NMockRegistrationHandler.cs :  » Inversion-of-Control-Dependency-Injection » Autofac » AutofacContrib » NMock2 » C# / CSharp Open Source

// This software is part of the Autofac IoC container
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// http://autofac.org
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//
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Autofac;
using Autofac.Builder;
using Autofac.Core;
using NMock2;

namespace AutofacContrib.NMock2{
  /// <summary> Resolves unknown interfaces and Mocks using the <see cref="Mockery"/> from the scope. </summary>
  class NMockRegistrationHandler : IRegistrationSource
  {
        /// <summary>
        /// Retrieve a registration for an unregistered service, to be used
        /// by the container.
        /// </summary>
        /// <param name="service">The service that was requested.</param>
        /// <param name="registrationAccessor"></param>
        /// <returns>
        /// Registrations for the service.
        /// </returns>
        public IEnumerable<IComponentRegistration> RegistrationsFor
            (Service service, Func<Service, IEnumerable<IComponentRegistration>> registrationAccessor)
        {
            if (service == null)
                throw new ArgumentNullException("service");

            var typedService = service as TypedService;
            if (typedService == null ||
                !typedService.ServiceType.IsInterface ||
                typeof(IEnumerable).IsAssignableFrom(typedService.ServiceType))
                return Enumerable.Empty<IComponentRegistration>();

            var rb = RegistrationBuilder.ForDelegate((c, p) =>
                    c.Resolve<Mockery>().NewMock(typedService.ServiceType))
                .As(service)
                .InstancePerLifetimeScope();

            return new[] { rb.CreateRegistration() };
        }

      public bool IsAdapterForIndividualComponents
      {
          get { return false; }
      }
  }
}