video_test.rb

gistfile1.rb

require 'test_helper'
 
class VideoTest < ActiveSupport::TestCase
  test "should accept only valid urls" do

    video = Video.new
    assert(video.invalid?) # blank urls are not accepted

    invalid_urls = # valid but not accepted
      %w{
        http://youtu.be/IN7O3pnvT6Q?hd=1
        http://youtu.be/IN7O3pnvT6Q
      }
    invalid_urls += # not valid and not accepted
      %w{
        http://www.youtube.com/v/with_a_long_hash
      }
    invalid_urls.each do |url|
      video.url = url
      assert(video.invalid?)
    end

    valid_urls = # valid and accepted
      %w{
        http://www.youtube.com/v/IN7O3pnvT6Q
        http://www.youtube.com/watch?v=IN7O3pnvT6Q
        http://www.youtube.com/watch?v=IN7O3pnvT6Q&hd=1
        http://www.youtube.com/watch?hd=1&v=IN7O3pnvT6Q
        http://www.youtube.com/watch?hd=1&v=IN7O3pnvT6Q&feature=topvideos
      }
    valid_urls += # not valid but accepted
      %w{
        mistyped_urlv/IN7O3pnvT6Q?params
        mistyped_urlv=IN7O3pnvT6Q&params
      }
    valid_urls.each do |url|
      video.url = url
      assert(video.valid?)
      video.save
      assert_equal("http://www.youtube.com/v/IN7O3pnvT6Q", video.url)
    end

  end
end