#EQD-6597 国联民生-簿记时新增基本费率字段（开平仓费用），并且自动计算

feat: 完善互换平仓交易费用自动计算 - 支持百分比和单位数量模式自动计算平仓交易费用 - 支持全部平仓和部分平仓联动重算 - 保持手动互换不自动填充平仓交易费用 - 补充前后端相关单测
2026-07-27 11:57:20 +08:00
parent a575de7bbe
commit 4987962aca
10 changed files with 329 additions and 17 deletions
@@ -0,0 +1,65 @@
+using System.Reflection;
+using YLErp.DBModels;
+
+namespace YLErp.Modules.SwapModule
+{
+    [TestClass]
+    public class InitUnwindTradingFeeTest
+    {
+        private static decimal InvokeCalcInitTradingFee(swap_position position, UnwindData unwindData)
+        {
+            var method = typeof(SwapDealService).GetMethod(
+                "CalcInitTradingFee",
+                BindingFlags.NonPublic | BindingFlags.Static);
+
+            Assert.IsNotNull(method, "未找到 CalcInitTradingFee 私有静态方法");
+
+            return (decimal)method.Invoke(null, new object[] { position, unwindData });
+        }
+
+        [TestMethod]
+        public void 百分比模式_按平仓名义本金计算并四舍五入到两位()
+        {
+            var position = new swap_position
+            {
+                PosiFeeType = 0,
+                PosiTradingFeeUnit = 0.1234m
+            };
+            var unwindData = new UnwindData
+            {
+                CloseNotionalValue = 1_000_000m,
+                CloseQty = 8888m
+            };
+
+            var fee = InvokeCalcInitTradingFee(position, unwindData);
+
+            Assert.AreEqual(1234.00m, fee);
+        }
+
+        [TestMethod]
+        public void 单位数量模式_按平仓数量计算并四舍五入到两位()
+        {
+            var position = new swap_position
+            {
+                PosiFeeType = 1,
+                PosiTradingFeeUnit = 1.235m
+            };
+            var unwindData = new UnwindData
+            {
+                CloseNotionalValue = 1_000_000m,
+                CloseQty = 10m
+            };
+
+            var fee = InvokeCalcInitTradingFee(position, unwindData);
+
+            Assert.AreEqual(12.35m, fee);
+        }
+
+        [TestMethod]
+        public void 空入参_返回零()
+        {
+            Assert.AreEqual(0m, InvokeCalcInitTradingFee(null, new UnwindData()));
+            Assert.AreEqual(0m, InvokeCalcInitTradingFee(new swap_position(), null));
+        }
+    }
+}