require 'isolation/abstract_unit' require 'active_support/core_ext/kernel/reporting' require 'rack/test' module ApplicationTests class AssetsTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation include Rack::Test::Methods def setup build_app(:initializers => true) boot_rails end def teardown teardown_app end def app @app ||= Rails.application end test "assets routes have higher priority" do app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();" app_file 'config/routes.rb', <<-RUBY AppTemplate::Application.routes.draw do match '*path', :to => lambda { |env| [200, { "Content-Type" => "text/html" }, "Not an asset"] } end RUBY require "#{app_path}/config/environment" get "/assets/demo.js" assert_match "alert()", last_response.body end test "assets do not require compressors until it is used" do app_file "app/assets/javascripts/demo.js.erb", "<%= :alert %>();" add_to_config "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 capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end 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()", File.read(file) end 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" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end manifest = "#{app_path}/public/assets/manifest.yml" assets = YAML.load_file(manifest) assert_match(/application-([0-z]+)\.js/, assets["application.js"]) assert_match(/application-([0-z]+)\.css/, assets["application.css"]) end test "precompile creates a manifest file in a custom path 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" add_to_config "config.assets.manifest = '#{app_path}/shared'" FileUtils.mkdir "#{app_path}/shared" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end manifest = "#{app_path}/shared/manifest.yml" assets = YAML.load_file(manifest) assert_match(/application-([0-z]+)\.js/, assets["application.js"]) assert_match(/application-([0-z]+)\.css/, 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'" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end manifest = "#{app_path}/public/x/manifest.yml" assets = YAML.load_file(manifest) assert_match(/application-([0-z]+)\.js/, assets["application.js"]) end test "precompile does not append asset digests when config.assets.digest is false" do app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>" app_file "app/assets/javascripts/application.js", "alert();" add_to_config "config.assets.digest = false" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end assert File.exists?("#{app_path}/public/assets/application.js") assert File.exists?("#{app_path}/public/assets/application.css") manifest = "#{app_path}/public/assets/manifest.yml" assets = YAML.load_file(manifest) assert_equal "application.js", assets["application.js"] assert_equal "application.css", assets["application.css"] end test "assets do not require any assets group gem when manifest file is present" do app_file "app/assets/javascripts/application.js", "alert();" ENV["RAILS_ENV"] = "production" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end manifest = "#{app_path}/public/assets/manifest.yml" assets = YAML.load_file(manifest) asset_path = 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 "assets raise AssetNotPrecompiledError when manifest file is present and requested file isn't precompiled" do app_file "app/views/posts/index.html.erb", "<%= javascript_include_tag 'app' %>" app_file "config/routes.rb", <<-RUBY AppTemplate::Application.routes.draw do match '/posts', :to => "posts#index" end RUBY ENV["RAILS_ENV"] = "production" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end # Create file after of precompile app_file "app/assets/javascripts/app.js", "alert();" require "#{app_path}/config/environment" class ::PostsController < ActionController::Base ; end get '/posts' assert_match(/AssetNotPrecompiledError/, last_response.body) assert_match(/app.js isn't precompiled/, last_response.body) end test "assets raise AssetNotPrecompiledError when manifest file is present and requested file isn't precompiled if digest is disabled" do app_file "app/views/posts/index.html.erb", "<%= javascript_include_tag 'app' %>" add_to_config "config.assets.compile = false" app_file "config/routes.rb", <<-RUBY AppTemplate::Application.routes.draw do match '/posts', :to => "posts#index" end RUBY ENV["RAILS_ENV"] = "development" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile` } end # Create file after of precompile app_file "app/assets/javascripts/app.js", "alert();" require "#{app_path}/config/environment" class ::PostsController < ActionController::Base ; end get '/posts' assert_match(/AssetNotPrecompiledError/, last_response.body) assert_match(/app.js isn't precompiled/, last_response.body) end test "precompile appends the md5 hash to files referenced with asset_path 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_config "config.assets.digest = true" # capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile RAILS_ENV=test` } # end file = Dir["#{app_path}/public/assets/application-*.css"].first assert_match(/\/assets\/rails-([0-z]+)\.png/, File.read(file)) end test "precompile appends the md5 hash to files referenced with asset_path and run in production as default even using RAILS_GROUPS=assets" do app_file "app/assets/stylesheets/application.css.erb", "<%= asset_path('rails.png') %>" add_to_config "config.assets.compile = true" ENV["RAILS_ENV"] = nil capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:precompile RAILS_GROUPS=assets` } end file = Dir["#{app_path}/public/assets/application-*.css"].first assert_match(/\/assets\/rails-([0-z]+)\.png/, File.read(file)) 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" capture(:stdout) do Dir.chdir(app_path){ `bundle exec rake assets:clean` } end files = Dir["#{app_path}/public/assets/**/*", "#{app_path}/tmp/cache/*"] assert_equal 0, files.length, "Expected no assets, but found #{files.join(', ')}" 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 match '/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 end end