fix bug

py-client/tests/test_trend.py

@@ -10,6 +10,7 @@ from unittest.mock import patch
 from libs.grid_take_profit import GridState, GridTrailingTracker
 from sdk import APIError, Assets, OrderItem, Portfolio, PositionItem, Tick
 from strategy.trend.order import OrderBook, PlaceOrderRequest
+from strategy.trend.open import do_open
 from strategy.trend.positions import LOSS_TIERS, handle_loss, manage_positions
 from strategy.trend.boot import RunOnce
 from strategy.trend.state import STATUS_OK, STATUS_UNKNOWN, State, StateItem
@@ -42,6 +43,49 @@ class FailedOrderClient:
 
 
 class TrendTests(unittest.TestCase):
+    def test_trend_order_id_format(self):
+        self.assertRegex(OrderBook.new_order_id("base"), r"^trend-[0-9a-f]{8}$")
+
+    def test_open_records_base_order_and_rounded_cost(self):
+        with TemporaryDirectory() as directory:
+            state = State.for_strategy(directory, "trend", "A")
+            forgotten = []
+            runtime = SimpleNamespace(
+                client=FakeClient(),
+                orders=OrderBook(),
+                state=state,
+                open_watch=SimpleNamespace(forget=forgotten.append),
+            )
+
+            do_open(runtime, "000001.SZ", 100, "morning", 12.345)
+
+            item = state.get("000001.SZ")
+            self.assertRegex(item.base_order_id, r"^trend-[0-9a-f]{8}$")
+            self.assertEqual(item.base_qty, 100)
+            self.assertEqual(item.base_cost, 12.35)
+            self.assertEqual(item.base_status, "ING")
+            self.assertEqual(forgotten, ["000001.SZ"])
+
+    def test_pending_base_order_survives_position_delay(self):
+        with TemporaryDirectory() as directory:
+            state = State.for_strategy(directory, "trend", "A")
+            state.set(StateItem(
+                "000001.SZ",
+                base_order_id="trend-12345678",
+                base_status="ING",
+            ))
+            pending = OrderItem(
+                "1", "000001.SZ", "BUY", "", "50", None, 100,
+                local_order_id="trend-12345678",
+            )
+
+            state.reconcile([], [pending])
+
+            self.assertEqual(
+                state.get("000001.SZ").base_order_id,
+                "trend-12345678",
+            )
+
     def test_grid_states_and_account_isolation(self):
         tracker = GridTrailingTracker(1)
         self.assertEqual(tracker.observe("A:code", 2.1).state, GridState.ARMED)