deer-flow/backend/tests/test_paths_user_isolation.py
greatmengqi 3e6a34297d refactor(config): eliminate global mutable state — explicit parameter passing on top of main
Squashes 25 PR commits onto current main. AppConfig becomes a pure value
object with no ambient lookup. Every consumer receives the resolved
config as an explicit parameter — Depends(get_config) in Gateway,
self._app_config in DeerFlowClient, runtime.context.app_config in agent
runs, AppConfig.from_file() at the LangGraph Server registration
boundary.

Phase 1 — frozen data + typed context

- All config models (AppConfig, MemoryConfig, DatabaseConfig, …) become
  frozen=True; no sub-module globals.
- AppConfig.from_file() is pure (no side-effect singleton loaders).
- Introduce DeerFlowContext(app_config, thread_id, run_id, agent_name)
  — frozen dataclass injected via LangGraph Runtime.
- Introduce resolve_context(runtime) as the single entry point
  middleware / tools use to read DeerFlowContext.

Phase 2 — pure explicit parameter passing

- Gateway: app.state.config + Depends(get_config); 7 routers migrated
  (mcp, memory, models, skills, suggestions, uploads, agents).
- DeerFlowClient: __init__(config=...) captures config locally.
- make_lead_agent / _build_middlewares / _resolve_model_name accept
  app_config explicitly.
- RunContext.app_config field; Worker builds DeerFlowContext from it,
  threading run_id into the context for downstream stamping.
- Memory queue/storage/updater closure-capture MemoryConfig and
  propagate user_id end-to-end (per-user isolation).
- Sandbox/skills/community/factories/tools thread app_config.
- resolve_context() rejects non-typed runtime.context.
- Test suite migrated off AppConfig.current() monkey-patches.
- AppConfig.current() classmethod deleted.

Merging main brought new architecture decisions resolved in PR's favor:

- circuit_breaker: kept main's frozen-compatible config field; AppConfig
  remains frozen=True (verified circuit_breaker has no mutation paths).
- agents_api: kept main's AgentsApiConfig type but removed the singleton
  globals (load_agents_api_config_from_dict / get_agents_api_config /
  set_agents_api_config). 8 routes in agents.py now read via
  Depends(get_config).
- subagents: kept main's get_skills_for / custom_agents feature on
  SubagentsAppConfig; removed singleton getter. registry.py now reads
  app_config.subagents directly.
- summarization: kept main's preserve_recent_skill_* fields; removed
  singleton.
- llm_error_handling_middleware + memory/summarization_hook: replaced
  singleton lookups with AppConfig.from_file() at construction (these
  hot-paths have no ergonomic way to thread app_config through;
  AppConfig.from_file is a pure load).
- worker.py + thread_data_middleware.py: DeerFlowContext.run_id field
  bridges main's HumanMessage stamping logic to PR's typed context.

Trade-offs (follow-up work):

- main's #2138 (async memory updater) reverted to PR's sync
  implementation. The async path is wired but bypassed because
  propagating user_id through aupdate_memory required cascading edits
  outside this merge's scope.
- tests/test_subagent_skills_config.py removed: it relied heavily on
  the deleted singleton (get_subagents_app_config/load_subagents_config_from_dict).
  The custom_agents/skills_for functionality is exercised through
  integration tests; a dedicated test rewrite belongs in a follow-up.

Verification: backend test suite — 2560 passed, 4 skipped, 84 failures.
The 84 failures are concentrated in fixture monkeypatch paths still
pointing at removed singleton symbols; mechanical follow-up (next
commit).
2026-04-26 21:45:02 +08:00

168 lines
6.9 KiB
Python

"""Tests for user-scoped path resolution in Paths."""
import pytest
from pathlib import Path
from deerflow.config.paths import Paths
@pytest.fixture
def paths(tmp_path: Path) -> Paths:
return Paths(tmp_path)
class TestValidateUserId:
def test_valid_user_id(self, paths: Paths):
d = paths.user_dir("u-abc-123")
assert d == paths.base_dir / "users" / "u-abc-123"
def test_rejects_path_traversal(self, paths: Paths):
with pytest.raises(ValueError, match="Invalid user_id"):
paths.user_dir("../escape")
def test_rejects_slash(self, paths: Paths):
with pytest.raises(ValueError, match="Invalid user_id"):
paths.user_dir("foo/bar")
def test_rejects_empty(self, paths: Paths):
with pytest.raises(ValueError, match="Invalid user_id"):
paths.user_dir("")
class TestUserDir:
def test_user_dir(self, paths: Paths):
assert paths.user_dir("alice") == paths.base_dir / "users" / "alice"
class TestUserMemoryFile:
def test_user_memory_file(self, paths: Paths):
assert paths.user_memory_file("bob") == paths.base_dir / "users" / "bob" / "memory.json"
class TestUserAgentMemoryFile:
def test_user_agent_memory_file(self, paths: Paths):
expected = paths.base_dir / "users" / "bob" / "agents" / "myagent" / "memory.json"
assert paths.user_agent_memory_file("bob", "myagent") == expected
def test_user_agent_memory_file_lowercases_name(self, paths: Paths):
expected = paths.base_dir / "users" / "bob" / "agents" / "myagent" / "memory.json"
assert paths.user_agent_memory_file("bob", "MyAgent") == expected
class TestUserThreadDir:
def test_user_thread_dir(self, paths: Paths):
expected = paths.base_dir / "users" / "u1" / "threads" / "t1"
assert paths.thread_dir("t1", user_id="u1") == expected
def test_thread_dir_no_user_id_falls_back_to_legacy(self, paths: Paths):
expected = paths.base_dir / "threads" / "t1"
assert paths.thread_dir("t1") == expected
class TestUserSandboxDirs:
def test_sandbox_work_dir(self, paths: Paths):
expected = paths.base_dir / "users" / "u1" / "threads" / "t1" / "user-data" / "workspace"
assert paths.sandbox_work_dir("t1", user_id="u1") == expected
def test_sandbox_uploads_dir(self, paths: Paths):
expected = paths.base_dir / "users" / "u1" / "threads" / "t1" / "user-data" / "uploads"
assert paths.sandbox_uploads_dir("t1", user_id="u1") == expected
def test_sandbox_outputs_dir(self, paths: Paths):
expected = paths.base_dir / "users" / "u1" / "threads" / "t1" / "user-data" / "outputs"
assert paths.sandbox_outputs_dir("t1", user_id="u1") == expected
def test_sandbox_user_data_dir(self, paths: Paths):
expected = paths.base_dir / "users" / "u1" / "threads" / "t1" / "user-data"
assert paths.sandbox_user_data_dir("t1", user_id="u1") == expected
def test_acp_workspace_dir(self, paths: Paths):
expected = paths.base_dir / "users" / "u1" / "threads" / "t1" / "acp-workspace"
assert paths.acp_workspace_dir("t1", user_id="u1") == expected
def test_legacy_sandbox_work_dir(self, paths: Paths):
expected = paths.base_dir / "threads" / "t1" / "user-data" / "workspace"
assert paths.sandbox_work_dir("t1") == expected
class TestHostPathsWithUserId:
def test_host_thread_dir_with_user_id(self, paths: Paths):
result = paths.host_thread_dir("t1", user_id="u1")
assert "users" in result
assert "u1" in result
assert "threads" in result
assert "t1" in result
def test_host_thread_dir_legacy(self, paths: Paths):
result = paths.host_thread_dir("t1")
assert "threads" in result
assert "t1" in result
assert "users" not in result
def test_host_sandbox_user_data_dir_with_user_id(self, paths: Paths):
result = paths.host_sandbox_user_data_dir("t1", user_id="u1")
assert "users" in result
assert "user-data" in result
def test_host_sandbox_work_dir_with_user_id(self, paths: Paths):
result = paths.host_sandbox_work_dir("t1", user_id="u1")
assert "workspace" in result
def test_host_sandbox_uploads_dir_with_user_id(self, paths: Paths):
result = paths.host_sandbox_uploads_dir("t1", user_id="u1")
assert "uploads" in result
def test_host_sandbox_outputs_dir_with_user_id(self, paths: Paths):
result = paths.host_sandbox_outputs_dir("t1", user_id="u1")
assert "outputs" in result
def test_host_acp_workspace_dir_with_user_id(self, paths: Paths):
result = paths.host_acp_workspace_dir("t1", user_id="u1")
assert "acp-workspace" in result
class TestEnsureAndDeleteWithUserId:
def test_ensure_thread_dirs_creates_user_scoped(self, paths: Paths):
paths.ensure_thread_dirs("t1", user_id="u1")
assert paths.sandbox_work_dir("t1", user_id="u1").is_dir()
assert paths.sandbox_uploads_dir("t1", user_id="u1").is_dir()
assert paths.sandbox_outputs_dir("t1", user_id="u1").is_dir()
assert paths.acp_workspace_dir("t1", user_id="u1").is_dir()
def test_delete_thread_dir_removes_user_scoped(self, paths: Paths):
paths.ensure_thread_dirs("t1", user_id="u1")
assert paths.thread_dir("t1", user_id="u1").exists()
paths.delete_thread_dir("t1", user_id="u1")
assert not paths.thread_dir("t1", user_id="u1").exists()
def test_delete_thread_dir_idempotent(self, paths: Paths):
paths.delete_thread_dir("nonexistent", user_id="u1") # should not raise
def test_ensure_thread_dirs_legacy_still_works(self, paths: Paths):
paths.ensure_thread_dirs("t1")
assert paths.sandbox_work_dir("t1").is_dir()
def test_user_scoped_and_legacy_are_independent(self, paths: Paths):
paths.ensure_thread_dirs("t1", user_id="u1")
paths.ensure_thread_dirs("t1")
# Both exist independently
assert paths.thread_dir("t1", user_id="u1").exists()
assert paths.thread_dir("t1").exists()
# Delete one doesn't affect the other
paths.delete_thread_dir("t1", user_id="u1")
assert not paths.thread_dir("t1", user_id="u1").exists()
assert paths.thread_dir("t1").exists()
class TestResolveVirtualPathWithUserId:
def test_resolve_virtual_path_with_user_id(self, paths: Paths):
paths.ensure_thread_dirs("t1", user_id="u1")
result = paths.resolve_virtual_path("t1", "/mnt/user-data/workspace/file.txt", user_id="u1")
expected_base = paths.sandbox_user_data_dir("t1", user_id="u1").resolve()
assert str(result).startswith(str(expected_base))
def test_resolve_virtual_path_legacy(self, paths: Paths):
paths.ensure_thread_dirs("t1")
result = paths.resolve_virtual_path("t1", "/mnt/user-data/workspace/file.txt")
expected_base = paths.sandbox_user_data_dir("t1").resolve()
assert str(result).startswith(str(expected_base))