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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' unless defined?(Bundler)
require 'active_support'
require 'active_support/testing/autorun'
require 'active_support/test_case'
RAILS_FRAMEWORK_ROOT = File.expand_path("#{File.dirname(__FILE__)}/../../..")
# 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 framework_path
RAILS_FRAMEWORK_ROOT
end
def rails_root
app_path
end
end
module Rack
def app(env = "production")
old_env = ENV["RAILS_ENV"]
@app ||= begin
ENV["RAILS_ENV"] = env
require "#{app_path}/config/environment"
Rails.application
end
ensure
ENV["RAILS_ENV"] = old_env
end
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
# 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"
ENV['SECRET_KEY_BASE'] ||= SecureRandom.hex(16)
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" + $1
end
end
File.open("#{app_path}/config/database.yml", "w") do |f|
f.puts <<-YAML
default: &default
adapter: sqlite3
pool: 5
timeout: 5000
development:
<<: *default
database: db/development.sqlite3
test:
<<: *default
database: db/test.sqlite3
production:
<<: *default
database: db/production.sqlite3
YAML
end
add_to_config <<-RUBY
config.eager_load = false
config.session_store :cookie_store, key: "_myapp_session"
config.active_support.deprecation = :log
config.active_support.test_order = :random
config.action_controller.allow_forgery_protection = false
RUBY
end
def teardown_app
ENV['RAILS_ENV'] = @prev_rails_env if @prev_rails_env
end
# Make a very basic app, without creating the whole directory structure.
# This is faster and simpler than the method above.
def make_basic_app
require "rails"
require "action_controller/railtie"
require "action_view/railtie"
app = Class.new(Rails::Application)
app.config.eager_load = false
app.secrets.secret_key_base = "3b7cd727ee24e8444053437c36cc66c4"
app.config.session_store :cookie_store, key: "_myapp_session"
app.config.active_support.deprecation = :log
yield app if block_given?
app.initialize!
app.routes.draw do
get "/" => "omg#index"
end
require 'rack/test'
extend ::Rack::Test::Methods
end
def simple_controller
controller :foo, <<-RUBY
class FooController < ApplicationController
def index
render text: "foo"
end
end
RUBY
app_file 'config/routes.rb', <<-RUBY
Rails.application.routes.draw do
get ':controller(/:action)'
end
RUBY
end
class Bukkit
attr_reader :path
def initialize(path)
@path = path
end
def write(file, string)
path = "#{@path}/#{file}"
FileUtils.mkdir_p(File.dirname(path))
File.open(path, "w") {|f| f.puts string }
end
def delete(file)
File.delete("#{@path}/#{file}")
end
end
def engine(name)
dir = "#{app_path}/random/#{name}"
FileUtils.mkdir_p(dir)
app = File.readlines("#{app_path}/config/application.rb")
app.insert(2, "$:.unshift(\"#{dir}/lib\")")
app.insert(3, "require #{name.inspect}")
File.open("#{app_path}/config/application.rb", 'r+') do |f|
f.puts app
end
Bukkit.new(dir).tap do |bukkit|
yield bukkit if block_given?
end
end
def script(script)
Dir.chdir(app_path) do
`#{Gem.ruby} #{app_path}/bin/rails #{script}`
end
end
def add_to_top_of_config(str)
environment = File.read("#{app_path}/config/application.rb")
if environment =~ /(Rails::Application\s*)/
File.open("#{app_path}/config/application.rb", 'w') do |f|
f.puts $` + $1 + "\n#{str}\n" + $'
end
end
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 add_to_env_config(env, str)
environment = File.read("#{app_path}/config/environments/#{env}.rb")
if environment =~ /(\n\s*end\s*)\Z/
File.open("#{app_path}/config/environments/#{env}.rb", 'w') do |f|
f.puts $` + "\n#{str}\n" + $1
end
end
end
def remove_from_config(str)
file = "#{app_path}/config/application.rb"
contents = File.read(file)
contents.sub!(/#{str}/, "")
File.open(file, "w+") { |f| f.puts contents }
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 gsub_app_file(path, regexp, *args, &block)
path = "#{app_path}/#{path}"
content = File.read(path).gsub(regexp, *args, &block)
File.open(path, 'wb') { |f| f.write(content) }
end
def remove_file(path)
FileUtils.rm_rf "#{app_path}/#{path}"
end
def controller(name, contents)
app_file("app/controllers/#{name}_controller.rb", contents)
end
def use_frameworks(arr)
to_remove = [:actionmailer, :activerecord] - arr
if to_remove.include?(:activerecord)
remove_from_config 'config.active_record.*'
end
$:.reject! {|path| path =~ %r'/(#{to_remove.join('|')})/' }
end
def boot_rails
require File.expand_path('../../../../load_paths', __FILE__)
end
end
end
class ActiveSupport::TestCase
include TestHelpers::Paths
include TestHelpers::Rack
include TestHelpers::Generation
self.test_order = :sorted
private
def capture(stream)
stream = stream.to_s
captured_stream = Tempfile.new(stream)
stream_io = eval("$#{stream}")
origin_stream = stream_io.dup
stream_io.reopen(captured_stream)
yield
stream_io.rewind
return captured_stream.read
ensure
captured_stream.close
captured_stream.unlink
stream_io.reopen(origin_stream)
end
def quietly
silence_stream(STDOUT) do
silence_stream(STDERR) do
yield
end
end
end
end
# Create a scope and build a fixture rails app
Module.new do
extend TestHelpers::Paths
# Build a rails app
FileUtils.rm_rf(app_template_path)
FileUtils.mkdir(app_template_path)
environment = File.expand_path('../../../../load_paths', __FILE__)
require_environment = "-r #{environment}"
`#{Gem.ruby} #{require_environment} #{RAILS_FRAMEWORK_ROOT}/railties/bin/rails new #{app_template_path} --skip-gemfile --no-rc`
File.open("#{app_template_path}/config/boot.rb", 'w') do |f|
f.puts "require '#{environment}'"
f.puts "require 'rails/all'"
end
end unless defined?(RAILS_ISOLATED_ENGINE)
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