From 66001eb1551b3bf33b0212432b89acce6cef4b6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20=C2=ABMalo=C2=BB=20Skrylev?= <majioa@yandex.ru>
Date: Sun, 31 Dec 2023 06:13:14 +0300
Subject: [PATCH] fix: rack mock

! backport for fixed rack mock
---
 lib/rack/mock.rb | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/rack/mock.rb b/lib/rack/mock.rb
index 5b2512ca0..33b3a073c 100644
--- a/lib/rack/mock.rb
+++ b/lib/rack/mock.rb
@@ -212,8 +212,15 @@ def body
       #   end
       buffer = String.new
 
-      super.each do |chunk|
-        buffer << chunk
+      body = super
+      body = body.body if body.respond_to?(:body)
+
+      if body.respond_to?(:each)
+         body.each do |chunk|
+            buffer << chunk
+         end
+      else
+         buffer = body.to_s
       end
 
       return buffer