Creating multiple associated records when using FactoryGirl

definition.rb

FactoryGirl.define do
  factory :definition do
    title "definition title"
    body "definition body"
    cached_slug "definition-title"
    page 1
    created_at "2011-01-01 08:30:00"
    updated_at "2011-01-01 08:35:00"

    factory :definition_object_relations_theory do
      phrase { |definition| get_phrase_named("Ego") }
      publication { |definition| get_publication_named("Pearl Beyond Price") }
      title "Object Relations Theory"
      body "Object relations theory has become the dominant psychoanalytic theory of ego development. Its main insight is that the ego develops, primarily through the integration of early experiences, into organized mental structures...."
      cached_slug "object-relations-theory"
      page 54
    end
end

definition_test.rb

# in Cucumber or Rspec tests
@definition_1 = FactoryGirl.create(:definition_object_relations_theory)

phrase.rb

FactoryGirl.define do
  factory :phrase do
    name              "phrase name"
    letter            "a"
    cached_slug       "phrase-name"
    created_at        "2012-01-01 07:30:00"
    updated_at        "2012-01-01 07:35:00"
  end
end

support.rb

def get_phrase_named(name)
  letter = name[0,1].lowercase
  cached_slug = name.downcase.strip.gsub(' ', '-').gsub(/[^\w-]/, '')
  Phrase.where(:name => name).first || FactoryGirl.create(:phrase, :name => name, :letter => letter, :cached_slug => cached_slug)
end