bpo-32947: test_ssl fixes for TLS 1.3 and OpenSSL 1.1.1 (GH-11612)

Backport partially commit 529525f:
complete the previous partial backport (commit
2a4ee8a.

Co-Authored-By: Christian Heimes <[email protected]>

Author: 2 people

Lib/test/test_ssl.py

@@ -2029,6 +2029,16 @@ def run(self):
                                 sys.stdout.write(" server: read %r (%s), sending back %r (%s)...\n"
                                                  % (msg, ctype, msg.lower(), ctype))
                             self.write(msg.lower())
+                    except ConnectionResetError:
+                        # XXX: OpenSSL 1.1.1 sometimes raises ConnectionResetError
+                        # when connection is not shut down gracefully.
+                        if self.server.chatty and support.verbose:
+                            sys.stdout.write(
+                                " Connection reset by peer: {}\n".format(
+                                    self.addr)
+                            )
+                        self.close()
+                        self.running = False
                     except OSError:
                         if self.server.chatty:
                             handle_error("Test server failure:\n")
@@ -2108,6 +2118,11 @@ def run(self):
                     pass
                 except KeyboardInterrupt:
                     self.stop()
+                except BaseException as e:
+                    if support.verbose and self.chatty:
+                        sys.stdout.write(
+                            ' connection handling failed: ' + repr(e) + '\n')
+
             self.sock.close()
 
         def stop(self):

Misc/NEWS.d/next/Tests/2019-01-18-17-46-10.bpo-32947.Hk0KnM.rst

@@ -0,0 +1 @@
+test_ssl fixes for TLS 1.3 and OpenSSL 1.1.1.