diff options
-rw-r--r-- | lib/action_cable/channel/base.rb | 12 | ||||
-rw-r--r-- | test/channel/stream_test.rb | 24 |
2 files changed, 34 insertions, 2 deletions
diff --git a/lib/action_cable/channel/base.rb b/lib/action_cable/channel/base.rb index 0b9aa2f4ad..221730dbc4 100644 --- a/lib/action_cable/channel/base.rb +++ b/lib/action_cable/channel/base.rb @@ -180,6 +180,10 @@ module ActionCable @defer_subscription_confirmation end + def subscription_confirmation_sent? + @subscription_confirmation_sent + end + private def delegate_connection_identifiers connection.identifiers.each do |identifier| @@ -231,8 +235,12 @@ module ActionCable end def transmit_subscription_confirmation - logger.info "#{self.class.name} is transmitting the subscription confirmation" - connection.transmit ActiveSupport::JSON.encode(identifier: @identifier, type: SUBSCRIPTION_CONFIRMATION_INTERNAL_MESSAGE) + unless subscription_confirmation_sent? + logger.info "#{self.class.name} is transmitting the subscription confirmation" + connection.transmit ActiveSupport::JSON.encode(identifier: @identifier, type: SUBSCRIPTION_CONFIRMATION_INTERNAL_MESSAGE) + + @subscription_confirmation_sent = true + end end end diff --git a/test/channel/stream_test.rb b/test/channel/stream_test.rb index 08cfef5736..d651ba1746 100644 --- a/test/channel/stream_test.rb +++ b/test/channel/stream_test.rb @@ -10,6 +10,11 @@ class ActionCable::Channel::StreamTest < ActionCable::TestCase stream_from "test_room_#{@room.id}" end end + + def send_confirmation + transmit_subscription_confirmation + end + end test "streaming start and stop" do @@ -53,4 +58,23 @@ class ActionCable::Channel::StreamTest < ActionCable::TestCase end end + test "stream_from subscription confirmation should only be sent out once" do + EM.run do + connection = TestConnection.new + connection.stubs(:pubsub).returns EM::Hiredis.connect.pubsub + + channel = ChatChannel.new connection, "test_channel" + channel.send_confirmation + channel.send_confirmation + + EM.run_deferred_callbacks + + expected = ActiveSupport::JSON.encode "identifier" => "test_channel", "type" => "confirm_subscription" + assert_equal expected, connection.last_transmission, "Did not receive subscription confirmation within 0.1s" + + assert_equal 1, connection.transmissions.size + EM.stop + end + end + end |