test: initialize executor runtime guard and cover lease denial

Author: tianhe

backend_api_python/tests/test_strategy_v2_live_executor.py

@@ -1,6 +1,7 @@
 import inspect
 
 import pandas as pd
+import pytest
 import app.services.trading_executor as trading_executor
 
 from app.services.strategy_v2 import OrderIntent
@@ -347,8 +348,15 @@ def test_target_rebalance_skips_sub_dollar_dust_order():
     assert calls == []
 
 
-def test_live_order_carries_run_sizing_diagnostics():
-    executor = TradingExecutor.__new__(TradingExecutor)
+@pytest.mark.parametrize("lease_owned", [None, True, False])
+def test_live_order_carries_run_sizing_diagnostics(lease_owned):
+    executor = TradingExecutor()
+    guard_calls = []
+    if lease_owned is not None:
+        def guard(strategy_id):
+            guard_calls.append(strategy_id)
+            return lease_owned
+        executor.runtime_guard = guard
     executor._load_strategy = lambda _strategy_id: {"user_id": 12}
     captured = {}
 
@@ -373,6 +381,10 @@ def submit(self, request):
     )
 
     assert result is False
+    assert guard_calls == ([] if lease_owned is None else [7])
+    if lease_owned is False:
+        assert captured == {}
+        return
     assert captured["request"].sizing == {
         "initial_capital": 100.0,
         "entry_pct": 30.0,
@@ -450,7 +462,7 @@ def submit(_request):
 
 
 def test_limit_queue_log_identifies_grid_level_order(monkeypatch):
-    executor = TradingExecutor.__new__(TradingExecutor)
+    executor = TradingExecutor()
     executor._load_strategy = lambda _strategy_id: {
         "user_id": 12,
         "status": "running",