- 添加 EffectiveDate 字段用于标识真实除权生效日 - 实现公司行为价格系数和数量系数统一计算方法 - 增加基金除权回退和平仓基线恢复功能 - 完善除权日验证逻辑,确保真实除权日不早于股权登记日 - 重构平仓流程,支持按有效EOD基线重新计算损益和现金 - 添加基金拆合股和现金分红的特殊处理逻辑 - 增加单元测试验证各种公司行为场景下的正确性
110 lines
4.7 KiB
C#
110 lines
4.7 KiB
C#
using YLErp.DBModels;
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using YLErp.DBModels.Enums;
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using YLErp.Model;
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namespace YLErp.Modules.SwapModule
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{
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/// <summary>
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/// SwapEodPositionService 的可测试化基类(纯内存,不连库)。
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/// ============================================================================
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/// 收敛各 ScenarioTest 中 Stub 子类的重复 override:
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/// - PersistEodSwapPosition:收集到列表,不写库
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/// - SaveAllChanges:no-op
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/// - GetCurrencyRate:返回 1.0(本币)
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/// - 统一构造函数(注入 OptUserInfo,标记 UnitTest 来源)
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///
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/// 暴露 PersistedPositions / SaveChangesCount / ClientCashCalls 等输出捕获属性,
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/// 供断言使用。各测试子类按需再 override 业务 seam(FindTrade/GetUnderlyingPrice 等)。
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///
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/// 设计原则:
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/// - 只收敛 8/8 Stub 都重复的高频 override,不预设业务数据注入方式
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/// (ComposePage 用属性字典、SwapPositionCompose 用构造函数 List,差异留给子类)
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/// - 不提供 Execute* 包装器(签名各异且大多只出现 1-2 次,留在各子类避免基类膨胀)
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/// ============================================================================
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/// </summary>
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public class TestableSwapEodPositionService : SwapEodPositionService
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{
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/// <summary>捕获所有持久化的 eod 持仓(按调用顺序)</summary>
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public List<eod_swap_position> PersistedPositions { get; } = new();
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/// <summary>
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/// 捕获所有持久化的互换流水事件(按调用顺序)。
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/// 生产 PersistFlowEvent 写 DbContext.swap_flow_event;GetConsumedInterest 也读同一张表。
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/// 测试不连库,这里把真实收盘产生的 swap_flow_event 收集起来,
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/// 使 GetConsumedInterest 能像生产一样从"真实累积的流水"里算已结利息,
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/// 而无需硬编码、无需连库。这是消除"return 0m"伪绿的关键。
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/// </summary>
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public List<swap_flow_event> FlowEvents { get; } = new();
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/// <summary>SaveAllChanges 调用次数</summary>
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public int SaveChangesCount { get; private set; }
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/// <summary>AddClientCash 调用记录(金额, 操作)</summary>
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public List<(double amount, string action)> ClientCashCalls { get; } = new();
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/// <summary>SwapPositionCompose 使用的公司行为内存数据;默认空,避免测试访问数据库。</summary>
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public List<ex_dividend_info> ExDividendInfos { get; } = new();
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/// <summary>自增 id 模拟器(新增 eod 时分配 id)</summary>
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private int _nextId = 1;
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protected TestableSwapEodPositionService(string testName)
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: base(new OptUserInfo(0, testName ?? nameof(TestableSwapEodPositionService), OptUserFrom.UnitTest))
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{
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}
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// ===== 高频 seam override(8/8 Stub 都重复,收敛到基类)=====
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protected override void PersistEodSwapPosition(eod_swap_position position)
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{
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if (position.id == 0) position.id = _nextId++;
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PersistedPositions.Add(position);
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}
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/// <summary>
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/// 捕获真实收盘产生的 swap_flow_event(生产写 DbContext.swap_flow_event)。
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/// 与 PersistEodSwapPosition 同理,这里只收集不写库,供 GetConsumedInterest 真实计算。
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/// </summary>
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protected void PersistFlowEvent(swap_flow_event flowEvent)
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{
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if (flowEvent.id == 0) flowEvent.id = _nextId++;
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FlowEvents.Add(flowEvent);
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}
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protected override void SaveAllChanges()
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{
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SaveChangesCount++;
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}
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protected override double GetCurrencyRate(string quoteCurrency, string settlementCurrency, DateTime valueDate, bool seekPreday, CurrencyRateType currencyRateType)
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{
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return 1.0; // 本币,汇率=1
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}
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protected override List<ex_dividend_info> FindExDividendInfos(DateTime settleDate)
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{
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return ExDividendInfos
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.Where(x => x.ValidStatus
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&& x.EffectiveDate.HasValue
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&& x.EffectiveDate.Value.Date == settleDate.Date)
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.ToList();
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}
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protected override decimal GetFundCorporateActionClosePrice(
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ex_dividend_info dividendInfo,
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decimal fallbackPrice)
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=> fallbackPrice;
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protected override decimal GetDividendTaxRate()
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{
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return 0m;
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}
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protected override int AddClientCash(trade td, double amount, string action, DateTime valueDate)
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{
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ClientCashCalls.Add((amount, action));
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return _nextId++;
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}
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}
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}
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