Rails 3.1 + Mongoid + rspec2 + guard + spork + factory girl

.instructions

# This is my take on a rails 3.1 setup with mongoid, rspec2, guard, spork
# and factory girl.
#
# Thanks to:
#  http://gist.github.com/568754/ (inspiration)
#  http://railscasts.com/episodes/275-how-i-test (rspec and guard)
#  http://railscasts.com/episodes/285-spork (spork and guard)
#  http://github.com/diaspora/diaspora (.rvmrc)
#  http://stackoverflow.com/questions/7801073/spork-timer-not-resetting-between-runs
#  and others...

$ rails new appname -O -T --skip-bundle
$ cd appname
$ touch .rvmrc
$ mate .

edit Gemfile
edit .rvmrc

$ . .rvmrc
$ gem install bundler
$ bundle install
$ rails g mongoid:config
$ rails g rspec:install
$ mkdir -v spec/{support,models,routing}
$ spork --bootstrap
$ guard init spork
$ guard init rspec

edit spec/spec_helper.rb
edit Guardfile

# On Mac OSX
$ gem install rb-fsevent

# TODO: On Linux
$ 

# Quickstart with Twitter bootstrap
$ cd ..
$ git clone git://github.com/twitter/bootstrap.git
$ cd appname
$ cp ../bootstrap/bootstrap.min.css app/assets/stylesheets/
$ cp ../bootstrap/js/bootstrap-* app/assets/javascripts/

$ guard
# Start TDD'ing...

.rvmrc

#!/bin/bash
if [ -e '.rvmrc_custom' ]; then
  source .rvmrc_custom;
else
  rvm --create use 1.9.2@appname;
fi

Gemfile

source 'http://rubygems.org'

gem 'rails', '3.1.1'
# gem 'rails',     :git => 'git://github.com/rails/rails.git'

gem 'mongoid'
gem 'bson_ext'

gem 'therubyracer'

# Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'sass-rails',   '~> 3.1.4'
  gem 'coffee-rails', '~> 3.1.1'
  gem 'uglifier', '>= 1.0.3'
end

gem 'jquery-rails'

# To use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# To use debugger
# gem 'ruby-debug19', :require => 'ruby-debug'

gem 'rspec-rails', :group => [:test, :development]
group :test do
  # Pretty printed test output
  gem 'turn', :require => false
  gem 'factory_girl_rails'
  gem 'guard-rspec'
  gem 'spork', '~> 0.9.0.rc'
  gem 'guard-spork'
  gem 'mongoid-rspec'
end

Guardfile (partial)

# 1. Make sure spork is loaded before rspec

# 2. Around line 15 change
guard 'rspec', :version => 2 do

#  to (all on start and pass are of course optional)
guard 'rspec', :version => 2, :cli => "--drb", :all_on_start => false, :all_after_pass => false do

spec_helper.rb

require 'rubygems'
require 'spork'

Spork.prefork do
  ENV["RAILS_ENV"] ||= 'test'
  require File.expand_path("../../config/environment", __FILE__)
  require 'rspec/rails'
  require 'factory_girl'

  Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}

  RSpec.configure do |config|
    include Mongoid::Matchers
    # config.mock_with :mocha
    # config.mock_with :flexmock
    # config.mock_with :rr
    config.mock_with :rspec
    config.infer_base_class_for_anonymous_controllers = false
  end
end

Spork.each_run do
  # reset spork/rspec timer
  # you are advised that this may break in future versions of rspec
  $rspec_start_time = Time.now  

  clear_db
end

# Apparently there is no way to _not_ have persistence on the test database when using Mongo
# so here is a convenient helper for it that also gets called before each run.
def clear_db
  Mongoid.master.collections.select {|c| c.name !~ /system/ }.each(&:drop)
end