feat(cordis): 完成阶段5访问介导与诊断

2026-08-17 01:09:32 +08:00
parent de5ab449cd
commit 8738e633ee
35 changed files with 1540 additions and 50 deletions
@@ -1,6 +1,7 @@
 #nullable enable
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using Cysharp.Threading.Tasks;
 using NUnit.Framework;
 using ShrinkContext;
@@ -155,6 +156,57 @@ namespace ShrinkContext.Tests
            Assert.AreEqual(ShrinkFiberState.Active, firstFiber.State);
        }

+        [Test]
+        public void UndeclaredSupply_FailsFiberAndLeavesNoBinding()
+        {
+            var fiber = _runtime.Use(new UndeclaredProviderComponent());
+
+            Assert.AreEqual(ShrinkFiberState.Inactive, fiber.State);
+            Assert.IsInstanceOf<ShrinkUndeclaredSupplyException>(fiber.LastError);
+            Assert.IsFalse(_runtime.TryGetRaw<int>(_runtime.RootContext, "not-declared", out _));
+
+            var snapshot = _runtime.CaptureDiagnostic();
+            var diagnostic = snapshot.Fibers.Single(item => item.Uid == fiber.Uid);
+            Assert.AreEqual(ShrinkFiberDiagnosticStatus.Failed, diagnostic.Status);
+            StringAssert.Contains("not-declared", diagnostic.ErrorMessage);
+        }
+
+        [Test]
+        public void DiagnosticSnapshot_ExplainsWaitingDependencyAndPotentialProvider()
+        {
+            var waiting = _runtime.Use(new ConsumerComponent("waiting", "svc"));
+            var blockedProvider = _runtime.Use(new ProviderComponent("blocked-provider", "svc")
+            {
+                Inject = new[] { "missing" }
+            });
+
+            var snapshot = _runtime.CaptureDiagnostic();
+            var waitingDiagnostic = snapshot.Fibers.Single(item => item.Uid == waiting.Uid);
+            Assert.AreEqual(ShrinkFiberDiagnosticStatus.Waiting, waitingDiagnostic.Status);
+            Assert.AreEqual(1, waitingDiagnostic.Dependencies.Count);
+            Assert.IsFalse(waitingDiagnostic.Dependencies[0].IsSatisfied);
+            CollectionAssert.Contains(waitingDiagnostic.Dependencies[0].PotentialProviderUids,
+                blockedProvider.Uid,
+                "等待链应显示声明了该键、但自身依赖未满足的潜在提供者");
+        }
+
+        [Test]
+        public void NotifyIndex_VisitsOnlyConsumersOfChangedKey()
+        {
+            var target = new ConsumerComponent("target", "target-key");
+            _runtime.Use(target);
+            for (var i = 0; i < 40; i++)
+                _runtime.Use(new ConsumerComponent("unrelated-" + i, "other-" + i));
+
+            _runtime.Use(new ProviderComponent("provider", "target-key", "value"));
+
+            var notifications = _runtime.CaptureDiagnostic().Notifications;
+            Assert.AreEqual(1, notifications.LastCandidateCount,
+                "notify 应从 key 倒排索引取得候选，不扫描 40 个无关 fiber");
+            Assert.AreEqual(41, notifications.IndexedKeyCount);
+            Assert.AreEqual("value", target.LastSeen);
+        }
+
        [Test]
        public void CircularDependencies_BothStayInactiveWithoutError()
        {