1 files changed, 6 insertions, 12 deletions
diff --git a/actionpack/lib/action_dispatch/testing/test_response.rb b/actionpack/lib/action_dispatch/testing/test_response.rb
index c5464f1559..c35982e075 100644
--- a/actionpack/lib/action_dispatch/testing/test_response.rb
+++ b/actionpack/lib/action_dispatch/testing/test_response.rb
@@ -93,6 +93,12 @@ module ActionDispatch
         ActiveSupport::Deprecation.warn("response.has_template_object? has been deprecated. Use tempate.assigns[name].nil? instead", caller)
         !template_objects[name].nil?
       end
+
+      # Returns binary content (downloadable file), converted to a String
+      def binary_content
+        ActiveSupport::Deprecation.warn("response.binary_content has been deprecated. Use response.body instead", caller)
+        body
+      end
     end
     include DeprecatedHelpers
 
@@ -121,17 +127,5 @@ module ActionDispatch
     def client_error?
       (400..499).include?(response_code)
     end
-
-    # Returns binary content (downloadable file), converted to a String
-    def binary_content
-      raise "Response body is not a Proc: #{body_parts.inspect}" unless body_parts.kind_of?(Proc)
-      require 'stringio'
-
-      sio = StringIO.new
-      body_parts.call(self, sio)
-
-      sio.rewind
-      sio.read
-    end
   end
 end