the connection state wasn't reseted while closed a connection without sock

Author: plucury

hyper/http20/connection.py

@@ -450,7 +450,7 @@ def close(self, error_code=None):
 
             if self._sock is not None:
                 self._sock.close()
-                self.__init_state()
+            self.__init_state()
 
     def _send_outstanding_data(self, tolerate_peer_gone=False,
                                send_empty=True):

test/test_hyper.py

@@ -2,6 +2,7 @@
 import h2.settings
 
 from h2.frame_buffer import FrameBuffer
+from h2.connection import ConnectionState
 from hyperframe.frame import (
     Frame, DataFrame, RstStreamFrame, SettingsFrame, PushPromiseFrame,
     WindowUpdateFrame, HeadersFrame, ContinuationFrame, GoAwayFrame,
@@ -275,6 +276,18 @@ def test_closed_connections_are_reset(self):
         assert c.recent_stream is None
         assert c.next_stream_id == 1
         assert c.window_manager is not wm
+        with c._conn as conn:
+            assert conn.state_machine.state == ConnectionState.IDLE
+
+        c = HTTP20Connection('www.google.com')
+        c.close()
+        assert c._sock is None
+        assert not c.streams
+        assert c.recent_stream is None
+        assert c.next_stream_id == 1
+        assert c.window_manager is not wm
+        with c._conn as conn:
+            assert conn.state_machine.state == ConnectionState.IDLE
 
     def test_streams_removed_on_close(self):
         # Create content for read from socket