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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;
namespace Microsoft.AspNetCore.Mvc.ModelBinding.Binders;
public class ServicesModelBinderProviderTest
{
public static TheoryData<BindingSource> NonServicesBindingSources
{
get
{
return new TheoryData<BindingSource>()
{
BindingSource.Header,
BindingSource.Form,
null,
};
}
}
[Theory]
[MemberData(nameof(NonServicesBindingSources))]
public void Create_WhenBindingSourceIsNotFromServices_ReturnsNull(BindingSource source)
{
// Arrange
var provider = new ServicesModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(IPersonService));
context.BindingInfo.BindingSource = source;
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
[Fact]
public void Create_WhenBindingSourceIsFromServices_ReturnsBinder()
{
// Arrange
var provider = new ServicesModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(IPersonService));
context.BindingInfo.BindingSource = BindingSource.Services;
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType<ServicesModelBinder>(result);
}
[Theory]
[MemberData(nameof(ParameterInfoData))]
public void Create_WhenBindingSourceIsNullableFromServices_ReturnsBinder(ParameterInfo parameterInfo, bool isOptional)
{
// Arrange
var provider = new ServicesModelBinderProvider();
var context = new TestModelBinderProviderContext(parameterInfo);
// Act
var result = provider.GetBinder(context);
// Assert
var binder = Assert.IsType<ServicesModelBinder>(result);
Assert.Equal(isOptional, binder.IsOptional);
}
private class IPersonService
{
}
public static TheoryData<ParameterInfo, bool> ParameterInfoData()
{
return new TheoryData<ParameterInfo, bool>()
{
{ ParameterInfos.NullableParameterInfo, true },
{ ParameterInfos.DefaultValueParameterInfo, true },
{ ParameterInfos.NonNullabilityContextParameterInfo, false },
{ ParameterInfos.NonNullableParameterInfo, false },
};
}
private class ParameterInfos
{
#nullable disable
public void TestMethod([FromServices] IPersonService param1, [FromServices] IPersonService param2 = null)
{ }
#nullable restore
#nullable enable
public void TestMethod2([FromServices] IPersonService param1, [FromServices] IPersonService? param2)
{ }
#nullable restore
public static ParameterInfo NonNullableParameterInfo
= typeof(ParameterInfos)
.GetMethod(nameof(ParameterInfos.TestMethod2))
.GetParameters()[0];
public static ParameterInfo NullableParameterInfo
= typeof(ParameterInfos)
.GetMethod(nameof(ParameterInfos.TestMethod2))
.GetParameters()[1];
public static ParameterInfo NonNullabilityContextParameterInfo
= typeof(ParameterInfos)
.GetMethod(nameof(ParameterInfos.TestMethod))
.GetParameters()[0];
public static ParameterInfo DefaultValueParameterInfo
= typeof(ParameterInfos)
.GetMethod(nameof(ParameterInfos.TestMethod))
.GetParameters()[1];
}
}
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