require 'spec_helper' RSpec.describe Slack::RealTime::Client, vcr: { cassette_name: 'web/rtm_start' } do include_context 'connected client' describe '#message' do before do allow(client).to receive(:next_id).and_return(42) end it 'sends message' do expect(socket).to receive(:send_data).with({ type: 'message', id: 42, text: 'hello world', channel: 'channel' }.to_json) client.message(text: 'hello world', channel: 'channel') end end end