Agile Web Development with Rails, Edition 4

8.1 Iteration C1: Create the Catalog Listing 7.2 Iteration B2: Unit Testing

7.3 Playtime

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	modified:   app/models/product.rb
	modified:   test/controllers/products_controller_test.rb
	modified:   test/fixtures/products.yml
	modified:   test/models/product_test.rb
 
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git commit -a -m 'Validation!'
[master 9ae5f7b] Validation!
 4 files changed, 147 insertions(+), 8 deletions(-)
edit app/models/product.rb
class Product < ActiveRecord::Base
  validates :title, :description, :image_url, presence: true
  validates :price, numericality: {greater_than_or_equal_to: 0.01}
  validates :title, uniqueness: true
  validates :image_url, allow_blank: true, format: {
    with:    %r{\.(gif|jpg|png)\Z}i,
    message: 'must be a URL for GIF, JPG or PNG image.'
  }
  validates :title, length: {minimum: 10}
end

8.1 Iteration C1: Create the Catalog Listing 7.2 Iteration B2: Unit Testing