# frozen_string_literal: true 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) end def teardown teardown_app end def precompile!(env = nil) with_env env.to_h do quietly do precompile_task = "bin/rails assets:precompile --trace 2>&1" output = Dir.chdir(app_path) { %x[ #{precompile_task} ] } assert $?.success?, output output end end end def with_env(env) env.each { |k, v| ENV[k.to_s] = v } yield ensure env.each_key { |k| ENV.delete k.to_s } end def clean_assets! quietly do assert Dir.chdir(app_path) { system("bin/rails assets:clobber") } end end def assert_file_exists(filename) globbed = Dir[filename] assert globbed.one?, "Found #{globbed.size} files matching #{filename}. All files in the directory: #{Dir.entries(File.dirname(filename)).inspect}" end def assert_no_file_exists(filename) assert_not 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 "precompile creates the file, gives it the original asset's content and run in production as default" do app_file "app/assets/config/manifest.js", "//= link_tree ../javascripts" app_file "app/assets/javascripts/application.js", "alert();" app_file "app/assets/javascripts/foo/application.js", "alert();" 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/config/manifest.js", "//= link_tree ../javascripts" 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 precompile! \ RAILS_ENV: "production", DATABASE_URL: "postgresql://baduser:badpass@127.0.0.1/dbname" 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 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/index-*.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 "sprockets cache is not shared between environments" do app_file "app/assets/images/rails.png", "notactuallyapng" app_file "app/assets/stylesheets/application.css.erb", "body { background: '<%= asset_path('rails.png') %>'; }" add_to_env_config "production", 'config.assets.prefix = "production_assets"' precompile! assert_file_exists("#{app_path}/public/assets/application-*.css") file = Dir["#{app_path}/public/assets/application-*.css"].first assert_match(/assets\/rails-([0-z]+)\.png/, File.read(file)) precompile! RAILS_ENV: "production" assert_file_exists("#{app_path}/public/production_assets/application-*.css") file = Dir["#{app_path}/public/production_assets/application-*.css"].first assert_match(/production_assets\/rails-([0-z]+)\.png/, File.read(file)) end test "precompile use assets defined in app config and reassigned in app env config" do add_to_config 'config.assets.precompile = [ "something_manifest.js" ]' add_to_env_config "production", 'config.assets.precompile += [ "another_manifest.js" ]' app_file "app/assets/config/something_manifest.js", "//= link something.js" app_file "app/assets/config/another_manifest.js", "//= link 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_manifest-*.js") assert_file_exists("#{app_path}/public/assets/something-*.js") assert_file_exists("#{app_path}/public/assets/another_manifest-*.js") assert_file_exists("#{app_path}/public/assets/another-*.js") end test "asset pipeline should use a Sprockets::CachedEnvironment when config.assets.digest is true" do add_to_config "config.action_controller.perform_caching = false" add_to_env_config "production", "config.assets.compile = true" # Load app env app "production" assert_equal Sprockets::CachedEnvironment, 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/.sprockets-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/.sprockets-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.public_file_server.enabled = true" precompile! RAILS_ENV: "production" manifest = Dir["#{app_path}/public/assets/.sprockets-manifest-*.json"].first assets = ActiveSupport::JSON.decode(File.read(manifest)) asset_path = assets["assets"]["application.js"] # Load app env app "production" # Checking if Uglifier is defined we can know if Sprockets was reached or not assert_not defined?(Uglifier) get "/assets/#{asset_path}" assert_match "alert()", last_response.body assert_not defined?(Uglifier) end test "precompile properly refers files referenced with asset_path" do app_file "app/assets/images/rails.png", "notactuallyapng" app_file "app/assets/stylesheets/application.css.erb", "p { background-image: url(<%= asset_path('rails.png') %>) }" precompile! 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 { background-image: url(<%= asset_path('rails.png') %>) }" precompile! RAILS_ENV: "production" manifest = Dir["#{app_path}/public/assets/.sprockets-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", "p { background-image: url(<%= asset_path('rails.png') %>) }" precompile! RAILS_ENV: "production" 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" app_file "app/assets/config/manifest.js", "//= link_tree ../images" add_to_config "config.assets.precompile = %w(manifest.js)" precompile! manifest = Dir["#{app_path}/public/assets/.sprockets-manifest-*.json"].first assets = ActiveSupport::JSON.decode(File.read(manifest)) assert asset_path = assets["assets"].find { |(k, _)| k && k =~ /.png/ }[1] # Load app env app "development" 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/**/*"] 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" # Load app env app "production" 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" # Load app env app "development" class ::OmgController < ActionController::Base def index flash[:cool_story] = true render plain: "ok" end end get "/omg" assert_equal "ok", last_response.body get "/assets/demo.js" assert_match "alert()", last_response.body assert_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" # Load app env app "development" 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 precompile! RAILS_ENV: "production" # Load app env app "production" class ::PostsController < ActionController::Base ; end # the debug_assets params isn't used if compile is off get "/posts?debug_assets=true" assert_match(/