Testing usermanager creates a user but password hash property is null

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C#

authentication

authorization

, +

am working with Microsoft.AspNetCore.Identity.UserManager and I'm trying to mock the creation of a new user. In fact, it does create a new user with username, email etc. but the password hash property is still null.

This is how I set up mock usermanager with some additional setup:

var store = new Mock>();

var validator = new UserValidator();
var passValidator = new PasswordValidator();

var mgr = new Mock>(store.Object, null, null, null, null, null, null, null, null);
mgr.Object.UserValidators.Add(validator);
mgr.Object.PasswordValidators.Add(passValidator);
mgr.Object.PasswordHasher = new PasswordHasher();
mgr.Object.Options = AuthenticationRules.DefaultAuthenticationRules();

List users= new List();

mgr.Setup(x => x.DeleteAsync(It.IsAny())).ReturnsAsync(IdentityResult.Success);
mgr.Setup(x => x.CreateAsync(It.IsAny(), It.IsAny())).ReturnsAsync(IdentityResult.Success).Callback((x, y) => users.Add(x));
mgr.Setup(x => x.UpdateAsync(It.IsAny())).ReturnsAsync(IdentityResult.Success);

The 'DefaultAuthenticationRules' returns this:

 public static IdentityOptions DefaultAuthenticationRules(
IdentityOptions identityOptions = null)
    {
        if(identityOptions == null)
            identityOptions = new IdentityOptions();

        identityOptions.User.RequireUniqueEmail = true;
        identityOptions.Password.RequireNonAlphanumeric = false;
        identityOptions.Password.RequiredUniqueChars = 0;

        return identityOptions;
    }

I am then passing the mgr.Object to a method that handles the creation of the new user where 'Object' is _userManager

var creationResult = await _userManager.CreateAsync(_user, _registrationModel.Password);

if (!creationResult.Succeeded)
    return false;

return true;

_registrationModel.Password IS populated.

So now when the setup adding a new user in the callback to the list of users the user is populated without password hash. I am not exactly sure what I'm missing here. I'm missing something in mgr.Setup?

What I have tried:

I have tried to create identity options and create a setup for it and then add it as parameter like so:

var options = new Mock>();
var idOptions = AuthenticationRules.DefaultAuthenticationRules();
options.Setup(o => o.Value).Returns(idOptions);

var mgr = new Mock>(store.Object, options.Object, null, null, null, null, null, null, null);

But passwordhash property is still null for the user.

Thanks in advance.

Thanks in advance