Load just the models and lib of a Rails project. This can be useful for model/component/service specs that depend on ActiveRecord, but no other part of Rails. Running the tests in this fashion helps to make sure you don't introduce any other Rails dependencies into your code, and it helps those tests to load a few seconds faster since we're not …

gistfile1.rb

require 'bundler/setup'

require 'active_support'
require 'active_support/dependencies'
ActiveSupport::Dependencies.autoload_paths += %w{ app/models lib }

require 'active_record'
db_config = YAML.load_file('config/database.yml')
ActiveRecord::Base.establish_connection(db_config['test'])

require 'carrierwave'
require 'carrierwave/orm/activerecord'