test: 增加单元测试

Author: ArgoZhang

test/UnitTest/Components/SelectTest.cs

@@ -106,6 +106,18 @@ public void Disabled_Ok()
         Assert.Contains("dropdown-item active disabled", cut.Markup);
     }
 
+    [Fact]
+    public void LookupService_Ok()
+    {
+        // 不给 Items 时走 LookupService
+        var cut = Context.RenderComponent<Select<string>>(pb =>
+        {
+            pb.Add(a => a.LookupServiceKey, "FooLookup");
+        });
+        cut.WaitForAssertion(() => cut.Contains("LookupService-Test-1"));
+        Assert.Equal(2, cut.Instance.Items.Count());
+    }
+
     [Fact]
     public void IsClearable_Ok()
     {