Fast Specs! Unit, model and integration tests

integration_test.rb

ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", __FILE__)
require 'rspec/rails'
require 'rspec/autorun'
require 'machinist/active_record'
require 'machinist/caching/active_record'

# Requires supporting ruby files with custom matchers and macros, etc,
# in spec/support/ and its subdirectories.
spec_support = Rails.root.join("spec/support/**/*.rb")
blueprints   = Rails.root.join('spec/blueprints/**/*.rb')
Dir[spec_support, blueprints].each { |f| require(f) }

HTTPI.log = false
Savon.log = false

RSpec.configure do |config|
  config.include Rack::Test::Methods
  config.include Helpers
  config.include GatewayMatchers

  config.before(:suite) do
    DatabaseCleaner.strategy = :truncation
  end

  config.before do
    DatabaseCleaner.start
    Machinist::Caching::Shop.instance.reset!
  end

  config.after do
    DatabaseCleaner.clean
  end
end

model_test.rb

require 'unit_test'
require "bundler/setup"
require 'active_support/i18n'
Bundler.require :models # Create a group in the Gemfile with :models in a group

I18n.load_path << Dir['config/locales/*.yml']
I18n.locale = 'pt-BR'
I18n.load_path.flatten!

database_yml = YAML.load_file(File.expand_path('config/database.yml'))
ActiveRecord::Base.establish_connection(database_yml['test'])

unit_test.rb

require 'active_support/dependencies'

%w(app/business app/enumerations app/models app/validators).each do |path|
  ActiveSupport::Dependencies.autoload_paths.push(path) unless ActiveSupport::Dependencies.autoload_paths.include?(path)
end