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assert filters_by_pipeline == {
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'pipeline-group': [{'field': 'chat_type', 'operator': 'eq', 'value': 'group'}],
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'pipeline-room': [{'field': 'chat_id', 'operator': 'regex', 'value': '^room-'}],
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'pipeline-content': [{'field': 'message_text', 'operator': 'contains', 'value': 'urgent'}],
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'pipeline-image': [{'field': 'message_element_types', 'operator': 'contains', 'value': 'Image'}],
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'pipeline-no-voice': [{'field': 'message_element_types', 'operator': 'not_contains', 'value': 'Voice'}],
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'pipeline-default': [],
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}
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class TestSQLiteMigrationFreshDatabase:
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"""Tests for fresh database workflow."""
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