3 files changed, 17 insertions, 4 deletions
diff --git a/actionpack/lib/action_view/helpers/tags/base.rb b/actionpack/lib/action_view/helpers/tags/base.rb
index 24956beb9c..449f94d347 100644
--- a/actionpack/lib/action_view/helpers/tags/base.rb
+++ b/actionpack/lib/action_view/helpers/tags/base.rb
@@ -19,8 +19,9 @@ module ActionView
           @auto_index = retrieve_autoindex(Regexp.last_match.pre_match) if Regexp.last_match
         end
 
-        def render(&block)
-          raise "Abstract Method called"
+        # This is what child classes implement.
+        def render
+          raise NotImplementedError, "Subclasses must implement a render method"
         end
 
         private
diff --git a/actionpack/lib/action_view/helpers/tags/date_select.rb b/actionpack/lib/action_view/helpers/tags/date_select.rb
index 5912598ca1..5d706087b0 100644
--- a/actionpack/lib/action_view/helpers/tags/date_select.rb
+++ b/actionpack/lib/action_view/helpers/tags/date_select.rb
@@ -12,10 +12,16 @@ module ActionView
           error_wrapping(datetime_selector(@options, @html_options).send("select_#{select_type}").html_safe)
         end
 
+        class << self
+          def select_type
+            @select_type ||= self.name.split("::").last.sub("Select", "").downcase
+          end
+        end
+
         private
 
         def select_type
-          self.class.name.split("::").last.sub("Select", "").downcase
+          self.class.select_type
         end
 
         def datetime_selector(options, html_options)
diff --git a/actionpack/lib/action_view/helpers/tags/text_field.rb b/actionpack/lib/action_view/helpers/tags/text_field.rb
index 0f81726eb4..ce5182d20f 100644
--- a/actionpack/lib/action_view/helpers/tags/text_field.rb
+++ b/actionpack/lib/action_view/helpers/tags/text_field.rb
@@ -13,10 +13,16 @@ module ActionView
           tag("input", options)
         end
 
+        class << self
+          def field_type
+            @field_type ||= self.name.split("::").last.sub("Field", "").downcase
+          end
+        end
+
         private
 
         def field_type
-          @field_type ||= self.class.name.split("::").last.sub("Field", "").downcase
+          self.class.field_type
         end
       end
     end