rails_setup.rb

# README
# pass in this file when creating a rails project
#
# for example:
# rails _3.2.14_ new awesome_app -d postgresql -m ~/rails_setup.rb

remove_file "README.rdoc"
create_file "README.md", "TODO"

gem_group :development, :test do
  gem "rspec-rails"
  gem "guard-rspec"
  gem "capybara"
  gem "database_cleaner"
  gem "capybara-webkit"
  gem "selenium-webdriver"
  gem "jasmine"
  gem "pry-rails"
  gem "awesome_print"
end

gem_group :development do
  gem "annotate"
  gem "quiet_assets"
  gem "binding_of_caller"
  gem "meta_request"
  gem "rails-erd"
  gem "better_errors"
  gem "terminal-notifier-guard"
end

gem 'simplecov', :require => false, :group => :test

gem 'thin'        if yes? "Do you want to use Thin?"
gem 'haml-rails'  if yes? "Do you want to use Haml"

# Rspec
run "bundle install"
generate "rspec:install"
generate "jasmine:install"
run "bundle exec guard init"

# Removing test directory
run "rm -rf test"

insert_into_file 'config/application.rb', :after => "require 'rails/all'\n" do
  "if Rails.env.test?
      require 'simplecov'
      SimpleCov.start
  end"
end

insert_into_file 'spec/spec_helper.rb', :after => "require 'rspec/autorun'\n" do
  "require 'capybara/rails'"
end

create_file "spec/support/database_cleaner.rb"
append_to_file "spec/support/database_cleaner.rb" do <<-DATABASE_CLEANER_CONFIG
Capybara.javascript_driver = :webkit # Selenium works, but not as well

RSpec.configure do |config|
  config.use_transactional_fixtures = false

  # Use transactions by default
  config.before :each do
    DatabaseCleaner.strategy = :truncation
  end

  # Switch to truncation for javascript tests, but *only clean used tables*
  config.before :each, :js => true do
    DatabaseCleaner.strategy = :truncation, {:pre_count => true}
  end

  config.before :each do
    DatabaseCleaner.start
  end

  config.after :each do
    DatabaseCleaner.clean
  end
end
DATABASE_CLEANER_CONFIG
end

remove_file "config/database.yml"
create_file "config/database.yml" do <<-DATABASE_YML
development:
  adapter: postgresql
  encoding: unicode
  database: <%= File.basename(Rails.root) %>_development
  pool: 5
  host: localhost
  username:  <%= ENV['PG_USERNAME'] %>
  password:

test:
  adapter: postgresql
  encoding: unicode
  database: <%= File.basename(Rails.root) %>_test
  pool: 5
  host: localhost
  username: <%= ENV['PG_USERNAME'] %>
  password:
DATABASE_YML
end

create_file ".travis.yml" do <<-TRAVIS
language: ruby
rvm:
  - 1.9.3
before_script:
  - "sh -e /etc/init.d/xvfb start"
  - "export DISPLAY=:99.0"
  - "export JASMINE_SPEC_FORMAT=documentation"
script:
  - "bundle exec rake travis:run"
env:
  - PG_USERNAME='postgres'
TRAVIS
end

if yes? "Do you want a welcome controller?"
  generate :controller, "welcome index --no-helper --no-assets --no-controller-specs --no-view-specs"
  route "root to: 'welcome#index'"
  remove_file "public/index.html"
end

rakefile("testing.rake") do <<-TASK
namespace :travis do
  desc "Prepare DB and run Tests"
  task :run do
    ["db:create", "db:migrate RAILS_ENV=test", "spec", "jasmine:ci"].each do |cmd|
      puts "Starting to run \#{cmd}..."
      system("bundle exec rake \#{cmd}")
      raise "\#{cmd} failed!" unless $?.exitstatus == 0
    end
  end
end

namespace :spec do
  desc "Run the code examples in spec/features"
  task :features do
    Rails.env = ENV['RAILS_ENV'] = 'test'
    ENV['SPEC'] = "spec/features/**/*_spec.rb"
    Rake::Task['spec'].invoke
  end
end

namespace :guard do
   desc "Start Guard"
   task :run do
    system("bundle exec guard")
   end
end
TASK
end

# Remove requires trees
gsub_file "app/assets/javascripts/application.js", /^\/\/= require_tree .$/, ""
gsub_file "app/assets/stylesheets/application.css", /^*= require_tree .$/, ""

if yes? "Install Backbone?"
  {
    json2:      "https://raw.github.com/douglascrockford/JSON-js/master/json2.js",
    handlebars: "http://builds.handlebarsjs.com.s3.amazonaws.com/handlebars-latest.js",
    underscore: "http://underscorejs.org/underscore.js",
    backbone:   "http://backbonejs.org/backbone.js"
  }
  .each do |file_name, source|
    get source, "vendor/assets/javascripts/#{file_name}.js"
    append_to_file "app/assets/javascripts/application.js", "//= require #{file_name}\n"
  end

  create_file "app/assets/javascripts/app.js"
  append_to_file "app/assets/javascripts/application.js", "//= require app\n"

end

["rake db:create", "rake db:migrate", "RAILS_ENV=test rake db:migrate"].each do |cmd|
  run cmd
end

if yes? "git init?"
  git :init
  git add: ".", commit: "-m 'new rails project'"
end