load_test.rb

#!/usr/bin/env ruby
puts "Loading environment"
require File.expand_path('../../config/environment',  __FILE__)

class Foo < ActiveFedora::Base
  include ::CurationConcerns::WorkBehavior
  property :depositor, predicate: ::RDF::DC.creator, multiple: false
end

i = Foo.create! { |f| f.apply_depositor_metadata 'jcoyne' }
n = 100
require 'benchmark'

n.times do |n|
  time = Benchmark.measure do |x|
    image = Foo.find(i.id)
    fs = FileSet.create! { |f| f.apply_depositor_metadata 'jcoyne' }
    image.ordered_members << fs
    image.save!
  end

  puts "#{n} - #{time.real}"
end