bitwarden-server/test/Common/AutoFixture/ControllerCustomization.cs

using AutoFixture;
using Microsoft.AspNetCore.Mvc;

namespace Bit.Test.Common.AutoFixture;

/// <summary>
/// Disables setting of Auto Properties on the Controller to avoid ASP.net initialization errors. Still sets constructor dependencies.
/// </summary>
/// <param name="fixture"></param>
public class ControllerCustomization : ICustomization
{
    private readonly Type _controllerType;
    public ControllerCustomization(Type controllerType)
    {
        if (!controllerType.IsAssignableTo(typeof(Controller)))
        {
            throw new Exception($"{nameof(controllerType)} must derive from {typeof(Controller).Name}");
        }

        _controllerType = controllerType;
    }

    public void Customize(IFixture fixture)
    {
        fixture.Customizations.Add(new BuilderWithoutAutoProperties(_controllerType));
    }
}
public class ControllerCustomization<T> : ICustomization where T : Controller
{
    public void Customize(IFixture fixture) => new ControllerCustomization(typeof(T)).Customize(fixture);
}