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Python

"""Tests for sustained goal tools (``create_goal``, ``update_goal``)."""
from __future__ import annotations
import asyncio
from unittest.mock import AsyncMock, MagicMock
import pytest
from nanobot.agent.goal_permission import goal_mutation_allowed, goal_mutation_permission
from nanobot.agent.loop import AgentLoop
from nanobot.agent.tools.context import (
RequestContext,
current_request_context,
request_context,
)
from nanobot.agent.tools.long_task import (
CreateGoalTool,
UpdateGoalTool,
)
from nanobot.agent.tools.registry import ToolRegistry
from nanobot.bus.outbound_events import GoalStateSyncEvent
from nanobot.bus.queue import MessageBus
from nanobot.bus.runtime_events import RuntimeEventBus
from nanobot.session.goal_state import GOAL_STATE_KEY, MAX_GOAL_OBJECTIVE_CHARS
from nanobot.session.manager import SessionManager
from nanobot.session.turn_continuation import should_finalize_on_max_iterations
from nanobot.session.webui_turns import WebuiTurnCoordinator
def _goal_metadata() -> dict[str, object]:
return {
"original_command": "/goal",
"original_content": "/goal implement the agreed plan",
"goal_requested": True,
}
def _request_context(
*,
chat_id: str = "c1",
metadata: dict[str, object] | None = None,
original_user_text: str | None = "/goal implement the agreed plan",
channel: str = "websocket",
) -> RequestContext:
return RequestContext(
channel=channel,
chat_id=chat_id,
session_key=f"{channel}:{chat_id}",
original_user_text=original_user_text,
metadata=metadata if metadata is not None else _goal_metadata(),
)
def _tools(
sm: SessionManager,
*,
metadata: dict[str, object] | None = None,
) -> tuple[CreateGoalTool, UpdateGoalTool, RequestContext]:
create = CreateGoalTool(sessions=sm)
update = UpdateGoalTool(sessions=sm)
rc = _request_context(metadata=metadata)
return create, update, rc
async def _execute(tool, ctx: RequestContext, *, allowed: bool = True, **kwargs):
with request_context(ctx), goal_mutation_permission(allowed):
return await tool.execute(**kwargs)
@pytest.mark.asyncio
async def test_create_goal_records_goal_metadata(tmp_path):
sm = SessionManager(tmp_path)
create, _update, ctx = _tools(sm)
sm.get_or_create("websocket:c1").metadata["_sustained_goal_continuation_rounds"] = 12
out = await _execute(
create,
ctx,
objective="Do the thing",
ui_summary="thing",
)
assert "Goal recorded" in out
sess = sm.get_or_create("websocket:c1")
blob = sess.metadata.get(GOAL_STATE_KEY)
assert isinstance(blob, dict)
assert blob["status"] == "active"
assert blob["objective"] == "Do the thing"
assert blob["ui_summary"] == "thing"
assert "_sustained_goal_continuation_rounds" not in sess.metadata
assert "_sustained_goal_continuation_rounds" not in (
SessionManager(tmp_path).get_or_create("websocket:c1").metadata
)
assert not should_finalize_on_max_iterations(
pending_queue_available=True,
session_metadata=sess.metadata,
)
@pytest.mark.asyncio
async def test_create_goal_rejects_without_explicit_goal_permission(tmp_path):
sm = SessionManager(tmp_path)
create, _update, ctx = _tools(sm)
sess = sm.get_or_create("websocket:c1")
sess.add_message("user", "/goal implement the old plan")
sess.add_message("assistant", "The old goal is complete.")
sess.add_message("user", "Handle this as an ordinary one-time task.")
out = await _execute(
create,
ctx,
allowed=False,
objective="Implement another plan.",
)
assert "create_goal is unavailable for this turn" in str(out)
assert "/goal <task>" in str(out)
assert GOAL_STATE_KEY not in sess.metadata
@pytest.mark.asyncio
async def test_update_goal_complete_closes_active_goal(tmp_path):
sm = SessionManager(tmp_path)
create, update, ctx = _tools(sm)
with request_context(ctx), goal_mutation_permission(True):
await create.execute(objective="X")
out = await update.execute(action="complete", recap="Done.")
denied = await create.execute(objective="Another")
assert goal_mutation_allowed() is False
assert "marked complete" in out
assert "create_goal is unavailable for this turn" in str(denied)
sess = sm.get_or_create("websocket:c1")
blob = sess.metadata.get(GOAL_STATE_KEY)
assert blob["status"] == "completed"
assert blob["recap"] == "Done."
@pytest.mark.asyncio
async def test_update_goal_replace_keeps_goal_active_with_new_objective(tmp_path):
sm = SessionManager(tmp_path)
create, update, ctx = _tools(sm)
await _execute(create, ctx, objective="Old")
sess = sm.get_or_create("websocket:c1")
sess.metadata["_sustained_goal_continuation_rounds"] = 12
sm.save(sess)
out = await _execute(
update,
_request_context(),
action="replace",
objective="New",
ui_summary="new",
)
assert "Goal replaced" in out
blob = sm.get_or_create("websocket:c1").metadata[GOAL_STATE_KEY]
assert blob["status"] == "active"
assert blob["objective"] == "New"
assert blob["previous_objective"] == "Old"
assert blob["ui_summary"] == "new"
assert "_sustained_goal_continuation_rounds" not in sess.metadata
assert "_sustained_goal_continuation_rounds" not in (
SessionManager(tmp_path).get_or_create("websocket:c1").metadata
)
assert not should_finalize_on_max_iterations(
pending_queue_available=True,
session_metadata=sess.metadata,
)
@pytest.mark.asyncio
async def test_goal_state_mutations_roll_back_on_save_failure(tmp_path, monkeypatch):
sm = SessionManager(tmp_path)
create, update, _context = _tools(sm)
sess = sm.get_or_create("websocket:c1")
sess.metadata["marker"] = {"keep": True}
sess.metadata["_sustained_goal_continuation_rounds"] = 12
original_save = sm.save
create_context = _request_context()
def fail_save(_session, **_kwargs):
raise OSError("disk unavailable")
monkeypatch.setattr(sm, "save", fail_save)
with pytest.raises(OSError, match="disk unavailable"):
await _execute(create, create_context, objective="Old")
assert sess.metadata == {
"marker": {"keep": True},
"_sustained_goal_continuation_rounds": 12,
}
assert GOAL_STATE_KEY not in SessionManager(tmp_path).get_or_create("websocket:c1").metadata
monkeypatch.setattr(sm, "save", original_save)
assert "Goal recorded" in await _execute(create, create_context, objective="Old")
sess.metadata["_sustained_goal_continuation_rounds"] = 12
sm.save(sess)
replace_context = _request_context()
monkeypatch.setattr(sm, "save", fail_save)
with pytest.raises(OSError, match="disk unavailable"):
await _execute(update, replace_context, action="replace", objective="New")
assert sess.metadata[GOAL_STATE_KEY]["objective"] == "Old"
assert sess.metadata["_sustained_goal_continuation_rounds"] == 12
persisted = SessionManager(tmp_path).get_or_create("websocket:c1").metadata
assert persisted[GOAL_STATE_KEY]["objective"] == "Old"
assert persisted["_sustained_goal_continuation_rounds"] == 12
monkeypatch.setattr(sm, "save", original_save)
assert "Goal replaced" in await _execute(
update,
replace_context,
action="replace",
objective="New",
)
assert "_sustained_goal_continuation_rounds" not in sess.metadata
assert (
SessionManager(tmp_path).get_or_create("websocket:c1").metadata[GOAL_STATE_KEY]["objective"]
== "New"
)
@pytest.mark.asyncio
async def test_goal_tools_reject_oversized_objectives(tmp_path):
sm = SessionManager(tmp_path)
create = CreateGoalTool(sessions=sm)
create_context = _request_context()
oversized = "x" * (MAX_GOAL_OBJECTIVE_CHARS + 1)
create_out = await _execute(create, create_context, objective=oversized)
assert f"must not exceed {MAX_GOAL_OBJECTIVE_CHARS}" in str(create_out)
assert GOAL_STATE_KEY not in sm.get_or_create("websocket:c1").metadata
assert "Goal recorded" in await _execute(
create,
create_context,
objective="x" * MAX_GOAL_OBJECTIVE_CHARS,
)
update = UpdateGoalTool(sessions=sm)
replace_context = _request_context()
replace_out = await _execute(update, replace_context, action="replace", objective=oversized)
assert f"must not exceed {MAX_GOAL_OBJECTIVE_CHARS}" in str(replace_out)
assert len(sm.get_or_create("websocket:c1").metadata[GOAL_STATE_KEY]["objective"]) == (
MAX_GOAL_OBJECTIVE_CHARS
)
@pytest.mark.asyncio
async def test_active_goal_create_failure_preserves_permission_for_replace(tmp_path):
sm = SessionManager(tmp_path)
create, update, initial_context = _tools(sm)
assert "Goal recorded" in await _execute(create, initial_context, objective="Old")
replacement_context = _request_context()
with request_context(replacement_context), goal_mutation_permission(True):
create_out = await create.execute(objective="New")
assert goal_mutation_allowed() is True
replace_out = await update.execute(action="replace", objective="New")
assert goal_mutation_allowed() is True
assert "already active" in str(create_out)
assert "Goal replaced" in replace_out
@pytest.mark.asyncio
async def test_update_goal_replace_requires_explicit_goal_permission(tmp_path):
sm = SessionManager(tmp_path)
create, update, initial_context = _tools(sm)
assert "Goal recorded" in await _execute(create, initial_context, objective="Old")
ordinary_context = _request_context(original_user_text="Continue the existing objective.")
unauthorized = await _execute(
update,
ordinary_context,
allowed=False,
action="replace",
objective="Unrequested",
)
assert "replacing the goal is unavailable for this turn" in str(unauthorized)
assert "/goal <task>" in str(unauthorized)
assert sm.get_or_create("websocket:c1").metadata[GOAL_STATE_KEY]["objective"] == "Old"
replace_context = _request_context()
with request_context(replace_context), goal_mutation_permission(True):
assert "Goal replaced" in await update.execute(action="replace", objective="New")
reused = await update.execute(action="replace", objective="Another")
assert goal_mutation_allowed() is True
assert "Goal replaced" in reused
assert sm.get_or_create("websocket:c1").metadata[GOAL_STATE_KEY]["objective"] == "Another"
@pytest.mark.asyncio
async def test_goal_tools_keep_request_context_per_task(tmp_path):
sm = SessionManager(tmp_path)
create = CreateGoalTool(sessions=sm)
update = UpdateGoalTool(sessions=sm)
ctx_a = RequestContext(
channel="websocket",
chat_id="a",
session_key="websocket:a",
metadata=_goal_metadata(),
)
ctx_b = RequestContext(
channel="websocket",
chat_id="b",
session_key="websocket:b",
metadata=_goal_metadata(),
)
task_a = asyncio.create_task(_execute(create, ctx_a, objective="Goal A"))
task_b = asyncio.create_task(_execute(create, ctx_b, objective="Goal B"))
await asyncio.gather(task_a, task_b)
assert sm.get_or_create("websocket:a").metadata[GOAL_STATE_KEY]["objective"] == "Goal A"
assert sm.get_or_create("websocket:b").metadata[GOAL_STATE_KEY]["objective"] == "Goal B"
a_revoked = asyncio.Event()
async def complete_a() -> None:
with request_context(ctx_a), goal_mutation_permission(True):
await update.execute(action="complete", recap="Done A")
assert goal_mutation_allowed() is False
a_revoked.set()
async def replace_b() -> None:
with request_context(ctx_b), goal_mutation_permission(True):
await a_revoked.wait()
assert goal_mutation_allowed() is True
await update.execute(action="replace", objective="Goal B2")
await asyncio.gather(complete_a(), replace_b())
assert sm.get_or_create("websocket:a").metadata[GOAL_STATE_KEY]["recap"] == "Done A"
assert sm.get_or_create("websocket:b").metadata[GOAL_STATE_KEY]["objective"] == "Goal B2"
@pytest.mark.asyncio
async def test_registry_does_not_reuse_goal_context_after_request_scope(tmp_path):
sm = SessionManager(tmp_path)
create = CreateGoalTool(sessions=sm)
update = UpdateGoalTool(sessions=sm)
registry = ToolRegistry()
registry.register(create)
registry.register(update)
sess = sm.get_or_create("websocket:c1")
sess.metadata[GOAL_STATE_KEY] = {"status": "active", "objective": "Old"}
sm.save(sess)
ctx = _request_context()
with request_context(ctx), goal_mutation_permission(True):
create_out = await registry.execute("create_goal", {"objective": "New"})
complete_out = await registry.execute(
"update_goal",
{"action": "complete", "recap": "Old goal done."},
)
denied_out = await registry.execute("create_goal", {"objective": "Denied"})
assert goal_mutation_allowed() is False
assert "already active" in str(create_out)
assert "marked complete" in str(complete_out)
assert "create_goal is unavailable for this turn" in str(denied_out)
assert current_request_context() is None
leaked_out = await registry.execute("create_goal", {"objective": "Leaked"})
assert "missing routing context" in str(leaked_out)
assert sess.metadata[GOAL_STATE_KEY]["status"] == "completed"
@pytest.mark.asyncio
async def test_goal_state_events_publish_active_then_inactive(tmp_path):
bus = MagicMock()
bus.publish_outbound = AsyncMock()
runtime_events = RuntimeEventBus()
sm = SessionManager(tmp_path)
WebuiTurnCoordinator(
bus=bus,
sessions=sm,
schedule_background=lambda _coro: None,
).subscribe(runtime_events)
create = CreateGoalTool(sessions=sm, runtime_events=runtime_events)
update = UpdateGoalTool(sessions=sm, runtime_events=runtime_events)
rc = _request_context(chat_id="chat-99")
await _execute(
create,
rc,
objective="Objective alpha",
ui_summary="alpha",
)
bus.publish_outbound.assert_awaited_once()
call = bus.publish_outbound.await_args.args[0]
assert call.channel == "websocket"
assert call.chat_id == "chat-99"
assert isinstance(call.event, GoalStateSyncEvent)
assert call.event.goal_state == {
"active": True,
"ui_summary": "alpha",
"objective": "Objective alpha",
}
bus.publish_outbound.reset_mock()
await _execute(
update,
RequestContext(
channel="websocket",
chat_id="chat-99",
session_key="websocket:chat-99",
),
action="complete",
recap="Done.",
)
bus.publish_outbound.assert_awaited_once()
call = bus.publish_outbound.await_args.args[0]
assert isinstance(call.event, GoalStateSyncEvent)
assert call.event.goal_state == {"active": False}
@pytest.mark.asyncio
async def test_update_goal_without_active_is_noop_message(tmp_path):
sm = SessionManager(tmp_path)
_create, update, ctx = _tools(sm)
out = await _execute(update, ctx, action="complete", recap="n/a")
assert "No active" in out
@pytest.mark.asyncio
async def test_goal_tools_registered_in_base_registry(tmp_path):
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(bus=bus, provider=provider, workspace=tmp_path, model="test-model")
create = loop.tools.get("create_goal")
update = loop.tools.get("update_goal")
assert create is not None and create.name == "create_goal"
assert update is not None and update.name == "update_goal"
assert set(create.parameters["properties"]) == {"objective", "ui_summary"}
assert create.parameters["required"] == ["objective"]
assert (
create.parameters["properties"]["objective"]["maxLength"]
== MAX_GOAL_OBJECTIVE_CHARS
)
assert (
update.parameters["properties"]["objective"]["maxLength"]
== MAX_GOAL_OBJECTIVE_CHARS
)
model_visible_contract = " ".join(
(
create.description,
str(create.parameters),
update.description,
str(update.parameters),
)
).lower()
assert "authoriz" not in model_visible_contract
assert "/goal" not in model_visible_contract