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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'
# TODO: Remove rubygems when possible
require 'rubygems'
require 'test/unit'
# TODO: Remove setting this magic constant
RAILS_FRAMEWORK_ROOT = File.expand_path("#{File.dirname(__FILE__)}/../../..")
# These files do not require any others and are needed
# to run the tests
require "#{RAILS_FRAMEWORK_ROOT}/activesupport/lib/active_support/testing/isolation"
require "#{RAILS_FRAMEWORK_ROOT}/activesupport/lib/active_support/testing/declarative"
module TestHelpers
module Paths
module_function
TMP_PATH = File.expand_path(File.join(File.dirname(__FILE__), *%w[.. .. tmp]))
def tmp_path(*args)
File.join(TMP_PATH, *args)
end
def app_path(*args)
tmp_path(*%w[app] + args)
end
def framework_path
RAILS_FRAMEWORK_ROOT
end
def rails_root
app_path
end
end
module Rack
def extract_body(response)
"".tap do |body|
response[2].each {|chunk| body << chunk }
end
end
def get(path)
@app.call(::Rack::MockRequest.env_for(path))
end
def assert_welcome(resp)
assert_equal 200, resp[0]
assert resp[1]["Content-Type"] = "text/html"
assert extract_body(resp).match(/Welcome aboard/)
end
def assert_success(resp)
assert_equal 202, resp[0]
end
def assert_missing(resp)
assert_equal 404, resp[0]
end
def assert_header(key, value, resp)
assert_equal value, resp[1][key.to_s]
end
def assert_body(expected, resp)
assert_equal expected, extract_body(resp)
end
end
module Generation
def build_app(options = {})
FileUtils.rm_rf(app_path)
FileUtils.cp_r(tmp_path('app_template'), app_path)
# Delete the initializers unless requested
unless options[:initializers]
Dir["#{app_path}/config/initializers/*.rb"].each do |initializer|
File.delete(initializer)
end
end
add_to_config 'config.action_controller.session = { :key => "_myapp_session", :secret => "bac838a849c1d5c4de2e6a50af826079" }'
end
def script(script)
Dir.chdir(app_path) do
`#{Gem.ruby} #{app_path}/script/#{script}`
end
end
def add_to_config(str)
environment = File.read("#{app_path}/config/application.rb")
if environment =~ /(\n\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 controller(name, contents)
app_file("app/controllers/#{name}_controller.rb", contents)
end
def boot_rails
root = File.expand_path('../../../..', __FILE__)
begin
require "#{root}/vendor/gems/environment"
rescue LoadError
%w(
actionmailer/lib
actionpack/lib
activemodel/lib
activerecord/lib
activeresource/lib
activesupport/lib
railties/lib
railties
).reverse_each do |path|
$:.unshift "#{root}/#{path}"
end
end
end
end
end
class Test::Unit::TestCase
include TestHelpers::Paths
include TestHelpers::Rack
include TestHelpers::Generation
extend ActiveSupport::Testing::Declarative
end
# Create a scope and build a fixture rails app
Module.new do
extend TestHelpers::Paths
# Build a rails app
if File.exist?(tmp_path)
FileUtils.rm_rf(tmp_path)
end
FileUtils.mkdir(tmp_path)
environment = File.expand_path('../../../../vendor/gems/environment', __FILE__)
`#{Gem.ruby} -r #{environment} #{RAILS_FRAMEWORK_ROOT}/railties/bin/rails #{tmp_path('app_template')}`
File.open("#{tmp_path}/app_template/config/boot.rb", 'w') do |f|
f.puts "require '#{environment}' ; require 'rails'"
end
end
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