1 files changed, 27 insertions, 4 deletions
diff --git a/actioncable/test/channel/stream_test.rb b/actioncable/test/channel/stream_test.rb
index da26f81a5c..31dcde2e29 100644
--- a/actioncable/test/channel/stream_test.rb
+++ b/actioncable/test/channel/stream_test.rb
@@ -53,6 +53,7 @@ module ActionCable::StreamTests
         connection = TestConnection.new
         connection.expects(:pubsub).returns mock().tap { |m| m.expects(:subscribe).with("test_room_1", kind_of(Proc), kind_of(Proc)).returns stub_everything(:pubsub) }
         channel = ChatChannel.new connection, "{id: 1}", id: 1
+        channel.subscribe_to_channel
 
         connection.expects(:pubsub).returns mock().tap { |m| m.expects(:unsubscribe) }
         channel.unsubscribe_from_channel
@@ -64,6 +65,7 @@ module ActionCable::StreamTests
         connection = TestConnection.new
         connection.expects(:pubsub).returns mock().tap { |m| m.expects(:subscribe).with("channel", kind_of(Proc), kind_of(Proc)).returns stub_everything(:pubsub) }
         channel = SymbolChannel.new connection, ""
+        channel.subscribe_to_channel
 
         connection.expects(:pubsub).returns mock().tap { |m| m.expects(:unsubscribe) }
         channel.unsubscribe_from_channel
@@ -76,6 +78,7 @@ module ActionCable::StreamTests
         connection.expects(:pubsub).returns mock().tap { |m| m.expects(:subscribe).with("action_cable:stream_tests:chat:Room#1-Campfire", kind_of(Proc), kind_of(Proc)).returns stub_everything(:pubsub) }
 
         channel = ChatChannel.new connection, ""
+        channel.subscribe_to_channel
         channel.stream_for Room.new(1)
       end
     end
@@ -84,7 +87,9 @@ module ActionCable::StreamTests
       run_in_eventmachine do
         connection = TestConnection.new
 
-        ChatChannel.new connection, "{id: 1}", id: 1
+        channel = ChatChannel.new connection, "{id: 1}", id: 1
+        channel.subscribe_to_channel
+
         assert_nil connection.last_transmission
 
         wait_for_async
@@ -114,7 +119,7 @@ module ActionCable::StreamTests
     end
   end
 
-  require "action_cable/subscription_adapter/inline"
+  require "action_cable/subscription_adapter/async"
 
   class UserCallbackChannel < ActionCable::Channel::Base
     def subscribed
@@ -124,9 +129,16 @@ module ActionCable::StreamTests
     end
   end
 
-  class StreamEncodingTest < ActionCable::TestCase
+  class MultiChatChannel < ActionCable::Channel::Base
+    def subscribed
+      stream_from "main_room"
+      stream_from "test_all_rooms"
+    end
+  end
+
+  class StreamFromTest < ActionCable::TestCase
     setup do
-      @server = TestServer.new(subscription_adapter: ActionCable::SubscriptionAdapter::Inline)
+      @server = TestServer.new(subscription_adapter: ActionCable::SubscriptionAdapter::Async)
       @server.config.allowed_request_origins = %w( http://rubyonrails.com )
     end
 
@@ -153,6 +165,17 @@ module ActionCable::StreamTests
       end
     end
 
+    test "subscription confirmation should only be sent out once with muptiple stream_from" do
+      run_in_eventmachine do
+        connection = open_connection
+        expected = { "identifier" => { "channel" => MultiChatChannel.name }.to_json, "type" => "confirm_subscription" }
+        connection.websocket.expects(:transmit).with(expected.to_json)
+        receive(connection, command: "subscribe", channel: MultiChatChannel.name, identifiers: {})
+
+        wait_for_async
+      end
+    end
+
     private
       def subscribe_to(connection, identifiers:)
         receive connection, command: "subscribe", identifiers: identifiers