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Renn F
41ef7f6b4e
_check_pm_decision_required now requires the latest journal:decision within pm_decision_window_seconds (default 300). Older decisions no longer satisfy the gate. Adds JournalService.latest_decision_at. Future-tighten (out of scope): per-verb-group consumption tracking would need persistent state — Choreographer is per-request today.
253 lines
8.3 KiB
Python
253 lines
8.3 KiB
Python
"""Gate Set B: delegation-time guards in Choreographer.delegate.
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Pre-gateway behavior: a PM could only call ``task_create`` while spawned
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in-context, which only happened after the orchestrator saw them claim
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and start a parent task. That implicit gate is restored explicitly here:
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- PARENT_NOT_CLAIMED: parent must be in_progress AND assigned_to PM.
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- SUBTASK_CAP: 8 children = soft warn (allowed), >12 = hard block.
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"""
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from __future__ import annotations
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from datetime import UTC, datetime
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from typing import Any
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from unittest.mock import AsyncMock, MagicMock
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from uuid import uuid4
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import pytest
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from roboco.services.gateway.choreographer import (
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Choreographer,
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ChoreographerDeps,
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DelegateInputs,
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)
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def _make_deps(**overrides: Any) -> ChoreographerDeps:
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base: dict[str, Any] = {
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"task": AsyncMock(),
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"work_session": AsyncMock(),
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"git": AsyncMock(),
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"a2a": AsyncMock(),
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"journal": AsyncMock(),
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"audit": AsyncMock(),
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"evidence_repo": AsyncMock(),
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}
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base.update(overrides)
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repo = base["evidence_repo"]
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for method in (
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"list_unread_a2a",
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"list_unread_mentions",
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"list_pending_notifications",
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"task_metadata_gaps",
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"recent_team_activity",
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"blockers_in_lane",
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"journal_highlights_for_task",
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):
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getattr(repo, method).return_value = []
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# C8: default-fresh journal:decision so PM-decision gate passes.
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# Tests that exercise the gate boundary stub their own value.
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# The check matches MagicMock and AsyncMock (the two default sentinel
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# types pytest's unittest.mock leaves on un-stubbed return_values).
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_ldef = base["journal"].latest_decision_at.return_value
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if type(_ldef).__name__ in ("MagicMock", "AsyncMock"):
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base["journal"].latest_decision_at.return_value = datetime.now(UTC)
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return ChoreographerDeps(**base)
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def _delegate_inputs() -> DelegateInputs:
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return DelegateInputs(
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title="Implement endpoint",
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description="Add /v1/foo endpoint with tests",
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assigned_to="be-dev-1",
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team="backend",
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task_type="code",
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nature="technical",
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acceptance_criteria=["GET /v1/foo returns 200 with body"],
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)
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@pytest.mark.asyncio
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async def test_delegate_blocks_when_parent_not_in_progress() -> None:
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"""Parent in 'pending' status (PM never called i_will_plan) blocks delegate."""
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pm_id = uuid4()
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parent_id = uuid4()
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parent = MagicMock(
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id=parent_id,
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project_id=uuid4(),
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status="pending",
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assigned_to=pm_id,
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)
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task_svc = AsyncMock()
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task_svc.get.return_value = parent
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task_svc.agent_for.return_value = MagicMock(role="cell_pm", team="backend")
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task_svc.get_subtasks.return_value = []
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deps = _make_deps(task=task_svc)
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c = Choreographer(deps)
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env = await c.delegate(pm_id, parent_id, _delegate_inputs())
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body = env.as_dict()
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# The spec's create_subtask gate requires the parent in_progress.
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# Per Section 6 of the design doc, rejection messages now come from
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# the spec — the spec rejects with 'invalid_state' citing the
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# source-status set, not the gateway-specific i_will_plan hint.
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assert body["error"] == "invalid_state"
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assert "in_progress" in body["message"]
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task_svc.create_subtask.assert_not_awaited()
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@pytest.mark.asyncio
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async def test_delegate_blocks_when_parent_assigned_to_other_agent() -> None:
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"""Parent claimed by a different PM cannot be delegated against by us."""
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pm_id = uuid4()
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other_pm_id = uuid4()
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parent_id = uuid4()
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parent = MagicMock(
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id=parent_id,
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project_id=uuid4(),
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status="in_progress",
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assigned_to=other_pm_id,
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)
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task_svc = AsyncMock()
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task_svc.get.return_value = parent
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task_svc.agent_for.return_value = MagicMock(role="cell_pm", team="backend")
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task_svc.get_subtasks.return_value = []
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deps = _make_deps(task=task_svc)
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c = Choreographer(deps)
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env = await c.delegate(pm_id, parent_id, _delegate_inputs())
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body = env.as_dict()
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assert body["error"] == "not_authorized"
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assert "i_will_plan" in body["remediate"]
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task_svc.create_subtask.assert_not_awaited()
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@pytest.mark.asyncio
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async def test_delegate_allows_when_parent_in_progress_and_owned() -> None:
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pm_id = uuid4()
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parent_id = uuid4()
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parent = MagicMock(
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id=parent_id,
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project_id=uuid4(),
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status="in_progress",
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assigned_to=pm_id,
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)
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new_task = MagicMock(id=uuid4())
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task_svc = AsyncMock()
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task_svc.get.return_value = parent
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task_svc.agent_for.return_value = MagicMock(role="cell_pm", team="backend")
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task_svc.get_subtasks.return_value = []
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task_svc.create_subtask.return_value = new_task
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deps = _make_deps(task=task_svc)
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c = Choreographer(deps)
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env = await c.delegate(pm_id, parent_id, _delegate_inputs())
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body = env.as_dict()
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assert body["error"] is None
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assert body["status"] == "created"
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task_svc.create_subtask.assert_awaited_once()
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@pytest.mark.asyncio
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async def test_delegate_blocks_when_subtask_cap_exceeded() -> None:
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"""13+ subtasks = hard block (cap is 12)."""
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pm_id = uuid4()
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parent_id = uuid4()
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parent = MagicMock(
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id=parent_id,
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project_id=uuid4(),
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status="in_progress",
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assigned_to=pm_id,
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)
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too_many = [MagicMock(id=uuid4()) for _ in range(13)]
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task_svc = AsyncMock()
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task_svc.get.return_value = parent
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task_svc.agent_for.return_value = MagicMock(role="cell_pm", team="backend")
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task_svc.get_subtasks.return_value = too_many
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deps = _make_deps(task=task_svc)
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c = Choreographer(deps)
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env = await c.delegate(pm_id, parent_id, _delegate_inputs())
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body = env.as_dict()
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assert body["error"] == "invalid_state"
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assert "13" in body["message"] or "consolidate" in body["remediate"].lower()
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task_svc.create_subtask.assert_not_awaited()
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@pytest.mark.asyncio
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async def test_delegate_allows_when_subtask_cap_within_soft_zone() -> None:
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"""8-12 subtasks: warn-but-allow."""
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pm_id = uuid4()
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parent_id = uuid4()
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parent = MagicMock(
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id=parent_id,
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project_id=uuid4(),
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status="in_progress",
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assigned_to=pm_id,
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)
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many = [MagicMock(id=uuid4()) for _ in range(10)]
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new_task = MagicMock(id=uuid4())
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task_svc = AsyncMock()
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task_svc.get.return_value = parent
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task_svc.agent_for.return_value = MagicMock(role="cell_pm", team="backend")
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task_svc.get_subtasks.return_value = many
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task_svc.create_subtask.return_value = new_task
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deps = _make_deps(task=task_svc)
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c = Choreographer(deps)
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env = await c.delegate(pm_id, parent_id, _delegate_inputs())
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body = env.as_dict()
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assert body["error"] is None
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task_svc.create_subtask.assert_awaited_once()
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@pytest.mark.asyncio
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async def test_delegate_allows_at_zero_subtasks() -> None:
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"""Empty subtask list is the common case."""
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pm_id = uuid4()
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parent_id = uuid4()
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parent = MagicMock(
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id=parent_id,
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project_id=uuid4(),
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status="in_progress",
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assigned_to=pm_id,
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)
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new_task = MagicMock(id=uuid4())
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task_svc = AsyncMock()
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task_svc.get.return_value = parent
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task_svc.agent_for.return_value = MagicMock(role="cell_pm", team="backend")
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task_svc.get_subtasks.return_value = []
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task_svc.create_subtask.return_value = new_task
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deps = _make_deps(task=task_svc)
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c = Choreographer(deps)
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env = await c.delegate(pm_id, parent_id, _delegate_inputs())
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body = env.as_dict()
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assert body["error"] is None
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@pytest.mark.asyncio
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async def test_delegate_blocks_at_exact_cap_plus_one() -> None:
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"""Cap is 12; 13th attempt blocks."""
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pm_id = uuid4()
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parent_id = uuid4()
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parent = MagicMock(
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id=parent_id,
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project_id=uuid4(),
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status="in_progress",
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assigned_to=pm_id,
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)
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# Already 12 children — adding the 13th must be blocked.
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twelve = [MagicMock(id=uuid4()) for _ in range(12)]
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task_svc = AsyncMock()
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task_svc.get.return_value = parent
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task_svc.agent_for.return_value = MagicMock(role="cell_pm", team="backend")
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task_svc.get_subtasks.return_value = twelve
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deps = _make_deps(task=task_svc)
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c = Choreographer(deps)
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env = await c.delegate(pm_id, parent_id, _delegate_inputs())
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body = env.as_dict()
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assert body["error"] == "invalid_state"
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task_svc.create_subtask.assert_not_awaited()
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