Merge pull request #428 from mitio/wait-for-confirms-raise-on-closed-…

…channel

Raise when calling wait_for_confirms on a closed channel

lib/bunny/channel.rb

@@ -1783,6 +1783,8 @@ def wait_on_basic_get_continuations
 
     # @private
     def wait_on_confirms_continuations
+      raise_if_no_longer_open!
+
       if @connection.threaded
         t = Thread.current
         @threads_waiting_on_confirms_continuations << t

spec/higher_level_api/integration/publisher_confirms_spec.rb

@@ -60,6 +60,18 @@
           }.not_to raise_error
 
         end
+
+        it "raises an error when called on a closed channel" do
+          ch = connection.create_channel
+
+          ch.confirm_select
+
+          ch.close
+
+          expect {
+            ch.wait_for_confirms
+          }.to raise_error(Bunny::ChannelAlreadyClosed)
+        end
       end
 
       context "when some of the messages get nacked" do