Ruby 1.9 compat: change encoding of action_view/renderable to utf-8, …

…so erb templates can use utf-8 properly

[#1881 state:committed]

Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>

actionpack/lib/action_view/renderable.rb

@@ -1,3 +1,5 @@
+# encoding: utf-8
+
 module ActionView
   # NOTE: The template that this mixin is being included into is frozen
   # so you cannot set or modify any instance variables

actionpack/test/fixtures/test/utf8.html.erb

@@ -0,0 +1,2 @@
+Русский текст
+日本語のテキスト

actionpack/test/template/render_test.rb

@@ -1,3 +1,4 @@
+# encoding: utf-8
 require 'abstract_unit'
 require 'controller/fake_models'
 
@@ -204,6 +205,14 @@ def test_render_with_nested_layout
     assert_equal %(<title>title</title>\n<div id="column">column</div>\n<div id="content">content</div>\n),
       @view.render(:file => "test/nested_layout.erb", :layout => "layouts/yield")
   end
+
+  if '1.9'.respond_to?(:force_encoding)
+    def test_render_utf8_template
+      result = @view.render(:file => "test/utf8.html.erb", :layouts => "layouts/yield")
+      assert_equal "Русский текст\n日本語のテキスト", result
+      assert_equal Encoding::UTF_8, result.encoding
+    end
+  end
 end
 
 class CachedViewRenderTest < Test::Unit::TestCase