Check Value of globals that have changed between tests

spec_helper.rb

  config.before do
    global_variables.each { |v| puts v }
    $initial_globals = global_variables.map { |v|
      $v = v
      [v, eval(v.to_s)]
    } - [[:$initial_globals, $initial_globals]]
  rescue Exception => e
    puts $v
    puts "error in before block"
    raise e
  end

  config.after do
    current_globals = global_variables.map { |v| [v, eval(v.to_s)] } - [[:$initial_globals, $initial_globals]]
    new_globals = current_globals - $initial_globals
    removed_globals = $initial_globals - current_globals

    unless new_globals.empty? && removed_globals.empty?
      puts "New globals: #{new_globals.map(&:first)}"
      puts "Removed globals: #{removed_globals.map(&:first)}"
    end
  end