Bundle and use spork to speed up specs by preloading rails env

spec/spec_helper.rb

@@ -1,16 +1,19 @@
-# This file is copied to spec/ when you run 'rails generate rspec:install'
-ENV['RAILS_ENV'] ||= 'test'
-require File.expand_path('../../config/environment', __FILE__)
-require 'rspec/rails'
+require 'spork'
 
-# Requires supporting ruby files with custom matchers and macros, etc,
-# in spec/support/ and its subdirectories.
-Dir[Rails.root.join('spec/support/**/*.rb')].each {|f| require f}
+Spork.prefork do
+  ENV['RAILS_ENV'] ||= 'test'
+  require File.expand_path('../../config/environment', __FILE__)
+  require 'rspec/rails'
 
-RSpec.configure do |config|
-  config.mock_with :rspec
-  config.fixture_path = "#{::Rails.root}/spec/fixtures"
-  config.use_transactional_fixtures = true
+  Dir[Rails.root.join('spec/support/**/*.rb')].each {|f| require f}
+
+  RSpec.configure do |config|
+    config.mock_with :rspec
+    config.fixture_path = "#{::Rails.root}/spec/fixtures"
+    config.use_transactional_fixtures = true
+  end
 end
 
-load "#{Rails.root.to_s}/db/schema.rb"
+Spork.each_run do
+  load "#{Rails.root.to_s}/db/schema.rb"
+end

spec/support/decrease_bcrypt_cost_factor.rb

@@ -1,3 +1,5 @@
+require 'bcrypt'
+
 module BCrypt
   class Engine
     [:DEFAULT_COST, :MIN_COST].each do |sym|