ensure body is closed during hijack

Middlewares such as Rack::Lock (used by Rails) break badly unless
the response body is closed on hijack, so we will close it to follow
the lead of other popular Rack servers.

While it's unclear if there's anybody using rack.hijack besides
yahns/proxy_pass we'll try to emulate the behavior of other servers
as much as possible.

ref: https://github.com/ngauthier/tubesock/issues/10

While we're at it, use DieIfUsed correctly in test_ssl.rb :x

1 files changed, 4 insertions, 1 deletions

diff --git a/test/test_ssl.rb b/test/test_ssl.rb
index 8f01ef7..c54cc3c 100644
--- a/test/test_ssl.rb
+++ b/test/test_ssl.rb
@@ -124,10 +124,11 @@ AQjjxMXhwULlmuR/K+WwlaZPiLIBYalLAZQ7ZbOPeVkJ8ePao0eLAgEC
               p [ :ERR, req ]
             end until s.closed?
           end
-          [ 200, DieIfUsed, DieIfUsed ]
+          [ 200, DieIfUsed.new, DieIfUsed.new ]
         end
         app(:rack, ru) { listen "#{host}:#{port}", ssl_ctx: ctx }
         logger(Logger.new(err.path))
+        stderr_path err.path
       end
     end
     client = ssl_client(host, port)
@@ -147,6 +148,8 @@ AQjjxMXhwULlmuR/K+WwlaZPiLIBYalLAZQ7ZbOPeVkJ8ePao0eLAgEC
       %w(a b c d).each { |x| client.puts(x) }
       assert_equal "abcd", client.gets.strip
     end
+    errs = File.readlines(err.path).grep(/DieIfUsed/)
+    assert_equal([ "INFO #{pid} closed DieIfUsed 1\n" ], errs)
   ensure
     client.close if client
     quit_wait(pid)