test: 增加 AllowExtensions 单元测试

Author: ArgoZhang

test/UnitTest/Components/UploadCardTest.cs

@@ -145,6 +145,21 @@ public void CardUpload_ValidateForm_Ok()
         cut.Contains("form-label");
     }
 
+    [Fact]
+    public void AllowExtensions_Ok()
+    {
+        var cut = Context.RenderComponent<CardUpload<string>>(pb =>
+        {
+            pb.Add(a => a.AllowExtensions, [".dba"]);
+            pb.Add(a => a.DefaultFileList, new List<UploadFile>()
+            {
+                new() { FileName = "test.dba" }
+            });
+        });
+
+        cut.Contains("<span>test.dba</span> (0 B)");
+    }
+
     [Fact]
     public async Task CardUpload_ShowProgress_Ok()
     {