require 'test_helper' class ChannelTest < ActionCableTest class PingChannel < ActionCable::Channel::Base def self.matches?(identifier) identifier[:channel] == 'chat' && identifier[:user_id].to_i.nonzero? end end class PingServer < ActionCable::Server register_channels PingChannel end def app PingServer end test "channel callbacks" do ws = Faye::WebSocket::Client.new(websocket_url) end end