Get two associations within a Factory to share another association

Question

I\'ve got these 5 models: Guardian, Student, Relationship, RelationshipType and School. Between them, I\'ve got these associations

class Guardian < ActiveReco         


        

Answer 1

I'd use transient & dependent attributes in this case:

FactoryGirl.define do
  factory :relationship do
    transient do
      school { create(:school) }
      # now you can even override the school if you want!
    end

    guardian { create(:guardian, school: school) }
    student { create(:student, school: school) }
    relationship_type RelationshipType.first
  end
end

Usage:

relationship = FactoryGirl.create(:relationship)

relationship.guardian.school == relationship.student.school
# => true

And you can even override the school if you want:

awesome_school = FactoryGirl.create(:school)
awesome_relationship = FactoryGirl.create(:relationship, school: awesome_school)

awesome_relationship.guardian.school == awesome_school
# => true
awesome_relationship.student.school == awesome_school
# => true