namespace ExperimentMoq
{
    public class DbEntity
    {
        public int Id { get; set; }
        public string Name { get; set; }
    }

    public class CustomDbContext : DbContext, IDisposable
    {
        public virtual IDbSet<DbEntity> DbEntities { get; set; }
    }

    public class Processor
    {
        private readonly CustomDbContext _dbContext;

        public Processor(CustomDbContext dbContext)
        {
            _dbContext = dbContext;
        }

        public DbEntity Find(int id)
        {
            return _dbContext.DbEntities.FirstOrDefault(dbEntity => dbEntity.Id == id);
        }
    }
}