test: 更新单元测试

Author: ArgoZhang

src/BootstrapBlazor/Misc/ExpandableNodeCache.cs

@@ -55,18 +55,9 @@ public virtual async Task ToggleNodeAsync(TNode node, Func<TNode, Task<IEnumerab
             {
                 var items = await callback(node);
                 node.Items = items.ToList();
-                ICheckableNode<TItem>? checkNode = null;
-                if (node is ICheckableNode<TItem> c)
-                {
-                    checkNode = c;
-                }
                 foreach (var n in node.Items)
                 {
                     n.Parent = node;
-                    if (checkNode != null && n is ICheckableNode<TItem> currentNode)
-                    {
-                        currentNode.CheckedState = checkNode.CheckedState;
-                    }
                 }
             }
         }

test/UnitTest/Components/TreeViewTest.cs

@@ -369,26 +369,35 @@ public async Task OnExpandRowAsync_CheckCascadeStateWithoutChild_Ok()
             });
         });
 
-        var checkboxes = cut.FindComponents<Checkbox<CheckboxState>>();
+        var checkboxes = cut.FindComponents<Checkbox<TreeViewItem<TreeFoo>>>();
 
-        // 初始状态
+        // 初始状态 第一节点未选中 第二节点选中
         Assert.Equal(CheckboxState.UnChecked, checkboxes[0].Instance.State);
         Assert.Equal(CheckboxState.Checked, checkboxes[1].Instance.State);
 
+        // 展开第一个节点
         await cut.InvokeAsync(() => cut.Find(".fa-caret-right.visible").Click());
         Assert.True(expanded);
 
         cut.WaitForState(() => cut.Instance.Items[0].Items.Count > 0);
+        // 101 unchecked
+        // -> 101-101 unchecked
+        // -> 101-102 checked
+        // 102 checked
 
         // 展开状态
-        checkboxes = cut.FindComponents<Checkbox<CheckboxState>>();
+        checkboxes = cut.FindComponents<Checkbox<TreeViewItem<TreeFoo>>>();
         Assert.Equal(CheckboxState.Indeterminate, checkboxes[0].Instance.State);
         Assert.Equal(CheckboxState.UnChecked, checkboxes[1].Instance.State);
         Assert.Equal(CheckboxState.Checked, checkboxes[2].Instance.State);
 
         // 级联选中-父级
         await cut.InvokeAsync(() => checkboxes[1].Instance.SetState(CheckboxState.Checked));
-        Assert.Equal(CheckboxState.Checked, checkboxes[0].Instance.State);
+
+        // 由于缺少 JS 回调单元测试中 Instance.State 无法获取到最新状态
+        Assert.Equal(CheckboxState.Checked, checkboxes[0].Instance.Value.CheckedState);
+
+
     }
 
     [Fact]