def test_data file
        content = ''
        file_path = File.expand_path(File.join('.', 'app', 'test_data', "#{file}.yml"))
        raise "Can not find #{file}.yml" unless File.exists?(file_path)
        File.open(file_path, 'r') do |handle|
                content = handle.read
        end
        Psych.load ERB.new(content).result(binding)
end

<% require ‘active_support/all’ %>

$navi = <%= app_name.camelize %>Navigator.new $config