# File lib/fog/aws/requests/iam/get_user.rb, line 41
        def get_user(username = nil, options = {})
          response  = Excon::Response.new
          user_body = nil

          if username.nil? # show current user
            user = self.current_user

            user_body = {
              'UserId'     => user[:user_id],
              'Arn'        => user[:arn].strip,
              'CreateDate' => user[:created_at]
            }

            unless @current_user_name == "root"
              user_body.merge!(
                'Path'     => user[:path],
                'UserName' => @current_user_name
              )
            end

          elsif !self.data[:users].key?(username)
            raise Fog::AWS::IAM::NotFound.new("The user with name #{username} cannot be found.")
          else
            user = self.data[:users][username]

            user_body = {
              'UserId'     => user[:user_id],
              'Path'       => user[:path],
              'UserName'   => username,
              'Arn'        => user[:arn].strip,
              'CreateDate' => user[:created_at]
            }
          end

          response.status = 200
          response.body = {
            'User'      => user_body,
            'RequestId' => Fog::AWS::Mock.request_id
          }

          response
        end