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 %>();"
app_file "config/initializers/compile.rb", "Rails.application.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
app_file "config/initializers/digest.rb", "Rails.application.config.assets.digest = true"
app_file "config/initializers/caching.rb", "Rails.application.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
app_file "config/initializers/compile.rb", "Rails.application.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();"
FileUtils.mkdir "#{app_path}/shared"
app_file "config/initializers/manifest.rb", "Rails.application.config.assets.manifest = '#{app_path}/shared'"
# digest is default in false, we must enable it for test environment
app_file "config/initializers/compile.rb", "Rails.application.config.assets.digest = true"
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();"
app_file "config/initializers/manifest.rb", "Rails.application.config.assets.prefix = '/x'"
# digest is default in false, we must enable it for test environment
app_file "config/initializers/compile.rb", "Rails.application.config.assets.digest = true"
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();"
app_file "config/initializers/compile.rb", "Rails.application.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' %>"
app_file "config/initializers/compile.rb", "Rails.application.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
app_file "config/initializers/compile.rb", "Rails.application.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') %>"
app_file "config/initializers/compile.rb", "Rails.application.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