1 files changed, 45 insertions, 0 deletions
diff --git a/railties/test/railties/configuration_test.rb b/railties/test/railties/configuration_test.rb
new file mode 100644
index 0000000000..c5ff6dad9c
--- /dev/null
+++ b/railties/test/railties/configuration_test.rb
@@ -0,0 +1,45 @@
+require "isolation/abstract_unit"
+
+module RailtiesTest
+  class ConfigurationTest < Test::Unit::TestCase
+    def setup
+      build_app
+      boot_rails
+      require "rails/all"
+    end
+
+    test "config is available to plugins" do
+      class Foo < Rails::Railtie ; end
+      assert_nil Foo.config.action_controller.foo
+    end
+
+    test "a config name is available for the plugin" do
+      class Foo < Rails::Railtie ; config.foo.greetings = "hello" ; end
+      assert_equal "hello", Foo.config.foo.greetings
+    end
+
+    test "plugin configurations are available in the application" do
+      class Foo < Rails::Railtie ; config.foo.greetings = "hello" ; end
+      require "#{app_path}/config/application"
+      assert_equal "hello", AppTemplate::Application.config.foo.greetings
+    end
+
+    test "plugin config merges are deep" do
+      class Foo < Rails::Railtie ; config.foo.greetings = 'hello' ; end
+      class Bar < Rails::Railtie
+        config.foo.bar = "bar"
+      end
+      assert_equal "hello", Bar.config.foo.greetings
+      assert_equal "bar",   Bar.config.foo.bar
+    end
+
+    test "plugin can add subscribers" do
+      begin
+        class Foo < Rails::Railtie; subscriber(Rails::Subscriber.new); end
+        assert_kind_of Rails::Subscriber, Rails::Subscriber.subscribers[:foo]
+      ensure
+        Rails::Subscriber.subscribers.clear
+      end
+    end
+  end
+end