require 'test_helper' class WorkerTest < ActiveSupport::TestCase class Receiver attr_accessor :last_action def run @last_action = :run end def process(message) @last_action = [ :process, message ] end def connection self end def logger # Impersonating a connection requires a TaggedLoggerProxy'ied logger. inner_logger = Logger.new(StringIO.new).tap { |l| l.level = Logger::UNKNOWN } ActionCable::Connection::TaggedLoggerProxy.new(inner_logger, tags: []) end end setup do @worker = ActionCable::Server::Worker.new @receiver = Receiver.new end teardown do @receiver.last_action = nil end test "invoke" do @worker.invoke @receiver, :run, connection: @receiver.connection assert_equal :run, @receiver.last_action end test "invoke with arguments" do @worker.invoke @receiver, :process, "Hello", connection: @receiver.connection assert_equal [ :process, "Hello" ], @receiver.last_action end end