EvoScientist/tests/test_agent_factory_extensions.py

def test_create_cli_agent_accepts_host_backend_and_memory_options(
    monkeypatch, tmp_path
):
    import EvoScientist.EvoScientist as agent_module
    from EvoScientist.config.settings import EvoScientistConfig

    calls = {}
    workspace_backend = object()
    chat_model = object()

    class _CompositeBackend:
        def __init__(self, *, default, routes):
            calls["default_backend"] = default
            calls["routes"] = routes

    class _MemoryBackend:
        def __init__(self, **kwargs):
            calls["memory_backend_kwargs"] = kwargs

    class _SkillsBackend:
        def __init__(self, **kwargs):
            calls["skills_backend_kwargs"] = kwargs

    class _Agent:
        def with_config(self, config):
            calls["agent_config"] = config
            return self

    cfg = EvoScientistConfig(auto_approve=True, recursion_limit=321)

    monkeypatch.setattr("deepagents.backends.CompositeBackend", _CompositeBackend)
    monkeypatch.setattr("deepagents.create_deep_agent", lambda **kwargs: _Agent())
    monkeypatch.setattr("EvoScientist.backends.MemoryFilesystemBackend", _MemoryBackend)
    monkeypatch.setattr("EvoScientist.backends.MergedSkillsBackend", _SkillsBackend)
    monkeypatch.setattr(agent_module, "set_active_workspace", lambda path: None)
    monkeypatch.setattr(
        agent_module,
        "_get_default_middleware",
        lambda **kwargs: calls.setdefault("middleware_kwargs", kwargs) or [],
    )
    monkeypatch.setattr(
        agent_module,
        "load_mcp_and_build_kwargs",
        lambda *args, **kwargs: {"subagents": [{"name": "research"}]},
    )

    memory_dir = tmp_path / "memory"
    result = agent_module.create_cli_agent(
        workspace_dir=str(tmp_path / "workspace"),
        checkpointer=object(),
        config=cfg,
        chat_model=chat_model,
        workspace_backend=workspace_backend,
        memory_dir=memory_dir,
        tool_selector_threshold=8,
        memory_max_inline_profile_chars=1000,
        enable_subagents=False,
        enable_background_execution=False,
    )

    assert isinstance(result, _Agent)
    assert calls["default_backend"] is workspace_backend
    assert calls["memory_backend_kwargs"] == {
        "root_dir": str(memory_dir),
        "virtual_mode": True,
    }
    assert calls["middleware_kwargs"]["memory_dir"] == str(memory_dir)
    assert calls["middleware_kwargs"]["tool_selector_threshold"] == 8
    assert calls["middleware_kwargs"]["memory_max_inline_profile_chars"] == 1000
    assert calls["middleware_kwargs"]["enable_background_execution"] is False
    assert calls["agent_config"] == {"recursion_limit": 321}


def test_create_cli_agent_installs_route_middleware_in_fixed_slot(monkeypatch, tmp_path):
    import EvoScientist.EvoScientist as agent_module
    from EvoScientist.config.settings import EvoScientistConfig

    calls = {}

    class _Middleware:
        def __init__(self, name):
            self.name = name

    class _Backend:
        def __init__(self, **_kwargs):
            pass

    class _CompositeBackend:
        def __init__(self, **_kwargs):
            pass

    class _Agent:
        def with_config(self, _config):
            return self

    default_chain = [
        _Middleware("error_normalization"),
        _Middleware("configurable_model"),
        _Middleware("context_editing"),
        _Middleware("tool_protocol_guard"),
    ]
    route = _Middleware("gateway_route_fallback")

    monkeypatch.setattr("deepagents.backends.CompositeBackend", _CompositeBackend)
    monkeypatch.setattr("deepagents.create_deep_agent", lambda **_kwargs: _Agent())
    monkeypatch.setattr("EvoScientist.backends.MemoryFilesystemBackend", _Backend)
    monkeypatch.setattr("EvoScientist.backends.MergedSkillsBackend", _Backend)
    monkeypatch.setattr(agent_module, "set_active_workspace", lambda _path: None)
    def fake_default_middleware(**kwargs):
        calls["middleware_kwargs"] = kwargs
        return list(default_chain)

    monkeypatch.setattr(agent_module, "_get_default_middleware", fake_default_middleware)

    def fake_load(_backend, middleware, **_kwargs):
        calls["middleware"] = middleware
        return {"subagents": []}

    monkeypatch.setattr(agent_module, "load_mcp_and_build_kwargs", fake_load)

    agent_module.create_cli_agent(
        workspace_dir=str(tmp_path),
        checkpointer=object(),
        config=EvoScientistConfig(auto_approve=True),
        chat_model=object(),
        workspace_backend=object(),
        main_agent_route_middleware=route,
    )

    assert calls["middleware_kwargs"]["enable_legacy_model_fallback"] is False
    assert [middleware.name for middleware in calls["middleware"][:5]] == [
        "error_normalization",
        "configurable_model",
        "gateway_route_fallback",
        "context_editing",
        "tool_protocol_guard",
    ]