nokobugo.rb

require 'rubygems'
require 'nokogiri'

str = "<select id=\"cluster_configuration_data_snapshot_id\" name=\"cluster_configuration[data_snapshot_id]\"></select>"

#This one fails
failing = Proc.new do
  innards = "<option data-size=\"15\" value=\"\" volume_size=\"\">New volume</option>\n<option class=\"time\" data-html-suffix=\" (snap-f2e4f551) (Application Master) [64-bit]\" data-size=\"15\" datetime=\"2013-06-20T20:29:32+00:00\" value=\"8\" volume_id=\"14\" volume_size=\"15\" selected>\nThu Jun 20 20:29:32 2013  (snap-f2e4f551) (Application Master) [64-bit]\n</option>"
  x = Nokogiri::XML::Element.new('select', Nokogiri::XML(str))
  x.inner_html = innards
  if x.xpath(".//option[contains(normalize-space(string(.)), '8')]").empty?
    puts "bug reproduced"
  else
    puts "UNEXPECTED"
  end
end

#This one works
working = Proc.new do
  innards = "<option data-size=\"15\" value=\"\" volume_size=\"\">New volume</option>\n<option class=\"time\" data-html-suffix=\" (snap-f2e4f551) (Application Master) [64-bit]\" data-size=\"15\" datetime=\"2013-06-20T20:29:32+00:00\" value=\"8\" volume_id=\"14\" volume_size=\"15\" selected>\nThu Jun 20 20:29:32 2013  (snap-484a1eda) (Application Master) [64-bit]\n</option>"
  x = Nokogiri::XML::Element.new('select', Nokogiri::XML(str))
  x.inner_html = innards
  if x.xpath(".//option[contains(normalize-space(string(.)), '8')]").empty?
    puts "UNEXPECTED"
  else
    puts "CONTROL example still passes"
  end
end

working.call
failing.call
working.call
failing.call
failing.call
working.call