require 'spec_helper' describe SlackRubyBot::Commands do let! :command do Class.new(SlackRubyBot::Commands::Base) do operator '=' operator '-' def self.call(client, data, match) send_message client, data.channel, "#{match[:operator]}: #{match[:expression]}" 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