test: 增加不可为空整形设置 IsClearable 单元测试

Author: ArgoZhang

test/UnitTest/Components/SelectTest.cs

@@ -135,7 +135,7 @@ public void Select_Lookup()
     }
 
     [Fact]
-    public void IsClearable_Ok()
+    public async Task IsClearable_Ok()
     {
         var val = "Test2";
         var cut = Context.RenderComponent<Select<string>>(pb =>
@@ -155,8 +155,8 @@ public void IsClearable_Ok()
             });
         });
         var clearButton = cut.Find(".clear-icon");
-        cut.InvokeAsync(() => clearButton.Click());
-        Assert.Empty(val);
+        await cut.InvokeAsync(() => clearButton.Click());
+        Assert.Null(val);
 
         // 提高代码覆盖率
         var select = cut;
@@ -175,6 +175,21 @@ public void IsClearable_Ok()
         validPi.SetValue(select.Instance, false);
         val = pi.GetValue(select.Instance, null)!.ToString();
         Assert.Contains("text-danger", val);
+
+        // 更改数据类型为不可为空 int
+        // IsClearable 参数无效
+        var cut1 = Context.RenderComponent<Select<int>>(pb =>
+        {
+            pb.Add(a => a.IsClearable, true);
+            pb.Add(a => a.Items, new List<SelectedItem>()
+            {
+                new("1", "Test1"),
+                new("2", "Test2"),
+                new("3", "Test3")
+            });
+            pb.Add(a => a.Value, 1);
+        });
+        cut1.DoesNotContain("clear-icon");
     }
 
     [Fact]
@@ -811,8 +826,8 @@ public async Task IsVirtualize_Items_Clearable_Ok()
         var button = cut.Find(".clear-icon");
         await cut.InvokeAsync(() => button.Click());
 
-        // UI 恢复 Test1
-        Assert.Equal("Test1", el.Value);
+        // 可为空数据类型 UI 为 ""
+        Assert.Equal("", el.Value);
 
         // 下拉框显示所有选项
         items = cut.FindAll(".dropdown-item");
@@ -870,8 +885,8 @@ public async Task IsVirtualize_OnQueryAsync_Clearable_Ok()
         var button = cut.Find(".clear-icon");
         await cut.InvokeAsync(() => button.Click());
 
-        // UI 恢复 Test1
-        Assert.Equal("All", el.Value);
+        // 可为空数据类型 UI 为 ""
+        Assert.Equal("", el.Value);
 
         // 下拉框显示所有选项
         Assert.True(query);