deer-flow/backend/tests/test_deer_flow_context.py

87 lines
3.3 KiB
Python

"""Tests for DeerFlowContext and resolve_context()."""
from dataclasses import FrozenInstanceError
from unittest.mock import MagicMock, patch
import pytest
from deerflow.config.app_config import AppConfig
from deerflow.config.deer_flow_context import DeerFlowContext, resolve_context
from deerflow.config.sandbox_config import SandboxConfig
def _make_config(**overrides) -> AppConfig:
defaults = {"sandbox": SandboxConfig(use="test")}
defaults.update(overrides)
return AppConfig(**defaults)
class TestDeerFlowContext:
def test_frozen(self):
ctx = DeerFlowContext(app_config=_make_config(), thread_id="t1")
with pytest.raises(FrozenInstanceError):
ctx.app_config = _make_config()
def test_fields(self):
config = _make_config()
ctx = DeerFlowContext(app_config=config, thread_id="t1", agent_name="test-agent")
assert ctx.thread_id == "t1"
assert ctx.agent_name == "test-agent"
assert ctx.app_config is config
def test_agent_name_default(self):
ctx = DeerFlowContext(app_config=_make_config(), thread_id="t1")
assert ctx.agent_name is None
def test_thread_id_required(self):
with pytest.raises(TypeError):
DeerFlowContext(app_config=_make_config()) # type: ignore[call-arg]
class TestResolveContext:
def test_returns_typed_context_directly(self):
"""Gateway/Client path: runtime.context is DeerFlowContext → return as-is."""
config = _make_config()
ctx = DeerFlowContext(app_config=config, thread_id="t1")
runtime = MagicMock()
runtime.context = ctx
assert resolve_context(runtime) is ctx
def test_fallback_from_configurable(self):
"""LangGraph Server path: runtime.context is None → construct from ContextVar + configurable."""
runtime = MagicMock()
runtime.context = None
config = _make_config()
with (
patch.object(AppConfig, "current", return_value=config),
patch("langgraph.config.get_config", return_value={"configurable": {"thread_id": "t2", "agent_name": "ag"}}),
):
ctx = resolve_context(runtime)
assert ctx.thread_id == "t2"
assert ctx.agent_name == "ag"
assert ctx.app_config is config
def test_fallback_empty_configurable(self):
"""LangGraph Server path with no thread_id in configurable → empty string."""
runtime = MagicMock()
runtime.context = None
config = _make_config()
with (
patch.object(AppConfig, "current", return_value=config),
patch("langgraph.config.get_config", return_value={"configurable": {}}),
):
ctx = resolve_context(runtime)
assert ctx.thread_id == ""
assert ctx.agent_name is None
def test_fallback_from_dict_context(self):
"""Legacy path: runtime.context is a dict → extract from dict directly."""
runtime = MagicMock()
runtime.context = {"thread_id": "old-dict", "agent_name": "from-dict"}
config = _make_config()
with patch.object(AppConfig, "current", return_value=config):
ctx = resolve_context(runtime)
assert ctx.thread_id == "old-dict"
assert ctx.agent_name == "from-dict"
assert ctx.app_config is config