Fix ActionView::RecordIdentifier to work as a singleton

We extend it with self, but the methods were not working properly were
used directly on module.

2 files changed, 10 insertions, 0 deletions

diff --git a/actionpack/lib/action_view/record_identifier.rb b/actionpack/lib/action_view/record_identifier.rb
index 0d44145231..2953654972 100644
--- a/actionpack/lib/action_view/record_identifier.rb
+++ b/actionpack/lib/action_view/record_identifier.rb
@@ -27,6 +27,7 @@ module ActionView
   # same naming convention and allows you to write less code if you follow it.
   module RecordIdentifier
     extend self
+    extend ModelNaming
 
     include ModelNaming
 
diff --git a/actionpack/test/template/record_identifier_test.rb b/actionpack/test/template/record_identifier_test.rb
index a7f1420059..22038110a5 100644
--- a/actionpack/test/template/record_identifier_test.rb
+++ b/actionpack/test/template/record_identifier_test.rb
@@ -37,4 +37,13 @@ class RecordIdentifierTest < ActiveSupport::TestCase
   def test_dom_class_with_prefix
     assert_equal "custom_prefix_#{@singular}", dom_class(@record, :custom_prefix)
   end
+
+  def test_dom_id_as_singleton_method
+    @record.save
+    assert_equal "#{@singular}_1", ActionView::RecordIdentifier.dom_id(@record)
+  end
+
+  def test_dom_class_as_singleton_method
+    assert_equal @singular, ActionView::RecordIdentifier.dom_class(@record)
+  end
 end