rspec + modelo de fábrica que prueba atributos anidados
Tengo una aplicación rails4 con rspec + factory_girl. Me gustaría probar la validación que asegura que el producto tenga al menos una característica, competencia, caso de uso e industria. Los primeros 3 deben pertenecer a un producto, pero la industria puede existir por sí sola. Todavía no he intentado poner a prueba a la industria ya que ni siquiera puedo hacer que el trabajo sea el primero 3.
Intenté el siguiente enfoque en el que creo una fábrica de productos que tiene product_feature, product_competition y product_usecase. Por alguna razón no está funcionando.
¿Utilizo el enfoque correcto? Si es así, ¿qué tiene de malo mi código?
1) Product nested attribute validation has a valid factory
Failure/Error: expect(create(:product_with_nested_attrs)).to be_valid
ActiveRecord::RecordInvalid:
Validation failed: You have to choose at least 1 industry., You must have at least 1 product feature., You must name at least 1 competition., You must describe at least 1 usecase.
product.rb (ACTUALIZADO)
belongs_to :user
has_many :industry_products, dependent: :destroy, inverse_of: :product
has_many :industries, through: :industry_products #industry exists without product; connected with has_many thru association
has_many :product_features, dependent: :destroy
has_many :product_competitions, dependent: :destroy
has_many :product_usecases, dependent: :destroy
accepts_nested_attributes_for :industry_products, reject_if: :all_blank, allow_destroy: true
accepts_nested_attributes_for :product_features, reject_if: :all_blank, allow_destroy: true
accepts_nested_attributes_for :product_competitions, reject_if: :all_blank, allow_destroy: true
accepts_nested_attributes_for :product_usecases, reject_if: :all_blank, allow_destroy: true
#UPDATE
validate :product_features_limit #Also have it for product_usecases and product_competititons
def product_features_limit
if self.product_features.reject(&:marked_for_destruction?).count > 10
self.errors.add :base, "You can't have more than 10 features."
elsif self.product_features.reject(&:marked_for_destruction?).count < 1
self.errors.add :base, "You must have at least 1 product feature."
end
end
fábrica
FactoryGirl.define do
factory :product_competititon do
competitor { Faker::Commerce.product_name }
differentiator { Faker::Lorem.paragraph }
product
end
factory :product_feature do
feature { Faker::Lorem.paragraph }
product
end
factory :product_usecase do
example { Faker::Lorem.sentence }
detail { Fakert::Lorem.paragraph }
product
end
factory :product do
name { Faker::Commerce.product_name }
company { Faker::Company.name }
website { 'https://example.com' }
oneliner { Faker::Lorem.sentence }
description { Faker::Lorem.paragraph }
user
factory :product_with_nested_attrs do
transient do
nested_attrs_count 1
end
after(:create) do |product, evaluator|
create_list(:product_feature, evaluator.nested_attrs_count, product: product)
create_list(:product_competititon, evaluator.nested_attrs_count, product: product)
create_list(:product_usecase, evaluator.nested_attrs_count, product: product)
end
end
end
end
product_spec.rb
RSpec.describe Product, type: :model do
describe "nested attribute validation" do
it "has a valid factory" do
expect(create(:product_with_nested_attrs).to be_valid
end
end
end