test: 更新单元测试

Author: ArgoZhang

test/UnitTest/Components/AutoFillTest.cs

@@ -3,8 +3,10 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
 
-using Microsoft.AspNetCore.Components.Web;
+using AngleSharp.Html.Dom;
+using Microsoft.AspNetCore.Components.Web.Virtualization;
 using Microsoft.Extensions.Localization;
+using System.Reflection;
 
 namespace UnitTest.Components;
 
@@ -306,4 +308,121 @@ public void ShowDropdownListOnFocus_Ok()
         });
         cut.DoesNotContain("data-bb-auto-dropdown-focus");
     }
+
+    [Fact]
+    public async Task IsVirtualize_Items()
+    {
+        var items = new List<Foo>() { new() { Name = "test1" }, new() { Name = "test2" } };
+        var cut = Context.RenderComponent<AutoFill<Foo>>(pb =>
+        {
+            pb.Add(a => a.IsLikeMatch, true);
+            pb.Add(a => a.Items, items);
+            pb.Add(a => a.Value, items[0]);
+            pb.Add(a => a.IsVirtualize, true);
+            pb.Add(a => a.RowHeight, 58f);
+            pb.Add(a => a.OverscanCount, 4);
+            pb.Add(a => a.OnGetDisplayText, f => f?.Name);
+        });
+
+        await cut.InvokeAsync(() => cut.Instance.TriggerFilter("2"));
+        cut.Contains("<div>test2</div>");
+    }
+
+    [Fact]
+    public async Task IsVirtualize_Items_Clearable_Ok()
+    {
+        var items = new List<Foo>() { new() { Name = "test1" }, new() { Name = "test2" } };
+        var cut = Context.RenderComponent<AutoFill<Foo>>(pb =>
+        {
+            pb.Add(a => a.Items, items);
+            pb.Add(a => a.Value, items[0]);
+            pb.Add(a => a.IsVirtualize, true);
+            pb.Add(a => a.IsClearable, true);
+            pb.Add(a => a.OnGetDisplayText, f => f?.Name);
+        });
+        await cut.InvokeAsync(() => cut.Instance.TriggerFilter("2"));
+
+        // 点击 Clear 按钮
+        var button = cut.Find(".clear-icon");
+        await cut.InvokeAsync(() => button.Click());
+        cut.SetParametersAndRender();
+
+        var input = cut.Find(".form-control");
+        Assert.Null(input.NodeValue);
+    }
+
+    [Fact]
+    public async Task IsVirtualize_OnQueryAsync_Clearable_Ok()
+    {
+        var query = false;
+        var startIndex = 0;
+        var requestCount = 0;
+        var searchText = string.Empty;
+        var cleared = false;
+        var items = new List<Foo>() { new() { Name = "test1" }, new() { Name = "test2" } };
+        var cut = Context.RenderComponent<AutoFill<Foo>>(pb =>
+        {
+            pb.Add(a => a.OnQueryAsync, option =>
+            {
+                query = true;
+                startIndex = option.StartIndex;
+                requestCount = option.Count;
+                searchText = option.SearchText;
+                return Task.FromResult(new QueryData<Foo>()
+                {
+                    Items = string.IsNullOrEmpty(searchText) ? items : items.Where(i => i.Name!.Contains(searchText, StringComparison.OrdinalIgnoreCase)),
+                    TotalCount = string.IsNullOrEmpty(searchText) ? 2 : 1
+                });
+            });
+            pb.Add(a => a.Value, items[0]);
+            pb.Add(a => a.IsVirtualize, true);
+            pb.Add(a => a.IsClearable, true);
+            pb.Add(a => a.OnGetDisplayText, f => f?.Name);
+            pb.Add(a => a.OnClearAsync, () =>
+            {
+                cleared = true;
+                return Task.CompletedTask;
+            });
+        });
+        await cut.InvokeAsync(() => cut.Instance.TriggerFilter("2"));
+        Assert.Equal("2", searchText);
+        Assert.Contains("<div>test2</div>", cut.Markup);
+
+        query = false;
+        // 点击 Clear 按钮
+        var button = cut.Find(".clear-icon");
+        await cut.InvokeAsync(() => button.Click());
+
+        Assert.True(query);
+        Assert.True(cleared);
+
+        // OnQueryAsync 返回空集合
+        cut.SetParametersAndRender(pb =>
+        {
+            pb.Add(a => a.OnQueryAsync, option =>
+            {
+                return Task.FromResult(new QueryData<Foo>()
+                {
+                    Items = null,
+                    TotalCount = 0
+                });
+            });
+        });
+        await cut.InvokeAsync(() => button.Click());
+    }
+
+    [Fact]
+    public void Clearable_Ok()
+    {
+        var items = new List<int?>() { 1, 2 };
+        var cut = Context.RenderComponent<AutoFill<int?>>(pb =>
+        {
+            pb.Add(a => a.Items, items);
+            pb.Add(a => a.Value, items[0]);
+            pb.Add(a => a.IsVirtualize, true);
+            pb.Add(a => a.IsClearable, true);
+            pb.Add(a => a.OnGetDisplayText, f => f?.ToString());
+        });
+        cut.Contains("clear-icon");
+    }
 }