1 files changed, 80 insertions, 0 deletions
diff --git a/railties/test/application/initializers/frameworks_test.rb b/railties/test/application/initializers/frameworks_test.rb
new file mode 100644
index 0000000000..ea052320ef
--- /dev/null
+++ b/railties/test/application/initializers/frameworks_test.rb
@@ -0,0 +1,80 @@
+require "isolation/abstract_unit"
+
+module ApplicationTests
+  class FrameworlsTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      build_app
+      boot_rails
+      FileUtils.rm_rf "#{app_path}/config/environments"
+    end
+
+    # AC & AM
+    test "set load paths set only if action controller or action mailer are in use" do
+      assert_nothing_raised NameError do
+        add_to_config <<-RUBY
+          config.root = "#{app_path}"
+        RUBY
+
+        use_frameworks []
+        require "#{app_path}/config/environment"
+      end
+    end
+
+    test "sets action_controller and action_mailer load paths" do
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+      RUBY
+
+      require "#{app_path}/config/environment"
+      ActionController::Base.view_paths.include?(File.expand_path("app/views", app_path))
+      ActionMailer::Base.view_paths.include?(File.expand_path("app/views", app_path))
+    end
+
+    # AS
+    test "if there's no config.active_support.bare, all of ActiveSupport is required" do
+      use_frameworks []
+      require "#{app_path}/config/environment"
+      assert_nothing_raised { [1,2,3].rand }
+    end
+
+    test "config.active_support.bare does not require all of ActiveSupport" do
+      add_to_config "config.active_support.bare = true"
+
+      use_frameworks []
+
+      Dir.chdir("#{app_path}/app") do
+        require "#{app_path}/config/environment"
+        assert_raises(NoMethodError) { [1,2,3].rand }
+      end
+    end
+
+    # AR
+    test "database middleware doesn't initialize when session store is not active_record" do
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+        config.action_controller.session_store = :cookie_store
+      RUBY
+      require "#{app_path}/config/environment"
+
+      assert !Rails.application.config.middleware.include?(ActiveRecord::SessionStore)
+    end
+
+    test "database middleware initializes when session store is active record" do
+      add_to_config "config.action_controller.session_store = :active_record_store"
+
+      require "#{app_path}/config/environment"
+
+      expects = [ActiveRecord::ConnectionAdapters::ConnectionManagement, ActiveRecord::QueryCache, ActiveRecord::SessionStore]
+      middleware = Rails.application.config.middleware.map { |m| m.klass }
+      assert_equal expects, middleware & expects
+    end
+
+    test "database middleware doesn't initialize when activerecord is not in frameworks" do
+      use_frameworks []
+      require "#{app_path}/config/environment"
+      assert_nil defined?(ActiveRecord)
+    end
+  end
+end