show_page debug helper for RSpec request specs that opens or reloads page in Chrome.

request_debug_helpers.rb

module RequestDebugHelpers

  DEBUG_URL = "http://example.dev/debug.html"

  def show_page
    filename = File.join(Rails.root, 'public', 'debug.html')
    File.open(filename, 'w') do |f|
      f.puts page.body.gsub("</title>", " (#{ current_path })\\0")
    end
    system "osascript", "-e", <<-OSASCRIPT
      tell application "Google Chrome" to tell the active tab of the first window
        if URL is "#{DEBUG_URL}"
          reload
        else
          do shell script "open -a 'Google Chrome' -g '#{DEBUG_URL}'"
        end if
      end tell
    OSASCRIPT
  end

end