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.exist?(filename), "#{filename} does exist" end test "assets routes have higher priority" do app_file "app/assets/images/rails.png", "notactuallyapng" app_file "app/assets/javascripts/demo.js.erb", "a = <%= image_path('rails.png').inspect %>;" app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get '*path', to: lambda { |env| [200, { "Content-Type" => "text/html" }, ["Not an asset"]] } end RUBY add_to_env_config "development", "config.assets.digest = false" 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/users_controller.rb", <<-eoruby class UsersController < ApplicationController; end eoruby app_file "app/models/user.rb", <<-eoruby class User < ActiveRecord::Base; raise 'should not be reached'; 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 'precompile use assets defined in app env config' do add_to_env_config 'production', 'config.assets.precompile = [ "something.js" ]' app_file 'app/assets/javascripts/something.js.erb', 'alert();' precompile! 'RAILS_ENV=production' assert_file_exists("#{app_path}/public/assets/something-*.js") end test 'precompile use assets defined in app config and reassigned in app env config' do add_to_config 'config.assets.precompile = [ "something.js" ]' add_to_env_config 'production', 'config.assets.precompile += [ "another.js" ]' app_file 'app/assets/javascripts/something.js.erb', 'alert();' app_file 'app/assets/javascripts/another.js.erb', 'alert();' precompile! 'RAILS_ENV=production' assert_file_exists("#{app_path}/public/assets/something-*.js") assert_file_exists("#{app_path}/public/assets/another-*.js") end test "asset pipeline should use a Sprockets::Index when config.assets.digest is true" do 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/images/rails.png", "notactuallyapng" app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>" app_file "app/assets/javascripts/application.js", "alert();" 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();" 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_files = 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 runs in the provided RAILS_ENV" do app_file "app/assets/images/rails.png", "notactuallyapng" app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>" 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/images/rails.png", "notactuallyapng" app_file "app/assets/stylesheets/application.css.erb", "p { 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/images/rails.png", "notactuallyapng" app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>" ENV["RAILS_ENV"] = "production" precompile! 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 an 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 && k =~ /.png/ }[1] require "#{app_path}/config/environment" get "/assets/#{URI.parser.escape(asset_path)}" assert_match "not an 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 Rails.application.routes.draw do get '/omg', :to => "omg#index" end RUBY add_to_env_config "development", "config.assets.digest = false" 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();" add_to_env_config "development", "config.assets.digest = false" 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(/