FactoryGirl定义 - 关联方法未定义



我有以下

in/app/models:

class Area < ActiveRecord::Base
   has_many :locations
end
class Location < ActiveRecord::Base
   belongs_to :area
end

in/app/test/factories/areas.rb

FactoryGirl.define do
  factory :area do
    name 'Greater Chicago Area'
    short_name 'Chicago'
    latitude 42
    longitude -88
  end
  factory :losangeles, class: Area do
     name 'Los_Angeles Area'
     short_name 'Los Angeles'
     latitude 50
     longitude 90
  end
end

in/app/test/factories/locations.rb

FactoryGirl.define do
  factory :location do
    name "Oak Lawn"
    latitude 34
    longitude 35
    association :area
  end
  factory :malibu, class: Location do
    name "Malibu"
    latitude 60
    longitude -40
    association :losangeles
  end
end

当我尝试运行这个时,我会得到:

NoMethodError: undefined method `losangeles=' for #<Location:0x00000102de1478>
test/unit/venue_test.rb:10:in `block in <class:VenueTest>'

任何帮助。

您正在遇到此错误,因为您正在尝试向malibu工厂说出一个称为losangeles的关联,而该关联是不存在的。存在的是创建Area的工厂losangeles。您想要的是:

FactoryGirl.define do
  factory :location do
    name "Oak Lawn"
    latitude 34
    longitude 35
    association :area
  end
  factory :malibu, class: Location do
    name "Malibu"
    latitude 60
    longitude -40
    association :area, factory: :losangeles
  end
end

请参阅此处的文档

请注意,您也可以使用嵌套来定义第二工厂:

FactoryGirl.define do
  factory :location do
    name "Oak Lawn"
    latitude 34
    longitude 35
    association :area
    factory :malibu do
      name "Malibu"
      latitude 60
      longitude -40
      association :area, factory: :losangeles
    end
  end
end

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