Return body parts directly to Rack rather than building a response string ourselves. Allows Rack middleware to orchestrate response building.

2 files changed, 3 insertions, 3 deletions

diff --git a/actionpack/test/controller/rack_test.rb b/actionpack/test/controller/rack_test.rb
index b550d3db78..89bf4fdacc 100644
--- a/actionpack/test/controller/rack_test.rb
+++ b/actionpack/test/controller/rack_test.rb
@@ -258,7 +258,7 @@ class RackResponseTest < BaseRackTest
     }, headers)
 
     parts = []
-    body.each { |part| parts << part }
+    body.each { |part| parts << part.to_s }
     assert_equal ["0", "1", "2", "3", "4"], parts
   end
 end
diff --git a/actionpack/test/controller/send_file_test.rb b/actionpack/test/controller/send_file_test.rb
index a27e951929..3d1904fee9 100644
--- a/actionpack/test/controller/send_file_test.rb
+++ b/actionpack/test/controller/send_file_test.rb
@@ -44,12 +44,12 @@ class SendFileTest < ActionController::TestCase
     response = nil
     assert_nothing_raised { response = process('file') }
     assert_not_nil response
-    assert_kind_of Proc, response.body
+    assert_kind_of Proc, response.body_parts
 
     require 'stringio'
     output = StringIO.new
     output.binmode
-    assert_nothing_raised { response.body.call(response, output) }
+    assert_nothing_raised { response.body_parts.call(response, output) }
     assert_equal file_data, output.string
   end