Splits a shitty factories.rb with multiple factory definitions into individual files for each factory. Very brittle, please never use this.

gistfile1.rb

FACTORY_DIR = 'spec/factories/'

lines = File.open(ARGV[0]).read

def write_factory(factory_name, factory_class, factory_lines)
  factory_file = FACTORY_DIR + factory_name + '.rb'

  outs = "FactoryGirl.define do\n"
  outs += "  factory :#{factory_name}"
  outs += ", class: '#{factory_class}'" if factory_class != nil
  outs += " do\n"
  factory_lines.each do |line|
    outs += "#{line}\n"
  end
  outs += "  end\n"
  outs += "end\n"

  puts factory_file

  if File.exists?(factory_file)
    puts "ERROR: #{factory_file} already exists. skipping..."
    return
  end

  File.open( factory_file, 'w' ) do |f|
    f.write(outs)
  end
end

factory_def_regex = /factory :(?<factory>\S+){1}(, class: "(?<class>\S+)")? do/
factory_name = nil
factory_class = nil
factory_lines = []

lines.each_line do |line|
  if factory_name != nil
    # super brittle check for end of factory.
    # if the indentation is off we're hosed.
    if line.rstrip == '  end'
      write_factory(factory_name, factory_class, factory_lines)
      factory_name = nil
      factory_class = nil
      factory_lines = []
      next
    end

    factory_lines << line.rstrip
  else
    if matches = factory_def_regex.match(line.strip)
      factory_name = matches[:factory]
      factory_class = matches[:class]
    end
  end
end