我有模型 Question
是 has_many
Answer
。我需要一个问题至少有一个答案,我正在使用 rspec
validates :answers, length: { minimum: 1 }
我的工厂:
FactoryGirl.define do
factory :question do
text "Enunciado de la pregunta"
transient do
answers_count 2
end
after(:create) do |q, ev|
create_list(:answer, ev.answers_count, question: q)
end
end
factory :answer do
text "Enunciado de la respuesta"
end
end
但是当我在规范文件中执行 create(:question)
时,它会抛出一个 RecordInvalid
异常(create 会尝试保存模型,但关联的答案是在 create 之后创建的) .
尝试更改为 after(:build)
但效果不佳。
如何在没有回调的情况下构建保留 transient answers_count
参数的所需答案?
最佳答案
如您所知,您需要在保存问题之前创建关联。
我想你可能想做这样的事情:
FactoryGirl.define do
factory :question do
...
answers { [association(:answer, answers_count: 2 )] }
end
end
或者 build_list
方法可能会有所帮助:
after(:build) do |q, ev|
build_list(:answer, ev.answers_count, question: q)
end
我能够使用 after(:build)
让它工作。参见 docs after(:build)
及其回调顺序。
我用这个设置让它在 mongo 中工作:
#spec/models/question_spec.rb
describe Question do
let!( :question ){create :question}
it 'should work', :focus do
expect( question ).to be_valid
puts question.inspect
puts question.answers.inspect
end
end
#spec/factories/questions.rb
FactoryGirl.define do
factory :question do
text "Enunciado de la pregunta"
transient do
answers_count 2
end
after(:build) do |q, ev|
create_list(:answer, ev.answers_count, question: q)
end
end
factory :answer do
text "Enunciado de la respuesta"
end
end
#models/question.rb
class Question
include Mongoid::Document
include Mongoid::Attributes::Dynamic
field :text, type:String
has_many :answers
validates_presence_of :answers
end
#models/answer.rb
class Answer
include Mongoid::Document
include Mongoid::Attributes::Dynamic
field :text, type:String
belongs_to :question
end
我的测试结果是这样的:
Run options: include {:focus=>true}
#<Question _id: 590a20ef8a681843088580bb, text: "Enunciado de la pregunta">
[#<Answer _id: 590a20ef8a681843088580ba, text: "Enunciado de la respuesta", question_id: BSON::ObjectId('590a20ef8a681843088580bb')>, #<Answer _id: 590a20ef8a681843088580bc, text: "Enunciado de la respuesta", question_id: BSON::ObjectId('590a20ef8a681843088580bb')>]
.
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关于ruby-on-rails - 工厂女郎 : RecordInvalid with association length minimum validation on create,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43757284/