class Cucumber::Core::Test::Step

def action_location
  @action.location
end

def describe_source_to(visitor, *args)
  source.reverse.each do |node|
    node.describe_to(visitor, *args)
  end
  self
end

def describe_to(visitor, *args)
  visitor.test_step(self, *args)
end

def execute(*args)
  @action.execute(*args)
end

def initialize(source, action = Test::UndefinedAction.new(source.last.location))
  raise ArgumentError if source.any?(&:nil?)
  @source, @action = source, action
end

def inspect
  "#<#{self.class}: #{location}>"
end

def location
  source.last.location
end

def skip(*args)
  @action.skip(*args)
end

def text
  source.last.text
end

def to_s
  text
end

def with_action(location = nil, &block)
  self.class.new(source, Test::Action.new(location, &block))
end