Determine if a credit card is valid
edit Gemfile
gem 'activemerchant'
bundle install
Using rake (0.9.2.2)
Using multi_json (1.2.0)
Using activesupport (3.1.6)
Using builder (3.0.0)
Using i18n (0.6.0)
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Using mime-types (1.19)
Using polyglot (0.3.3)
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Using mail (2.3.3)
Using actionmailer (3.1.6)
Using active_utils (1.0.3)
Using json (1.7.3)
Using money (5.0.0)
Using nokogiri (1.5.5)
Using activemerchant (1.24.0)
Using arel (2.2.3)
Using tzinfo (0.3.33)
Using activerecord (3.1.6)
Using activeresource (3.1.6)
Using bcrypt-ruby (3.0.1)
Using bundler (1.1.3)
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Using rails (3.1.6)
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Using sqlite3 (1.3.6)
Using uglifier (1.2.4)
Using will_paginate (3.0.3)
Updating .gem files in vendor/cache
Could not find activesupport-3.1.6.gem for installation
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
Is 4111111111111111 valid? false