order_transaction_spec.rb

# So I bought this PDF book on ActiveMerchant from Peepcode.
# It's tests use Test::Unit, I was using RSpec. So I translated them.
# http://peepcode.com/products/activemerchant-pdf

require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
include ActiveMerchant::Billing

describe OrderTransaction do
  before do
    @amount = 100
  end
  
  describe "authorizing" do
    describe "with successful authorization" do
      before do
        @auth = OrderTransaction.authorize(@amount, credit_card(:number => '1'))
      end
      it "succeeds" do
        @auth.should be_success
      end
      it "returns a success message" do
        @auth.message.should == BogusGateway::SUCCESS_MESSAGE
      end
      it "wants to authorize" do
        @auth.action.should == 'authorization'
      end
      it "has an authorization reference" do
        @auth[:reference].should == BogusGateway::AUTHORIZATION
      end
    end
    describe "with failed authorization" do
      before do
        @auth = OrderTransaction.authorize(@amount, credit_card(:number => '2'))
      end
      it "doesn't succeed" do
        @auth.should_not be_success
      end
      it "returns a failure message" do
        @auth.message.should == BogusGateway::FAILURE_MESSAGE
      end
      it "wants to authorize" do
        @auth.action.should == 'authorization'
      end
    end
    describe "with exception" do
      before do
        @auth = OrderTransaction.authorize(@amount, credit_card(:number => '3'))
      end
      it "doesn't succeed" do
        @auth.should_not be_success
      end
      it "returns an error message" do
        @auth.message.should == BogusGateway::ERROR_MESSAGE
      end
      it "wants to authorize" do
        @auth.action.should == 'authorization'
      end
    end
  end
  
  describe "capturing" do
    describe "with success" do
      before do
        @capt = OrderTransaction.capture(@amount, '123')
      end
      it "succeeds" do
        @capt.should be_success
      end
      it "want's to capture" do
        @capt.action.should == 'capture'
      end
      it "returns a success message" do
        @capt.message.should == BogusGateway::SUCCESS_MESSAGE
      end
    end
    describe "with failure" do
      before do
        @capt = OrderTransaction.capture(@amount, '2')
      end
      it "doesn't succeed" do
        @capt.should_not be_success
      end
      it "want's to capture" do
        @capt.action.should == 'capture'
      end
      it "returns a failure message" do
        @capt.message == BogusGateway::CAPTURE_ERROR_MESSAGE
      end
    end
    describe "with error" do
      before do
        @auth = OrderTransaction.capture(@amount, '1')
      end
      it "doesn't succeed" do
        @auth.should_not be_success
      end
      it "wants to capture" do
        @auth.action.should == 'capture'
      end
      it "returns an error message" do
        @auth.message.should == BogusGateway::CAPTURE_ERROR_MESSAGE
      end
    end
  end
end

spec_helper.rb

# ...

def credit_card_hash(options = {}) 
  { :number     => '1', 
    :first_name => 'Cody', 
    :last_name  => 'Fauser', 
    :month      => '8', 
    :year       => "#{ Time.now.year + 1 }", 
    :verification_value => '123', 
    :type       => 'visa' 
  }.update(options) 
end

def credit_card(options = {}) 
  ActiveMerchant::Billing::CreditCard.new( credit_card_hash(options) ) 
end

def address(options = {}) 
  { :name     => 'Cody Fauser', 
    :address1 => '2500 Oak Mills Road', 
    :address2 => 'Suite 1000', 
    :city     => 'Beverly Hills', 
    :state    => 'CA', 
    :country  => 'US', 
    :zip      => '90210' 
  }.update(options) 
end