wehub-resource-sync
595 lines
20 KiB
Python
595 lines
20 KiB
Python
from __future__ import annotations
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import os
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from collections.abc import Callable
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from dataclasses import dataclass
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from pathlib import Path, PurePath, PurePosixPath, PureWindowsPath
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from typing import Any, cast
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import pytest
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from pydantic import ValidationError
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from agents.sandbox import Manifest, SandboxPathGrant
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from agents.sandbox.errors import InvalidManifestPathError, WorkspaceArchiveWriteError
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from agents.sandbox.workspace_paths import (
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WorkspacePathPolicy,
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coerce_posix_path,
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posix_path_as_path,
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)
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PathInput = str | PurePath
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PathPolicyMethod = Callable[[WorkspacePathPolicy, PathInput], Path]
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@dataclass(frozen=True)
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class WorkspacePathCase:
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name: str
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path: PathInput
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expected: Path | None = None
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error_message: str | None = None
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error_context: dict[str, str] | None = None
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def _policy(root: Path | str = "/workspace") -> WorkspacePathPolicy:
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return WorkspacePathPolicy(root=root)
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def test_workspace_path_policy_rejects_relative_root() -> None:
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with pytest.raises(ValueError, match="sandbox workspace root must be absolute"):
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WorkspacePathPolicy(root="workspace")
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def _assert_workspace_path_case(
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*,
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method: PathPolicyMethod,
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test_case: WorkspacePathCase,
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root: Path | str = "/workspace",
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) -> None:
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if test_case.error_message is None:
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assert method(_policy(root), test_case.path) == test_case.expected
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return
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with pytest.raises(InvalidManifestPathError) as exc_info:
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method(_policy(root), test_case.path)
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assert str(exc_info.value) == test_case.error_message
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assert exc_info.value.context == test_case.error_context
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ABSOLUTE_WORKSPACE_PATH_CASES = [
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WorkspacePathCase(
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name="relative path anchors under root",
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path="pkg/file.py",
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expected=Path("/workspace/pkg/file.py"),
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),
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WorkspacePathCase(
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name="Path input anchors under root",
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path=Path("pkg/file.py"),
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expected=Path("/workspace/pkg/file.py"),
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),
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WorkspacePathCase(
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name="absolute path inside root is accepted",
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path="/workspace/pkg/file.py",
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expected=Path("/workspace/pkg/file.py"),
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),
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WorkspacePathCase(
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name="absolute path inside root is normalized",
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path="/workspace/pkg/../file.py",
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expected=Path("/workspace/file.py"),
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),
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WorkspacePathCase(
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name="relative parent segment inside root is normalized",
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path="pkg/../secret.txt",
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expected=Path("/workspace/secret.txt"),
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),
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WorkspacePathCase(
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name="absolute path outside root is rejected",
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path="/tmp/secret.txt",
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error_message="manifest path must be relative: /tmp/secret.txt",
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error_context={"rel": "/tmp/secret.txt", "reason": "absolute"},
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),
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WorkspacePathCase(
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name="relative parent traversal is rejected",
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path="../secret.txt",
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error_message="manifest path must not escape root: ../secret.txt",
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error_context={"rel": "../secret.txt", "reason": "escape_root"},
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),
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WorkspacePathCase(
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name="nested relative parent traversal outside root is rejected",
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path="pkg/../../secret.txt",
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error_message="manifest path must not escape root: pkg/../../secret.txt",
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error_context={"rel": "pkg/../../secret.txt", "reason": "escape_root"},
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),
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]
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@pytest.mark.parametrize(
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"test_case",
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ABSOLUTE_WORKSPACE_PATH_CASES,
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ids=lambda test_case: test_case.name,
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)
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def test_absolute_workspace_path(test_case: WorkspacePathCase) -> None:
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_assert_workspace_path_case(
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method=lambda policy, path: policy.absolute_workspace_path(path),
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test_case=test_case,
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)
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RELATIVE_PATH_CASES = [
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WorkspacePathCase(
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name="relative path stays relative",
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path="pkg/file.py",
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expected=Path("pkg/file.py"),
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),
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WorkspacePathCase(
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name="absolute path inside root becomes relative",
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path="/workspace/pkg/file.py",
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expected=Path("pkg/file.py"),
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),
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WorkspacePathCase(
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name="relative parent segment inside root is normalized",
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path="pkg/../secret.txt",
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expected=Path("secret.txt"),
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),
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WorkspacePathCase(
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name="workspace root becomes dot",
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path="/workspace",
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expected=Path("."),
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),
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WorkspacePathCase(
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name="provider root is not exposed",
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path="/provider/private/root/images/dot.png",
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expected=Path("images/dot.png"),
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),
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WorkspacePathCase(
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name="relative provider path stays relative",
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path="images/dot.png",
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expected=Path("images/dot.png"),
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),
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WorkspacePathCase(
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name="absolute path outside root is rejected",
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path="/tmp/secret.txt",
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error_message="manifest path must be relative: /tmp/secret.txt",
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error_context={"rel": "/tmp/secret.txt", "reason": "absolute"},
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),
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WorkspacePathCase(
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name="relative parent traversal is rejected",
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path="../secret.txt",
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error_message="manifest path must not escape root: ../secret.txt",
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error_context={"rel": "../secret.txt", "reason": "escape_root"},
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),
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]
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@pytest.mark.parametrize(
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"test_case",
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RELATIVE_PATH_CASES,
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ids=lambda test_case: test_case.name,
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)
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def test_relative_path(test_case: WorkspacePathCase) -> None:
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root = "/provider/private/root" if "provider" in test_case.name else "/workspace"
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_assert_workspace_path_case(
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method=lambda policy, path: policy.relative_path(path),
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test_case=test_case,
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root=root,
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)
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def test_normalize_path_with_symlink_resolution(tmp_path: Path) -> None:
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workspace = tmp_path / "workspace"
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outside = tmp_path / "outside"
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workspace.mkdir()
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outside.mkdir()
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target = workspace / "target.txt"
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target.write_text("hello", encoding="utf-8")
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os.symlink(target, workspace / "link.txt")
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os.symlink(outside, workspace / "outside-link", target_is_directory=True)
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alias = tmp_path / "workspace-alias"
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os.symlink(workspace, alias, target_is_directory=True)
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test_cases = [
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WorkspacePathCase(
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name="relative path resolves under host root",
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path="target.txt",
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expected=target.resolve(),
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),
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WorkspacePathCase(
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name="relative parent segment inside root resolves under host root",
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path="nested/../target.txt",
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expected=target.resolve(),
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),
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WorkspacePathCase(
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name="safe internal leaf symlink resolves to target",
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path="link.txt",
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expected=target.resolve(),
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),
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WorkspacePathCase(
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name="absolute path through root alias is accepted",
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path=alias / "target.txt",
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expected=target.resolve(),
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),
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WorkspacePathCase(
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name="absolute resolved root path is accepted",
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path=target,
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expected=target.resolve(),
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),
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WorkspacePathCase(
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name="symlink parent escape is rejected",
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path="outside-link/secret.txt",
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error_message="manifest path must not escape root: outside-link/secret.txt",
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error_context={"rel": "outside-link/secret.txt", "reason": "escape_root"},
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),
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WorkspacePathCase(
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name="absolute path outside root is rejected",
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path=outside / "secret.txt",
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error_message=f"manifest path must be relative: {(outside / 'secret.txt').as_posix()}",
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error_context={"rel": (outside / "secret.txt").as_posix(), "reason": "absolute"},
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),
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]
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for test_case in test_cases:
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_assert_workspace_path_case(
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method=lambda policy, path: policy.normalize_path(path, resolve_symlinks=True),
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test_case=test_case,
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root=alias,
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)
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def test_normalize_sandbox_path_uses_posix_paths_for_windows_inputs() -> None:
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policy = WorkspacePathPolicy(root="/workspace")
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assert policy.sandbox_root() == PurePosixPath("/workspace")
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assert policy.normalize_sandbox_path(PureWindowsPath("/workspace/pkg/file.py")) == (
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PurePosixPath("/workspace/pkg/file.py")
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)
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assert policy.normalize_sandbox_path(PureWindowsPath("pkg/file.py")) == (
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PurePosixPath("/workspace/pkg/file.py")
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)
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def test_normalize_path_uses_posix_paths_for_windows_inputs() -> None:
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policy = WorkspacePathPolicy(root="/workspace")
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assert policy.normalize_path(PureWindowsPath("/workspace/pkg/file.py")).as_posix() == (
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"/workspace/pkg/file.py"
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)
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assert policy.absolute_workspace_path(PureWindowsPath("pkg/file.py")).as_posix() == (
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"/workspace/pkg/file.py"
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)
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def test_inaccessible_root_is_treated_as_remote_path(monkeypatch: pytest.MonkeyPatch) -> None:
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root = PurePosixPath("/root/project")
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def raise_for_root(path: Path) -> bool:
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if path.as_posix() == root.as_posix():
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raise PermissionError("permission denied")
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return False
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monkeypatch.setattr(Path, "exists", raise_for_root)
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policy = WorkspacePathPolicy(root=root)
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assert policy.root_is_existing_host_path() is False
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assert policy.normalize_path("pkg/file.py").as_posix() == "/root/project/pkg/file.py"
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def test_absolute_workspace_path_rejects_windows_rooted_escape_as_absolute() -> None:
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policy = WorkspacePathPolicy(root="/workspace")
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with pytest.raises(InvalidManifestPathError) as exc_info:
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policy.absolute_workspace_path(PureWindowsPath("/tmp/secret.txt"))
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assert str(exc_info.value) == "manifest path must be relative: /tmp/secret.txt"
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assert exc_info.value.context == {"rel": "/tmp/secret.txt", "reason": "absolute"}
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def test_windows_drive_absolute_path_is_rejected_before_posix_coercion() -> None:
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policy = WorkspacePathPolicy(root="/workspace")
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with pytest.raises(InvalidManifestPathError) as exc_info:
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policy.normalize_path(PureWindowsPath("C:/tmp/secret.txt"))
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assert str(exc_info.value) == "manifest path must be relative: C:/tmp/secret.txt"
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assert exc_info.value.context == {"rel": "C:/tmp/secret.txt", "reason": "absolute"}
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with pytest.raises(InvalidManifestPathError) as exc_info:
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policy.absolute_workspace_path("C:\\tmp\\secret.txt")
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assert str(exc_info.value) == "manifest path must be relative: C:/tmp/secret.txt"
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assert exc_info.value.context == {"rel": "C:/tmp/secret.txt", "reason": "absolute"}
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with pytest.raises(InvalidManifestPathError) as exc_info:
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policy.normalize_path(coerce_posix_path(PureWindowsPath("C:/tmp/secret.txt")))
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assert str(exc_info.value) == "manifest path must be relative: C:/tmp/secret.txt"
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assert exc_info.value.context == {"rel": "C:/tmp/secret.txt", "reason": "absolute"}
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def test_existing_host_root_rejects_windows_drive_absolute_paths(tmp_path: Path) -> None:
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workspace = tmp_path / "workspace"
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workspace.mkdir()
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policy = WorkspacePathPolicy(root=workspace)
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methods: tuple[PathPolicyMethod, ...] = (
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lambda policy, path: policy.absolute_workspace_path(path),
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lambda policy, path: policy.normalize_path(path),
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lambda policy, path: policy.normalize_path(path, resolve_symlinks=True),
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)
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for method in methods:
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for path in (
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PureWindowsPath("C:/tmp/secret.txt"),
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"C:\\tmp\\secret.txt",
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coerce_posix_path(PureWindowsPath("C:/tmp/secret.txt")),
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):
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with pytest.raises(InvalidManifestPathError) as exc_info:
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method(policy, path)
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assert str(exc_info.value) == "manifest path must be relative: C:/tmp/secret.txt"
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assert exc_info.value.context == {"rel": "C:/tmp/secret.txt", "reason": "absolute"}
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def test_relative_path_rejects_windows_drive_absolute_path_for_host_root(
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tmp_path: Path,
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) -> None:
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workspace = tmp_path / "workspace"
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workspace.mkdir()
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policy = WorkspacePathPolicy(root=workspace)
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for path in (
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PureWindowsPath("C:/tmp/secret.txt"),
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"C:\\tmp\\secret.txt",
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coerce_posix_path(PureWindowsPath("C:/tmp/secret.txt")),
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):
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with pytest.raises(InvalidManifestPathError) as exc_info:
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policy.relative_path(path)
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assert str(exc_info.value) == "manifest path must be relative: C:/tmp/secret.txt"
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assert exc_info.value.context == {"rel": "C:/tmp/secret.txt", "reason": "absolute"}
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def test_posix_path_as_path_returns_native_path() -> None:
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path = posix_path_as_path(PurePosixPath("/workspace/file.txt"))
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assert isinstance(path, Path)
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assert path.as_posix() == "/workspace/file.txt"
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def test_sandbox_extra_path_grant_rules_use_posix_paths() -> None:
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policy = WorkspacePathPolicy(
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root="/workspace",
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extra_path_grants=(SandboxPathGrant(path="/tmp"),),
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)
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assert policy.extra_path_grant_rules() == ((PurePosixPath("/tmp"), False),)
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assert policy.normalize_sandbox_path(PureWindowsPath("/tmp/result.txt")) == (
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PurePosixPath("/tmp/result.txt")
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)
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def test_extra_path_grant_rejects_non_native_windows_drive_absolute_path() -> None:
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if Path(PureWindowsPath("C:/tmp")).is_absolute():
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pytest.skip("Windows drive paths are native absolute paths on this host")
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for path in (
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PureWindowsPath("C:/tmp"),
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"C:\\tmp",
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coerce_posix_path(PureWindowsPath("C:/tmp")),
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):
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with pytest.raises(ValidationError) as exc_info:
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SandboxPathGrant(path=cast(Any, path))
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errors = exc_info.value.errors(include_url=False)
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assert len(errors) == 1
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error = dict(errors[0])
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ctx = cast(dict[str, Any], error["ctx"])
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error["ctx"] = {"error": str(ctx["error"])}
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assert error == {
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"type": "value_error",
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"loc": ("path",),
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"msg": "Value error, sandbox path grant path must be POSIX absolute",
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"input": path,
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"ctx": {"error": "sandbox path grant path must be POSIX absolute"},
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}
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def test_extra_path_grant_accepts_native_windows_drive_absolute_path(
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tmp_path: Path,
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) -> None:
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if not Path(PureWindowsPath("C:/tmp")).is_absolute():
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pytest.skip("Windows drive paths are not native absolute paths on this host")
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grant = SandboxPathGrant(path=str(tmp_path))
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assert Path(grant.path).is_absolute()
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def test_extra_path_grant_rules_reject_windows_drive_absolute_path() -> None:
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grant = SandboxPathGrant.model_construct(
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path="C:/tmp",
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read_only=False,
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description=None,
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)
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policy = WorkspacePathPolicy(root="/workspace", extra_path_grants=(grant,))
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with pytest.raises(ValueError) as exc_info:
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policy.extra_path_grant_rules()
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assert str(exc_info.value) == "sandbox path grant path must be POSIX absolute"
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def test_manifest_serializes_extra_path_grants() -> None:
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manifest = Manifest(
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extra_path_grants=(
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SandboxPathGrant(
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path="/tmp",
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description="temporary files",
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),
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SandboxPathGrant(
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path="/opt/toolchain",
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read_only=True,
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description="compiler runtime",
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),
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),
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)
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assert manifest.model_dump(mode="json")["extra_path_grants"] == [
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{
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"path": "/tmp",
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"read_only": False,
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"description": "temporary files",
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},
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{
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"path": "/opt/toolchain",
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"read_only": True,
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"description": "compiler runtime",
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},
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]
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def test_extra_path_grant_accepts_absolute_path() -> None:
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policy = WorkspacePathPolicy(
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root="/workspace",
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extra_path_grants=(SandboxPathGrant(path="/tmp"),),
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)
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assert policy.normalize_path("/tmp/result.txt") == Path("/tmp/result.txt")
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def test_extra_path_grant_rejects_ungranted_absolute_path() -> None:
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policy = WorkspacePathPolicy(
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root="/workspace",
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extra_path_grants=(SandboxPathGrant(path="/tmp"),),
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)
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with pytest.raises(InvalidManifestPathError) as exc_info:
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policy.normalize_path("/var/result.txt")
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assert str(exc_info.value) == "manifest path must be relative: /var/result.txt"
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assert exc_info.value.context == {"rel": "/var/result.txt", "reason": "absolute"}
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def test_extra_path_grant_rejects_write_under_read_only_grant() -> None:
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policy = WorkspacePathPolicy(
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root="/workspace",
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extra_path_grants=(SandboxPathGrant(path="/opt/toolchain", read_only=True),),
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)
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with pytest.raises(WorkspaceArchiveWriteError) as exc_info:
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policy.normalize_path("/opt/toolchain/cache.db", for_write=True)
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assert str(exc_info.value) == "failed to write archive for path: /opt/toolchain/cache.db"
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assert exc_info.value.context == {
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"path": "/opt/toolchain/cache.db",
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"reason": "read_only_extra_path_grant",
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"grant_path": "/opt/toolchain",
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}
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def test_extra_path_grant_allows_read_under_read_only_grant() -> None:
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policy = WorkspacePathPolicy(
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root="/workspace",
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extra_path_grants=(SandboxPathGrant(path="/opt/toolchain", read_only=True),),
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)
|
|
|
|
assert policy.normalize_path("/opt/toolchain/cache.db") == Path("/opt/toolchain/cache.db")
|
|
|
|
|
|
def test_host_io_rejects_write_under_resolved_read_only_extra_path_grant(
|
|
tmp_path: Path,
|
|
) -> None:
|
|
workspace = tmp_path / "workspace"
|
|
allowed = tmp_path / "allowed"
|
|
grant_alias = tmp_path / "allowed-alias"
|
|
workspace.mkdir()
|
|
allowed.mkdir()
|
|
os.symlink(allowed, grant_alias, target_is_directory=True)
|
|
target = allowed / "cache.db"
|
|
grant = SandboxPathGrant(path=str(grant_alias), read_only=True)
|
|
policy = WorkspacePathPolicy(
|
|
root=workspace,
|
|
extra_path_grants=(grant,),
|
|
)
|
|
|
|
with pytest.raises(WorkspaceArchiveWriteError) as exc_info:
|
|
policy.normalize_path(target, for_write=True, resolve_symlinks=True)
|
|
|
|
assert str(exc_info.value) == f"failed to write archive for path: {target}"
|
|
assert exc_info.value.context == {
|
|
"path": str(target),
|
|
"reason": "read_only_extra_path_grant",
|
|
"grant_path": grant.path,
|
|
}
|
|
|
|
|
|
def test_extra_path_grant_rejects_relative_path() -> None:
|
|
with pytest.raises(ValidationError) as exc_info:
|
|
SandboxPathGrant(path="tmp")
|
|
|
|
errors = exc_info.value.errors(include_url=False)
|
|
assert len(errors) == 1
|
|
error = dict(errors[0])
|
|
ctx = cast(dict[str, Any], error["ctx"])
|
|
error["ctx"] = {"error": str(ctx["error"])}
|
|
assert error == {
|
|
"type": "value_error",
|
|
"loc": ("path",),
|
|
"msg": "Value error, sandbox path grant path must be absolute",
|
|
"input": "tmp",
|
|
"ctx": {"error": "sandbox path grant path must be absolute"},
|
|
}
|
|
|
|
|
|
def test_extra_path_grant_rejects_root_path() -> None:
|
|
with pytest.raises(ValidationError) as exc_info:
|
|
SandboxPathGrant(path="/")
|
|
|
|
errors = exc_info.value.errors(include_url=False)
|
|
assert len(errors) == 1
|
|
error = dict(errors[0])
|
|
ctx = cast(dict[str, Any], error["ctx"])
|
|
error["ctx"] = {"error": str(ctx["error"])}
|
|
assert error == {
|
|
"type": "value_error",
|
|
"loc": ("path",),
|
|
"msg": "Value error, sandbox path grant path must not be filesystem root",
|
|
"input": "/",
|
|
"ctx": {"error": "sandbox path grant path must not be filesystem root"},
|
|
}
|
|
|
|
|
|
def test_extra_path_grant_rejects_root_alias_path() -> None:
|
|
with pytest.raises(ValidationError) as exc_info:
|
|
SandboxPathGrant(path="//")
|
|
|
|
errors = exc_info.value.errors(include_url=False)
|
|
assert len(errors) == 1
|
|
error = dict(errors[0])
|
|
ctx = cast(dict[str, Any], error["ctx"])
|
|
error["ctx"] = {"error": str(ctx["error"])}
|
|
assert error == {
|
|
"type": "value_error",
|
|
"loc": ("path",),
|
|
"msg": "Value error, sandbox path grant path must not be filesystem root",
|
|
"input": "//",
|
|
"ctx": {"error": "sandbox path grant path must not be filesystem root"},
|
|
}
|
|
|
|
|
|
def test_host_io_rejects_extra_path_grant_symlink_to_root(tmp_path: Path) -> None:
|
|
workspace = tmp_path / "workspace"
|
|
root_alias = tmp_path / "root-alias"
|
|
workspace.mkdir()
|
|
os.symlink(Path("/"), root_alias, target_is_directory=True)
|
|
policy = WorkspacePathPolicy(
|
|
root=workspace,
|
|
extra_path_grants=(SandboxPathGrant(path=str(root_alias)),),
|
|
)
|
|
|
|
with pytest.raises(ValueError) as exc_info:
|
|
policy.normalize_path(root_alias / "etc" / "passwd", resolve_symlinks=True)
|
|
|
|
assert str(exc_info.value) == "sandbox path grant path must not resolve to filesystem root"
|