Xi Zhang
fb329e4aaa
* feat: add thread metadata index for improved performance in thread listing - Implemented a new SQLite index on the `checkpoints` table to optimize thread listing queries by indexing relevant metadata fields. - Updated the `list_threads` function to ensure the index is created if it does not exist. - Added a test to verify the creation of the metadata index during thread listing. feat: enhance workspace sidecar management with owner tracking - Modified the workspace sidecar to include `owner_pids` to track the current process owners. - Updated tests to validate the new owner tracking functionality and ensure proper behavior when managing workspace sidecars. chore: introduce model registry for streamlined model management - Created a new `registry.py` file to maintain a comprehensive model registry, including model names, IDs, providers, and routing tables. - Added functions to retrieve models by provider and list available models, enhancing the modularity and maintainability of model management. * feat: enhance workspace sidecar management and improve thread metadata indexing * fix(tests): ensure sidecar correctly registers owner with original workspace and pid * refactor: simplify workspace sidecar management by removing owner tracking * feat(server): add commands to manage background langgraph dev server - Introduced `server_app` for managing the langgraph dev server with commands to check status and stop the server. - Enhanced workspace sidecar management to include configuration fingerprint for drift detection. - Updated deployment functions to handle server configuration and state more effectively. * feat(server): enhance server status command to display PID with stale record warning * feat(langgraph_dev): exclusion-set config fingerprint, webui keepalive, unified stop guidance * fix(cli): platform-specific manual-stop hint; document keepalive endpoint-change limitation
570 lines
21 KiB
Python
570 lines
21 KiB
Python
"""Tests for the workspace-fingerprint sidecar protocol.
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When langgraph dev is reused across processes (e.g., TUI / serve detects
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a deploy-started instance on the configured port), the workspace recorded
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in the sidecar JSON must match the workspace requested by the caller. On
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mismatch we raise ``WorkspaceMismatchError`` so callers can surface a
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clear refuse-with-hint error rather than silently operating on the wrong
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project's files.
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Background: ``EvoSci deploy --workdir /A`` running + ``EvoSci`` (TUI) in
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/B previously took the "reuse externally-managed langgraph dev" branch
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in ``ensure_langgraph_dev`` and only logged a warning. The deployed
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sub-agents stayed pinned to /A while the TUI's main agent ran in /B,
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breaking ``task()`` delegations.
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"""
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from __future__ import annotations
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import dataclasses
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import json
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import pytest
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from EvoScientist.langgraph_dev import manager
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def test_sidecar_path_is_next_to_pid_file():
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"""Sidecar JSON lives at ``pid_dir / 'langgraph_dev.workspace.json'``."""
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assert (
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manager.RUNTIME.workspace_sidecar
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== manager.RUNTIME.pid_dir / "langgraph_dev.workspace.json"
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)
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def test_write_workspace_sidecar_records_workspace_and_pid(
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tmp_path, monkeypatch, runtime_paths
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):
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"""``_write_workspace_sidecar`` writes JSON with workspace + pid."""
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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workspace = tmp_path / "some" / "ws"
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manager._write_workspace_sidecar(workspace_dir=workspace, pid=12345)
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data = json.loads((tmp_path / "ws.json").read_text())
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assert data["workspace"] == str(workspace)
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assert data["pid"] == 12345
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def test_read_workspace_sidecar_returns_none_when_missing(
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tmp_path, monkeypatch, runtime_paths
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):
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "absent.json"),
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)
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assert manager._read_workspace_sidecar() is None
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def test_read_workspace_sidecar_returns_none_on_corrupt_json(
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tmp_path, monkeypatch, runtime_paths
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):
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sidecar = tmp_path / "bad.json"
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sidecar.write_text("not json at all")
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=sidecar),
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)
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assert manager._read_workspace_sidecar() is None
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@pytest.mark.parametrize(
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"payload",
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[
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"[]", # valid JSON, wrong top-level type
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"{}", # valid JSON dict but missing "workspace"
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'{"pid": 12345}', # valid JSON dict but missing "workspace"
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'"just a string"', # valid JSON scalar
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"null", # valid JSON null
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'{"workspace": null}', # workspace present but null → Path(None) TypeError
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'{"workspace": []}', # workspace present but list → Path([]) TypeError
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'{"workspace": 12345}', # workspace present but int → Path(int) TypeError
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'{"workspace": ""}', # workspace present but empty string → resolves to cwd
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],
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)
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def test_read_workspace_sidecar_returns_none_on_wrong_schema(
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payload, tmp_path, monkeypatch, runtime_paths
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):
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"""JSON that parses but doesn't match the expected schema must degrade
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to None — otherwise the reuse branch's ``Path(sidecar["workspace"]).resolve()``
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would raise KeyError/TypeError or silently resolve to cwd, surfacing as
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an unhandled exception or producing a misleading match check."""
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sidecar = tmp_path / "schema.json"
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sidecar.write_text(payload)
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=sidecar),
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)
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assert manager._read_workspace_sidecar() is None
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def test_read_workspace_sidecar_round_trip(tmp_path, monkeypatch, runtime_paths):
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "rt.json"),
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)
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workspace = tmp_path / "x" / "y"
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manager._write_workspace_sidecar(workspace_dir=workspace, pid=42)
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data = manager._read_workspace_sidecar()
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assert data == {"workspace": str(workspace), "pid": 42}
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def test_workspace_mismatch_error_is_runtime_error_subclass():
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assert issubclass(manager.WorkspaceMismatchError, RuntimeError)
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def test_ensure_langgraph_dev_refuses_on_workspace_mismatch(
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tmp_path, monkeypatch, runtime_paths
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):
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"""Cross-process reuse with sidecar workspace ≠ requested → raises."""
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ws_a = tmp_path / "A"
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ws_b = tmp_path / "B"
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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manager._write_workspace_sidecar(workspace_dir=ws_a, pid=99999)
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monkeypatch.setattr(manager, "is_langgraph_dev_running", lambda **_kw: True)
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monkeypatch.setattr(manager, "_PROCESS", None)
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monkeypatch.setattr(manager, "_PROCESS_WORKSPACE", None)
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cfg = manager.EvoScientistConfig()
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cfg.enable_async_subagents = True
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with pytest.raises(manager.WorkspaceMismatchError) as exc:
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manager.ensure_langgraph_dev(cfg, workspace_dir=ws_b)
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assert str(ws_a.resolve()) in str(exc.value)
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assert str(ws_b) in str(exc.value)
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# Without keepalive a mismatch means a live session — no stop suggestion,
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# keeping the message identical to pre-keepalive behavior.
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assert "EvoSci server stop" not in str(exc.value)
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def test_mismatch_error_suggests_server_stop_under_keepalive(
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tmp_path, monkeypatch, runtime_paths
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):
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"""With keepalive on, the leftover may be ownerless — the error points at
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`EvoSci server stop`, which kills AND cleans the records (a raw kill
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would leave stale files behind)."""
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ws_a = tmp_path / "A"
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ws_b = tmp_path / "B"
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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manager._write_workspace_sidecar(workspace_dir=ws_a, pid=99999)
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monkeypatch.setattr(manager, "is_langgraph_dev_running", lambda **_kw: True)
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monkeypatch.setattr(manager, "_PROCESS", None)
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monkeypatch.setattr(manager, "_PROCESS_WORKSPACE", None)
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cfg = manager.EvoScientistConfig()
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cfg.enable_async_subagents = True
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cfg.langgraph_dev_keepalive = True
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with pytest.raises(manager.WorkspaceMismatchError) as exc:
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manager.ensure_langgraph_dev(cfg, workspace_dir=ws_b)
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assert "EvoSci server stop" in str(exc.value)
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def test_ensure_langgraph_dev_refuses_on_mismatch_with_stale_process(
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tmp_path, monkeypatch, runtime_paths
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):
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"""A non-None but dead ``_PROCESS`` handle must NOT short-circuit the
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sidecar check. Regression for the case where our subprocess exited and a
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different langgraph dev rebound the port."""
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ws_a = tmp_path / "A"
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ws_b = tmp_path / "B"
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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manager._write_workspace_sidecar(workspace_dir=ws_a, pid=99999)
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class _DeadProc:
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def poll(self):
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return 1 # non-None → process has exited
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monkeypatch.setattr(manager, "is_langgraph_dev_running", lambda **_kw: True)
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monkeypatch.setattr(manager, "_PROCESS", _DeadProc())
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# _PROCESS_WORKSPACE matches ws_b so the earlier owned-restart branch (which
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# also gates on _PROCESS.poll() is None) doesn't fire on this dead handle.
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monkeypatch.setattr(manager, "_PROCESS_WORKSPACE", ws_b)
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cfg = manager.EvoScientistConfig()
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cfg.enable_async_subagents = True
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with pytest.raises(manager.WorkspaceMismatchError):
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manager.ensure_langgraph_dev(cfg, workspace_dir=ws_b)
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def test_ensure_langgraph_dev_reuses_when_workspace_matches(
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tmp_path, monkeypatch, runtime_paths
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):
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"""Cross-process reuse with matching sidecar workspace → no raise."""
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ws_a = tmp_path / "A"
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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manager._write_workspace_sidecar(workspace_dir=ws_a, pid=99999)
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monkeypatch.setattr(manager, "is_langgraph_dev_running", lambda **_kw: True)
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monkeypatch.setattr(manager, "_PROCESS", None)
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monkeypatch.setattr(manager, "_PROCESS_WORKSPACE", None)
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cfg = manager.EvoScientistConfig()
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cfg.enable_async_subagents = True
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# Should NOT raise.
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manager.ensure_langgraph_dev(cfg, workspace_dir=ws_a)
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def test_ensure_langgraph_dev_reuses_when_sidecar_missing(
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tmp_path, monkeypatch, runtime_paths
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):
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"""Backward compat: pre-feature langgraph dev (no sidecar) falls back to
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the existing log-warning behavior rather than refusing."""
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "absent.json"),
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)
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monkeypatch.setattr(manager, "is_langgraph_dev_running", lambda **_kw: True)
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monkeypatch.setattr(manager, "_PROCESS", None)
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monkeypatch.setattr(manager, "_PROCESS_WORKSPACE", None)
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cfg = manager.EvoScientistConfig()
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cfg.enable_async_subagents = True
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# Should NOT raise — degrades to the prior reuse-with-warning branch.
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manager.ensure_langgraph_dev(cfg, workspace_dir=tmp_path / "B")
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def test_stop_langgraph_dev_removes_sidecar(tmp_path, monkeypatch, runtime_paths):
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"""``stop_langgraph_dev`` should unlink the sidecar alongside the PID file."""
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sidecar = tmp_path / "ws.json"
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pid_file = tmp_path / "pid.txt"
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(
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runtime_paths, workspace_sidecar=sidecar, pid_file=pid_file
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),
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)
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manager._write_workspace_sidecar(workspace_dir=tmp_path / "x", pid=42)
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assert sidecar.exists()
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# _PROCESS is None so stop_langgraph_dev shouldn't try to kill anything;
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# we're only verifying the sidecar cleanup path here.
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monkeypatch.setattr(manager, "_PROCESS", None)
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manager.stop_langgraph_dev()
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assert not sidecar.exists()
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def test_keepalive_skips_atexit_registration(tmp_path, monkeypatch, runtime_paths):
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"""keepalive=True leaves the server running on exit; False registers stop."""
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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monkeypatch.setattr(manager, "is_langgraph_dev_running", lambda **_kw: False)
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monkeypatch.setattr(manager, "_PROCESS", None)
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monkeypatch.setattr(manager, "_PROCESS_WORKSPACE", None)
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fake_proc = object()
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monkeypatch.setattr(manager, "start_langgraph_dev", lambda **kw: fake_proc)
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registered = []
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monkeypatch.setattr(
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manager.atexit, "register", lambda *a, **kw: registered.append(a)
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)
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cfg = manager.EvoScientistConfig()
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assert cfg.langgraph_dev_keepalive is False, "keepalive must default to off"
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cfg.enable_async_subagents = True
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cfg.langgraph_dev_keepalive = True
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assert manager.ensure_langgraph_dev(cfg, workspace_dir=tmp_path / "A") is fake_proc
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assert registered == []
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cfg.langgraph_dev_keepalive = False
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assert manager.ensure_langgraph_dev(cfg, workspace_dir=tmp_path / "A") is fake_proc
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assert registered
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assert registered[0][0] is manager.stop_langgraph_dev
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# ---------------------------------------------------------------------------
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# Config fingerprint + drift detection + explicit server stop
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# ---------------------------------------------------------------------------
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def _dead_pid() -> int:
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"""Spawn-and-reap a process so its pid is reliably dead."""
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import subprocess
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import sys
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proc = subprocess.Popen([sys.executable, "-c", "pass"])
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proc.wait()
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return proc.pid
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def test_sidecar_records_config_fingerprint_when_passed(
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tmp_path, monkeypatch, runtime_paths
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):
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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manager._write_workspace_sidecar(
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workspace_dir=tmp_path / "ws", pid=1, config_fingerprint="abc123"
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)
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assert json.loads((tmp_path / "ws.json").read_text())["config_fingerprint"] == (
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"abc123"
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)
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def test_server_config_fingerprint_tracks_relevant_fields():
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cfg = manager.EvoScientistConfig()
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base = manager._server_config_fingerprint(cfg)
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assert base == manager._server_config_fingerprint(cfg), "must be deterministic"
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cfg.model = "some-other-model"
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assert manager._server_config_fingerprint(cfg) != base
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def _reuse_setup(tmp_path, monkeypatch, runtime_paths, fingerprint):
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
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)
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manager._write_workspace_sidecar(
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workspace_dir=tmp_path / "A", pid=99999, config_fingerprint=fingerprint
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)
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monkeypatch.setattr(manager, "is_langgraph_dev_running", lambda **_kw: True)
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monkeypatch.setattr(manager, "_PROCESS", None)
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monkeypatch.setattr(manager, "_PROCESS_WORKSPACE", None)
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cfg = manager.EvoScientistConfig()
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cfg.enable_async_subagents = True
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return cfg
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def test_reuse_sets_drift_flag_on_fingerprint_mismatch(
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tmp_path, monkeypatch, runtime_paths
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):
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cfg = _reuse_setup(tmp_path, monkeypatch, runtime_paths, "stale-fingerprint")
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manager.ensure_langgraph_dev(cfg, workspace_dir=tmp_path / "A")
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assert manager.CONFIG_DRIFT_SINCE_LAUNCH is True
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def test_reuse_clears_drift_flag_on_matching_fingerprint(
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tmp_path, monkeypatch, runtime_paths
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):
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cfg = manager.EvoScientistConfig()
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cfg.enable_async_subagents = True
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fp = manager._server_config_fingerprint(cfg)
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cfg2 = _reuse_setup(tmp_path, monkeypatch, runtime_paths, fp)
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manager.ensure_langgraph_dev(cfg2, workspace_dir=tmp_path / "A")
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assert manager.CONFIG_DRIFT_SINCE_LAUNCH is False
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def test_stop_recorded_server_none_when_no_pid_file(
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tmp_path, monkeypatch, runtime_paths
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):
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monkeypatch.setattr(manager, "RUNTIME", runtime_paths)
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monkeypatch.setattr(manager, "_PROCESS", None)
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assert manager.stop_recorded_server() is None
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def test_stop_recorded_server_cleans_stale_files_for_dead_pid(
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tmp_path, monkeypatch, runtime_paths
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):
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pid_file = tmp_path / "pid.txt"
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sidecar = tmp_path / "ws.json"
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pid_file.write_text(str(_dead_pid()))
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sidecar.write_text(json.dumps({"workspace": "/a", "pid": 1}))
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(
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runtime_paths, pid_file=pid_file, workspace_sidecar=sidecar
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),
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)
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monkeypatch.setattr(manager, "_PROCESS", None)
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assert manager.stop_recorded_server() is None
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assert not pid_file.exists()
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assert not sidecar.exists()
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def test_stop_recorded_server_refuses_foreign_process(
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tmp_path, monkeypatch, runtime_paths
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):
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import subprocess
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import sys
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victim = subprocess.Popen([sys.executable, "-c", "import time; time.sleep(30)"])
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try:
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pid_file = tmp_path / "pid.txt"
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pid_file.write_text(str(victim.pid))
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(runtime_paths, pid_file=pid_file),
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)
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monkeypatch.setattr(manager, "_PROCESS", None)
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assert manager.stop_recorded_server() is None
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assert victim.poll() is None, "foreign process must not be killed"
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finally:
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victim.kill()
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victim.wait()
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def test_stop_recorded_server_kills_owned_langgraph_process(
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tmp_path, monkeypatch, runtime_paths
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):
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import subprocess
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import sys
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victim = subprocess.Popen(
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[sys.executable, "-c", "import time; time.sleep(30)", "langgraph"]
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)
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try:
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pid_file = tmp_path / "pid.txt"
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sidecar = tmp_path / "ws.json"
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pid_file.write_text(str(victim.pid))
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sidecar.write_text(json.dumps({"workspace": "/a", "pid": victim.pid}))
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monkeypatch.setattr(
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manager,
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"RUNTIME",
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dataclasses.replace(
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runtime_paths, pid_file=pid_file, workspace_sidecar=sidecar
|
|
),
|
|
)
|
|
monkeypatch.setattr(manager, "_PROCESS", None)
|
|
assert manager.stop_recorded_server() == victim.pid
|
|
assert victim.poll() is not None, "owned langgraph process must be stopped"
|
|
assert not pid_file.exists()
|
|
assert not sidecar.exists()
|
|
finally:
|
|
if victim.poll() is None:
|
|
victim.kill()
|
|
victim.wait()
|
|
|
|
|
|
def test_stop_recorded_server_cleans_corrupt_pid_file(
|
|
tmp_path, monkeypatch, runtime_paths
|
|
):
|
|
"""A corrupt PID file is cleaned up, matching the docstring's promise."""
|
|
pid_file = tmp_path / "pid.txt"
|
|
pid_file.write_text("not-a-pid")
|
|
monkeypatch.setattr(
|
|
manager,
|
|
"RUNTIME",
|
|
dataclasses.replace(runtime_paths, pid_file=pid_file),
|
|
)
|
|
monkeypatch.setattr(manager, "_PROCESS", None)
|
|
assert manager.stop_recorded_server() is None
|
|
assert not pid_file.exists()
|
|
|
|
|
|
def test_server_config_fingerprint_tracks_dangerous_mode():
|
|
cfg = manager.EvoScientistConfig()
|
|
base = manager._server_config_fingerprint(cfg)
|
|
cfg.dangerous_mode = True
|
|
assert manager._server_config_fingerprint(cfg) != base
|
|
|
|
|
|
def test_pid_serves_port_matrix():
|
|
import subprocess
|
|
import sys
|
|
|
|
assert manager._pid_serves_port(None, 6174) is False
|
|
assert manager._pid_serves_port(True, 6174) is False
|
|
assert manager._pid_serves_port(-1, 6174) is False
|
|
|
|
victim = subprocess.Popen(
|
|
[sys.executable, "-c", "import time; time.sleep(30)", "langgraph", "6174"]
|
|
)
|
|
try:
|
|
assert manager._pid_serves_port(victim.pid, 6174) is True
|
|
assert manager._pid_serves_port(victim.pid, 9999) is False, (
|
|
"must not attribute a server bound to a different port"
|
|
)
|
|
finally:
|
|
victim.kill()
|
|
victim.wait()
|
|
assert manager._pid_serves_port(victim.pid, 6174) is False, "dead pid"
|
|
|
|
|
|
def test_server_config_fingerprint_covers_new_fields_by_default():
|
|
"""The fingerprint iterates the dataclass minus an exclusion set, so
|
|
server-affecting values din0s called out — reasoning effort, provider
|
|
keys/base URLs — count without per-field registration."""
|
|
cfg = manager.EvoScientistConfig()
|
|
base = manager._server_config_fingerprint(cfg)
|
|
cfg.reasoning_effort = "definitely-different"
|
|
after_effort = manager._server_config_fingerprint(cfg)
|
|
assert after_effort != base
|
|
cfg.anthropic_base_url = "https://proxy.example"
|
|
assert manager._server_config_fingerprint(cfg) != after_effort
|
|
|
|
|
|
def test_server_config_fingerprint_ignores_cli_only_fields():
|
|
"""Channel/UI-side fields never reach the server — no spurious drift."""
|
|
cfg = manager.EvoScientistConfig()
|
|
base = manager._server_config_fingerprint(cfg)
|
|
cfg.show_thinking = not cfg.show_thinking
|
|
cfg.telegram_bot_token = "tg-token"
|
|
cfg.langgraph_dev_keepalive = True
|
|
assert manager._server_config_fingerprint(cfg) == base
|
|
|
|
|
|
def test_sidecar_records_deploy_mode(tmp_path, monkeypatch, runtime_paths):
|
|
monkeypatch.setattr(
|
|
manager,
|
|
"RUNTIME",
|
|
dataclasses.replace(runtime_paths, workspace_sidecar=tmp_path / "ws.json"),
|
|
)
|
|
manager._write_workspace_sidecar(
|
|
workspace_dir=tmp_path / "ws", pid=1, deploy_mode=False
|
|
)
|
|
assert json.loads((tmp_path / "ws.json").read_text())["deploy_mode"] is False
|
|
|
|
|
|
def test_server_config_fingerprint_ignores_shell_allow_list():
|
|
"""shell_allow_list is read only by CLI/channel approval resolvers —
|
|
it never reaches the subprocess, so it must not cause drift."""
|
|
cfg = manager.EvoScientistConfig()
|
|
base = manager._server_config_fingerprint(cfg)
|
|
cfg.shell_allow_list = "git status,ls"
|
|
assert manager._server_config_fingerprint(cfg) == base
|
|
|
|
|
|
def test_server_config_fingerprint_tracks_mcp_yaml_content(tmp_path, monkeypatch):
|
|
from EvoScientist.config import settings as settings_mod
|
|
|
|
monkeypatch.setattr(settings_mod, "get_config_dir", lambda: tmp_path)
|
|
cfg = manager.EvoScientistConfig()
|
|
base = manager._server_config_fingerprint(cfg)
|
|
(tmp_path / "mcp.yaml").write_text("server-a:\n transport: stdio\n")
|
|
changed = manager._server_config_fingerprint(cfg)
|
|
assert changed != base
|
|
(tmp_path / "mcp.yaml").write_text("server-b:\n transport: http\n")
|
|
assert manager._server_config_fingerprint(cfg) != changed
|
|
|
|
|
|
def test_server_config_fingerprint_tracks_subagent_yaml_content(tmp_path, monkeypatch):
|
|
fake_dir = tmp_path / "subagents"
|
|
fake_dir.mkdir()
|
|
(fake_dir / "research.yaml").write_text("name: research\nprompt: v1\n")
|
|
monkeypatch.setattr(manager, "_SUBAGENTS_DIR", fake_dir)
|
|
cfg = manager.EvoScientistConfig()
|
|
base = manager._server_config_fingerprint(cfg)
|
|
(fake_dir / "research.yaml").write_text("name: research\nprompt: v2\n")
|
|
assert manager._server_config_fingerprint(cfg) != base
|