Model mocks

model_mocks.rb

# a typical controller spec 

require 'spec_helper'

describe PaymentsController do
  # A typical model mock object (with memoization ftw):  
  def mock_customer_user(stubs={})
    @mock_customer_user ||= mock_model(CustomerUser, stubs).as_null_object
  end
  
  describe "when passed a customer user id" do
    before(:each) do
      # Here we go, having our find method return a mock_customer_user
      CustomerUser.stub(:find) {mock_customer_user}
        get :new, :customer_user_id => 7
      end
    end
    
    it "should be successful" do
      response.should be_success
    end
  end
end