Create files whose size represents the JUnit test execution time, for visualizing with Baobab, Filelight, etc.

junit2filesize

#!/usr/bin/ruby
require 'rexml/document'
require 'rexml/streamlistener'
require 'fileutils'
include REXML

class Listener
  include StreamListener
  def tag_start(name, attributes)
    if name == "testcase"
      puts "testcase: #{attributes['classname']} #{attributes['name']} #{attributes['time']}"
      dirname = attributes['classname'].gsub(/\./, '/')
      FileUtils.mkdir_p "#{dirname}"
      File.open("#{dirname}/#{attributes['name']}", 'w') {|f| f.write("0" * (attributes['time'].to_f * 1000)) }
    end
  end
end

listener = Listener.new
parser = Parsers::StreamParser.new(File.new("TESTS-TestSuites.xml"), listener)
FileUtils.mkdir_p "TESTS-TestSuites"
Dir.chdir "TESTS-TestSuites"
parser.parse