[PM-6666] Two factor Validator refactor (#4894)

* initial device removal

* Unit Testing

* Finalized tests

* initial commit refactoring two factor

* initial tests

* Unit Tests

* initial device removal

* Unit Testing

* Finalized tests

* initial commit refactoring two factor

* initial tests

* Unit Tests

* Fixing some tests

* renaming and reorganizing

* refactored two factor flows

* fixed a possible issue with object mapping.

* Update TwoFactorAuthenticationValidator.cs

removed unused code

test/Identity.Test/Wrappers/UserManagerTestWrapper.cs

@@ -0,0 +1,96 @@
+
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+
+namespace Bit.Identity.Test.Wrappers;
+
+public class UserManagerTestWrapper<TUser> : UserManager<TUser> where TUser : class
+{
+    /// <summary>
+    /// Modify this value to mock the responses from UserManager.GetTwoFactorEnabledAsync()
+    /// </summary>
+    public bool TWO_FACTOR_ENABLED { get; set; } = false;
+    /// <summary>
+    /// Modify this value to mock the responses from UserManager.GetValidTwoFactorProvidersAsync()
+    /// </summary>
+    public IList<string> TWO_FACTOR_PROVIDERS { get; set; } = [];
+    /// <summary>
+    /// Modify this value to mock the responses from UserManager.GenerateTwoFactorTokenAsync()
+    /// </summary>
+    public string TWO_FACTOR_TOKEN { get; set; } = string.Empty;
+    /// <summary>
+    /// Modify this value to mock the responses from UserManager.VerifyTwoFactorTokenAsync()
+    /// </summary>
+    public bool TWO_FACTOR_TOKEN_VERIFIED { get; set; } = false;
+
+    /// <summary>
+    /// Modify this value to mock the responses from UserManager.SupportsUserTwoFactor
+    /// </summary>
+    public bool SUPPORTS_TWO_FACTOR { get; set; } = false;
+
+    public override bool SupportsUserTwoFactor
+    {
+        get
+        {
+            return SUPPORTS_TWO_FACTOR;
+        }
+    }
+
+    public UserManagerTestWrapper(
+        IUserStore<TUser> store,
+        IOptions<IdentityOptions> optionsAccessor,
+        IPasswordHasher<TUser> passwordHasher,
+        IEnumerable<IUserValidator<TUser>> userValidators,
+        IEnumerable<IPasswordValidator<TUser>> passwordValidators,
+        ILookupNormalizer keyNormalizer,
+        IdentityErrorDescriber errors,
+        IServiceProvider services,
+        ILogger<UserManager<TUser>> logger)
+        : base(store, optionsAccessor, passwordHasher, userValidators, passwordValidators,
+            keyNormalizer, errors, services, logger)
+    { }
+
+    /// <summary>
+    /// return class variable TWO_FACTOR_ENABLED
+    /// </summary>
+    /// <param name="user"></param>
+    /// <returns></returns>
+    public override async Task<bool> GetTwoFactorEnabledAsync(TUser user)
+    {
+        return TWO_FACTOR_ENABLED;
+    }
+
+    /// <summary>
+    /// return class variable TWO_FACTOR_PROVIDERS
+    /// </summary>
+    /// <param name="user"></param>
+    /// <returns></returns>
+    public override async Task<IList<string>> GetValidTwoFactorProvidersAsync(TUser user)
+    {
+        return TWO_FACTOR_PROVIDERS;
+    }
+
+    /// <summary>
+    /// return class variable TWO_FACTOR_TOKEN
+    /// </summary>
+    /// <param name="user"></param>
+    /// <param name="tokenProvider"></param>
+    /// <returns></returns>
+    public override async Task<string> GenerateTwoFactorTokenAsync(TUser user, string tokenProvider)
+    {
+        return TWO_FACTOR_TOKEN;
+    }
+
+    /// <summary>
+    /// return class variable TWO_FACTOR_TOKEN_VERIFIED
+    /// </summary>
+    /// <param name="user"></param>
+    /// <param name="tokenProvider"></param>
+    /// <param name="token"></param>
+    /// <returns></returns>
+    public override async Task<bool> VerifyTwoFactorTokenAsync(TUser user, string tokenProvider, string token)
+    {
+        return TWO_FACTOR_TOKEN_VERIFIED;
+    }
+}