describe "an instance generated by a factory that inherits from another factory" do before do define_model("User", name: :string, admin: :boolean, email: :string, upper_email: :string, login: :string) FactoryBot.define do factory :user do name { "John" } email { "#{name.downcase}@example.com" } login { email } factory :admin do name { "admin" } admin { true } upper_email { email.upcase } end end end end describe "the parent class" do subject { FactoryBot.create(:user) } it { should_not be_admin } its(:name) { should eq "John" } its(:email) { should eq "john@example.com" } its(:login) { should eq "john@example.com" } end describe "the child class redefining parent's attributes" do subject { FactoryBot.create(:admin) } it { should be_kind_of(User) } it { should be_admin } its(:name) { should eq "admin" } its(:email) { should eq "admin@example.com" } its(:login) { should eq "admin@example.com" } its(:upper_email) { should eq "ADMIN@EXAMPLE.COM" } end end describe "nested factories with different parents" do before do define_model("User", name: :string) FactoryBot.define do factory :user do name { "Basic User" } factory :male_user do name { "John Doe" } end factory :uppercase_male_user, parent: :male_user do after(:build) { |user| user.name = user.name.upcase } end end end end it "honors :parent over the factory block nesting" do expect(FactoryBot.build(:uppercase_male_user).name).to eq "JOHN DOE" end end