// 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.DataProtection.AuthenticatedEncryption.ConfigurationModel;
using Microsoft.AspNetCore.DataProtection.Cng;
using Microsoft.AspNetCore.DataProtection.KeyManagement;
using Microsoft.AspNetCore.DataProtection.Test.Shared;
using Microsoft.AspNetCore.InternalTesting;
using Microsoft.Extensions.Logging.Abstractions;
using Moq;
 
namespace Microsoft.AspNetCore.DataProtection.AuthenticatedEncryption;
 
public class CngGcmAuthenticatedEncryptorFactoryTest
{
    [Fact]
    public void CreateEncrptorInstance_UnknownDescriptorType_ReturnsNull()
    {
        // Arrange
        var key = new Mock<IKey>();
        key.Setup(k => k.Descriptor).Returns(new Mock<IAuthenticatedEncryptorDescriptor>().Object);
 
        var factory = new CngGcmAuthenticatedEncryptorFactory(NullLoggerFactory.Instance);
 
        // Act
        var encryptor = factory.CreateEncryptorInstance(key.Object);
 
        // Assert
        Assert.Null(encryptor);
    }
 
    [ConditionalFact]
    [ConditionalRunTestOnlyOnWindows]
    public void CreateEncrptorInstance_ExpectedDescriptorType_ReturnsEncryptor()
    {
        // Arrange
        var descriptor = new CngGcmAuthenticatedEncryptorConfiguration().CreateNewDescriptor();
        var key = new Mock<IKey>();
        key.Setup(k => k.Descriptor).Returns(descriptor);
 
        var factory = new CngGcmAuthenticatedEncryptorFactory(NullLoggerFactory.Instance);
 
        // Act
        var encryptor = factory.CreateEncryptorInstance(key.Object);
 
        // Assert
        Assert.NotNull(encryptor);
        Assert.IsType<CngGcmAuthenticatedEncryptor>(encryptor);
    }
}