张名锐
01d7f0c55e
- 修正了部分平仓后待实现利息收入的预期值从 0.006383561644 到 -0.010438356164 - 修正了预期待实现利息值从 0.820569301369 到 0.410474008219 - 在 SwapDealService 中添加了已完成平仓事件的查询逻辑，排除已平仓头寸的本金计算 - 重构了 SwapEodPositionService 中的待结算利息计算逻辑，区分自动互换和平仓场景 - 在测试类中添加了已完成流程事件的查找方法和相关测试数据 - 更新了测试用例以验证平仓事件对利息计算的影响
435 lines
22 KiB
C#
435 lines
22 KiB
C#
using YLErp.DBModels;
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using YLErp.DBModels.Enums;
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namespace YLErp.Modules.SwapModule
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{
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/// <summary>
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/// SwapPositionCompose 日终归档端到端测试
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/// ============================================================================
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/// 借鉴 testable 分支 SwapPositionComposeScenarioTest，基于当前分支 seam 重写。
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/// 覆盖 DealFloatPositions 的首次归档/Copy/Update/异常路径。
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/// 利息腿场景(自动互换)因 CalcSwapInterests 参数适配复杂留后续。
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/// ============================================================================
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[TestClass]
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public class SwapPositionComposeScenarioTest
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{
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private const int SwapTradeId = 100;
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private static readonly DateTime SettleDate = new(2025, 4, 24);
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private static readonly DateTime PreSettleDate = new(2025, 4, 23);
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#region 可测试化子类
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/// <summary>
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/// 继承 SwapEodPositionService，override SwapPositionCompose 路径上的 seam。
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/// 适配当前分支 seam 签名（GetUnderlyingPrice 带 out、GetCurrencyRate 返回 double 等）。
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/// </summary>
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private sealed class TestableSwapEodService : TestableSwapEodPositionService
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{
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private readonly List<trade> _trades;
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private readonly List<swap_position> _positions;
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private readonly List<eod_swap_position> _eodPositions;
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private readonly List<eod_swap> _eodSwaps;
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private readonly List<trade_extend> _extends;
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private readonly List<swap_flow_event> _flowEvents;
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private readonly decimal _price;
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private readonly decimal _vobp;
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// 输出别名（转发到基类捕获属性）
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public List<eod_swap_position> CreatedEodPositions => PersistedPositions;
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public List<swap_position> LastInterestCalculationPositions { get; private set; }
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public TestableSwapEodService(
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List<trade> trades, List<swap_position> positions,
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List<eod_swap_position> eodPositions, List<eod_swap> eodSwaps,
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List<trade_extend> extends, List<swap_flow_event> flowEvents,
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decimal price = 100m, decimal vobp = 0m)
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: base(nameof(SwapPositionComposeScenarioTest))
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{
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_trades = trades; _positions = positions; _eodPositions = eodPositions;
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_eodSwaps = eodSwaps; _extends = extends; _flowEvents = flowEvents;
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_price = price; _vobp = vobp;
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}
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// SwapPositionCompose 路径 seam override
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protected override List<trade> FindActiveSwapTrades(DateTime settleDate, IEnumerable<int> clientIds) => _trades;
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protected override List<swap_position> FindAllSwapPositions(List<int> tradeIds) => _positions;
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protected override List<trade_extend> FindTradeExtends(List<int> tradeIds) => _extends;
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protected override List<eod_swap> FindEodSwapsByDate(DateTime valueDate) => _eodSwaps;
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protected override List<swap_flow_event> FindFlowEvents(int swapTradeId, DateTime settleDate) => _flowEvents;
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protected override List<swap_flow_event> FindCompletedFlowEvents(List<int> tradeIds) => _flowEvents;
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protected override List<eod_swap_position> FindEodSwapPositions(int swapTradeId, DateTime preSettleDate)
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=> _eodPositions.Where(x => x.SwapTradeId == swapTradeId && x.ValueDate >= preSettleDate).ToList();
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protected override List<swap_position> FindSwapPositions(int swapTradeId)
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=> _positions.Where(x => x.SwapTradeId == swapTradeId && !x.IsInitial).ToList();
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// DealFloatPositions 路径 seam override
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protected override underlying_manager GetUnderlyingData(string underlyingCode)
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=> new underlying_manager { ValueAddedTax = 0m, UnderlyingInstrumentType = "TBonds" };
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protected override decimal GetUnderlyingPrice(string code, DateTime settleDate, out decimal vobp)
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{ vobp = _vobp; return _price; }
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protected override decimal CalcBondPayment(string underlyingCode, DateTime fromDate, DateTime toDate, decimal qty, int shortRatio, int directionRatio) => 0m;
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// 持久化/事务 seam override（PersistEodSwapPosition/SaveAllChanges/GetCurrencyRate/AddClientCash 由基类提供）
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protected override void SaveEodSwapRecord(trade td, DateTime settleDate, DateTime preSettleDate) { }
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protected override void ExecuteInTransaction(Action action) => action();
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protected override void ClearSwapPositionsForCompose(trade td, DateTime tradeDate, List<int> eventTypes) { }
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public override void ClearSwapPositions(trade td, DateTime valueDate, List<int> eventTypes, bool delAfter) { }
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protected override swap_event AddSwapEvent(DateTime tradeDate, int swapTradeId, int eventType, string data, int clientCashId, bool save, string reason)
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{ return new swap_event { id = 1 }; }
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protected override List<swap_flow_event> CalcSwapInterests(
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trade td, trade_extend tradeExtend, DateTime valueDate, DateTime unwindDate,
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List<eod_swap_position> eodPositions, List<swap_position> positions,
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decimal posiNotionalValue, decimal posiLongNotionalValue, decimal posiShortNotionalValue,
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decimal closePosiNotionalValue, decimal closePrecent, int eventType, bool tdClose, bool needPrice,
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decimal grossPrice, decimal orginPv, bool add = false, bool settment = true, bool newCalcLast = false,
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List<swap_flow_event> closeList = null)
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{
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LastInterestCalculationPositions = positions;
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return positions.Select(position => new swap_flow_event
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{
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PositionId = position.id,
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InterestPrincipal = 1000m,
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InterestRate = 0.01m,
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FloatRate = 0.01m
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}).ToList();
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}
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public void ExecuteSwapPositionCompose(DateTime settleDate, DateTime preSettleDate)
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=> SwapPositionCompose(settleDate, preSettleDate, null);
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}
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#endregion
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#region 工厂方法
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private static trade CreateTrade(DateTime? startDate = null)
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{
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var date = startDate ?? SettleDate;
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return new trade
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{
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id = SwapTradeId, TradeNumber = "TEST-COMPOSE-001", ClientId = 10,
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TradeType = "收益互换", TradeDate = date, StartDate = date,
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ExerciseDate = SettleDate.AddYears(1), TradeStatus = "确认成交", ValidState = "Valid",
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QuoteCurrency = "CNY", SettlementCurrency = "CNY", StructureType = "普通债券类收益互换",
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OriginalStockEqvNotional = 100000, TradePrice = 0
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};
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}
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private static trade_extend CreateExtend()
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{
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return new trade_extend
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{
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TradeId = SwapTradeId,
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ExtendJson = @"{""NeedOpenFee"":false,""AnnualDays"":365,""SettlementRules"":0,""Direction"":1,""FlowBookMode"":0}"
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};
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}
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private static swap_position CreateFloatPosition(long positionId, decimal qty)
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{
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return new swap_position
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{
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id = positionId, SwapTradeId = SwapTradeId, PositionId = positionId,
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PosiDirection = 1, PositionType = (int)PositionTypeFlag.Long,
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UnderlyingCode = "220205.IB", UnderlyingInstrumentType = "TBonds",
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ContractSize = 1m, CountRatio = 1m, IsInitial = true, Invalid = false,
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PosiQuantity = qty, PosiNotionalValue = qty,
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PosiNetPrice = 1.0050m, PosiGrossPrice = 1.0020m,
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PosiNetFeePrice = 1.0000m, PosiNetNoFeePrice = 0.9970m,
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InterestDirection = 0
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};
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}
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private static eod_swap_position CreateFloatEodPosition(long positionId, decimal qty, decimal grossPrice)
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{
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return new eod_swap_position
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{
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SwapTradeId = SwapTradeId, PositionId = positionId, ValueDate = PreSettleDate,
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PosiDirection = 1, PositionType = (int)PositionTypeFlag.Long, Invalid = false,
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PosiQuantity = qty, PosiGrossPrice = grossPrice, PosiNetPrice = 1.0050m,
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PosiNetFeePrice = 1.0030m, PosiNetNoFeePrice = 1.0000m,
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UnderlyingCode = "220205.IB", ContractSize = 1m,
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InterestIncomeSum = 0m, InterestProfitSum = 0m, PosiNotionalValue = qty
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};
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}
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private static swap_flow_event CreateCloseFlowEvent(long positionId, decimal qty)
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{
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return new swap_flow_event
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{
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SwapTradeId = SwapTradeId, PositionId = positionId,
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EventType = (int)SwapFlowEventTypeEnum.平仓,
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Quantity = qty, EventDate = SettleDate, UnwindDate = SettleDate,
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MarkClosePnl = 500m, CloseFee = 10m, DividendIn = 5m,
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TradingAmountAvg = 1.0030m, DataState = (int)SwapFlowDateStateEnum.完成
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};
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}
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#endregion
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// ================================================================
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// 场景1：首次归档（无前日eod，交易首日）
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// ================================================================
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[TestMethod]
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public void SPC_001_首次归档_无前日Eod_直接取初始持仓()
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{
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var td = CreateTrade();
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var extend = CreateExtend();
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var positions = new List<swap_position> { CreateFloatPosition(1, 1000) };
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var service = new TestableSwapEodService(
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new List<trade> { td }, positions,
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new List<eod_swap_position>(), new List<eod_swap>(),
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new List<trade_extend> { extend }, new List<swap_flow_event>());
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service.ExecuteSwapPositionCompose(SettleDate, PreSettleDate);
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Assert.IsTrue(service.CreatedEodPositions.Count >= 1, "应创建至少1条eod");
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var floatEod = service.CreatedEodPositions.FirstOrDefault(x => x.PositionId == 1);
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Assert.IsNotNull(floatEod, "应创建浮动腿持仓");
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Assert.AreEqual(1000m, floatEod.PosiQuantity, "首次归档 PosiQuantity=初始持仓数量");
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Console.WriteLine($"SPC_001: PosiQuantity={floatEod.PosiQuantity} ✅");
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}
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// ================================================================
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// 场景2：有前日eod无事件 → Copy
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// ================================================================
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[TestMethod]
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public void SPC_002_Copy分支_有前日Eod无事件_价格原样复制()
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{
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var td = CreateTrade();
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var extend = CreateExtend();
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var positions = new List<swap_position> { CreateFloatPosition(1, 1000) };
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var prevEod = new List<eod_swap_position> { CreateFloatEodPosition(1, 1000, 1.0020m) };
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var service = new TestableSwapEodService(
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new List<trade> { td }, positions,
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prevEod, new List<eod_swap>(),
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new List<trade_extend> { extend }, new List<swap_flow_event>());
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service.ExecuteSwapPositionCompose(SettleDate, PreSettleDate);
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var floatEod = service.CreatedEodPositions.FirstOrDefault(x => x.PositionId == 1);
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Assert.IsNotNull(floatEod);
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Assert.AreEqual(1000m, floatEod.PosiQuantity, "Copy分支 PosiQuantity不变");
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Assert.AreEqual(1.0020m, floatEod.PosiGrossPrice, "Copy分支 PosiGrossPrice从前日eod复制");
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Console.WriteLine($"SPC_002: PosiQuantity={floatEod.PosiQuantity}, PosiGrossPrice={floatEod.PosiGrossPrice} ✅");
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}
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// ================================================================
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// 场景3：有平仓事件 → Update（持仓扣减）
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// ================================================================
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[TestMethod]
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public void SPC_003_Update分支_有平仓事件_持仓扣减()
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{
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var td = CreateTrade();
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var extend = CreateExtend();
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var positions = new List<swap_position> { CreateFloatPosition(1, 1000) };
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var prevEod = new List<eod_swap_position> { CreateFloatEodPosition(1, 1000, 1.0020m) };
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var flowEvents = new List<swap_flow_event> { CreateCloseFlowEvent(1, 400) };
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var service = new TestableSwapEodService(
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new List<trade> { td }, positions,
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prevEod, new List<eod_swap>(),
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new List<trade_extend> { extend }, flowEvents);
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service.ExecuteSwapPositionCompose(SettleDate, PreSettleDate);
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var floatEod = service.CreatedEodPositions.FirstOrDefault(x => x.PositionId == 1);
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Assert.IsNotNull(floatEod);
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Assert.AreEqual(600m, floatEod.PosiQuantity, "Update分支 PosiQuantity=1000-400=600");
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Assert.AreEqual(400m, floatEod.TdCloseQty, "TdCloseQty=平仓数量400");
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Console.WriteLine($"SPC_003: PosiQuantity={floatEod.PosiQuantity}, TdCloseQty={floatEod.TdCloseQty} ✅");
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}
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// ================================================================
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// 场景4：未收盘抛异常
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// ================================================================
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[TestMethod]
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public void SPC_004_未收盘_非交易首日无前日Eod_抛异常()
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{
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// 交易起始日早于收盘日（非交易首日），且无前日eod
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var td = CreateTrade(startDate: SettleDate.AddDays(-10));
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var extend = CreateExtend();
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var positions = new List<swap_position> { CreateFloatPosition(1, 1000) };
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var service = new TestableSwapEodService(
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new List<trade> { td }, positions,
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new List<eod_swap_position>(), new List<eod_swap>(),
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new List<trade_extend> { extend }, new List<swap_flow_event>());
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var ex = Assert.ThrowsException<Exception>(() =>
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service.ExecuteSwapPositionCompose(SettleDate, PreSettleDate));
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Assert.IsTrue(ex.Message.Contains("未收盘"), $"异常消息应含'未收盘'，实际：{ex.Message}");
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Console.WriteLine($"SPC_004: 抛异常'{ex.Message}' ✅");
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}
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[TestMethod]
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public void SPC_005_部分平仓后_预付金日终按实时剩余本金计息()
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{
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const long initialPrepayId = 2;
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var td = CreateTrade();
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var initialPrepay = new swap_position
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{
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id = initialPrepayId, SwapTradeId = SwapTradeId, PosiDirection = 0,
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InterestDirection = (int)SwapDirectionEnum.收取,
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestPrincipalFix = 1000m, IsInitial = true, Invalid = false,
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PosiStartDate = SettleDate.AddDays(-1), PosiMatuirityDate = td.ExerciseDate.Value,
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InterestSwapInterval = "[]"
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};
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var realPrepay = new swap_position
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{
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id = 3, PositionId = initialPrepayId, SwapTradeId = SwapTradeId, PosiDirection = 0,
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InterestDirection = (int)SwapDirectionEnum.收取,
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestPrincipalFix = 700m, IsInitial = false, Invalid = false
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};
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var prepayEod = new eod_swap_position
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{
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id = 200, SwapTradeId = SwapTradeId, PositionId = initialPrepayId,
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ValueDate = PreSettleDate, PosiDirection = 0,
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InterestDirection = (int)SwapDirectionEnum.收取,
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestPrincipalFix = 700m, TdInterestPrincipal = 700m
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};
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var service = new TestableSwapEodService(
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new List<trade> { td },
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new List<swap_position> { CreateFloatPosition(1, 1000), initialPrepay, realPrepay },
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new List<eod_swap_position> { CreateFloatEodPosition(1, 1000, 1.0020m), prepayEod },
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new List<eod_swap> { new eod_swap { SwapTradeId = SwapTradeId, ValueDate = PreSettleDate } },
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new List<trade_extend> { CreateExtend() },
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new List<swap_flow_event>
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{
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CreateCloseFlowEvent(1, 300),
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new swap_flow_event
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{
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SwapTradeId = SwapTradeId, PositionId = initialPrepayId,
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EventType = (int)SwapEventTypeEnum.平仓,
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EventDate = SettleDate,
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DataState = (int)SwapFlowDateStateEnum.完成
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}
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});
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service.ExecuteSwapPositionCompose(SettleDate, PreSettleDate);
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var calculatedPrepay = service.LastInterestCalculationPositions
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.Single(x => x.id == initialPrepayId);
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Assert.AreEqual(700m, calculatedPrepay.InterestPrincipalFix);
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Assert.AreEqual(initialPrepayId, calculatedPrepay.id);
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}
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[TestMethod]
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public void SPC_006_平仓日_预付金日终不得重复扣减实时剩余本金()
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{
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const long initialPrepayId = 2;
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var td = CreateTrade();
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var initialPrepay = new swap_position
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{
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id = initialPrepayId, SwapTradeId = SwapTradeId, PosiDirection = 0,
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InterestDirection = (int)SwapDirectionEnum.收取,
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestPrincipalFix = 1000m, IsInitial = true, Invalid = false,
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IsAnnualized = true,
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PosiStartDate = SettleDate.AddDays(-1), PosiMatuirityDate = td.ExerciseDate.Value,
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InterestSwapInterval = "[]"
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};
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var realPrepay = new swap_position
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{
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id = 3, PositionId = initialPrepayId, SwapTradeId = SwapTradeId, PosiDirection = 0,
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InterestDirection = (int)SwapDirectionEnum.收取,
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestPrincipalFix = 700m, IsInitial = false, Invalid = false
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};
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var prepayEod = new eod_swap_position
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{
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id = 200, SwapTradeId = SwapTradeId, PositionId = initialPrepayId,
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ValueDate = PreSettleDate, PosiDirection = 0,
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InterestDirection = (int)SwapDirectionEnum.收取,
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestPrincipalFix = 1000m, TdInterestPrincipal = 1000m
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};
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var closeFlow = CreateCloseFlowEvent(1, 300);
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closeFlow.InterestRate = 0.01m;
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var prepayCloseFlow = new swap_flow_event
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{
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SwapTradeId = SwapTradeId, PositionId = initialPrepayId,
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EventType = (int)SwapEventTypeEnum.平仓,
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EventDate = SettleDate, DataState = (int)SwapFlowDateStateEnum.完成,
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestPrincipal = 300m
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};
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var service = new TestableSwapEodService(
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new List<trade> { td },
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new List<swap_position> { CreateFloatPosition(1, 1000), initialPrepay, realPrepay },
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new List<eod_swap_position> { CreateFloatEodPosition(1, 1000, 1.0020m), prepayEod },
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new List<eod_swap> { new eod_swap { SwapTradeId = SwapTradeId, ValueDate = PreSettleDate } },
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new List<trade_extend> { CreateExtend() },
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new List<swap_flow_event> { closeFlow, prepayCloseFlow });
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service.ExecuteSwapPositionCompose(SettleDate, PreSettleDate);
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var persistedPrepay = service.CreatedEodPositions
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.Single(x => x.PositionId == initialPrepayId);
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Assert.AreEqual(700m, persistedPrepay.InterestPrincipalFix,
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"实时腿已经扣减到700，日终不得再次按平仓比例扣减");
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Assert.AreEqual(700m, persistedPrepay.TdInterestPrincipal,
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"平仓日预付金计息本金应立即切换为实时剩余本金");
|
||
Assert.AreEqual(700m * 0.01m / 365m, persistedPrepay.TdInterestIncome,
|
||
"平仓日新增利息应按实时剩余本金计算");
|
||
}
|
||
|
||
[TestMethod]
|
||
public void SPC_007_HistoricalReplayUsesAsOfPrincipal()
|
||
{
|
||
const long originalPositionId = 2;
|
||
var original = new swap_position
|
||
{
|
||
id = originalPositionId, PosiDirection = 0,
|
||
InterestDirection = (int)SwapDirectionEnum.收取,
|
||
InterestMode = (int)InterestModeEnum.初始预付金,
|
||
InterestPrincipalFix = 10000m
|
||
};
|
||
var realtime = new swap_position
|
||
{
|
||
PositionId = originalPositionId,
|
||
InterestMode = (int)InterestModeEnum.初始预付金,
|
||
InterestPrincipalFix = 7000m
|
||
};
|
||
var close = new swap_flow_event
|
||
{
|
||
PositionId = originalPositionId,
|
||
PositionType = 0,
|
||
EventType = (int)SwapEventTypeEnum.平仓,
|
||
EventDate = new DateTime(2026, 7, 9),
|
||
InterestMode = (int)InterestModeEnum.初始预付金,
|
||
InterestPrincipal = 3000m
|
||
};
|
||
var floatClose = new swap_flow_event
|
||
{
|
||
PositionId = 1,
|
||
PositionType = 1,
|
||
EventType = (int)SwapEventTypeEnum.平仓,
|
||
EventDate = new DateTime(2026, 7, 9),
|
||
TradingAmount = 3000000m
|
||
};
|
||
var originalWithFloat = new List<swap_position>
|
||
{
|
||
original,
|
||
new swap_position { id = 1, PosiDirection = 1, PosiNotionalValue = 10000000m }
|
||
};
|
||
|
||
var beforeClose = SwapDealService.ResolveInterestLegPositionsAsOf(
|
||
originalWithFloat, new List<swap_position> { realtime },
|
||
new[] { close, floatClose }, new DateTime(2026, 7, 8))
|
||
.Single(x => x.id == originalPositionId);
|
||
var onCloseDate = SwapDealService.ResolveInterestLegPositionsAsOf(
|
||
originalWithFloat, new List<swap_position> { realtime },
|
||
new[] { close, floatClose }, new DateTime(2026, 7, 9))
|
||
.Single(x => x.id == originalPositionId);
|
||
|
||
Assert.AreEqual(10000m, beforeClose.InterestPrincipalFix);
|
||
Assert.AreEqual(7000m, onCloseDate.InterestPrincipalFix);
|
||
}
|
||
}
|
||
}
|