From 6cb6290f5ddd3001da56e767581c3b277367574a Mon Sep 17 00:00:00 2001
From: Timm <kaspth@gmail.com>
Date: Tue, 27 May 2014 22:22:06 +0200
Subject: [PATCH] Make output_buffers used in tests be utf-8 encoded. Fixing
 unknown encoding ASCII-8BIT test errors.

---
 actionview/lib/action_view/test_case.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/actionview/lib/action_view/test_case.rb b/actionview/lib/action_view/test_case.rb
index 337fa0e840..2d54b90570 100644
--- a/actionview/lib/action_view/test_case.rb
+++ b/actionview/lib/action_view/test_case.rb
@@ -103,7 +103,9 @@ module ActionView
       def setup_with_controller
         @controller = ActionView::TestCase::TestController.new
         @request = @controller.request
-        @output_buffer = ActiveSupport::SafeBuffer.new
+        # empty string ensures buffer has UTF-8 encoding as
+        # new without arguments returns ASCII-8BIT encoded buffer like String#new
+        @output_buffer = ActiveSupport::SafeBuffer.new ''
         @rendered = ''
 
         make_test_case_available_to_view!