rails--rails/actioncable/test/connection/identifier_test.rb

# frozen_string_literal: true

require "test_helper"
require "stubs/test_server"
require "stubs/user"

class ActionCable::Connection::IdentifierTest < ActionCable::TestCase
  class Connection < ActionCable::Connection::Base
    identified_by :current_user
    attr_reader :websocket

    public :process_internal_message

    def connect
      self.current_user = User.new "lifo"
    end
  end

  test "connection identifier" do
    run_in_eventmachine do
      open_connection
      assert_equal "User#lifo", @connection.connection_identifier
    end
  end

  test "should subscribe to internal channel on open and unsubscribe on close" do
    run_in_eventmachine do
      server = TestServer.new

      open_connection(server)
      close_connection
      wait_for_async

      %w[subscribe unsubscribe].each do |method|
        pubsub_call = server.pubsub.class.class_variable_get "@@#{method}_called"

        assert_equal "action_cable/User#lifo", pubsub_call[:channel]
        assert_instance_of Proc, pubsub_call[:callback]
      end
    end
  end

  test "processing disconnect message" do
    run_in_eventmachine do
      open_connection

      assert_called(@connection.websocket, :close) do
        @connection.process_internal_message "type" => "disconnect"
      end
    end
  end

  test "processing invalid message" do
    run_in_eventmachine do
      open_connection

      assert_not_called(@connection.websocket, :close) do
        @connection.process_internal_message "type" => "unknown"
      end
    end
  end

  private
    def open_connection(server = nil)
      server ||= TestServer.new

      env = Rack::MockRequest.env_for "/test", "HTTP_HOST" => "localhost", "HTTP_CONNECTION" => "upgrade", "HTTP_UPGRADE" => "websocket"
      @connection = Connection.new(server, env)

      @connection.process
      @connection.send :handle_open
    end

    def close_connection
      @connection.send :handle_close
    end
end