test: 增加单元测试

Author: ArgoZhang

test/UnitTest/Components/BootstrapLabelTest.cs

@@ -0,0 +1,40 @@
+// 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 BootstrapLabelTest : BootstrapBlazorTestBase
+{
+    [Fact]
+    public void BootstrapLabelSetting_LabelWidth_Ok()
+    {
+        var cut = Context.RenderComponent<BootstrapLabelSetting>(pb =>
+        {
+            pb.Add(a => a.LabelWidth, 120);
+            pb.AddChildContent<BootstrapLabel>();
+        });
+        Assert.Equal("<label class=\"form-label\" style=\"--bb-row-label-width: 120px;\"></label>", cut.Markup);
+
+        var label = cut.FindComponent<BootstrapLabel>();
+        label.SetParametersAndRender(pb =>
+        {
+            pb.Add(a => a.LabelWidth, 80);
+        });
+        Assert.Equal("<label class=\"form-label\" style=\"--bb-row-label-width: 80px;\"></label>", cut.Markup);
+    }
+
+    [Fact]
+    public void LabelWidth_Ok()
+    {
+        var cut = Context.RenderComponent<BootstrapLabel>();
+        Assert.Equal("<label class=\"form-label\"></label>", cut.Markup);
+
+        cut.SetParametersAndRender(pb =>
+        {
+            pb.Add(a => a.LabelWidth, 120);
+        });
+        Assert.Equal("<label class=\"form-label\" style=\"--bb-row-label-width: 120px;\"></label>", cut.Markup);
+    }
+}