feat(ICacheManager): add Keys parameter (#5158)

* feat(ICacheManager): add Keys parameter

* test: 更新单元测试

Co-Authored-By: Alex chow <[email protected]>

Author: ArgoZhang

src/BootstrapBlazor/Services/CacheManager.cs

@@ -139,6 +139,40 @@ public DateTimeOffset GetStartTime()
         return ret;
     }
 
+    /// <summary>
+    /// 获得 缓存数量
+    /// </summary>
+    public long Count
+    {
+        get
+        {
+            var count = 0;
+            if (Cache is MemoryCache c)
+            {
+                count = c.Count;
+            }
+            return count;
+        }
+    }
+
+#if NET9_0_OR_GREATER
+    /// <summary>
+    /// 获得 缓存键集合
+    /// </summary>
+    public IEnumerable<object> Keys
+    {
+        get
+        {
+            var keys = Enumerable.Empty<object>();
+            if (Cache is MemoryCache c)
+            {
+                keys = c.Keys;
+            }
+            return keys;
+        }
+    }
+#endif
+
     #region Count
     public static int ElementCount(object? value)
     {

src/BootstrapBlazor/Services/ICacheManager.cs

@@ -55,4 +55,16 @@ public interface ICacheManager
     /// </summary>
     /// <param name="key"></param>
     void Clear(object? key = null);
+
+    /// <summary>
+    /// 获得 缓存数量
+    /// </summary>
+    long Count { get; }
+
+#if NET9_0_OR_GREATER
+    /// <summary>
+    /// 获得 缓存键集合
+    /// </summary>
+    IEnumerable<object> Keys { get; }
+#endif
 }

test/UnitTest/Services/CacheManagerTest.cs

@@ -24,6 +24,9 @@ public void GetStartTime_Ok()
         Cache.Clear("BootstrapBlazor_StartTime");
         Cache.SetStartTime();
         Assert.True(DateTime.Now > Cache.GetStartTime());
+
+        Assert.Equal(1, Cache.Count);
+        Assert.Single(Cache.Keys);
     }
 
     [Fact]