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"""沙箱客户端测试：用 respx 模拟 httpx，验证授权头注入、事件回写与取消。"""
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from __future__ import annotations
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import base64
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import httpx
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import pytest
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import respx
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from app.core.config import SandboxSettings
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from app.integrations.sandbox.auth import AuthorizationContext
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from app.integrations.sandbox.client import SandboxClient
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from app.integrations.sandbox.events import SandboxEvent
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from app.integrations.sandbox.exceptions import (
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SandboxBadRequest,
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SandboxNotFound,
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SandboxUnauthorized,
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SandboxUnavailable,
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)
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from app.integrations.sandbox.models import (
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ExecRequest,
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FileListRequest,
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FileReadRequest,
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FileStatRequest,
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FileWriteRequest,
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)
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def _settings(auth_enabled: bool = True) -> SandboxSettings:
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return SandboxSettings(
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rust_sandbox_url="http://sandbox.test",
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sandbox_auth_enabled=auth_enabled,
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sandbox_auth_secret="shared-secret",
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sandbox_default_timeout_ms=30000,
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sandbox_auth_ttl_seconds=30,
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)
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def _ctx() -> AuthorizationContext:
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return AuthorizationContext(trace_id="trace_1", risk_level="L1", tool="shell")
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class _RecordingSink:
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def __init__(self) -> None:
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self.events: list[SandboxEvent] = []
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async def emit(self, event: SandboxEvent) -> None:
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self.events.append(event)
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@respx.mock
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async def test_exec_success_sends_bearer_and_emits_events() -> None:
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route = respx.post("http://sandbox.test/v1/exec").mock(
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return_value=httpx.Response(
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200,
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json={
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"ok": True,
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"exit_code": 0,
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"stdout": "42\n",
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"stderr": "",
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"duration_ms": 4,
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"timeout": False,
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"truncated": False,
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"trace_id": "trace_1",
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},
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)
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)
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sink = _RecordingSink()
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings(), sink)
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resp = await sandbox.exec(ExecRequest(argv=["sh", "-c", "echo $((6*7))"]), _ctx())
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assert route.called
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assert resp.ok
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assert resp.stdout == "42\n"
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auth_header = route.calls.last.request.headers.get("authorization", "")
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assert auth_header.startswith("Bearer ")
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assert [e.type for e in sink.events] == ["tool.started", "tool.completed"]
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@respx.mock
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async def test_exec_unauthorized_emits_failed_event() -> None:
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respx.post("http://sandbox.test/v1/exec").mock(
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return_value=httpx.Response(
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401,
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json={"error": {"code": "sandbox_unauthorized", "message": "凭证无效"}},
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)
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)
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sink = _RecordingSink()
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings(), sink)
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with pytest.raises(SandboxUnauthorized):
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await sandbox.exec(ExecRequest(argv=["sh", "-c", "x"]), _ctx())
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assert sink.events[-1].type == "tool.failed"
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assert sink.events[-1].payload["error_code"] == "sandbox_unauthorized"
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@respx.mock
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async def test_exec_network_error_raises_unavailable() -> None:
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respx.post("http://sandbox.test/v1/exec").mock(side_effect=httpx.ConnectError("boom"))
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sink = _RecordingSink()
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings(), sink)
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with pytest.raises(SandboxUnavailable):
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await sandbox.exec(ExecRequest(argv=["sh", "-c", "x"]), _ctx())
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assert sink.events[-1].type == "tool.failed"
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assert sink.events[-1].payload["error_code"] == "sandbox_unavailable"
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@respx.mock
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async def test_cancel_returns_true_on_hit() -> None:
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respx.post("http://sandbox.test/v1/cancel").mock(
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return_value=httpx.Response(200, json={"cancelled": True, "trace_id": "trace_1"})
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)
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings())
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assert await sandbox.cancel("trace_1", _ctx()) is True
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@respx.mock
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async def test_cancel_raises_not_found() -> None:
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respx.post("http://sandbox.test/v1/cancel").mock(
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return_value=httpx.Response(
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404,
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json={"error": {"code": "not_found", "message": "任务不存在"}},
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)
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)
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings())
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with pytest.raises(SandboxNotFound):
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await sandbox.cancel("trace_1", _ctx())
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@respx.mock
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async def test_exec_stream_yields_stdout_then_done() -> None:
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sse = (
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b"event: stdout\n"
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b"data: aGVsbG8K\n" # base64(urlsafe-no-pad) 片段
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b"\n"
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b"event: done\n"
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b'data: {"exit_code":0,"duration_ms":5}\n'
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b"\n"
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)
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respx.post("http://sandbox.test/v1/exec/stream").mock(
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return_value=httpx.Response(200, content=sse)
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)
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings())
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events = [
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ev
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async for ev in sandbox.exec_stream(ExecRequest(argv=["sh", "-c", "echo hi"]), _ctx())
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]
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assert [e.kind for e in events] == ["stdout", "done"]
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assert events[0].payload == "aGVsbG8K"
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assert events[1].payload["exit_code"] == 0
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@respx.mock
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async def test_exec_stream_propagates_unauthorized() -> None:
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respx.post("http://sandbox.test/v1/exec/stream").mock(
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return_value=httpx.Response(
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401,
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json={"error": {"code": "sandbox_unauthorized", "message": "凭证无效"}},
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)
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)
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings())
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with pytest.raises(SandboxUnauthorized):
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async for _ in sandbox.exec_stream(ExecRequest(argv=["sh", "-c", "x"]), _ctx()):
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pass
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async def test_auth_enabled_requires_secret() -> None:
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settings = SandboxSettings(
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rust_sandbox_url="http://sandbox.test",
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sandbox_auth_enabled=True,
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sandbox_auth_secret="",
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sandbox_default_timeout_ms=30000,
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sandbox_auth_ttl_seconds=30,
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)
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with pytest.raises(ValueError):
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SandboxClient(httpx.AsyncClient(), settings)
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# ---- 文件 IO（file_op 凭证注入 + 事件回写 + 错误映射） ----
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def _b64url(content: bytes) -> str:
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return base64.urlsafe_b64encode(content).rstrip(b"=").decode("ascii")
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@respx.mock
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async def test_file_read_sends_credential_and_decodes_content() -> None:
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"""read：注入 file_op 凭证 + started/completed 事件 + base64 解码回原内容。"""
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content = b"hello-sandbox"
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route = respx.post("http://sandbox.test/v1/file/read").mock(
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return_value=httpx.Response(
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200,
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json={
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"content_b64": _b64url(content),
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"size": len(content),
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"offset": 0,
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"returned": len(content),
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"truncated": False,
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},
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)
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)
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sink = _RecordingSink()
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings(), sink)
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resp = await sandbox.file_read(FileReadRequest(path="data/note.txt"), _ctx())
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assert route.called
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assert resp.returned == len(content)
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assert base64.urlsafe_b64decode(resp.content_b64 + "==") == content
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assert route.calls.last.request.headers.get("authorization", "").startswith("Bearer ")
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assert [e.type for e in sink.events] == ["tool.started", "tool.completed"]
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# argv 记 [file:read, path]，供审计 input_summary
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assert sink.events[0].payload["argv"] == ["file:read", "data/note.txt"]
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@respx.mock
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async def test_file_write_returns_bytes_written() -> None:
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"""write：二进制安全（含 UTF-8 多字节），返回写入字节数。"""
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content = "乾坤一炁".encode()
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respx.post("http://sandbox.test/v1/file/write").mock(
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return_value=httpx.Response(200, json={"bytes_written": len(content)})
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)
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings())
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resp = await sandbox.file_write(
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FileWriteRequest(path="out.txt", content_b64=_b64url(content)), _ctx()
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)
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assert resp.bytes_written == len(content)
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@respx.mock
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async def test_file_list_returns_entries() -> None:
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respx.post("http://sandbox.test/v1/file/list").mock(
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return_value=httpx.Response(
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200,
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json={"entries": [{"name": "note.txt", "kind": "file", "size": 12}]},
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)
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)
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings())
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resp = await sandbox.file_list(FileListRequest(), _ctx())
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assert resp.entries[0].name == "note.txt"
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assert resp.entries[0].kind == "file"
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@respx.mock
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async def test_file_stat_returns_metadata() -> None:
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respx.post("http://sandbox.test/v1/file/stat").mock(
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return_value=httpx.Response(
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200, json={"kind": "file", "size": 42, "modified_unix": 1_700_000_000}
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)
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)
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings())
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resp = await sandbox.file_stat(FileStatRequest(path="data/note.txt"), _ctx())
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assert resp.kind == "file"
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assert resp.size == 42
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@respx.mock
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async def test_file_read_maps_bad_request_to_exception() -> None:
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"""路径越界/类型不符 → 400 → SandboxBadRequest + failed 事件。"""
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respx.post("http://sandbox.test/v1/file/read").mock(
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return_value=httpx.Response(
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400, json={"error": {"code": "bad_request", "message": "路径越界"}}
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)
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)
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sink = _RecordingSink()
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async with httpx.AsyncClient() as client:
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sandbox = SandboxClient(client, _settings(), sink)
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with pytest.raises(SandboxBadRequest):
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await sandbox.file_read(FileReadRequest(path="../../etc/passwd"), _ctx())
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assert sink.events[-1].type == "tool.failed"
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@respx.mock
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async def test_exec_code_mode_signs_with_body_hash_code() -> None:
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"""code 模式：授权凭证 body_hash 按 {language,code,stdin} 算，与 argv 模式不同。"""
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from app.integrations.sandbox.auth import compute_body_hash_code, verify_authorization
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route = respx.post("http://sandbox.test/v1/exec").mock(
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return_value=httpx.Response(
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200,
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json={
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"ok": True,
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"exit_code": 0,
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"stdout": "2\n",
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"stderr": "",
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"duration_ms": 4,
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"timeout": False,
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"truncated": False,
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"trace_id": "trace_1",
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"isolation_mode": "process",
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},
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)
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)
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async with httpx.AsyncClient() as client:
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sc = SandboxClient(client, _settings(), None)
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await sc.exec(ExecRequest(code="print(1+1)", language="python"), _ctx())
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assert route.called
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token = route.calls[0].request.headers["Authorization"].removeprefix("Bearer ")
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payload = verify_authorization("shared-secret", token)
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assert payload["body_hash"] == compute_body_hash_code("python", "print(1+1)", None)
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@respx.mock
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async def test_exec_code_mode_response_carries_isolation_mode() -> None:
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respx.post("http://sandbox.test/v1/exec").mock(
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return_value=httpx.Response(
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200,
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json={
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"ok": True,
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"exit_code": 0,
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"stdout": "",
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"stderr": "",
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"duration_ms": 1,
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"timeout": False,
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"truncated": False,
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"trace_id": "t",
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"isolation_mode": "process",
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},
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)
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)
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async with httpx.AsyncClient() as client:
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sc = SandboxClient(client, _settings(), None)
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resp = await sc.exec(ExecRequest(code="print(1)"), _ctx())
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assert resp.isolation_mode == "process"
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