gistfile1.txt

module Matchers
  class HaveNotice
    def initialize(contents, scope)
      @contents, @scope = contents, scope
    end

    def matches?(response)
      response.should @scope.have_tag('div.notice', @contents)
    end

    def failure_message
      "expected response to contain #{@contents} but it didn't"
    end

    def negative_failure_message
      "expected response to not contain #{@contents} but it did"
    end
  end

  def have_notice(contents)
    HaveNotice.new(contents, self)
  end
end