foo.rb

      1 require 'test_helper'
      2 
      3 class ProductTest < ActiveSupport::TestCase
      4   test "the truth" do
      5 
      6     a = Advertiser.new
      7     a.name = 'advertiser one'
      8     assert a.save
      9 
     10     p = Product.new
     11     p.name = 'product one'
     12     p.belongs_to = a.id
     13     assert p.save
     14   end
     15 
     16 end