actioncable/test/channel/broadcasting_test.rb


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# frozen_string_literal: true

require "test_helper"
require "active_support/testing/method_call_assertions"
require "stubs/test_connection"
require "stubs/room"

class ActionCable::Channel::BroadcastingTest < ActiveSupport::TestCase
  include ActiveSupport::Testing::MethodCallAssertions

  class ChatChannel < ActionCable::Channel::Base
  end

  setup do
    @connection = TestConnection.new
  end

  test "broadcasts_to" do
    assert_called_with(
      ActionCable.server,
      :broadcast,
      [
        "action_cable:channel:broadcasting_test:chat:Room#1-Campfire",
        "Hello World"
      ]
    ) do
      ChatChannel.broadcast_to(Room.new(1), "Hello World")
    end
  end

  test "broadcasting_for with an object" do
    assert_equal "Room#1-Campfire", ChatChannel.broadcasting_for(Room.new(1))
  end

  test "broadcasting_for with an array" do
    assert_equal "Room#1-Campfire:Room#2-Campfire", ChatChannel.broadcasting_for([ Room.new(1), Room.new(2) ])
  end

  test "broadcasting_for with a string" do
    assert_equal "hello", ChatChannel.broadcasting_for("hello")
  end
end