public static ISetup<T> SetupByName<T>(this Mock<T> mock, string methodName, params Expression<Func<object>>[] args) where T : class
        {
            object[] argTypes = args.Select(a => a.Body.NodeType == ExpressionType.Convert ? ((UnaryExpression)a.Body).Operand.Type : a.Body.Type).ToArray();
            var param = Expression.Parameter(typeof(T), "i");
            var method = typeof(T).GetMethod(methodName, argTypes.Cast<Type>().ToArray());
            if (method == null) { throw new ArgumentException($"{typeof(T).Name} does not contain a method \"{methodName}({string.Join(",",(object[])argTypes)})\".", nameof(methodName)); }
            var callArgs = args.Select(a => a.Body.NodeType == ExpressionType.Convert ? ((UnaryExpression)a.Body).Operand : a.Body);
            var call = Expression.Call(param, method, callArgs);
            var exp = Expression.Lambda<Action<T>>(call, param);
            return mock.Setup(exp);
        }