feat(slot): slot entry_count + closed-slot reallocation (dcy-019, BAT-025) + REL-005

dcy-019/issue #18: slot 자원을 진입 횟수 기준으로 고르게 재사용하고 idle 소진 시 closed 슬롯을 직접 재할당한다. 거버넌스는 전부 change-req(신규 REQ 없음). - 도메인(REQ-002): Slot.entry_count(기본 0) + EXPECTED_SLOT_FIELDS, 상태 머신 closed→pending_buy 신규 전이(base 8→9, ALLOWED_TRANSITIONS 14→15), _apply_transition_fields closed→pending_buy clean-slate + →pending_buy 시 +1 - 영속화(REQ-006): 멱등 마이그레이션 008(entry_count), flat 매핑, find_allocatable_slot(idle∪closed, entry_count→updated_at→slot_id) + in-memory 동등 - admission(REQ-007): _admit_buy find_idle_slot→find_allocatable_slot + from_state=slot.status - 테스트(REQ-003): 전이 카운트/계약 가드 정합 + test_slot_entry_count.py / test_buy_admission_reallocation.py - 문서(REQ-009): data-model.md / runtime-flows.md 정합 - 기존 daily_symbol_entries(symbol-scoped) 분리·미변경 BAT-025(release-candidate) delivery + change-req REQ-002/003/006/007/009(CHG-20260609-01). REL-005(confirmed, app-service): BAT-024+BAT-025 묶음. operator-facing run-the-app 스모크로 enter --forced-close-at(BAT-024)·closed 재할당(BAT-025) 실 데몬 검증 (실 PG 마이그레이션 008 round-trip 포함). 검증: 단위 366 passed / 35 skipped(KIS sandbox 1건 deselect — live .env 환경 의존), ruff clean. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-09 14:49:22 +09:00
parent 941d324899
commit 6e8e79660c
28 changed files with 912 additions and 26 deletions
@@ -0,0 +1,165 @@
+"""dcy-019 / BAT-025: slot-scoped entry_count + closed-slot reallocation.
+
+Covers REQ-002 (entry_count field + closed→pending_buy clean-slate transition)
+and REQ-006 (find_allocatable_slot selector ordering over idle ∪ closed).
+"""
+from __future__ import annotations
+
+from datetime import date
+
+import pytest
+
+from trex_core.domain.slot import SlotService, SlotState
+from trex_core.domain.slot.in_memory_repository import InMemorySlotRepository
+
+
+@pytest.fixture
+def trading_day():
+    return date(2026, 6, 9)
+
+
+@pytest.fixture
+def repo():
+    return InMemorySlotRepository()
+
+
+@pytest.fixture
+def service(repo):
+    return SlotService(repo)
+
+
+def _cycle_to_closed(service, slot_id, symbol="005930"):
+    """Drive a slot idle→pending_buy→holding→pending_sell→closed."""
+    service.transit_slot(slot_id, SlotState.IDLE, SlotState.PENDING_BUY,
+                         reason="r", actor="a", symbol=symbol)
+    service.transit_slot(slot_id, SlotState.PENDING_BUY, SlotState.HOLDING,
+                         reason="r", actor="a", avg_price=70_000)
+    service.transit_slot(slot_id, SlotState.HOLDING, SlotState.PENDING_SELL,
+                         reason="r", actor="a")
+    service.transit_slot(slot_id, SlotState.PENDING_SELL, SlotState.CLOSED,
+                         reason="r", actor="a")
+
+
+# ----------------------------------------------------------------------------
+# entry_count increment (REQ-002 FR-4)
+# ----------------------------------------------------------------------------
+class TestEntryCount:
+    def test_new_slot_starts_at_zero(self, service, repo, trading_day):
+        service.preallocate_daily_slots(trading_day, 1)
+        slot = repo.find_idle_slot(trading_day)
+        assert slot.entry_count == 0
+
+    def test_increments_on_each_pending_buy(self, service, repo, trading_day):
+        service.preallocate_daily_slots(trading_day, 1)
+        slot = repo.find_idle_slot(trading_day)
+        updated = service.transit_slot(
+            slot.slot_id, SlotState.IDLE, SlotState.PENDING_BUY,
+            reason="r", actor="a", symbol="005930",
+        )
+        assert updated.entry_count == 1
+
+    def test_not_incremented_on_non_buy_transitions(self, service, repo, trading_day):
+        service.preallocate_daily_slots(trading_day, 1)
+        slot = repo.find_idle_slot(trading_day)
+        service.transit_slot(slot.slot_id, SlotState.IDLE, SlotState.PENDING_BUY,
+                             reason="r", actor="a", symbol="005930")
+        held = service.transit_slot(slot.slot_id, SlotState.PENDING_BUY, SlotState.HOLDING,
+                                    reason="r", actor="a")
+        # holding entry does not bump the per-slot entry counter
+        assert held.entry_count == 1
+
+    def test_preserved_across_closed_to_idle_recovery(self, service, repo, trading_day):
+        service.preallocate_daily_slots(trading_day, 1)
+        slot = repo.find_idle_slot(trading_day)
+        _cycle_to_closed(service, slot.slot_id)
+        recovered = service.transit_slot(slot.slot_id, SlotState.CLOSED, SlotState.IDLE,
+                                         reason="recovery", actor="a")
+        # entry_count is slot-scoped cumulative; recovery preserves it
+        assert recovered.entry_count == 1
+
+
+# ----------------------------------------------------------------------------
+# closed → pending_buy direct reallocation (REQ-002 FR / state machine #9)
+# ----------------------------------------------------------------------------
+class TestClosedReallocation:
+    def test_closed_to_pending_buy_clean_slate_and_bumps_count(
+        self, service, repo, trading_day,
+    ):
+        service.preallocate_daily_slots(trading_day, 1)
+        slot = repo.find_idle_slot(trading_day)
+        _cycle_to_closed(service, slot.slot_id, symbol="005930")
+        closed = repo.fetch_slot(slot.slot_id)
+        assert closed.status is SlotState.CLOSED
+        assert closed.entry_count == 1
+
+        realloc = service.transit_slot(
+            slot.slot_id, SlotState.CLOSED, SlotState.PENDING_BUY,
+            reason="reallocate", actor="a",
+            symbol="000660", qty=5, allocated_capital=500_000,
+            limit_price=120_000, strategy_id="orb_v2",
+        )
+        # new entry's fields applied
+        assert realloc.status is SlotState.PENDING_BUY
+        assert realloc.symbol == "000660"
+        assert realloc.qty == 5
+        assert realloc.limit_price == 120_000
+        assert realloc.strategy_id == "orb_v2"
+        # entry_count cumulative across reallocation (1 → 2)
+        assert realloc.entry_count == 2
+
+    def test_closed_to_pending_buy_clears_prior_position_when_not_supplied(
+        self, service, repo, trading_day,
+    ):
+        """A reallocation that omits a field must not leak the prior cycle's value."""
+        service.preallocate_daily_slots(trading_day, 1)
+        slot = repo.find_idle_slot(trading_day)
+        # first cycle sets stop_loss/take_profit, then closes
+        service.transit_slot(slot.slot_id, SlotState.IDLE, SlotState.PENDING_BUY,
+                             reason="r", actor="a", symbol="005930",
+                             stop_loss_price=60_000, take_profit_price=80_000)
+        service.transit_slot(slot.slot_id, SlotState.PENDING_BUY, SlotState.HOLDING,
+                             reason="r", actor="a", avg_price=70_000)
+        service.transit_slot(slot.slot_id, SlotState.HOLDING, SlotState.PENDING_SELL,
+                             reason="r", actor="a")
+        service.transit_slot(slot.slot_id, SlotState.PENDING_SELL, SlotState.CLOSED,
+                             reason="r", actor="a")
+        # reallocate WITHOUT thresholds → must be cleared, not inherited
+        realloc = service.transit_slot(
+            slot.slot_id, SlotState.CLOSED, SlotState.PENDING_BUY,
+            reason="reallocate", actor="a", symbol="000660",
+        )
+        assert realloc.symbol == "000660"
+        assert realloc.stop_loss_price is None
+        assert realloc.take_profit_price is None
+        assert realloc.avg_price is None
+
+
+# ----------------------------------------------------------------------------
+# find_allocatable_slot selector ordering (REQ-006, OQ-2)
+# ----------------------------------------------------------------------------
+class TestAllocatableSelector:
+    def test_returns_none_when_no_idle_or_closed(self, service, repo, trading_day):
+        assert repo.find_allocatable_slot(trading_day) is None
+
+    def test_prefers_idle_when_only_idle_present(self, service, repo, trading_day):
+        service.preallocate_daily_slots(trading_day, 3)
+        cand = repo.find_allocatable_slot(trading_day)
+        assert cand is not None and cand.status is SlotState.IDLE
+
+    def test_includes_closed_when_no_idle_remains(self, service, repo, trading_day):
+        service.preallocate_daily_slots(trading_day, 1)
+        slot = repo.find_idle_slot(trading_day)
+        _cycle_to_closed(service, slot.slot_id)
+        # no idle left, but the closed slot is allocatable
+        cand = repo.find_allocatable_slot(trading_day)
+        assert cand is not None and cand.status is SlotState.CLOSED
+
+    def test_orders_by_entry_count_ascending(self, service, repo, trading_day):
+        """A closed slot (entry_count=1) loses to a fresh idle slot (entry_count=0)."""
+        service.preallocate_daily_slots(trading_day, 2)
+        slots = repo.list_slots(trading_day)
+        _cycle_to_closed(service, slots[0].slot_id)  # this one now entry_count=1, closed
+        # the still-idle slot has entry_count 0 and must be chosen first
+        cand = repo.find_allocatable_slot(trading_day)
+        assert cand.entry_count == 0
+        assert cand.status is SlotState.IDLE
@@ -43,6 +43,8 @@ def test_advisory_lock_id_is_stable_constant():
        (SlotState.PENDING_SELL, SlotState.CLOSED),
        (SlotState.PENDING_SELL, SlotState.HOLDING),
        (SlotState.CLOSED, SlotState.IDLE),
+        # 9. closed-slot direct reallocation (dcy-019 / BAT-025)
+        (SlotState.CLOSED, SlotState.PENDING_BUY),
        # 8. * -> error
        (SlotState.IDLE, SlotState.ERROR),
        (SlotState.PENDING_BUY, SlotState.ERROR),
@@ -72,7 +74,6 @@ def test_allowed_transition(from_state: SlotState, to_state: SlotState):
        (SlotState.PENDING_SELL, SlotState.IDLE),
        (SlotState.PENDING_SELL, SlotState.PENDING_BUY),
        (SlotState.CLOSED, SlotState.HOLDING),
-        (SlotState.CLOSED, SlotState.PENDING_BUY),
        (SlotState.CLOSED, SlotState.PENDING_SELL),
        # error has restricted exits — only idle and holding allowed (REQ-004)
        (SlotState.ERROR, SlotState.PENDING_BUY),
@@ -92,5 +93,5 @@ def test_self_loops_are_not_allowed():


 def test_allowed_transitions_set_size():
-    """7 base + 5 to-error + 2 operator-resolve = 14 transitions."""
-    assert len(ALLOWED_TRANSITIONS) == 14
+    """8 base (incl. dcy-019 closed->pending_buy) + 5 to-error + 2 operator-resolve = 15."""
+    assert len(ALLOWED_TRANSITIONS) == 15