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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Reflection;
using System.Security.Principal;
using System.Web.Security;
using Moq;
using Xunit;
using Xunit.Extensions;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Helpers.Claims.Test
{
public class ClaimsIdentityConverterTest
{
[Fact]
public void TryConvert_NoMatches_ReturnsNull()
{
// Arrange
IIdentity identity = new Mock<IIdentity>().Object;
ClaimsIdentityConverter converter = new ClaimsIdentityConverter(new Func<IIdentity, ClaimsIdentity>[0]);
// Act
ClaimsIdentity retVal = converter.TryConvert(identity);
// Assert
Assert.Null(retVal);
}
[Fact]
public void TryConvert_ReturnsFirstMatch()
{
// Arrange
IIdentity identity = new Mock<IIdentity>().Object;
ClaimsIdentity claimsIdentity = new MockClaimsIdentity();
ClaimsIdentityConverter converter = new ClaimsIdentityConverter(new Func<IIdentity, ClaimsIdentity>[]
{
_ => null,
i => (i == identity) ? claimsIdentity : null
});
// Act
ClaimsIdentity retVal = converter.TryConvert(identity);
// Assert
Assert.Same(claimsIdentity, retVal);
}
[Theory]
[GrandfatheredTypesData]
public void TryConvert_SkipsGrandfatheredTypes(IIdentity identity)
{
// Arrange
ClaimsIdentityConverter converter = new ClaimsIdentityConverter(new Func<IIdentity, ClaimsIdentity>[]
{
_ => { throw new Exception("Should never be called."); }
});
// Act
ClaimsIdentity retVal = converter.TryConvert(identity);
// Assert
Assert.Null(retVal);
}
private sealed class GrandfatheredTypesDataAttribute : DataAttribute
{
// We need to subclass these types so that they implement the
// appropriate interface to be claims-based.
public override IEnumerable<object[]> GetData(MethodInfo methodUnderTest, Type[] parameterTypes)
{
yield return new object[] { new SubclassedFormsIdentity() };
yield return new object[] { new SubclassedGenericIdentity() };
SubclassedWindowsIdentity subclassedWindowsIdentity = null;
using (WindowsIdentity originalIdentity = WindowsIdentity.GetCurrent())
{
subclassedWindowsIdentity = new SubclassedWindowsIdentity(originalIdentity.Token);
}
yield return new object[] { subclassedWindowsIdentity };
}
}
private sealed class SubclassedFormsIdentity : FormsIdentity
{
public SubclassedFormsIdentity() : base(new FormsAuthenticationTicket("my-name", false, 60)) { }
}
private sealed class SubclassedGenericIdentity : GenericIdentity
{
public SubclassedGenericIdentity() : base("my-name") { }
}
private sealed class SubclassedWindowsIdentity : WindowsIdentity
{
public SubclassedWindowsIdentity(IntPtr userToken) : base(userToken) { }
}
}
}
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