1 files changed, 12 insertions, 2 deletions
diff --git a/actionmailer/test/abstract_unit.rb b/actionmailer/test/abstract_unit.rb
index ea15709b45..b430dffdf8 100644
--- a/actionmailer/test/abstract_unit.rb
+++ b/actionmailer/test/abstract_unit.rb
@@ -11,8 +11,18 @@ ensure
   $VERBOSE = old
 end
 
-
 require 'active_support/core_ext/kernel/reporting'
+
+require 'active_support/core_ext/string/encoding'
+if "ruby".encoding_aware?
+  # These are the normal settings that will be set up by Railties
+  # TODO: Have these tests support other combinations of these values
+  silence_warnings do
+    Encoding.default_internal = "UTF-8"
+    Encoding.default_external = "UTF-8"
+  end
+end
+
 silence_warnings do
   # These external dependencies have warnings :/
   require 'text/format'
@@ -67,4 +77,4 @@ end
 
 def restore_delivery_method
   ActionMailer::Base.delivery_method = @old_delivery_method
-end
-\ No newline at end of file
+end