gistfile1.rb

class Product < ActiveRecord::Base

	validates :title,
	          presence: true,
	          uniqueness: true

	validates :price,
	          numericality: { greater_than_or_equal_to: 0.01 }


	validates :image_url,
	          format:     { with:         %r{\.(gif|jpg|jpeg|png)$}i,
	                        message:      'must be a URL for GIF, JPG or PNG image.', },
	          allow_blank:  true


end




class ProductsControllerTest < ActionController::TestCase
	setup do
		@product =   products(:one)
		@update  = { title:        'Lorem Ipsum',
		             description:  'Wibbles are fun!',
		             price:        19.95 }

	end

        # ...

	test "should update product" do
		put :update, :id => @product.to_param, :product => @update
		assert_redirected_to product_path(assigns(:product))
	end

        # ...
end

test_should_update_product(ProductsControllerTest) [/var/vhosts/ld.lolmaus.ru/test/functional/products_controller_test.rb:43]:
Expected block to return true value.