mirror of
https://github.com/langbot-app/LangBot.git
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105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
from __future__ import annotations
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import datetime as dt
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from types import SimpleNamespace
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from unittest.mock import Mock
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import pytest
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import langbot_plugin.api.entities.builtin.pipeline.query as pipeline_query
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from langbot.pkg.box.backend import BaseSandboxBackend
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from langbot.pkg.box.errors import BoxBackendUnavailableError
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from langbot.pkg.box.models import BoxExecutionResult, BoxExecutionStatus, BoxNetworkMode, BoxSessionInfo, BoxSpec
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from langbot.pkg.box.runtime import BoxRuntime
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from langbot.pkg.box.service import BoxService
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class FakeBackend(BaseSandboxBackend):
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def __init__(self, logger: Mock, available: bool = True):
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super().__init__(logger)
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self.name = 'fake'
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self.available = available
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self.start_calls: list[str] = []
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self.exec_calls: list[tuple[str, str]] = []
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self.stop_calls: list[str] = []
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async def is_available(self) -> bool:
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return self.available
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async def start_session(self, spec: BoxSpec) -> BoxSessionInfo:
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self.start_calls.append(spec.session_id)
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now = dt.datetime.now(dt.UTC)
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return BoxSessionInfo(
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session_id=spec.session_id,
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backend_name=self.name,
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backend_session_id=f'backend-{spec.session_id}',
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image=spec.image,
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network=spec.network,
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created_at=now,
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last_used_at=now,
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)
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async def exec(self, session: BoxSessionInfo, spec: BoxSpec) -> BoxExecutionResult:
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self.exec_calls.append((session.session_id, spec.cmd))
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return BoxExecutionResult(
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session_id=session.session_id,
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backend_name=self.name,
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status=BoxExecutionStatus.COMPLETED,
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exit_code=0,
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stdout=f'executed: {spec.cmd}',
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stderr='',
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duration_ms=12,
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)
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async def stop_session(self, session: BoxSessionInfo):
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self.stop_calls.append(session.session_id)
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def make_query(query_id: int = 42) -> pipeline_query.Query:
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return pipeline_query.Query.model_construct(query_id=query_id)
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@pytest.mark.asyncio
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async def test_box_runtime_reuses_request_session():
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logger = Mock()
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backend = FakeBackend(logger)
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runtime = BoxRuntime(logger=logger, backends=[backend], session_ttl_sec=300)
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await runtime.initialize()
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first = BoxSpec.model_validate({'cmd': 'echo first', 'session_id': 'req-1'})
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second = BoxSpec.model_validate({'cmd': 'echo second', 'session_id': 'req-1'})
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await runtime.execute(first)
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await runtime.execute(second)
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assert backend.start_calls == ['req-1']
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assert backend.exec_calls == [('req-1', 'echo first'), ('req-1', 'echo second')]
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@pytest.mark.asyncio
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async def test_box_service_defaults_session_id_from_query():
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logger = Mock()
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backend = FakeBackend(logger)
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runtime = BoxRuntime(logger=logger, backends=[backend], session_ttl_sec=300)
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service = BoxService(SimpleNamespace(logger=logger), runtime=runtime)
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await service.initialize()
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result = await service.execute_sandbox_tool({'cmd': 'pwd', 'network': BoxNetworkMode.OFF.value}, make_query(7))
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assert result['session_id'] == '7'
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assert result['ok'] is True
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assert backend.start_calls == ['7']
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@pytest.mark.asyncio
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async def test_box_service_fails_closed_when_backend_unavailable():
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logger = Mock()
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backend = FakeBackend(logger, available=False)
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runtime = BoxRuntime(logger=logger, backends=[backend], session_ttl_sec=300)
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service = BoxService(SimpleNamespace(logger=logger), runtime=runtime)
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await service.initialize()
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with pytest.raises(BoxBackendUnavailableError):
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await service.execute_sandbox_tool({'cmd': 'echo hello'}, make_query(9))
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