spawners.rb

class Measure
  def valid?
    true
  end
end
Measure.extend(Spawn).spawner do |measure|
  measure.source ||= ["profile","identity"].sample
  measure.key    ||= User::PROFILE_MEASURES.keys.sample.to_s
  measure.type   ||= measure.key
  measure.unit   ||= nil
  measure.user   ||= User.spawn
  measure.description ||= Faker::Lorem.sentence(5)
  measure.timestamp ||= DateTime.now.to_s
  measure.value  ||= User::PROFILE_MEASURES[measure.key.to_sym][:values].sample
end