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270 lines
7.4 KiB
Ruby
270 lines
7.4 KiB
Ruby
require "test_helper"
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require "stubs/test_connection"
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require "stubs/room"
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class ActionCable::Channel::BaseTest < ActiveSupport::TestCase
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class ActionCable::Channel::Base
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def kick
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@last_action = [ :kick ]
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end
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def topic
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end
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end
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class BasicChannel < ActionCable::Channel::Base
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def chatters
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@last_action = [ :chatters ]
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end
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end
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class ChatChannel < BasicChannel
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attr_reader :room, :last_action
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after_subscribe :toggle_subscribed
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after_unsubscribe :toggle_subscribed
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def initialize(*)
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@subscribed = false
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super
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end
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def subscribed
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@room = Room.new params[:id]
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@actions = []
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end
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def unsubscribed
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@room = nil
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end
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def toggle_subscribed
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@subscribed = !@subscribed
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end
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def leave
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@last_action = [ :leave ]
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end
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def speak(data)
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@last_action = [ :speak, data ]
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end
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def topic(data)
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@last_action = [ :topic, data ]
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end
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def subscribed?
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@subscribed
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end
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def get_latest
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transmit data: "latest"
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end
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def receive
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@last_action = [ :receive ]
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end
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private
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def rm_rf
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@last_action = [ :rm_rf ]
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end
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end
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setup do
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@user = User.new "lifo"
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@connection = TestConnection.new(@user)
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@channel = ChatChannel.new @connection, "{id: 1}", id: 1
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end
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test "should subscribe to a channel" do
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@channel.subscribe_to_channel
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assert_equal 1, @channel.room.id
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end
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test "on subscribe callbacks" do
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@channel.subscribe_to_channel
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assert @channel.subscribed
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end
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test "channel params" do
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assert_equal({ id: 1 }, @channel.params)
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end
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test "unsubscribing from a channel" do
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@channel.subscribe_to_channel
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assert @channel.room
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assert @channel.subscribed?
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@channel.unsubscribe_from_channel
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assert ! @channel.room
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assert ! @channel.subscribed?
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end
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test "connection identifiers" do
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assert_equal @user.name, @channel.current_user.name
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end
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test "callable action without any argument" do
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@channel.perform_action "action" => :leave
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assert_equal [ :leave ], @channel.last_action
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end
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test "callable action with arguments" do
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data = { "action" => :speak, "content" => "Hello World" }
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@channel.perform_action data
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assert_equal [ :speak, data ], @channel.last_action
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end
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test "should not dispatch a private method" do
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@channel.perform_action "action" => :rm_rf
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assert_nil @channel.last_action
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end
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test "should not dispatch a public method defined on Base" do
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@channel.perform_action "action" => :kick
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assert_nil @channel.last_action
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end
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test "should dispatch a public method defined on Base and redefined on channel" do
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data = { "action" => :topic, "content" => "This is Sparta!" }
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@channel.perform_action data
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assert_equal [ :topic, data ], @channel.last_action
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end
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test "should dispatch calling a public method defined in an ancestor" do
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@channel.perform_action "action" => :chatters
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assert_equal [ :chatters ], @channel.last_action
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end
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test "should dispatch receive action when perform_action is called with empty action" do
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data = { "content" => "hello" }
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@channel.perform_action data
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assert_equal [ :receive ], @channel.last_action
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end
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test "transmitting data" do
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@channel.perform_action "action" => :get_latest
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expected = { "identifier" => "{id: 1}", "message" => { "data" => "latest" } }
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assert_equal expected, @connection.last_transmission
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end
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test "do not send subscription confirmation on initialize" do
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assert_nil @connection.last_transmission
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end
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test "subscription confirmation on subscribe_to_channel" do
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expected = { "identifier" => "{id: 1}", "type" => "confirm_subscription" }
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@channel.subscribe_to_channel
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assert_equal expected, @connection.last_transmission
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end
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test "actions available on Channel" do
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available_actions = %w(room last_action subscribed unsubscribed toggle_subscribed leave speak subscribed? get_latest receive chatters topic).to_set
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assert_equal available_actions, ChatChannel.action_methods
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end
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test "invalid action on Channel" do
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assert_logged("Unable to process ActionCable::Channel::BaseTest::ChatChannel#invalid_action") do
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@channel.perform_action "action" => :invalid_action
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end
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end
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test "notification for perform_action" do
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begin
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events = []
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ActiveSupport::Notifications.subscribe "perform_action.action_cable" do |*args|
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events << ActiveSupport::Notifications::Event.new(*args)
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end
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data = { "action" => :speak, "content" => "hello" }
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@channel.perform_action data
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assert_equal 1, events.length
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assert_equal "perform_action.action_cable", events[0].name
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assert_equal "ActionCable::Channel::BaseTest::ChatChannel", events[0].payload[:channel_class]
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assert_equal :speak, events[0].payload[:action]
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assert_equal data, events[0].payload[:data]
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ensure
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ActiveSupport::Notifications.unsubscribe "perform_action.action_cable"
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end
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end
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test "notification for transmit" do
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begin
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events = []
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ActiveSupport::Notifications.subscribe "transmit.action_cable" do |*args|
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events << ActiveSupport::Notifications::Event.new(*args)
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end
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@channel.perform_action "action" => :get_latest
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expected_data = { data: "latest" }
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assert_equal 1, events.length
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assert_equal "transmit.action_cable", events[0].name
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assert_equal "ActionCable::Channel::BaseTest::ChatChannel", events[0].payload[:channel_class]
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assert_equal expected_data, events[0].payload[:data]
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assert_nil events[0].payload[:via]
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ensure
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ActiveSupport::Notifications.unsubscribe "transmit.action_cable"
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end
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end
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test "notification for transmit_subscription_confirmation" do
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begin
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@channel.subscribe_to_channel
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events = []
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ActiveSupport::Notifications.subscribe "transmit_subscription_confirmation.action_cable" do |*args|
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events << ActiveSupport::Notifications::Event.new(*args)
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end
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@channel.stubs(:subscription_confirmation_sent?).returns(false)
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@channel.send(:transmit_subscription_confirmation)
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assert_equal 1, events.length
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assert_equal "transmit_subscription_confirmation.action_cable", events[0].name
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assert_equal "ActionCable::Channel::BaseTest::ChatChannel", events[0].payload[:channel_class]
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ensure
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ActiveSupport::Notifications.unsubscribe "transmit_subscription_confirmation.action_cable"
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end
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end
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test "notification for transmit_subscription_rejection" do
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begin
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events = []
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ActiveSupport::Notifications.subscribe "transmit_subscription_rejection.action_cable" do |*args|
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events << ActiveSupport::Notifications::Event.new(*args)
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end
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@channel.send(:transmit_subscription_rejection)
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assert_equal 1, events.length
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assert_equal "transmit_subscription_rejection.action_cable", events[0].name
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assert_equal "ActionCable::Channel::BaseTest::ChatChannel", events[0].payload[:channel_class]
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ensure
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ActiveSupport::Notifications.unsubscribe "transmit_subscription_rejection.action_cable"
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end
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end
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private
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def assert_logged(message)
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old_logger = @connection.logger
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log = StringIO.new
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@connection.instance_variable_set(:@logger, Logger.new(log))
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begin
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yield
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log.rewind
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assert_match message, log.read
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ensure
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@connection.instance_variable_set(:@logger, old_logger)
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end
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end
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end
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