test: 更新单元测试

Author: ArgoZhang

src/BootstrapBlazor/Extensions/ICacheEntryExtensions.cs

@@ -17,9 +17,14 @@ public static class ICacheEntryExtensions
     /// 获得缓存项 <see cref="ICacheEntry"/> 最后访问时间
     /// </summary>
     /// <param name="entry"></param>
+    /// <param name="force"></param>
     /// <returns></returns>
-    public static DateTime? GetLastAccessed(this ICacheEntry entry)
+    public static DateTime? GetLastAccessed(this ICacheEntry entry, bool force = false)
     {
+        if (force)
+        {
+            _lastAccessedProperty = null;
+        }
         _lastAccessedProperty ??= entry.GetType().GetProperty("LastAccessed", BindingFlags.Instance | BindingFlags.NonPublic);
 
         DateTime? ret = null;

test/UnitTest/Extensions/ICacheEntryExtensionsTest.cs

@@ -3,6 +3,9 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
 
+using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.Primitives;
+
 namespace UnitTest.Extensions;
 
 public class ICacheEntryExtensionsTest : BootstrapBlazorTestBase
@@ -16,7 +19,42 @@ public void GetLastAccessed_Ok()
         });
 
         Assert.True(Cache.TryGetCacheEntry("test_01", out var entry));
-        var v = entry.GetLastAccessed();
+        var v = entry.GetLastAccessed(true);
         Assert.NotNull(v);
     }
+
+    [Fact]
+    public void GetLastAccessed_Null()
+    {
+        var mock = new MockCacheEntry();
+        var v = mock.GetLastAccessed(true);
+        Assert.Null(v);
+    }
+
+    class MockCacheEntry : ICacheEntry
+    {
+        public object Key { get; }
+        public object? Value { get; set; }
+        public DateTimeOffset? AbsoluteExpiration { get; set; }
+        public TimeSpan? AbsoluteExpirationRelativeToNow { get; set; }
+        public TimeSpan? SlidingExpiration { get; set; }
+        public IList<IChangeToken> ExpirationTokens { get; }
+        public IList<PostEvictionCallbackRegistration> PostEvictionCallbacks { get; }
+        public CacheItemPriority Priority { get; set; }
+        public long? Size { get; set; }
+
+        private int LastAccessed { get; set; }
+
+        public MockCacheEntry()
+        {
+            Key = "_test";
+            ExpirationTokens = [];
+            PostEvictionCallbacks = [];
+        }
+
+        public void Dispose()
+        {
+            throw new NotImplementedException();
+        }
+    }
 }