Rspec 如何在工厂里建厂女孩与许多人有联系
有没有人能告诉我,我是不是在错误地进行设置 我有以下模型,这些模型有很多联系:Rspec 如何在工厂里建厂女孩与许多人有联系,rspec,ruby-on-rails-3.1,has-many-through,factory-bot,Rspec,Ruby On Rails 3.1,Has Many Through,Factory Bot,有没有人能告诉我,我是不是在错误地进行设置 我有以下模型,这些模型有很多联系: class Listing < ActiveRecord::Base attr_accessible ... has_many :listing_features has_many :features, :through => :listing_features validates_presence_of ... ... end class Feature < Ac
class Listing < ActiveRecord::Base
attr_accessible ...
has_many :listing_features
has_many :features, :through => :listing_features
validates_presence_of ...
...
end
class Feature < ActiveRecord::Base
attr_accessible ...
validates_presence_of ...
validates_uniqueness_of ...
has_many :listing_features
has_many :listings, :through => :listing_features
end
class ListingFeature < ActiveRecord::Base
attr_accessible :feature_id, :listing_id
belongs_to :feature
belongs_to :listing
end
这里是工厂(:列表)
:listing_功能
和:功能
工厂的设置类似。如果
association:features
行被注释掉,则我的所有测试都通过。当它是
association :features, :factory => :feature
错误消息是
未定义#
的方法“each”,我认为这对我来说是有意义的,因为listing.features
返回一个数组。所以我把它改成了
association :features, [:factory => :feature]
我现在得到的错误是
ArgumentError:notregisted:features
以这种方式生成工厂对象是不明智的,还是我遗漏了什么?非常感谢您的所有意见 创建这些类型的关联需要使用FactoryGirl的回调
这里可以找到一组完美的例子
把它带到你的例子中
Factory.define :listing_with_features, :parent => :listing do |listing|
listing.after_create { |l| Factory(:feature, :listing => l) }
#or some for loop to generate X features
end
或者,您可以使用块并跳过
关联
关键字。这样就可以在不保存到数据库的情况下构建对象(否则,即使使用build
功能而不是create
,许多关联也会将记录保存到数据库)
我尝试了几种不同的方法,这是对我来说最可靠的方法(适合您的情况)
以下是我如何设置我的:
# Model 1 PreferenceSet
class PreferenceSet < ActiveRecord::Base
belongs_to :user
has_many :preferences, dependent: :destroy
end
#Model 2 Preference
class Preference < ActiveRecord::Base
belongs_to :preference_set
end
# factories/preference_set.rb
FactoryGirl.define do
factory :preference_set do
user factory: :user
filter_name "market, filter_structure"
factory :preference_set_with_preferences do
after(:create) do |preference|
create(:preference, preference_set: preference)
create(:filter_structure_preference, preference_set: preference)
end
end
end
end
# factories/preference.rb
FactoryGirl.define do
factory :preference do |p|
filter_name "market"
filter_value "12"
end
factory :filter_structure_preference, parent: :preference do
filter_name "structure"
filter_value "7"
end
end
希望有帮助。您可以使用trait:
FactoryGirl.define do
factory :listing do
...
trait :with_features do
features { build_list :feature, 3 }
end
end
end
使用回调
,如果需要创建数据库:
...
trait :with_features do
after(:create) do |listing|
create_list(:feature, 3, listing: listing)
end
end
在您的规格中使用如下:
let(:listing) { create(:listing, :with_features) }
这将消除工厂中的重复,并且更易于重用
您是否使用了association:features、[:factory=>:feature]?这是猫咪的叫声。
构建
和创建
的能力使其成为最通用的模式。然后使用此自定义FG构建策略为发布嵌套的属性,当测试控制器操作时,接受
的嵌套的关联
关键字对父级和子级使用相同的构建策略。因此,它可以构建不保存到数据库的对象。
# Model 1 PreferenceSet
class PreferenceSet < ActiveRecord::Base
belongs_to :user
has_many :preferences, dependent: :destroy
end
#Model 2 Preference
class Preference < ActiveRecord::Base
belongs_to :preference_set
end
# factories/preference_set.rb
FactoryGirl.define do
factory :preference_set do
user factory: :user
filter_name "market, filter_structure"
factory :preference_set_with_preferences do
after(:create) do |preference|
create(:preference, preference_set: preference)
create(:filter_structure_preference, preference_set: preference)
end
end
end
end
# factories/preference.rb
FactoryGirl.define do
factory :preference do |p|
filter_name "market"
filter_value "12"
end
factory :filter_structure_preference, parent: :preference do
filter_name "structure"
filter_value "7"
end
end
@preference_set = FactoryGirl.create(:preference_set_with_preferences)
FactoryGirl.define do
factory :listing do
...
trait :with_features do
features { build_list :feature, 3 }
end
end
end
...
trait :with_features do
after(:create) do |listing|
create_list(:feature, 3, listing: listing)
end
end
let(:listing) { create(:listing, :with_features) }