145 lines
6.5 KiB
C#
145 lines
6.5 KiB
C#
using YLErp.BLL;
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using YLErp.DBModels;
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using YLErp.Enums;
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using YLErp.Modules.MarginModule;
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namespace YLErp.Modules.CalcModules
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{
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/// <summary>
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/// GetRateByTemplate 资产类型先行匹配回归(连 dev 库,2026-08-27 顺序裁定:先品种后期限):
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/// 期限档仅利率债允许配置,品种匹配在期限之前——防止非利率债标的被利率债期限档行截胡
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/// (交易2567 实证:信用债标的按 "<5y" 精确匹配到利率债行,信用债行 BondTerm 空永远不参与)。
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/// 标的代码用库里不存在的代码(GetApplicableMarginTerm 无标的兜底返回 <5y),不依赖真实标的行情数据。
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/// 测试数据全部带 "ZZZ-品种先行测试-" 名称前缀,TestInitialize/TestCleanup 双向清理。
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/// </summary>
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[TestClass]
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public class MarginTemplateV2InstrumentFirstMatchTest
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{
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private const string Marker = "ZZZ-品种先行测试-";
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private DateTime EffectiveDate = new DateTime(2000, 1, 1);
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private YLContext db;
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[TestInitialize]
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public void Init()
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{
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db = new YLContext();
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Cleanup();
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}
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[TestCleanup]
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public void CleanupFixture()
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{
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Cleanup();
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db.Dispose();
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}
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private void Cleanup()
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{
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var templateIds = db.margin_template_v2.Where(x => x.Name.StartsWith(Marker)).Select(x => x.id).ToList();
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if (templateIds.Count > 0)
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{
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db.margin_template_detail.RemoveRange(db.margin_template_detail.Where(x => templateIds.Contains(x.MarginTemplateId)));
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db.margin_template_v2.RemoveRange(db.margin_template_v2.Where(x => templateIds.Contains(x.id)));
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db.SaveChanges();
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}
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}
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private margin_template_v2 AddTieredTemplate()
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{
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var t = new margin_template_v2
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{
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Name = Marker + "分档",
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IsDefault = false,
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IsForClient = false,
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IsValid = true,
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TradeTypes = "收益互换",
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RuleType = (int)MarginRuleTypeEnum.区间追保结构,
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UnderlyingSeperateType = (int)UnderlyingSeperateTypeEnum.CustomInstrumentType,
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ValueDate = EffectiveDate
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};
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db.margin_template_v2.Add(t);
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db.SaveChanges();
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return t;
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}
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private void AddDetail(int templateId, UnderlyingTypeEnum underlyingType, string bondTermJson, double initRate, double maintainRate)
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{
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db.margin_template_detail.Add(new margin_template_detail
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{
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MarginTemplateId = templateId,
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ValueDate = EffectiveDate,
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UnderlyingType = underlyingType,
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SpanConfigJson = bondTermJson,
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MarginRatio1 = initRate,
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MarginRatio2 = maintainRate
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});
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}
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/// <summary>
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/// 信用债标的不被利率债期限档行截胡:term 恒为 "<5y"(标的不存在兜底),
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/// 旧序会精确命中利率债 <5y 行;新序品种先行应命中信用债行(BondTerm 空)。
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/// </summary>
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[TestMethod]
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public void TI_001_信用债标的_命中信用债行_不被利率债期限档截胡()
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{
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var tpl = AddTieredTemplate();
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AddDetail(tpl.id, UnderlyingTypeEnum.TBonds, "{\"BondTerm\":\"<5y\"}", 0.11, 0.12);
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AddDetail(tpl.id, UnderlyingTypeEnum.CreditBonds, null, 0.05, 0.06);
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db.SaveChanges();
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var rate = MarginTemplateV2RateHelper.GetRateByTemplate(tpl, "ZZZ-NOT-EXIST-CD.IB", "CreditBonds", DateTime.Today, db);
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Assert.IsNotNull(rate, "品种先行后信用债行(BondTerm 空)应经期限兜底命中");
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Assert.AreEqual(0.05m, rate.InitRate.Value, "应取信用债行的初始预付金率,而非利率债 <5y 行的 0.11");
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Assert.AreEqual(0.06m, rate.MaintainRate.Value, "应取信用债行的维持预付金率,而非利率债 <5y 行的 0.12");
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}
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/// <summary>
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/// 利率债标的行为不变:品种命中利率债行后,期限精确档 "<5y" 命中对应期限行(压过 5y-10y 行)。
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/// </summary>
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[TestMethod]
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public void TI_002_利率债标的_品种内期限精确档仍生效()
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{
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var tpl = AddTieredTemplate();
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AddDetail(tpl.id, UnderlyingTypeEnum.TBonds, "{\"BondTerm\":\"<5y\"}", 0.11, 0.12);
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AddDetail(tpl.id, UnderlyingTypeEnum.TBonds, "{\"BondTerm\":\"5y-10y\"}", 0.13, 0.14);
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db.SaveChanges();
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var rate = MarginTemplateV2RateHelper.GetRateByTemplate(tpl, "ZZZ-NOT-EXIST-TB.IB", "TBonds", DateTime.Today, db);
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Assert.IsNotNull(rate);
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Assert.AreEqual(0.11m, rate.InitRate.Value, "期限兜底 <5y 时应精确命中 <5y 档行");
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Assert.AreEqual(0.12m, rate.MaintainRate.Value);
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}
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/// <summary>
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/// 模板未配标的品种时的既有兜底不变:品种行与通配行均无 → 不缩小行集,回落期限匹配(与旧序一致)。
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/// </summary>
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[TestMethod]
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public void TI_003_模板未配品种_回落期限匹配_行为不变()
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{
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var tpl = AddTieredTemplate();
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AddDetail(tpl.id, UnderlyingTypeEnum.TBonds, "{\"BondTerm\":\"<5y\"}", 0.11, 0.12);
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db.SaveChanges();
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var rate = MarginTemplateV2RateHelper.GetRateByTemplate(tpl, "ZZZ-NOT-EXIST-CF.IB", "CommodityFutures", DateTime.Today, db);
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Assert.IsNotNull(rate, "品种落空应回落到期限匹配(旧行为兜底),不应返回 null");
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Assert.AreEqual(0.11m, rate.InitRate.Value);
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}
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/// <summary>
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/// 品种行与期限行均无法匹配时返回 null:非利率债标的不再"借用"利率债期限档行,
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/// 由调用方按无预付金要求兜底(引擎不产出 trade_span)。
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/// </summary>
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[TestMethod]
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public void TI_004_品种与期限均无匹配行_返回null()
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{
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var tpl = AddTieredTemplate();
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AddDetail(tpl.id, UnderlyingTypeEnum.TBonds, "{\"BondTerm\":\"5y-10y\"}", 0.13, 0.14);
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db.SaveChanges();
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var rate = MarginTemplateV2RateHelper.GetRateByTemplate(tpl, "ZZZ-NOT-EXIST-CD.IB", "CreditBonds", DateTime.Today, db);
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Assert.IsNull(rate, "信用债标的不应命中利率债 5y-10y 期限行");
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}
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}
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}
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