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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 Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.AspNetCore.Mvc.ViewFeatures;
using Microsoft.AspNetCore.InternalTesting;
namespace Microsoft.AspNetCore.Mvc.Core;
/// <summary>
/// Test the RadioButton extensions in <see cref="HtmlHelperInputExtensions" /> class.
/// </summary>
public class HtmlHelperRadioButtonExtensionsTest
{
[Fact]
public void RadioButton_UsesSpecifiedExpression()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
// Act
var radioButtonResult = helper.RadioButton("Property1", value: "myvalue");
// Assert
Assert.Equal(
"<input id=\"HtmlEncode[[Property1]]\" name=\"HtmlEncode[[Property1]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonResult));
}
[Fact]
public void RadioButtonFor_UsesSpecifiedExpression()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
// Act
var radioButtonForResult = helper.RadioButtonFor(m => m.Property1, value: "myvalue");
// Assert
Assert.Equal(
"<input id=\"HtmlEncode[[Property1]]\" name=\"HtmlEncode[[Property1]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonForResult));
}
[Theory]
[InlineData("MyValue")]
[InlineData("myvalue")]
public void RadioButton_CheckedWhenValueMatchesSpecifiedExpression(string value)
{
// Arrange
var metadataProvider = new EmptyModelMetadataProvider();
var helper = DefaultTemplatesUtilities.GetHtmlHelper(new ViewDataDictionary<TestModel>(metadataProvider));
helper.ViewContext.ClientValidationEnabled = false;
helper.ViewData.Model = new TestModel { Property1 = value };
// Act
var radioButtonResult = helper.RadioButton("Property1", value: "myvalue");
// Assert
Assert.Equal(
"<input checked=\"HtmlEncode[[checked]]\" id=\"HtmlEncode[[Property1]]\" name=\"HtmlEncode[[Property1]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonResult));
}
[Theory]
[InlineData("MyValue")]
[InlineData("myvalue")]
public void RadioButtonFor_CheckedWhenValueMatchesSpecifiedExpression(string value)
{
// Arrange
var metadataProvider = new EmptyModelMetadataProvider();
var helper = DefaultTemplatesUtilities.GetHtmlHelper(new ViewDataDictionary<TestModel>(metadataProvider));
helper.ViewContext.ClientValidationEnabled = false;
helper.ViewData.Model = new TestModel { Property1 = value };
// Act
var radioButtonForResult = helper.RadioButtonFor(m => m.Property1, value: "myvalue");
// Assert
Assert.Equal(
"<input checked=\"HtmlEncode[[checked]]\" id=\"HtmlEncode[[Property1]]\" name=\"HtmlEncode[[Property1]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonForResult));
}
[Fact]
public void RadioButtonHelpers_UsesSpecifiedIsChecked()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
// Act
var radioButtonResult = helper.RadioButton("Property1", value: "myvalue", isChecked: true);
// Assert
Assert.Equal(
"<input checked=\"HtmlEncode[[checked]]\" id=\"HtmlEncode[[Property1]]\" name=\"HtmlEncode[[Property1]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonResult));
}
[Fact]
public void RadioButtonHelpers_UsesSpecifiedIsCheckedRegardlessOfValue()
{
// Arrange
var metadataProvider = new EmptyModelMetadataProvider();
var helper = DefaultTemplatesUtilities.GetHtmlHelper(new ViewDataDictionary<TestModel>(metadataProvider));
helper.ViewContext.ClientValidationEnabled = false;
helper.ViewData.Model = new TestModel { Property2 = true };
// Act
var radioButtonResult = helper.RadioButton("Property2", value: "myvalue", isChecked: false);
// Assert
Assert.Equal(
"<input id=\"HtmlEncode[[Property2]]\" name=\"HtmlEncode[[Property2]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonResult));
}
[Fact]
public void RadioButton_UsesSpecifiedHtmlAttributes()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
var htmlAttributes = new
{
attr = "value",
name = "-expression-", // overridden
};
// Act
var radioButtonResult = helper.RadioButton("Property1", "myvalue", htmlAttributes);
// Assert
Assert.Equal(
"<input attr=\"HtmlEncode[[value]]\" id=\"HtmlEncode[[Property1]]\" " +
"name=\"HtmlEncode[[Property1]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonResult));
}
[Fact]
public void RadioButtonFor_UsesSpecifiedHtmlAttributes()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
var htmlAttributes = new
{
attr = "value",
name = "-expression-", // overridden
};
// Act
var radioButtonForResult = helper.RadioButtonFor(m => m.Property1, "myvalue", htmlAttributes);
// Assert
Assert.Equal(
"<input attr=\"HtmlEncode[[value]]\" id=\"HtmlEncode[[Property1]]\" " +
"name=\"HtmlEncode[[Property1]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonForResult));
}
[Fact]
public void RadioButtonFor_Throws_IfFullNameEmpty()
{
// Arrange
var expectedMessage = "The name of an HTML field cannot be null or empty. Instead use methods " +
"Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper.Editor or Microsoft.AspNetCore.Mvc.Rendering." +
"IHtmlHelper`1.EditorFor with a non-empty htmlFieldName argument value.";
var helper = DefaultTemplatesUtilities.GetHtmlHelper("anotherValue");
var htmlAttributes = new
{
attr = "value",
};
// Act & Assert
ExceptionAssert.ThrowsArgument(
() => helper.RadioButtonFor(m => m, "myvalue", htmlAttributes),
paramName: "expression",
exceptionMessage: expectedMessage);
}
[Fact]
public void RadioButtonFor_DoesNotThrow_IfFullNameEmpty_WithNameAttribute()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper("anotherValue");
var htmlAttributes = new
{
attr = "value",
name = "-expression-",
};
// Act
var radioButtonForResult = helper.RadioButtonFor(m => m, "myvalue", htmlAttributes);
// Assert
Assert.Equal(
"<input attr=\"HtmlEncode[[value]]\" " +
"name=\"HtmlEncode[[-expression-]]\" type=\"HtmlEncode[[radio]]\" value=\"HtmlEncode[[myvalue]]\" />",
HtmlContentUtilities.HtmlContentToString(radioButtonForResult));
}
private class TestModel
{
public string Property1 { get; set; }
public bool Property2 { get; set; }
}
}
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