Add test to make sure the sprockets cache is not shared per environment

1 files changed, 20 insertions, 0 deletions

diff --git a/railties/test/application/assets_test.rb b/railties/test/application/assets_test.rb
index 2670fad618..11e19eec80 100644
--- a/railties/test/application/assets_test.rb
+++ b/railties/test/application/assets_test.rb
@@ -186,6 +186,26 @@ module ApplicationTests
       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", "<%= 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" ]'