1 files changed, 32 insertions, 0 deletions
diff --git a/test/inherit.rb b/test/inherit.rb
index b342ab0..34aa52f 100644
--- a/test/inherit.rb
+++ b/test/inherit.rb
@@ -142,4 +142,36 @@ class TestInherit < Test::Unit::TestCase
      @err.rewind
      assert_match(/failed to parse/, @err.read)
    end
+
+  def test_inherit_systemd
+    # disabled test on old Rubies: https://bugs.ruby-lang.org/issues/11336
+    # [ruby-core:69895] [Bug #11336] fixed by r51576
+    return unless RUBY_VERSION.to_f >= 2.3
+
+    mgmt = TCPServer.new(@host, 0)
+    @to_close << mgmt
+    mport = mgmt.addr[1]
+    cmd = %W(cmogstored --docroot=#@tmpdir --httplisten=#@host:#@port
+             --mgmtlisten=#@host:#{mport} --maxconns=100)
+    @pid = fork do
+      ENV['LISTEN_PID'] = "#$$"
+      ENV['LISTEN_FDS'] = '2'
+      exec(*cmd, 3 => mgmt.fileno, 4 => @srv.fileno)
+    end
+
+    # just ensure HTTP works after being inherited
+    Net::HTTP.start(@host, @port) do |http|
+      [ Net::HTTP::Get, Net::HTTP::Head ].each do |meth|
+        resp = http.request(meth.new("/"))
+        assert_kind_of Net::HTTPOK, resp
+      end
+    end
+
+    # still works since drop is open in _this_ process
+    c = TCPSocket.new(@host, mport)
+    assert_instance_of(TCPSocket, c)
+    @to_close << c
+    c.write "hello\n"
+    assert_match /ERROR: unknown command/, c.gets
+  end
  end