require 'spec_helper' describe SlackRubyBot::Commands do let! :command do Class.new(SlackRubyBot::Commands::Base) do operator '=' operator '-' def self.call(data, command, arguments) send_message data.channel, "#{command}: #{arguments}" end end end def app SlackRubyBot::App.new end it 'supports operators' do expect(message: '=2+2').to respond_with_slack_message('=: ["2+2"]') end end