[FEATURE] Add events to be fired when mixers are created/destroyed

lib/punchblock/event.rb

@@ -17,4 +17,6 @@ class Event < RayoNode
   unjoined
   started_speaking
   stopped_speaking
+  mixer_created
+  mixer_destroyed
 }.each { |e| require "punchblock/event/#{e}"}

lib/punchblock/event/mixer_created.rb

@@ -0,0 +1,8 @@
+# encoding: utf-8
+
+module Punchblock
+  class Event
+    class MixerCreated < Event
+    end
+  end
+end

lib/punchblock/event/mixer_destroyed.rb

@@ -0,0 +1,8 @@
+# encoding: utf-8
+
+module Punchblock
+  class Event
+    class MixerDestroyed < Event
+    end
+  end
+end

spec/punchblock/event/mixer_created_spec.rb

@@ -0,0 +1,13 @@
+# encoding: utf-8
+
+require 'spec_helper'
+
+module Punchblock
+  class Event
+    describe MixerCreated do
+      subject { described_class.new target_mixer_name: 'foobar' }
+
+      its(:target_mixer_name) { should == 'foobar' }
+    end
+  end
+end

spec/punchblock/event/mixer_destroyed_spec.rb

@@ -0,0 +1,13 @@
+# encoding: utf-8
+
+require 'spec_helper'
+
+module Punchblock
+  class Event
+    describe MixerDestroyed do
+      subject { described_class.new target_mixer_name: 'foobar' }
+
+      its(:target_mixer_name) { should == 'foobar' }
+    end
+  end
+end