[RAILS] Create related data together with FactoryBot for yourself

Use after (: crate)


When user updates to teacher_account Create user_performance as related data.

user_performance uses polymorphic related


FactoryBot.define do
  factory :user do
    sequence(:username) { |n| "Testuser#{n}" }
    sequence(:email)    { |n| "tester#{n}@example.com" }
    password            { 'password' }
    phone_number        { "0#{rand(0..9)}0#{rand(1_000_000..99_999_999)}" }
    confirmed_at        { Date.today }

    trait :teacher_account do
      teacher   { true }

      after(:create) do |user|
        create(:user_performance, performancable: user)

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