Merge branch 'feat/dds-ack-limit'

lct-11: срок решения на пульте ДДС из снимка сервера

backend/tests/test_station_ticker.py

@@ -0,0 +1,44 @@
+"""Такт таймеров доходит до АРМ ДДС: пульт строит срок решения по снимку сервера."""
+
+import asyncio
+from pathlib import Path
+from uuid import uuid4
+
+from app.domain.events import Exercise, SessionMode, TimerTick
+from app.domain.timers import TimerCode
+from app.scenarios.loader import load_file
+from app.session import hub as hub_module
+from app.session.hub import SessionHub
+from app.session.state import SessionState
+
+LIBRARY = Path(__file__).resolve().parents[2] / "scenarios"
+
+
+async def test_station_receives_dds_ack_with_configured_limit_after_handoff(monkeypatch):
+    """Передача из 112 без очереди ДДС: `queue_cards` пуст, и лимит решения,
+    настроенный преподавателем, пульт видит только в `timer.tick`."""
+    monkeypatch.setattr(hub_module, "TICK_SECONDS", 0.01)
+    scenario = load_file(LIBRARY / "fire-apartment-l2.yaml", LIBRARY)
+    state = SessionState(
+        session_id=uuid4(), scenario_id=scenario.id, scenario_title=scenario.title,
+        level=scenario.level.value, mode=SessionMode.TRAINING,
+        exercise=Exercise.CARD, handoff_to_dds=True, scenario=scenario,
+    )
+    state.timers.limits[TimerCode.DDS_ACK] = 45_000
+    state.on_event("dds.dispatch")
+    state.dispatch()
+    local_hub = SessionHub()
+    local_hub.register(state)
+
+    with local_hub.station(state.session_id) as station:
+        local_hub.start_ticker(state.session_id)
+        try:
+            async with asyncio.timeout(1):
+                while not isinstance(event := await station.get(), TimerTick):
+                    pass
+        finally:
+            local_hub.stop_ticker(state.session_id)
+
+    ack = next(timer for timer in event.timers if timer.code is TimerCode.DDS_ACK)
+    assert ack.limit_ms == 45_000
+    assert not ack.stopped