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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Reflection;
using Microsoft.Extensions.Internal;
namespace Microsoft.AspNetCore.Mvc.ViewFeatures;
public class HtmlAttributePropertyHelperTest
{
[Fact]
public void HtmlAttributePropertyHelper_RenamesPropertyNames()
{
// Arrange
var anonymous = new { bar_baz = "foo" };
var property = anonymous.GetType().GetTypeInfo().DeclaredProperties.First();
// Act
var helper = new HtmlAttributePropertyHelper(new(property));
// Assert
Assert.Equal("bar_baz", property.Name);
Assert.Equal("bar-baz", helper.Name);
}
[Fact]
public void HtmlAttributePropertyHelper_ReturnsNameCorrectly()
{
// Arrange
var anonymous = new { foo = "bar" };
var property = anonymous.GetType().GetTypeInfo().DeclaredProperties.First();
// Act
var helper = new HtmlAttributePropertyHelper(new(property));
// Assert
Assert.Equal("foo", property.Name);
Assert.Equal("foo", helper.Name);
}
[Fact]
public void HtmlAttributePropertyHelper_ReturnsValueCorrectly()
{
// Arrange
var anonymous = new { bar = "baz" };
var property = anonymous.GetType().GetTypeInfo().DeclaredProperties.First();
// Act
var helper = new HtmlAttributePropertyHelper(new(property));
// Assert
Assert.Equal("bar", helper.Name);
Assert.Equal("baz", helper.GetValue(anonymous));
}
[Fact]
public void HtmlAttributePropertyHelper_ReturnsValueCorrectly_ForValueTypes()
{
// Arrange
var anonymous = new { foo = 32 };
var property = anonymous.GetType().GetTypeInfo().DeclaredProperties.First();
// Act
var helper = new HtmlAttributePropertyHelper(new(property));
// Assert
Assert.Equal("foo", helper.Name);
Assert.Equal(32, helper.GetValue(anonymous));
}
[Fact]
public void HtmlAttributePropertyHelper_ReturnsCachedPropertyHelper()
{
// Arrange
var anonymous = new { foo = "bar" };
// Act
var helpers1 = HtmlAttributePropertyHelper.GetProperties(anonymous.GetType());
var helpers2 = HtmlAttributePropertyHelper.GetProperties(anonymous.GetType());
// Assert
Assert.Single(helpers1);
Assert.Same(helpers1, helpers2);
Assert.Same(helpers1[0], helpers2[0]);
}
[Fact]
public void HtmlAttributePropertyHelper_DoesNotShareCacheWithPropertyHelper()
{
// Arrange
var anonymous = new { bar_baz1 = "foo" };
// Act
var helpers1 = HtmlAttributePropertyHelper.GetProperties(anonymous.GetType());
var helpers2 = PropertyHelper.GetProperties(anonymous.GetType());
// Assert
Assert.Single(helpers1);
Assert.Single(helpers2);
Assert.NotEqual<object[]>(helpers1, helpers2);
Assert.NotEqual<object>(helpers1[0], helpers2[0]);
Assert.IsType<HtmlAttributePropertyHelper>(helpers1[0]);
Assert.IsNotType<HtmlAttributePropertyHelper>(helpers2[0]);
Assert.Equal("bar-baz1", helpers1[0].Name);
Assert.Equal("bar_baz1", helpers2[0].Name);
}
}
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