deer-flow/backend/tests/test_subagent_timeout_config.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

177 lines
6.1 KiB
Python

"""Tests for subagent runtime configuration.
Covers:
- SubagentsAppConfig / SubagentOverrideConfig model validation and defaults
- get_timeout_for() / get_max_turns_for() resolution logic
- AppConfig.subagents field access
- registry.get_subagent_config() applies config overrides
- registry.list_subagents() applies overrides for all agents
- Polling timeout calculation in task_tool is consistent with config
"""
import pytest
from deerflow.config.app_config import AppConfig
from deerflow.config.sandbox_config import SandboxConfig
from deerflow.config.subagents_config import (
SubagentOverrideConfig,
SubagentsAppConfig,
)
def _make_config(
timeout_seconds: int = 900,
*,
max_turns: int | None = None,
agents: dict | None = None,
) -> AppConfig:
"""Build an AppConfig with the given subagents settings."""
return AppConfig(
sandbox=SandboxConfig(use="test"),
subagents=SubagentsAppConfig(
timeout_seconds=timeout_seconds,
max_turns=max_turns,
agents={k: SubagentOverrideConfig(**v) for k, v in (agents or {}).items()},
),
)
# ---------------------------------------------------------------------------
# SubagentOverrideConfig
# ---------------------------------------------------------------------------
class TestSubagentOverrideConfig:
def test_default_is_none(self):
override = SubagentOverrideConfig()
assert override.timeout_seconds is None
assert override.max_turns is None
def test_explicit_values(self):
override = SubagentOverrideConfig(timeout_seconds=120, max_turns=50)
assert override.timeout_seconds == 120
assert override.max_turns == 50
def test_rejects_negative_timeout(self):
with pytest.raises(Exception):
SubagentOverrideConfig(timeout_seconds=-1)
def test_rejects_zero_timeout(self):
with pytest.raises(Exception):
SubagentOverrideConfig(timeout_seconds=0)
# ---------------------------------------------------------------------------
# SubagentsAppConfig model
# ---------------------------------------------------------------------------
class TestSubagentsAppConfig:
def test_default_timeout_is_900(self):
config = SubagentsAppConfig()
assert config.timeout_seconds == 900
assert config.max_turns is None
assert config.agents == {}
def test_custom_defaults(self):
config = SubagentsAppConfig(timeout_seconds=300, max_turns=50)
assert config.timeout_seconds == 300
assert config.max_turns == 50
# ---------------------------------------------------------------------------
# get_timeout_for / get_max_turns_for
# ---------------------------------------------------------------------------
class TestTimeoutResolution:
def test_global_timeout_for_unknown_agent(self):
config = SubagentsAppConfig(timeout_seconds=600)
assert config.get_timeout_for("unknown") == 600
def test_per_agent_timeout_overrides_global(self):
config = SubagentsAppConfig(
timeout_seconds=600,
agents={"bash": SubagentOverrideConfig(timeout_seconds=120)},
)
assert config.get_timeout_for("bash") == 120
assert config.get_timeout_for("general-purpose") == 600
def test_per_agent_override_none_falls_back_to_global(self):
config = SubagentsAppConfig(
timeout_seconds=600,
agents={"bash": SubagentOverrideConfig(timeout_seconds=None)},
)
assert config.get_timeout_for("bash") == 600
class TestMaxTurnsResolution:
def test_builtin_default_when_no_override(self):
config = SubagentsAppConfig()
assert config.get_max_turns_for("bash", 60) == 60
def test_global_max_turns_overrides_builtin(self):
config = SubagentsAppConfig(max_turns=100)
assert config.get_max_turns_for("bash", 60) == 100
def test_per_agent_max_turns_overrides_global(self):
config = SubagentsAppConfig(
max_turns=100,
agents={"bash": SubagentOverrideConfig(max_turns=30)},
)
assert config.get_max_turns_for("bash", 60) == 30
assert config.get_max_turns_for("general-purpose", 60) == 100
def test_per_agent_override_none_falls_back(self):
config = SubagentsAppConfig(
max_turns=100,
agents={"bash": SubagentOverrideConfig(max_turns=None)},
)
assert config.get_max_turns_for("bash", 60) == 100
# ---------------------------------------------------------------------------
# AppConfig.subagents
# ---------------------------------------------------------------------------
class TestAppConfigSubagents:
def test_load_global_timeout(self):
cfg = _make_config(timeout_seconds=300, max_turns=120)
sub = cfg.subagents
assert sub.timeout_seconds == 300
assert sub.max_turns == 120
def test_load_with_per_agent_overrides(self):
cfg = _make_config(
timeout_seconds=900,
max_turns=120,
agents={
"general-purpose": {"timeout_seconds": 1800, "max_turns": 200},
"bash": {"timeout_seconds": 60, "max_turns": 80},
},
)
sub = cfg.subagents
assert sub.get_timeout_for("general-purpose") == 1800
assert sub.get_timeout_for("bash") == 60
assert sub.get_max_turns_for("general-purpose", 100) == 200
assert sub.get_max_turns_for("bash", 60) == 80
def test_load_partial_override(self):
cfg = _make_config(
timeout_seconds=600,
agents={"bash": {"timeout_seconds": 120, "max_turns": 70}},
)
sub = cfg.subagents
assert sub.get_timeout_for("general-purpose") == 600
assert sub.get_timeout_for("bash") == 120
assert sub.get_max_turns_for("general-purpose", 100) == 100
assert sub.get_max_turns_for("bash", 60) == 70
def test_load_empty_uses_defaults(self):
cfg = _make_config()
sub = cfg.subagents
assert sub.timeout_seconds == 900
assert sub.max_turns is None
assert sub.agents == {}