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# -*- coding: utf-8 -*-
require 'isolation/abstract_unit'
require 'rack/test'
require 'active_support/json'
module ApplicationTests
class AssetsTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
include Rack::Test::Methods
def setup
build_app(initializers: true)
boot_rails
end
def teardown
teardown_app
end
def precompile!(env = nil)
quietly do
precompile_task = "bundle exec rake assets:precompile #{env} --trace 2>&1"
output = Dir.chdir(app_path) { %x[ #{precompile_task} ] }
assert $?.success?, output
output
end
end
def clean_assets!
quietly do
assert Dir.chdir(app_path) { system('bundle exec rake assets:clobber') }
end
end
def assert_file_exists(filename)
assert Dir[filename].first, "missing #{filename}"
end
def assert_no_file_exists(filename)
assert !File.exists?(filename), "#{filename} does exist"
end
test "assets routes have higher priority" do
app_file "app/assets/javascripts/demo.js.erb", "a = <%= image_path('rails.png').inspect %>;"
app_file 'config/routes.rb', <<-RUBY
AppTemplate::Application.routes.draw do
get '*path', to: lambda { |env| [200, { "Content-Type" => "text/html" }, ["Not an asset"]] }
end
RUBY
require "#{app_path}/config/environment"
get "/assets/demo.js"
assert_equal 'a = "/assets/rails.png";', last_response.body.strip
end
test "assets do not require compressors until it is used" do
app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();"
add_to_env_config "production", "config.assets.compile = true"
ENV["RAILS_ENV"] = "production"
require "#{app_path}/config/environment"
assert !defined?(Uglifier)
get "/assets/demo.js"
assert_match "alert()", last_response.body
assert defined?(Uglifier)
end
test "precompile creates the file, gives it the original asset's content and run in production as default" do
app_file "app/assets/javascripts/application.js", "alert();"
app_file "app/assets/javascripts/foo/application.js", "alert();"
ENV["RAILS_ENV"] = nil
precompile!
files = Dir["#{app_path}/public/assets/application-*.js"]
files << Dir["#{app_path}/public/assets/foo/application-*.js"].first
files.each do |file|
assert_not_nil file, "Expected application.js asset to be generated, but none found"
assert_equal "alert();\n", File.read(file)
end
end
def test_precompile_does_not_hit_the_database
app_file "app/assets/javascripts/application.js", "alert();"
app_file "app/assets/javascripts/foo/application.js", "alert();"
app_file "app/controllers/user_controller.rb", <<-eoruby
class UserController < ApplicationController; end
eoruby
app_file "app/models/user.rb", <<-eoruby
class User < ActiveRecord::Base; end
eoruby
ENV['RAILS_ENV'] = 'production'
ENV['DATABASE_URL'] = 'postgresql://baduser:badpass@127.0.0.1/dbname'
precompile!
files = Dir["#{app_path}/public/assets/application-*.js"]
files << Dir["#{app_path}/public/assets/foo/application-*.js"].first
files.each do |file|
assert_not_nil file, "Expected application.js asset to be generated, but none found"
assert_equal "alert();".strip, File.read(file).strip
end
ensure
ENV.delete 'RAILS_ENV'
ENV.delete 'DATABASE_URL'
end
test "precompile application.js and application.css and all other non JS/CSS files" do
app_file "app/assets/javascripts/application.js", "alert();"
app_file "app/assets/stylesheets/application.css", "body{}"
app_file "app/assets/javascripts/someapplication.js", "alert();"
app_file "app/assets/stylesheets/someapplication.css", "body{}"
app_file "app/assets/javascripts/something.min.js", "alert();"
app_file "app/assets/stylesheets/something.min.css", "body{}"
app_file "app/assets/javascripts/something.else.js.erb", "alert();"
app_file "app/assets/stylesheets/something.else.css.erb", "body{}"
images_should_compile = ["a.png", "happyface.png", "happy_face.png", "happy.face.png",
"happy-face.png", "happy.happy_face.png", "happy_happy.face.png",
"happy.happy.face.png", "-happy.png", "-happy.face.png",
"_happy.face.png", "_happy.png"]
images_should_compile.each do |filename|
app_file "app/assets/images/#{filename}", "happy"
end
precompile!
images_should_compile = ["a-*.png", "happyface-*.png", "happy_face-*.png", "happy.face-*.png",
"happy-face-*.png", "happy.happy_face-*.png", "happy_happy.face-*.png",
"happy.happy.face-*.png", "-happy-*.png", "-happy.face-*.png",
"_happy.face-*.png", "_happy-*.png"]
images_should_compile.each do |filename|
assert_file_exists("#{app_path}/public/assets/#{filename}")
end
assert_file_exists("#{app_path}/public/assets/application-*.js")
assert_file_exists("#{app_path}/public/assets/application-*.css")
assert_no_file_exists("#{app_path}/public/assets/someapplication-*.js")
assert_no_file_exists("#{app_path}/public/assets/someapplication-*.css")
assert_no_file_exists("#{app_path}/public/assets/something.min-*.js")
assert_no_file_exists("#{app_path}/public/assets/something.min-*.css")
assert_no_file_exists("#{app_path}/public/assets/something.else-*.js")
assert_no_file_exists("#{app_path}/public/assets/something.else-*.css")
end
test "precompile something.js for directory containing index file" do
add_to_config "config.assets.precompile = [ 'something.js' ]"
app_file "app/assets/javascripts/something/index.js.erb", "alert();"
precompile!
assert_file_exists("#{app_path}/public/assets/something-*.js")
end
test "asset pipeline should use a Sprockets::Index when config.assets.digest is true" do
add_to_config "config.assets.digest = true"
add_to_config "config.action_controller.perform_caching = false"
ENV["RAILS_ENV"] = "production"
require "#{app_path}/config/environment"
assert_equal Sprockets::Index, Rails.application.assets.class
end
test "precompile creates a manifest file with all the assets listed" do
app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>"
app_file "app/assets/javascripts/application.js", "alert();"
# digest is default in false, we must enable it for test environment
add_to_config "config.assets.digest = true"
precompile!
manifest = Dir["#{app_path}/public/assets/manifest-*.json"].first
assets = ActiveSupport::JSON.decode(File.read(manifest))
assert_match(/application-([0-z]+)\.js/, assets["assets"]["application.js"])
assert_match(/application-([0-z]+)\.css/, assets["assets"]["application.css"])
end
test "the manifest file should be saved by default in the same assets folder" do
app_file "app/assets/javascripts/application.js", "alert();"
# digest is default in false, we must enable it for test environment
add_to_config "config.assets.digest = true"
add_to_config "config.assets.prefix = '/x'"
precompile!
manifest = Dir["#{app_path}/public/x/manifest-*.json"].first
assets = ActiveSupport::JSON.decode(File.read(manifest))
assert_match(/application-([0-z]+)\.js/, assets["assets"]["application.js"])
end
test "assets do not require any assets group gem when manifest file is present" do
app_file "app/assets/javascripts/application.js", "alert();"
add_to_env_config "production", "config.serve_static_assets = true"
ENV["RAILS_ENV"] = "production"
precompile!
manifest = Dir["#{app_path}/public/assets/manifest-*.json"].first
assets = ActiveSupport::JSON.decode(File.read(manifest))
asset_path = assets["assets"]["application.js"]
require "#{app_path}/config/environment"
# Checking if Uglifier is defined we can know if Sprockets was reached or not
assert !defined?(Uglifier)
get "/assets/#{asset_path}"
assert_match "alert()", last_response.body
assert !defined?(Uglifier)
end
test "precompile properly refers files referenced with asset_path and and run in the provided RAILS_ENV" do
app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>"
# digest is default in false, we must enable it for test environment
add_to_env_config "test", "config.assets.digest = true"
precompile!('RAILS_ENV=test')
file = Dir["#{app_path}/public/assets/application-*.css"].first
assert_match(/\/assets\/rails-([0-z]+)\.png/, File.read(file))
end
test "precompile shouldn't use the digests present in manifest.json" do
app_file "app/assets/stylesheets/application.css.erb", "//= depend_on rails.png\np { url: <%= asset_path('rails.png') %> }"
ENV["RAILS_ENV"] = "production"
precompile!
manifest = Dir["#{app_path}/public/assets/manifest-*.json"].first
assets = ActiveSupport::JSON.decode(File.read(manifest))
asset_path = assets["assets"]["application.css"]
app_file "app/assets/images/rails.png", "p { url: change }"
precompile!
assets = ActiveSupport::JSON.decode(File.read(manifest))
assert_not_equal asset_path, assets["assets"]["application.css"]
end
test "precompile appends the md5 hash to files referenced with asset_path and run in production with digest true" do
app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>"
add_to_config "config.assets.compile = true"
add_to_config "config.assets.digest = true"
ENV["RAILS_ENV"] = nil
precompile!('RAILS_GROUPS=assets')
file = Dir["#{app_path}/public/assets/application-*.css"].first
assert_match(/\/assets\/rails-([0-z]+)\.png/, File.read(file))
end
test "precompile should handle utf8 filenames" do
filename = "レイルズ.png"
app_file "app/assets/images/#{filename}", "not a image really"
add_to_config "config.assets.precompile = [ /\.png$/, /application.(css|js)$/ ]"
precompile!
manifest = Dir["#{app_path}/public/assets/manifest-*.json"].first
assets = ActiveSupport::JSON.decode(File.read(manifest))
assert asset_path = assets["assets"].find { |(k, _)| k !~ /rails.png/ && k =~ /.png/ }[1]
require "#{app_path}/config/environment"
get "/assets/#{URI.parser.escape(asset_path)}"
assert_match "not a image really", last_response.body
assert_file_exists("#{app_path}/public/assets/#{asset_path}")
end
test "assets are cleaned up properly" do
app_file "public/assets/application.js", "alert();"
app_file "public/assets/application.css", "a { color: green; }"
app_file "public/assets/subdir/broken.png", "not really an image file"
clean_assets!
files = Dir["#{app_path}/public/assets/**/*", "#{app_path}/tmp/cache/assets/development/*",
"#{app_path}/tmp/cache/assets/test/*", "#{app_path}/tmp/cache/assets/production/*"]
assert_equal 0, files.length, "Expected no assets, but found #{files.join(', ')}"
end
test "assets routes are not drawn when compilation is disabled" do
app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();"
add_to_config "config.assets.compile = false"
ENV["RAILS_ENV"] = "production"
require "#{app_path}/config/environment"
get "/assets/demo.js"
assert_equal 404, last_response.status
end
test "does not stream session cookies back" do
app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();"
app_file "config/routes.rb", <<-RUBY
AppTemplate::Application.routes.draw do
get '/omg', :to => "omg#index"
end
RUBY
require "#{app_path}/config/environment"
class ::OmgController < ActionController::Base
def index
flash[:cool_story] = true
render text: "ok"
end
end
get "/omg"
assert_equal 'ok', last_response.body
get "/assets/demo.js"
assert_match "alert()", last_response.body
assert_equal nil, last_response.headers["Set-Cookie"]
end
test "files in any assets/ directories are not added to Sprockets" do
%w[app lib vendor].each do |dir|
app_file "#{dir}/assets/#{dir}_test.erb", "testing"
end
app_file "app/assets/javascripts/demo.js", "alert();"
require "#{app_path}/config/environment"
get "/assets/demo.js"
assert_match "alert();", last_response.body
assert_equal 200, last_response.status
end
test "assets are concatenated when debug is off and compile is off either if debug_assets param is provided" do
app_with_assets_in_view
# config.assets.debug and config.assets.compile are false for production environment
ENV["RAILS_ENV"] = "production"
precompile!
require "#{app_path}/config/environment"
class ::PostsController < ActionController::Base ; end
# the debug_assets params isn't used if compile is off
get '/posts?debug_assets=true'
assert_match(/<script src="\/assets\/application-([0-z]+)\.js"><\/script>/, last_response.body)
assert_no_match(/<script src="\/assets\/xmlhr-([0-z]+)\.js"><\/script>/, last_response.body)
end
test "assets can access model information when precompiling" do
app_file "app/models/post.rb", "class Post; end"
app_file "app/assets/javascripts/application.js", "//= require_tree ."
app_file "app/assets/javascripts/xmlhr.js.erb", "<%= Post.name %>"
add_to_config "config.assets.digest = false"
precompile!
assert_equal "Post;\n", File.read(Dir["#{app_path}/public/assets/application-*.js"].first)
end
test "assets can't access model information when precompiling if not initializing the app" do
app_file "app/models/post.rb", "class Post; end"
app_file "app/assets/javascripts/application.js", "//= require_tree ."
app_file "app/assets/javascripts/xmlhr.js.erb", "<%= defined?(Post) || :NoPost %>"
add_to_config "config.assets.digest = false"
add_to_config "config.assets.initialize_on_precompile = false"
precompile!
assert_equal "NoPost;\n", File.read(Dir["#{app_path}/public/assets/application-*.js"].first)
end
test "initialization on the assets group should set assets_dir" do
require "#{app_path}/config/application"
Rails.application.initialize!(:assets)
assert_not_nil Rails.application.config.action_controller.assets_dir
end
test "enhancements to assets:precompile should only run once" do
app_file "lib/tasks/enhance.rake", "Rake::Task['assets:precompile'].enhance { puts 'enhancement' }"
output = precompile!
assert_equal 1, output.scan("enhancement").size
end
test "digested assets are not mistakenly removed" do
app_file "app/assets/application.js", "alert();"
add_to_config "config.assets.compile = true"
add_to_config "config.assets.digest = true"
precompile!
files = Dir["#{app_path}/public/assets/application-*.js"]
assert_equal 1, files.length, "Expected digested application.js asset to be generated, but none found"
end
test "digested assets are removed from configured path" do
app_file "public/production_assets/application.js", "alert();"
add_to_env_config "production", "config.assets.prefix = 'production_assets'"
ENV["RAILS_ENV"] = nil
clean_assets!
files = Dir["#{app_path}/public/production_assets/application-*.js"]
assert_equal 0, files.length, "Expected application.js asset to be removed, but still exists"
end
test "asset urls should use the request's protocol by default" do
app_with_assets_in_view
add_to_config "config.asset_host = 'example.com'"
require "#{app_path}/config/environment"
class ::PostsController < ActionController::Base; end
get '/posts', {}, {'HTTPS'=>'off'}
assert_match('src="http://example.com/assets/application.js', last_response.body)
get '/posts', {}, {'HTTPS'=>'on'}
assert_match('src="https://example.com/assets/application.js', last_response.body)
end
test "asset urls should be protocol-relative if no request is in scope" do
app_file "app/assets/javascripts/image_loader.js.erb", 'var src="<%= image_path("rails.png") %>";'
add_to_config "config.assets.precompile = %w{image_loader.js}"
add_to_config "config.asset_host = 'example.com'"
precompile!
assert_match 'src="//example.com/assets/rails.png"', File.read(Dir["#{app_path}/public/assets/image_loader-*.js"].first)
end
test "asset paths should use RAILS_RELATIVE_URL_ROOT by default" do
ENV["RAILS_RELATIVE_URL_ROOT"] = "/sub/uri"
app_file "app/assets/javascripts/app.js.erb", 'var src="<%= image_path("rails.png") %>";'
add_to_config "config.assets.precompile = %w{app.js}"
precompile!
assert_match 'src="/sub/uri/assets/rails.png"', File.read(Dir["#{app_path}/public/assets/app-*.js"].first)
end
test "assets:cache:clean should clean cache" do
ENV["RAILS_ENV"] = "production"
precompile!
quietly do
Dir.chdir(app_path){ `bundle exec rake assets:clobber` }
end
assert !File.exist?("#{app_path}/tmp/cache/assets")
end
private
def app_with_assets_in_view
app_file "app/assets/javascripts/application.js", "//= require_tree ."
app_file "app/assets/javascripts/xmlhr.js", "function f1() { alert(); }"
app_file "app/views/posts/index.html.erb", "<%= javascript_include_tag 'application' %>"
app_file "config/routes.rb", <<-RUBY
AppTemplate::Application.routes.draw do
get '/posts', :to => "posts#index"
end
RUBY
end
end
end
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