Question

Here s my models :

Class Audition
  belongs_to :video
end

Class Video
  has_one :audition
end

and my factories :

Factory.define :video do |v|
  v.filename  {Sham.filename}
  v.video_url {Sham.url}
end

Factory.define :audition do |a|
  a.video     {|a| a.association(:video)}
  a.label     {Sham.label}
end

How could I create a video factory that have an audition,

I mean, be able to :

v = Factory.create(:video)
v.audition # I d like this to be not nil !

Because I have an observer on my video that try to access the audition from the video object

I tried several things but I always end with a stack level too deep or audition nil.

Do you have an idea ?

Thanks, Mike

Answer 1

If that s the case I would add the association into the other factory:

Factory.define :video do |v|
  v.filename                        {Sham.filename}
  v.video_url                       {Sham.url}
  v.audition                        {|v| v.association(:audition)}
end

Then you can do

v = Factory(:video) # This will now have an audition
a = v.audition # This should not be nil

and

a = Factory(:audition) # An audition without a video, if that s possible?

You can also override any association as needed when you create the factory in your tests, i.e:

v = Factory(:video, :audition => Factory(:audition))
v = Factory(:video, :audition => nil)

Hope what I ve said makes sense and is true lol. Let us know how you get on.

Answer 2

In 2020 the answer is to use traits with after create actions on one of the factories, e.g.

    trait :with_audition do
      after :create do |video|
        create(:audition, video: video)
      end
    end

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