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
@@ -24,6 +24,9 @@ namespace ShrinkContext.Tests
            _catalog.Register("provider", () => new ConfigProviderComponent("provider", "svc"));
            _catalog.Register("provider.alt", () => new ConfigProviderComponent("provider.alt", "svc"));
            _catalog.Register("consumer", () => new ConsumerComponent("consumer", "svc"));
+            _catalog.Register("failing", () => new FailingComponent("failing", "svc"));
+            _catalog.Register("policy.provider", () => new PolicyProviderComponent("policy.service"));
+            _catalog.Register("policy.consumer", () => new PolicyConsumerComponent("policy.service"));
            _loader = new ShrinkContextLoader(_runtime, _catalog);
        }

@@ -223,5 +226,87 @@ namespace ShrinkContext.Tests
            Assert.AreEqual("from-r2", ((ConsumerComponent)consumerFiber.Component).LastSeen,
                "消费者按自身隔离域解析到 r2 的绑定");
        }
+
+        [Test]
+        public void IsolatedProviderReplacement_DoesNotReloadOtherRealmConsumer()
+        {
+            var isolateR1 = new Dictionary<string, string> { ["svc"] = "r1" };
+            var isolateR2 = new Dictionary<string, string> { ["svc"] = "r2" };
+            TestAwait.Run(_loader.ApplyAsync(new List<ShrinkLoaderEntry>
+            {
+                new("p1", "provider", "r1-v1", isolate: isolateR1),
+                new("p2", "provider", "r2-v1", isolate: isolateR2),
+                new("c2", "consumer", isolate: isolateR2),
+            }));
+            Assert.IsTrue(_loader.TryGetFiber("c2", out var consumerFiber));
+            var consumer = (ConsumerComponent)consumerFiber.Component;
+            Assert.AreEqual(1, consumer.LoadCount);
+
+            TestAwait.Run(_loader.ApplyAsync(new List<ShrinkLoaderEntry>
+            {
+                new("p1", "provider", "r1-v2", isolate: isolateR1),
+                new("p2", "provider", "r2-v1", isolate: isolateR2),
+                new("c2", "consumer", isolate: isolateR2),
+            }));
+
+            Assert.AreEqual(1, consumer.LoadCount,
+                "r1 提供者替换不得触发只解析 r2 的消费者重载");
+            Assert.AreEqual("r2-v1", consumer.LastSeen);
+        }
+
+        [Test]
+        public void InterceptUpdate_ChangesAccessWithoutReloadingFiber()
+        {
+            var suffixA = new Dictionary<string, IReadOnlyDictionary<string, object?>>
+            {
+                ["policy.service"] = new Dictionary<string, object?> { ["suffix"] = "-a" }
+            };
+            var suffixB = new Dictionary<string, IReadOnlyDictionary<string, object?>>
+            {
+                ["policy.service"] = new Dictionary<string, object?> { ["suffix"] = "-b" }
+            };
+
+            TestAwait.Run(_loader.ApplyAsync(new List<ShrinkLoaderEntry>
+            {
+                new("policy-provider", "policy.provider", "base"),
+                new("policy-consumer", "policy.consumer", intercept: suffixA),
+            }));
+            Assert.IsTrue(_loader.TryGetFiber("policy-consumer", out var firstFiber));
+            var consumer = (PolicyConsumerComponent)firstFiber.Component;
+            Assert.AreEqual("base-a", consumer.Read());
+            Assert.AreEqual(1, consumer.ApplyCount);
+
+            TestAwait.Run(_loader.ApplyAsync(new List<ShrinkLoaderEntry>
+            {
+                new("policy-provider", "policy.provider", "base"),
+                new("policy-consumer", "policy.consumer", intercept: suffixB),
+            }));
+
+            Assert.IsTrue(_loader.TryGetFiber("policy-consumer", out var sameFiber));
+            Assert.AreSame(firstFiber, sameFiber);
+            Assert.AreEqual(1, consumer.ApplyCount, "intercept 元数据变化不应触发 reload");
+            Assert.AreEqual("base-b", consumer.Read(), "访问时应读取更新后的 metadata");
+        }
+
+        [Test]
+        public void FailedReplacement_RestoresPreviousLoaderCompositionAndReportsTransaction()
+        {
+            TestAwait.Run(_loader.ApplyAsync(new List<ShrinkLoaderEntry>
+            {
+                new("provider-entry", "provider", "stable")
+            }));
+
+            Assert.Throws<ShrinkLoaderException>(() => TestAwait.Run(_loader.ApplyAsync(
+                new List<ShrinkLoaderEntry> { new("provider-entry", "failing") })));
+
+            Assert.IsTrue(_loader.TryGetFiber("provider-entry", out var restored));
+            Assert.AreEqual(ShrinkFiberState.Active, restored.State);
+            Assert.AreEqual("stable", restored.Config);
+            Assert.IsNotNull(_loader.LastTransaction);
+            Assert.AreEqual(ShrinkLoaderTransactionPhase.Failed, _loader.LastTransaction!.Phase);
+            Assert.IsTrue(_loader.LastTransaction.RestoreAttempted);
+            Assert.IsTrue(_loader.LastTransaction.PreviousCompositionRestored);
+            StringAssert.Contains("failed during apply", _loader.LastTransaction.ErrorMessage);
+        }
    }
 }