1 files changed, 12 insertions, 12 deletions
diff --git a/actionpack/lib/action_dispatch/testing/test_response.rb b/actionpack/lib/action_dispatch/testing/test_response.rb
index 50c6d85828..c35982e075 100644
--- a/actionpack/lib/action_dispatch/testing/test_response.rb
+++ b/actionpack/lib/action_dispatch/testing/test_response.rb
@@ -1,4 +1,10 @@
 module ActionDispatch
+  # Integration test methods such as ActionController::Integration::Session#get
+  # and ActionController::Integration::Session#post return objects of class
+  # TestResponse, which represent the HTTP response results of the requested
+  # controller actions.
+  #
+  # See Response for more information on controller response objects.
   class TestResponse < Response
     def self.from_response(response)
       new.tap do |resp|
@@ -87,6 +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
 
@@ -115,17 +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