Get controller/layout_test.rb running on new base except for ActionController::Base.exempt_from_layout which is going to be deprecated.

actionpack/Rakefile

@@ -61,12 +61,13 @@ Rake::TestTask.new(:test_new_base_on_old_tests) do |t|
   # layout
   # Dir.glob( "test/{dispatch,template}/**/*_test.rb" ).sort +
   t.test_files = %w(
-    addresses_render base benchmark caching capture content_type dispatcher
+    action_pack_assertions addresses_render assert_select
-    flash mime_responds record_identifier redirect
+    base benchmark caching capture content_type dispatcher
-    render render_json render_xml
+    filter_params flash helper http_basic_authentication
-    send_file request_forgery_protection rescue url_rewriter verification webservice
+    http_digest_authentication layout mime_responds
-    http_basic_authentication http_digest_authentication
+    record_identifier redirect render render_json render_xml
-    action_pack_assertions assert_select filter_params helper
+    send_file request_forgery_protection rescue url_rewriter
+    verification webservice
   ).map { |name| "test/controller/#{name}_test.rb" }
 end
 

actionpack/lib/action_controller/abstract/layouts.rb

@@ -65,12 +65,12 @@ def _layout() end # This will be overwritten
     # :api: plugin
     # ====
     # Override this to mutate the inbound layout name
-    def _layout_for_name(name)
+    def _layout_for_name(name, details = {:formats => formats})
       unless [String, FalseClass, NilClass].include?(name.class)
         raise ArgumentError, "String, false, or nil expected; you passed #{name.inspect}"
       end
       
-      name && view_paths.find_by_parts(name, {:formats => formats}, _layout_prefix(name))
+      name && view_paths.find_by_parts(name, details, _layout_prefix(name))
     end
 
     # TODO: Decide if this is the best hook point for the feature
@@ -78,7 +78,7 @@ def _layout_prefix(name)
       "layouts"
     end
     
-    def _default_layout(require_layout = false)
+    def _default_layout(require_layout = false, details = {:formats => formats})
       if require_layout && _action_has_layout? && !_layout
         raise ArgumentError,
           "There was no default layout for #{self.class} in #{view_paths.inspect}"

actionpack/lib/action_controller/new_base/layouts.rb

@@ -11,23 +11,20 @@ def _implied_layout_name
       end
     end
     
-    def render_to_body(options)
-      # render :text => ..., :layout => ...
-      # or
-      # render :anything_else
-      if (!options.key?(:text) && !options.key?(:inline) && !options.key?(:partial)) || options.key?(:layout)
-        options[:_layout] = options.key?(:layout) ? _layout_for_option(options[:layout]) : _default_layout
-      end
-      
-      super
-    end
-    
   private
 
-    def _layout_for_option(name)
+    def _determine_template(options)
+      super
+      if (!options.key?(:text) && !options.key?(:inline) && !options.key?(:partial)) || options.key?(:layout)
+        options[:_layout] = _layout_for_option(options.key?(:layout) ? options[:layout] : :none, options[:_template].details)
+      end
+    end
+  
+    def _layout_for_option(name, details)
       case name
-      when String     then _layout_for_name(name)
+      when String     then _layout_for_name(name, details)
-      when true       then _default_layout(true)
+      when true       then _default_layout(true, details)
+      when :none      then _default_layout(false, details)
       when false, nil then nil
       else
         raise ArgumentError, 

actionpack/lib/action_view/template/template.rb

@@ -7,7 +7,7 @@
 module ActionView
   class Template
     extend TemplateHandlers
-    attr_reader :source, :identifier, :handler, :mime_type
+    attr_reader :source, :identifier, :handler, :mime_type, :details
     
     def initialize(source, identifier, handler, details)
       @source     = source

actionpack/lib/action_view/template/text.rb

@@ -6,6 +6,10 @@ def initialize(string, content_type = Mime[:html])
       @content_type = Mime[content_type]
     end
 
+    def details
+      {:formats => [@content_type.to_sym]}
+    end
+
     def identifier() self end
     
     def render(*) self end

actionpack/test/controller/layout_test.rb

@@ -174,6 +174,8 @@ def test_layout_is_not_set_when_none_rendered
     assert_nil @controller.template.layout
   end
 
+  for_tag(:old_base) do
+    # exempt_from_layout is deprecated
     def test_exempt_from_layout_honored_by_render_template
       ActionController::Base.exempt_from_layout :erb
       @controller = RenderWithTemplateOptionController.new
@@ -184,6 +186,7 @@ def test_exempt_from_layout_honored_by_render_template
     ensure
       ActionController::Base.exempt_from_layout.delete(ERB)
     end
+  end
 
   def test_layout_is_picked_from_the_controller_instances_view_path
     pending do