332 lines
10 KiB
Python
332 lines
10 KiB
Python
import asyncio
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import json
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from datetime import UTC, datetime, timedelta
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from docker import DockerClient
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from fastapi import FastAPI
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from starlette.types import Message, Scope
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from adapter.config.model import (
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AppConfig,
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AppSectionConfig,
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DockerConfig,
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HttpConfig,
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LoggingConfig,
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MetricsConfig,
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OtelConfig,
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SandboxConfig,
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SecurityConfig,
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TracingConfig,
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)
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from adapter.di.container import AppContainer, AppRepositories, AppUsecases
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from adapter.http.fastapi import app as app_module
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from adapter.observability.noop import NoopMetrics, NoopTracer
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from adapter.observability.runtime import ObservabilityRuntime
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from domain.error import SandboxError, SandboxStartError
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from domain.sandbox import SandboxSession, SandboxStatus
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from repository.sandbox_session import InMemorySandboxSessionRepository
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from repository.user import InMemoryUserRepository
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from usecase.interface import Attrs
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from usecase.sandbox import CleanupExpiredSandboxes, CreateSandbox, CreateSandboxCommand
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from usecase.user import GetUser
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class FakeLogger:
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def __init__(self) -> None:
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self.messages: list[tuple[str, str, Attrs | None]] = []
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def debug(self, message: str, attrs: Attrs | None = None) -> None:
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self.messages.append(('debug', message, attrs))
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def info(self, message: str, attrs: Attrs | None = None) -> None:
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self.messages.append(('info', message, attrs))
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def warning(self, message: str, attrs: Attrs | None = None) -> None:
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self.messages.append(('warning', message, attrs))
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def error(self, message: str, attrs: Attrs | None = None) -> None:
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self.messages.append(('error', message, attrs))
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class FakeCreateSandboxUsecase(CreateSandbox):
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def __init__(
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self, session: SandboxSession | None = None, error: Exception | None = None
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) -> None:
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self._session = session
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self._error = error
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self.commands: list[CreateSandboxCommand] = []
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def execute(self, command: CreateSandboxCommand) -> SandboxSession:
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self.commands.append(command)
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if self._error is not None:
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raise self._error
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if self._session is None:
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raise AssertionError('missing session')
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return self._session
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class FakeCleanupExpiredSandboxes(CleanupExpiredSandboxes):
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def __init__(self) -> None:
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self.calls = 0
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def execute(self) -> list[SandboxSession]:
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self.calls += 1
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return []
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class FakeDockerClient(DockerClient):
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def __init__(self) -> None:
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self.close_calls = 0
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def close(self) -> None:
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self.close_calls += 1
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def build_config() -> AppConfig:
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return AppConfig(
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app=AppSectionConfig(name='master', env='test'),
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http=HttpConfig(host='127.0.0.1', port=8000),
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logging=LoggingConfig(
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level='INFO', output='stdout', format='json', file_path=None
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),
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metrics=MetricsConfig(enabled=False),
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tracing=TracingConfig(enabled=False),
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otel=OtelConfig(
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service_name='master',
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logs_endpoint='http://localhost:4318/v1/logs',
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metrics_endpoint='http://localhost:4318/v1/metrics',
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traces_endpoint='http://localhost:4318/v1/traces',
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metric_export_interval=1000,
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),
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docker=DockerConfig(base_url='unix:///var/run/docker.sock'),
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sandbox=SandboxConfig(
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image='sandbox:latest',
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ttl_seconds=300,
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cleanup_interval_seconds=60,
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chats_root='/tmp/chats',
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dependencies_host_path='/tmp/dependencies',
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lambda_tools_host_path='/tmp/lambda-tools',
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chat_mount_path='/workspace/chat',
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dependencies_mount_path='/workspace/dependencies',
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lambda_tools_mount_path='/workspace/lambda-tools',
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),
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security=SecurityConfig(
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token_header='Authorization',
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api_token='token',
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signing_key='signing-key',
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),
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)
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def build_container(
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config: AppConfig,
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create_sandbox_usecase: FakeCreateSandboxUsecase,
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cleanup_usecase: FakeCleanupExpiredSandboxes,
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logger: FakeLogger,
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docker_client: FakeDockerClient,
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) -> AppContainer:
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observability = ObservabilityRuntime(
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logger=logger,
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metrics=NoopMetrics(),
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tracer=NoopTracer(),
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)
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repositories = AppRepositories(
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user=InMemoryUserRepository(NoopTracer()),
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sandbox_session=InMemorySandboxSessionRepository(),
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)
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usecases = AppUsecases(
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get_user=GetUser(
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repository=repositories.user,
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logger=logger,
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tracer=NoopTracer(),
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),
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create_sandbox=create_sandbox_usecase,
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cleanup_expired_sandboxes=cleanup_usecase,
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)
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return AppContainer(
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config=config,
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observability=observability,
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repositories=repositories,
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usecases=usecases,
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_docker_client=docker_client,
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)
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async def post_json(
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app: FastAPI, path: str, payload: dict[str, str]
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) -> tuple[int, dict[str, object]]:
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body = json.dumps(payload).encode()
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messages: list[Message] = []
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request_sent = False
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async def receive() -> Message:
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nonlocal request_sent
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if request_sent:
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await asyncio.sleep(0)
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return {'type': 'http.disconnect'}
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request_sent = True
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return {
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'type': 'http.request',
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'body': body,
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'more_body': False,
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}
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async def send(message: Message) -> None:
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messages.append(message)
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scope: Scope = {
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'type': 'http',
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'asgi': {'version': '3.0'},
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'http_version': '1.1',
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'method': 'POST',
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'scheme': 'http',
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'path': path,
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'raw_path': path.encode(),
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'query_string': b'',
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'root_path': '',
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'headers': [
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(b'host', b'testserver'),
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(b'content-type', b'application/json'),
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(b'content-length', str(len(body)).encode()),
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],
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'client': ('testclient', 50000),
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'server': ('testserver', 80),
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'state': {},
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}
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await app(scope, receive, send)
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status = 500
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response_body = b''
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for message in messages:
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if message['type'] == 'http.response.start':
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status = int(message['status'])
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if message['type'] == 'http.response.body':
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response_body += bytes(message.get('body', b''))
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return status, json.loads(response_body.decode())
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async def exercise_create_request(
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app: FastAPI,
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payload: dict[str, str],
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) -> tuple[int, dict[str, object]]:
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await app.router.startup()
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try:
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status, response = await post_json(app, '/api/v1/create', payload)
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await asyncio.sleep(0)
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return status, response
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finally:
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await app.router.shutdown()
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def test_post_create_returns_session(monkeypatch) -> None:
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config = build_config()
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expires_at = datetime(2026, 4, 2, 12, 5, tzinfo=UTC)
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session = SandboxSession(
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session_id='session-123',
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chat_id='chat-123',
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container_id='container-123',
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status=SandboxStatus.RUNNING,
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created_at=expires_at - timedelta(minutes=5),
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expires_at=expires_at,
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)
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logger = FakeLogger()
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create_usecase = FakeCreateSandboxUsecase(session=session)
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cleanup_usecase = FakeCleanupExpiredSandboxes()
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docker_client = FakeDockerClient()
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container = build_container(
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config,
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create_usecase,
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cleanup_usecase,
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logger,
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docker_client,
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)
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monkeypatch.setattr(app_module, 'build_container', lambda **kwargs: container)
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monkeypatch.setattr(
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app_module.FastAPIInstrumentor, 'instrument_app', lambda *args, **kwargs: None
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)
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app = app_module.create_app(config=config)
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status_code, response = asyncio.run(
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exercise_create_request(app, {'chat_id': 'chat-123'})
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)
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assert status_code == 200
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assert response == {
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'session_id': 'session-123',
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'chat_id': 'chat-123',
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'container_id': 'container-123',
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'status': 'running',
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'expires_at': '2026-04-02T12:05:00Z',
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}
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assert len(create_usecase.commands) == 1
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assert create_usecase.commands[0].chat_id == 'chat-123'
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assert cleanup_usecase.calls >= 1
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assert any(
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message == 'http_request'
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and attrs is not None
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and attrs['http.path'] == '/api/v1/create'
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for _, message, attrs in logger.messages
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)
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assert docker_client.close_calls == 1
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def test_post_create_maps_start_errors_to_service_unavailable(monkeypatch) -> None:
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config = build_config()
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logger = FakeLogger()
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create_usecase = FakeCreateSandboxUsecase(error=SandboxStartError('chat-123'))
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cleanup_usecase = FakeCleanupExpiredSandboxes()
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docker_client = FakeDockerClient()
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container = build_container(
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config,
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create_usecase,
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cleanup_usecase,
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logger,
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docker_client,
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)
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monkeypatch.setattr(app_module, 'build_container', lambda **kwargs: container)
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monkeypatch.setattr(
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app_module.FastAPIInstrumentor, 'instrument_app', lambda *args, **kwargs: None
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)
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app = app_module.create_app(config=config)
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status_code, response = asyncio.run(
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exercise_create_request(app, {'chat_id': 'chat-123'})
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)
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assert status_code == 503
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assert response == {'detail': 'sandbox_start_failed'}
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assert docker_client.close_calls == 1
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def test_post_create_maps_generic_sandbox_errors_to_internal_error(monkeypatch) -> None:
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config = build_config()
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logger = FakeLogger()
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create_usecase = FakeCreateSandboxUsecase(error=SandboxError('sandbox_broken'))
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cleanup_usecase = FakeCleanupExpiredSandboxes()
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docker_client = FakeDockerClient()
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container = build_container(
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config,
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create_usecase,
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cleanup_usecase,
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logger,
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docker_client,
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)
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monkeypatch.setattr(app_module, 'build_container', lambda **kwargs: container)
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monkeypatch.setattr(
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app_module.FastAPIInstrumentor, 'instrument_app', lambda *args, **kwargs: None
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)
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app = app_module.create_app(config=config)
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status_code, response = asyncio.run(
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exercise_create_request(app, {'chat_id': 'chat-123'})
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)
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assert status_code == 500
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assert response == {'detail': 'sandbox_broken'}
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assert docker_client.close_calls == 1
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