Use output_buffer reader and writer methods exclusively instead of hitting the instance variable so others can override the methods.

1 files changed, 5 insertions, 0 deletions

diff --git a/actionpack/lib/action_view/test_case.rb b/actionpack/lib/action_view/test_case.rb
index 16fedd9732..1a3c93c283 100644
--- a/actionpack/lib/action_view/test_case.rb
+++ b/actionpack/lib/action_view/test_case.rb
@@ -37,6 +37,8 @@ module ActionView
       if helper_class && !self.class.ancestors.include?(helper_class)
         self.class.send(:include, helper_class)
       end
+
+      self.output_buffer = ''
     end
 
     class TestController < ActionController::Base
@@ -48,6 +50,9 @@ module ActionView
       end
     end
 
+    protected
+      attr_accessor :output_buffer
+
     private
       def method_missing(selector, *args)
         controller = TestController.new