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Shoulda with TestUnit: Conditional Validation using Shoulda/Subject

/ Published in: Rails
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  1. class Post < ActiveRecord::Base
  2.   validates_presence_of :title
  3.   validates_presence_of :publishing_date, :if => :published
  4. end
  5.  
  6. class PostTest < ActiveSupport::TestCase
  7.  
  8.   context "Post that is NOT going to be published" do
  9.     should validate_presence_of(:title)
  10.     should_not validate_presence_of(:publishing_date)
  11.   end
  12.  
  13.   context "Post that is going to be published" do
  14.     subject do
  15.       Post.new(:title => 'Valid Title', :published => true)
  16.     end
  17.     should validate_presence_of(:publishing_date)
  18.   end
  19.  
  20. end

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