Generating a Paymill token to test without the Javascript Bridge

gistfile1.rb

module PaymillSupport

  def get_payment_token
    # Simulate the JavaScript bridge we would use in production
    params = {
      'transaction.mode'        => 'CONNECTOR_TEST',
      'channel.id'              => Rails.configuration.paymill_public_key,
      'jsonPFunction'           => 'function',
      'account.number'          => '4111111111111111',
      'account.expiry.month'    => 1.year.from_now.month,
      'account.expiry.year'     => 1.year.from_now.year,
      'account.verification'    => '111',
      'presentation.amount3D'   => '10.00',
      'presentation.currency3D' => 'EUR'
    }
    http = Net::HTTP.new('test-token.paymill.de', 443)
    http.use_ssl = true
    response = http.get url_query_string(params)
    response.body.scan(/tok_\w*\b/).first # Use a regex to pull the token from the (not-quite-JSON) response
  end
  
  def url_query_string(hash)
    "/?" << URI.escape(hash.collect{|k,v| "#{k}=#{v}"}.join('&'))
  end
  
end