Added tests for railtie_name and aliased it in engine as engine_name

railties/lib/rails/engine.rb

@@ -166,6 +166,7 @@ class Engine < Railtie
 
     class << self
       attr_accessor :called_from
+      alias :engine_name :railtie_name
 
       def inherited(base)
         unless base.abstract_railtie?
@@ -201,6 +202,7 @@ def endpoint(endpoint = nil)
     end
 
     delegate :middleware, :root, :paths, :to => :config
+    delegate :engine_name, :to => "self.class"
 
     def load_tasks
       super

railties/test/railties/railtie_test.rb

@@ -19,6 +19,22 @@ def app
       assert !Rails::Railtie.respond_to?(:config)
     end
 
+    test "Railtie provides railtie_name" do
+      begin
+        class ::Foo < Rails::Railtie ; end
+        assert_equal "foo", ::Foo.railtie_name
+      ensure
+        Object.send(:remove_const, :"Foo")
+      end
+    end
+
+    test "railtie_name can be set manualy" do
+      class Foo < Rails::Railtie
+        railtie_name "bar"
+      end
+      assert_equal "bar", Foo.railtie_name
+    end
+
     test "cannot inherit from a railtie" do
       class Foo < Rails::Railtie ; end
       assert_raise RuntimeError do