fix https://github.com/rails/rails/issues/2947 (with testcase)

1 files changed, 16 insertions, 0 deletions

diff --git a/railties/test/application/rake_test.rb b/railties/test/application/rake_test.rb
index 9b1b24fca1..721a8c978f 100644
--- a/railties/test/application/rake_test.rb
+++ b/railties/test/application/rake_test.rb
@@ -260,5 +260,21 @@ module ApplicationTests
       end
     end
 
+    def test_assets_precompile_ignore_asset_host
+      add_to_config <<-RUBY
+        config.action_controller.asset_host = Proc.new { |source, request| "http://www.example.com/" }
+      RUBY
+
+      app_file "app/assets/javascripts/test.js.erb", <<-RUBY
+        alert("<%= asset_path "rails.png" %>");
+      RUBY
+
+      Dir.chdir(app_path) do
+        `rake assets:precompile`
+        open("public/assets/application.js") do |f|
+          assert_match(/\"\/assets\/rails.png\"/, f.read)
+        end
+      end
+    end
   end
 end