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# Note:
# It is important to keep this file as light as possible
# the goal for tests that require this is to test booting up
# rails from an empty state, so anything added here could
# hide potential failures
#
# It is also good to know what is the bare minimum to get
# Rails booted up.
require 'fileutils'
require 'bundler/setup'
require 'minitest/autorun'
require 'active_support/test_case'
# These files do not require any others and are needed
# to run the tests
require "active_support/testing/isolation"
require "active_support/core_ext/kernel/reporting"
require 'tmpdir'
module TestHelpers
module Paths
def app_template_path
File.join Dir.tmpdir, 'app_template'
end
def tmp_path(*args)
@tmp_path ||= File.realpath(Dir.mktmpdir)
File.join(@tmp_path, *args)
end
def app_path(*args)
tmp_path(*%w[app] + args)
end
def rails_root
app_path
end
end
module Generation
# Build an application by invoking the generator and going through the whole stack.
def build_app(options = {})
@prev_rails_env = ENV['RAILS_ENV']
ENV['RAILS_ENV'] = 'development'
FileUtils.rm_rf(app_path)
FileUtils.cp_r(app_template_path, app_path)
# Delete the initializers unless requested
unless options[:initializers]
Dir["#{app_path}/config/initializers/*.rb"].each do |initializer|
File.delete(initializer)
end
end
gemfile_path = "#{app_path}/Gemfile"
if options[:gemfile].blank? && File.exist?(gemfile_path)
File.delete gemfile_path
end
routes = File.read("#{app_path}/config/routes.rb")
if routes =~ /(\n\s*end\s*)\Z/
File.open("#{app_path}/config/routes.rb", 'w') do |f|
f.puts $` + "\nmatch ':controller(/:action(/:id))(.:format)', :via => :all\n" + $1
end
end
add_to_config <<-RUBY
config.secret_token = "3b7cd727ee24e8444053437c36cc66c4"
config.session_store :cookie_store, :key => "_myapp_session"
config.active_support.deprecation = :log
config.action_controller.allow_forgery_protection = false
config.eager_load = false
RUBY
end
def teardown_app
ENV['RAILS_ENV'] = @prev_rails_env if @prev_rails_env
end
def add_to_config(str)
environment = File.read("#{app_path}/config/application.rb")
if environment =~ /(\n\s*end\s*end\s*)\Z/
File.open("#{app_path}/config/application.rb", 'w') do |f|
f.puts $` + "\n#{str}\n" + $1
end
end
end
def app_file(path, contents)
FileUtils.mkdir_p File.dirname("#{app_path}/#{path}")
File.open("#{app_path}/#{path}", 'w') do |f|
f.puts contents
end
end
def boot_rails
require 'rubygems' unless defined? Gem
require 'bundler'
Bundler.setup
end
end
end
class ActiveSupport::TestCase
include TestHelpers::Paths
include TestHelpers::Generation
end
Module.new do
extend TestHelpers::Paths
# Build a rails app
FileUtils.rm_rf(app_template_path)
FileUtils.mkdir(app_template_path)
`rails new #{app_template_path} --skip-gemfile`
end
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