92 lines
4.3 KiB
C#
92 lines
4.3 KiB
C#
using YLErp.BLL;
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using YLErp.DBModels;
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using YLErp.Modules.SwapModule;
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namespace YLErp.Modules.SwapModule
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{
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/// <summary>
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/// BUG-01 方向守护（2026-08-24）：授信出入表金额口径 占用记正/释放记负——
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/// 已使用授信 = SUM(amount) 随占用上升、随释放回落；可用授信 = 有效授信 − 已使用授信 随占用收缩。
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/// 连 dev 库闭环验证 Occupy/Release/GetUsedCredit（哨兵 client_id 自建自清，不触碰真实客户）。
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/// </summary>
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[TestClass]
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public class ClientCreditInoutSignTest
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{
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private const int SentinelClientId = 99064001; //哨兵客户号（不存在的客户，仅授信出入表按 client_id 记账）
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private YLContext db;
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private ClientCreditInoutService service;
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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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service = new ClientCreditInoutService(OptUserInfo.SystemUser);
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}
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[TestCleanup]
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public void Teardown()
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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 olds = db.client_credit_inout.Where(x => x.client_id == SentinelClientId).ToList();
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if (olds.Count > 0)
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{
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db.client_credit_inout.RemoveRange(olds);
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db.SaveChanges();
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}
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}
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/// <summary>占用记正数：占用越多已使用授信越大（修复前为负——"越占越多"BUG-01）</summary>
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[TestMethod]
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public void CR_001_占用记正_已使用授信上升()
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{
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service.Occupy(SentinelClientId, 900001L, 800001, 10000, DateTime.Today, "方向守护-占用1");
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Assert.AreEqual(10000, ClientCreditInoutService.GetUsedCredit(SentinelClientId, db), 1e-6);
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service.Occupy(SentinelClientId, 900002L, 800002, 5000, DateTime.Today, "方向守护-占用2");
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Assert.AreEqual(15000, ClientCreditInoutService.GetUsedCredit(SentinelClientId, db), 1e-6);
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}
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/// <summary>释放记负数：已使用授信回落，快照 used_after 同口径</summary>
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[TestMethod]
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public void CR_002_释放记负_已使用授信回落()
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{
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service.Occupy(SentinelClientId, 900001L, 800001, 10000, DateTime.Today, "方向守护-占用");
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service.Release(SentinelClientId, 900001L, 800001, 4000, DateTime.Today, "方向守护-释放");
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var used = ClientCreditInoutService.GetUsedCredit(SentinelClientId, db);
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Assert.AreEqual(6000, used, 1e-6);
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//快照列与求和口径一致（最后一次写完后的已使用授信）
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var last = db.client_credit_inout.Where(x => x.client_id == SentinelClientId).OrderByDescending(x => x.id).First();
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Assert.AreEqual(6000, last.used_after, 1e-6);
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Assert.AreEqual(-4000, last.amount, 1e-6, "释放行 amount 记负数");
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}
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/// <summary>方向传导：可用授信 = 有效授信 − 已使用授信，占用使其收缩（BUG-01 修复后的业务语义）</summary>
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[TestMethod]
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public void CR_003_可用授信随占用收缩()
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{
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service.Occupy(SentinelClientId, null, 800003, 10000, DateTime.Today, "方向守护-占用");
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var used = ClientCreditInoutService.GetUsedCredit(SentinelClientId, db);
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var effective = 30000d; //有效授信给定量
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Assert.AreEqual(20000, effective - used, 1e-6, "占用 10000 后可用授信应从 30000 收缩到 20000");
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}
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/// <summary>Occupy/Release 入口对传入符号容错（一律按数量取绝对值定方向），防调用方残留旧负号</summary>
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[TestMethod]
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public void CR_004_语义入口符号容错()
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{
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//即使调用方按旧习惯传负数，Occupy 也记正（数量口径），防止新代码库中残留旧符号调用点
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var rec = service.Occupy(SentinelClientId, null, 800004, -7000, DateTime.Today, "方向守护-负号容错");
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Assert.AreEqual(7000, rec.amount, 1e-6);
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var rel = service.Release(SentinelClientId, null, 800004, -3000, DateTime.Today, "方向守护-负号容错");
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Assert.AreEqual(-3000, rel.amount, 1e-6);
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}
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}
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}
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