class method self.included

# File actionpack/lib/action_controller/test_process.rb, line 370
    def self.included(base)
      # execute the request simulating a specific HTTP method and set/volley the response
      # TODO: this should be un-DRY'ed for the sake of API documentation.
      %w( get post put delete head ).each do |method|
        base.class_eval <<-EOV, __FILE__, __LINE__
          def #{method}(action, parameters = nil, session = nil, flash = nil)
            @request.env['REQUEST_METHOD'] = "#{method.upcase}" if defined?(@request)
            process(action, parameters, session, flash)
          end
        EOV
      end
    end