98 lines
5.1 KiB
C#
98 lines
5.1 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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/// 互换结息（SwapIncome）测试
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/// ============================================================================
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/// 借鉴 testable 分支命名，基于当前分支 TestableSwapDealService 共享 stub。
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/// SwapIncome 是写客户资金流水（ClientCashInCashOut）的核心入口之一。
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/// ============================================================================
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[TestClass]
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public class SwapIncomeScenarioTest
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{
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// ================================================================
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// 场景1：SwapIncome 正常结息 —— 资金流水金额正确
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// ================================================================
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/// <summary>
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/// SwapIncome 正常结息：SwapRealizedPnL=1000 → 客户资金流水金额=-1000。
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/// 后端 SwapDealService SwapIncome 直接用前端传入的 SwapRealizedPnL 记账。
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/// </summary>
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[TestMethod]
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public void SI_001_SwapIncome_正常结息_资金流水金额正确()
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{
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var td = SwapDealTestFactory.CreateTrade();
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td.ExerciseDate = new DateTime(2026, 12, 31); // 未到期，不走"已到期"分支
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var service = new TestableSwapDealService(td);
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var unwindData = SwapDealTestFactory.CreateUnwindData(swapRealizedPnL: 1000m);
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service.SwapIncome(unwindData);
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Assert.AreEqual(1, service.ClientCashCalls.Count, "应生成1条资金流水（互换）");
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Assert.AreEqual(-1000.0, service.ClientCashCalls[0].amount, 0.001, "资金流水金额 = -SwapRealizedPnL");
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Assert.AreEqual(ClientCashInCashOut.系统操作_互换, service.ClientCashCalls[0].action, "操作类型=系统操作_互换");
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Assert.AreEqual(1, service.SaveSwapDealCalls.Count, "应调用 SaveSwapDeal 1次");
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Assert.AreEqual((int)SwapEventTypeEnum.互换, service.SaveSwapDealCalls[0].eventType, "事件类型=互换(3)");
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Console.WriteLine($"SI_001: 资金流水={service.ClientCashCalls[0].amount}, 事件类型=互换 ✅");
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}
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// ================================================================
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// 场景2：SwapIncome 含预付金返息 —— 两条资金流水
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// ================================================================
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/// <summary>
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/// SwapIncome 含预付金返息：SwapRealizedPnL=1000, SwapMarginRebatePnl=200
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/// → 生成2条资金流水（互换 + 预付金返息），金额分别为 -1000、-200。
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/// </summary>
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[TestMethod]
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public void SI_002_SwapIncome_含预付金返息_两条资金流水()
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{
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var td = SwapDealTestFactory.CreateTrade();
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td.ExerciseDate = new DateTime(2026, 12, 31);
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var service = new TestableSwapDealService(td);
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var unwindData = SwapDealTestFactory.CreateUnwindData(swapRealizedPnL: 1000m, swapMarginRebatePnl: 200m);
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service.SwapIncome(unwindData);
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Assert.AreEqual(2, service.ClientCashCalls.Count, "应生成2条资金流水（互换+预付金返息）");
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Assert.AreEqual(-1000.0, service.ClientCashCalls[0].amount, 0.001, "第1条=互换金额");
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Assert.AreEqual(ClientCashInCashOut.系统操作_互换, service.ClientCashCalls[0].action);
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Assert.AreEqual(-200.0, service.ClientCashCalls[1].amount, 0.001, "第2条=预付金返息");
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Assert.AreEqual(ClientCashInCashOut.系统操作_预付金返息, service.ClientCashCalls[1].action);
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Console.WriteLine($"SI_002: 互换={service.ClientCashCalls[0].amount}, 预付金返息={service.ClientCashCalls[1].amount} ✅");
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}
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[TestMethod]
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public void SI_003_SwapIncome_含预付金腿_不返还预付金本金()
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{
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var td = SwapDealTestFactory.CreateTrade();
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td.ExerciseDate = new DateTime(2026, 12, 31);
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var service = new TestableSwapDealService(td);
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var unwindData = SwapDealTestFactory.CreateUnwindData(swapRealizedPnL: 0m);
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unwindData.FlowEvents.Add(new swap_flow_event
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{
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UnderlyingCode = "UT-FLOAT",
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MarkClosePnl = 100m,
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PayDirection = 1
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});
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unwindData.FlowEvents.Add(new swap_flow_event
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{
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InterestMode = (int)InterestModeEnum.初始预付金,
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InterestDirection = 1,
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InterestPrincipal = 10000m,
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InterestClosePnL = 2m
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});
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service.SwapIncome(unwindData);
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Assert.AreEqual(0m, unwindData.SwapMarginAmount, "手动互换不应返还预付金本金");
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Assert.IsFalse(service.ClientCashCalls.Any(x => x.action == ClientCashInCashOut.系统操作_应付预付金),
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"手动互换不应生成应付预付金流水");
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Assert.IsTrue(service.ClientCashCalls.Any(x => x.action == ClientCashInCashOut.系统操作_预付金返息),
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"手动互换仍应结算预付金返息");
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}
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}
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}
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