补齐 package Tests 第一刀

Packages/com.flowscope.gamecore/Tests~/EditMode/PackageSmokeTests.cs

@@ -0,0 +1,70 @@
+using System.Threading;
+using System.Threading.Tasks;
+using FlowScope.Addressables;
+using FlowScope.Container;
+using FlowScope.Resources;
+using NUnit.Framework;
+
+namespace FlowScope.PackageTests.EditMode
+{
+    public sealed class PackageSmokeTests
+    {
+        [Test]
+        public void PackageAssemblies_CanBeReferencedFromPackageTests()
+        {
+            var container = new Container();
+            var backend = new AddressablesResourceBackend();
+            IResourceService resources = new ResourceService(new ImmediateBackend());
+
+            container.RegisterInstance(resources);
+
+            Assert.AreEqual("Addressables", backend.Name);
+            Assert.AreSame(resources, container.Resolve<IResourceService>());
+
+            container.Dispose();
+        }
+
+        [Test]
+        public void ResourceService_LoadAsync_CanRunInsidePackageTestAssembly()
+        {
+            var backend = new ImmediateBackend();
+            var service = new ResourceService(backend);
+
+            using var handle = service
+                .LoadAsync<TestAsset>("package-smoke", CancellationToken.None)
+                .GetAwaiter()
+                .GetResult();
+
+            Assert.That(handle.Asset, Is.Not.Null);
+            Assert.AreEqual(1, backend.LoadCalls);
+
+            handle.Dispose();
+
+            Assert.AreEqual(1, backend.ReleaseCalls);
+        }
+
+        private sealed class ImmediateBackend : IResourceBackend
+        {
+            public string Name => "Immediate";
+            public int LoadCalls { get; private set; }
+            public int ReleaseCalls { get; private set; }
+
+            public Task<T> LoadAsync<T>(string key, CancellationToken cancellationToken)
+                where T : class
+            {
+                LoadCalls++;
+                return Task.FromResult(new TestAsset() as T);
+            }
+
+            public void Release<T>(string key, T asset)
+                where T : class
+            {
+                ReleaseCalls++;
+            }
+        }
+
+        private sealed class TestAsset
+        {
+        }
+    }
+}