test: 增加单元测试

Author: ArgoZhang

test/UnitTest/Components/AffixTest.cs

@@ -0,0 +1,25 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License
+// See the LICENSE file in the project root for more information.
+// Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
+
+namespace UnitTest.Components;
+
+public class AffixTest : BootstrapBlazorTestBase
+{
+    [Fact]
+    public void Position_Ok()
+    {
+        var cut = Context.RenderComponent<Affix>(pb =>
+        {
+            pb.Add(a => a.Offset, 100);
+            pb.Add(a => a.ZIndex, 10);
+            pb.Add(a => a.Position, AffixPosition.Bottom);
+            pb.Add(a => a.ChildContent, pb => pb.AddMarkupContent(0, "<button>Test</button>"));
+        });
+        Assert.Contains("bb-affix", cut.Markup);
+        Assert.Contains("position: sticky;", cut.Markup);
+        Assert.Contains("z-index: 10;", cut.Markup);
+        Assert.Contains("bottom: 100px;", cut.Markup);
+    }
+}