# File lib/fog/aws/requests/iam/create_user.rb, line 37
        def create_user(user_name, path='/')
          if data[:users].key?(user_name)
            raise Fog::AWS::IAM::EntityAlreadyExists.new "User with name #{user_name} already exists."
          end

          data[:users][user_name][:path] = path

          Excon::Response.new.tap do |response|
            response.status = 200
            response.body = { 'User' => {
              "UserId"     => data[:users][user_name][:user_id],
              "Path"       => path,
              "UserName"   => user_name,
              "Arn"        => (data[:users][user_name][:arn]).strip,
            },
            'RequestId' => Fog::AWS::Mock.request_id
            }
          end
        end