ruby on rails - Simple Spec That Validates_Associated -

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i trying test validation on campaign model. have form allows user create campaign should require choose program before can save it.

i tried following along few answers here on couldn't them work. here's have far..

the relationship..

class campaign < activerecord::base     belongs_to :program     validates_associated :program,          message: "you need choose program." end  class program < activerecord::base     has_many :campaigns end

..and spec.

it 'validates associated campaign'   campaign = build(:campaign)   expect(campaign.save).to false   expect(campaign.errors).to eq "you need choose program." end

the failure..

failures:    1) campaign validates associated campaign      failure/error: expect(campaign.save).to false         expected false             got true      # ./spec/models/campaign_spec.rb:34:in `block (2 levels) in <top (required)>'

validates_associated works when associated object present. in example spec campaign factory (i assume) not add associated program, no validation performed, , campaign saved.

what looking validates :program, presence: true, valid? return false if program missing.

see more info in rails guide activerecord validations.


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