这让我发疯。我在不丢失上下文的情况下将其降至最低限度(我认为!)
我要做的只是检查更新值并将其保存到数据库时,该值是否已保存。我想这样做是因为我需要编写其他代码来有条件地防止在before_save回调中执行此操作,并且在确定运行正常之前,我无法对其进行测试!
工厂和规格都在下面,我敢肯定它确实很愚蠢,但我只是想不通...
FactoryGirl.define do
factory :programme do
name 'Trainee Programme'
end
factory :membership do
programme
end
factory :specialty do
sequence(:name) { |n| "Specialty #{n}" }
end
factory :user do
sequence(:email) { |n| "factorygirl-user-#{n}@remailer.org" }
password 'password'
password_confirmation 'password'
factory :trainee, class: User do
sequence(:email) { |n| "factorygirl-trainee-#{n}@remailer.org" }
name 'Factory Girl Trainee'
after(:create) do |user|
FactoryGirl.create(:membership, user: user, start_date: 1.day.ago)
end
end
end
end
describe Membership do
let(:trainee) { FactoryGirl.create(:trainee) }
it 'sets specialty' do
puts trainee.current_membership.inspect
trainee.current_membership.specialty = specialty
puts trainee.current_membership.inspect
trainee.current_membership.save!
puts trainee.current_membership.inspect
expect(trainee.current_membership.specialty).to eq(specialty)
end
end
规格失败,因为期望值显示为零。当我运行代码时,我得到的调试输出是:
#<Membership id: 11, user_id: 11, programme_id: 11, start_date: "2015-03-10", end_date: nil, created_at: "2015-03-11 22:02:51", updated_at: "2015-03-11 22:02:51", options: {}, specialty_id: nil, membership_type_id: nil>
#<Membership id: 11, user_id: 11, programme_id: 11, start_date: "2015-03-10", end_date: nil, created_at: "2015-03-11 22:02:51", updated_at: "2015-03-11 22:02:51", options: {}, specialty_id: nil, membership_type_id: nil>
#<Membership id: 11, user_id: 11, programme_id: 11, start_date: "2015-03-10", end_date: nil, created_at: "2015-03-11 22:02:51", updated_at: "2015-03-11 22:02:51", options: {}, specialty_id: nil, membership_type_id: nil>
好像专业分配从未发生过??
感谢BroiState和Mori给我一些指示,我得以确定它与持久性有关(特别是我的一种不尊重持久性的对象方法!)
trainee.current_membership的代码如下:
def current_membership
return unless memberships.current.any?
memberships.current.first
end
在会员中使用这些相关范围...
scope :started, -> { self.where("#{table_name}.#{_start_field}::TIMESTAMP < '#{Time.now}'") }
scope :not_ended, -> { self.where("#{table_name}.#{_end_field} IS NULL OR #{table_name}.#{_end_field}::TIMESTAMP > '#{Time.now}'") }
scope :current, -> { self.started.not_ended }
因此,每次对trainee.current_membership的调用都给了我“当前”会员记录的新实例
通过显式使用相同的对象,规范可以很好地通过,即:
it 'sets specialty' do
membership = trainee.current_membership
membership.specialty = specialty
membership.save!
expect(membership.specialty).to eq(specialty.reload)
end
本文收集自互联网,转载请注明来源。
如有侵权,请联系[email protected] 删除。
我来说两句