gistfile1.rb

require "spec_helper"

module Capybara
  module Node
    module Matchers
      def has_text?(content)
        normalized_content = normalize_whitespace(content)

        wait_until do
          normalize_whitespace(text).include?(normalized_content) or
          raise ExpectationNotMet
        end
      rescue Capybara::ExpectationNotMet
        return false
      end

      def has_no_text?(content)
        normalized_content = normalize_whitespace(content)

        wait_until do
          !normalize_whitespace(text).include?(normalized_content) or
          raise ExpectationNotMet
        end
      rescue Capybara::ExpectationNotMet
        return false
      end
      
      def normalize_whitespace(text)
        text.gsub(/\s+/, ' ').strip
      end

      alias_method :has_content?, :has_text?
      alias_method :has_no_content?, :has_no_text?
    end
  end
end

feature 'capybara' do
  scenario "ignores hidden elements", js: true do
   visit root_path
   save_and_open_page
   expect(page).to_not have_content("i'm hidden") 
  end
end