Agile Web Development with Rails, Edition 4

26.2 HAML 25.2 rake

Determine if a credit card is valid

edit Gemfile

gem 'activemerchant', '~> 1.31'

bundle install --local

Resolving dependencies...

Using rake 10.4.2

Using i18n 0.7.0

Using multi_json 1.11.0

Using activesupport 3.2.21 from source at /home/rubys/git/rails

Using builder 3.0.4

Using activemodel 3.2.21 from source at /home/rubys/git/rails

Using erubis 2.7.0

Using journey 1.0.4.20120614141756 from source at /home/rubys/git/journey

Using rack 1.4.5

Using rack-cache 1.2

Using rack-test 0.6.3

Using hike 1.2.3

Using tilt 1.4.1

Using sprockets 2.2.3

Using actionpack 3.2.21 from source at /home/rubys/git/rails

Using mime-types 1.25.1

Using polyglot 0.3.5

Using treetop 1.4.15

Using mail 2.5.4

Using actionmailer 3.2.21 from source at /home/rubys/git/rails

Using mini_portile 0.6.2

Using nokogiri 1.6.6.2

Using activemerchant 1.49.0

Using arel 3.0.3.20131114190737 from source at /home/rubys/git/arel

Using tzinfo 0.3.44

Using activerecord 3.2.21 from source at /home/rubys/git/rails

Using activeresource 3.2.21 from source at /home/rubys/git/rails

Using bcrypt-ruby 3.0.1

Using bundler 1.9.9

Using highline 1.7.2

Using net-ssh 2.9.2

Using net-scp 1.2.1

Using net-sftp 2.1.2

Using net-ssh-gateway 1.2.0

Using capistrano 2.15.5

Using coffee-script-source 1.9.1.1

Using execjs 2.5.2

Using coffee-script 2.4.1

Using rack-ssl 1.3.4

Using json 1.8.2

Using rdoc 3.12.2

Using thor 0.19.1

Using railties 3.2.21 from source at /home/rubys/git/rails

Using coffee-rails 3.2.2 from source at /home/rubys/git/coffee-rails

Using jquery-rails 3.1.2

Using jquery-ui-rails 5.0.5

Using mysql2 0.3.18

Using rails 3.2.21 from source at /home/rubys/git/rails

Using rvm-capistrano 1.5.6

Using sass 3.4.14

Using sass-rails 3.2.6 from source at /home/rubys/git/sass-rails

Using sqlite3 1.3.10

Using uglifier 2.7.1

Bundle complete! 13 Gemfile dependencies, 53 gems now installed.

Use `bundle show [gemname]` to see where a bundled gem is installed.

edit script/creditcard.rb

credit_card = ActiveMerchant::Billing::CreditCard.new(

  number:     '4111111111111111',

  month:      '8',

  year:       '2009',

  first_name: 'Tobias',

  last_name:  'Luetke',

  verification_value:  '123' 

)

puts "Is #{credit_card.number} valid?  #{credit_card.valid?}"

rails runner script/creditcard.rb

/home/rubys/.rvm/gems/ruby-2.1.5/gems/activemerchant-1.49.0/lib/active_merchant/billing/compatibility.rb:6:in `valid?': Implicit inclusion of Rails-specific functionality is deprecated. Explicitly require "active_merchant/billing/rails" if you need it.

Is 4111111111111111 valid?  false

26.2 HAML 25.2 rake