controller spec describing rails log contents

gistfile1.rb

        describe "logger" do
          before(:each) do
            @old_flush = controller.logger.auto_flushing
            @old_level = controller.logger.level
            controller.logger.auto_flushing=0
            controller.logger.level = ActiveSupport::BufferedLogger::Severity::ERROR
          end
          
          it "logs an error" do 
            #would prefer to test this with a test-spy / mock expectations but there's a lot of level-0 logging noise to ignore, so went with reading the log itself
            post :create, valid_notification_params
            controller.logger.send(:buffer).join.should include("expected log contents")
          end
          
          after(:each) do
            controller.logger.auto_flushing= @old_flush
            controller.logger.level = @old_level
          end
        end