1 files changed, 56 insertions, 0 deletions
diff --git a/railties/test/application/asset_debugging_test.rb b/railties/test/application/asset_debugging_test.rb
new file mode 100644
index 0000000000..0be591a1b9
--- /dev/null
+++ b/railties/test/application/asset_debugging_test.rb
@@ -0,0 +1,56 @@
+require 'isolation/abstract_unit'
+require 'rack/test'
+
+module ApplicationTests
+  class AssetDebuggingTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+    include Rack::Test::Methods
+
+    def setup
+      build_app(:initializers => true)
+
+      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
+          match '/posts', :to => "posts#index"
+        end
+      RUBY
+
+      app_file "app/controllers/posts_controller.rb", <<-RUBY
+        class PostsController < ActionController::Base
+        end
+      RUBY
+
+      ENV["RAILS_ENV"] = "production"
+
+      boot_rails
+    end
+
+    def teardown
+      teardown_app
+    end
+
+    test "assets are concatenated when debug is off and allow_debugging is off either if debug_assets param is provided" do
+      # config.assets.debug and config.assets.allow_debugging are false for production environment
+      require "#{app_path}/config/environment"
+
+      # the debug_assets params isn't used if allow_debugging is off
+      get '/posts?debug_assets=true'
+      assert_match %r{<script src="/assets/application-([0-z]+)\.js" type="text/javascript"></script>}, last_response.body
+      assert_not_match %r{<script src="/assets/xmlhr-([0-z]+)\.js" type="text/javascript"></script>}, last_response.body
+    end
+
+    test "assets aren't concatened when allow_debugging is on and debug_assets params is true" do
+      app_file "config/initializers/allow_debugging.rb", "Rails.application.config.assets.allow_debugging = true"
+
+      require "#{app_path}/config/environment"
+
+      get '/posts?debug_assets=true'
+      assert_match %r{<script src="/assets/application-([0-z]+)\.js\?body=1" type="text/javascript"></script>}, last_response.body
+      assert_match %r{<script src="/assets/xmlhr-([0-z]+)\.js\?body=1" type="text/javascript"></script>}, last_response.body
+    end
+  end
+end