Willem Jiang
a55de566b9
Extract duplicated thread_id fallback logic from 11 files into a single deerflow.utils.runtime.get_thread_id() function with a documented 3-level cascade (runtime.context → runtime.config → get_config()). The module docstring also clarifies the __pregel_runtime injection pattern used in gateway mode.
59 lines
2.7 KiB
Python
59 lines
2.7 KiB
Python
import pytest
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from langgraph.runtime import Runtime
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from deerflow.agents.middlewares.thread_data_middleware import ThreadDataMiddleware
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def _as_posix(path: str) -> str:
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return path.replace("\\", "/")
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class TestThreadDataMiddleware:
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def test_before_agent_returns_paths_when_thread_id_present_in_context(self, tmp_path):
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middleware = ThreadDataMiddleware(base_dir=str(tmp_path), lazy_init=True)
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result = middleware.before_agent(state={}, runtime=Runtime(context={"thread_id": "thread-123"}))
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assert result is not None
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assert _as_posix(result["thread_data"]["workspace_path"]).endswith("threads/thread-123/user-data/workspace")
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assert _as_posix(result["thread_data"]["uploads_path"]).endswith("threads/thread-123/user-data/uploads")
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assert _as_posix(result["thread_data"]["outputs_path"]).endswith("threads/thread-123/user-data/outputs")
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def test_before_agent_uses_thread_id_from_configurable_when_context_is_none(self, tmp_path, monkeypatch):
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middleware = ThreadDataMiddleware(base_dir=str(tmp_path), lazy_init=True)
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runtime = Runtime(context=None)
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monkeypatch.setattr(
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"langgraph.config.get_config",
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lambda: {"configurable": {"thread_id": "thread-from-config"}},
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)
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result = middleware.before_agent(state={}, runtime=runtime)
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assert result is not None
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assert _as_posix(result["thread_data"]["workspace_path"]).endswith("threads/thread-from-config/user-data/workspace")
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assert runtime.context is None
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def test_before_agent_uses_thread_id_from_configurable_when_context_missing_thread_id(self, tmp_path, monkeypatch):
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middleware = ThreadDataMiddleware(base_dir=str(tmp_path), lazy_init=True)
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runtime = Runtime(context={})
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monkeypatch.setattr(
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"langgraph.config.get_config",
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lambda: {"configurable": {"thread_id": "thread-from-config"}},
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)
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result = middleware.before_agent(state={}, runtime=runtime)
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assert result is not None
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assert _as_posix(result["thread_data"]["uploads_path"]).endswith("threads/thread-from-config/user-data/uploads")
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assert runtime.context == {}
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def test_before_agent_raises_clear_error_when_thread_id_missing_everywhere(self, tmp_path, monkeypatch):
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middleware = ThreadDataMiddleware(base_dir=str(tmp_path), lazy_init=True)
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monkeypatch.setattr(
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"langgraph.config.get_config",
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lambda: {"configurable": {}},
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)
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with pytest.raises(ValueError, match="Thread ID is required in runtime context or config.configurable"):
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middleware.before_agent(state={}, runtime=Runtime(context=None))
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