Add some specs for include_ations behaviour

spec/lib/include_actions_spec.rb

@@ -0,0 +1,35 @@
+require File.expand_path(File.join(File.dirname(__FILE__), '../spec_helper'))
+
+module IncludeActionsSpec
+  module Actions
+    def foo; end
+    def bar; end
+    def faz; end
+  end
+
+  class ActionsController < ActionController::Base
+    include_actions Actions
+  end
+
+  class OnlyFooController < ActionController::Base
+    include_actions Actions, :only => :foo
+  end
+
+  class ExceptFooBarController < ActionController::Base
+    include_actions Actions, :except => [:foo, :bar]
+  end
+
+  describe "Include actions use case" do
+    it "ActionController should have actions from actions module" do
+      ActionsController.action_methods.should == ['foo', 'bar', 'faz'].to_set
+    end
+
+    it "OnlyFooController should have only :foo from actions module" do
+      OnlyFooController.action_methods.should == ['foo'].to_set
+    end
+
+    it "ExceptFooBarController should not have :foo, :bar from actions module" do
+      ExceptFooBarController.action_methods.should == ['faz'].to_set
+    end
+  end
+end