def test_enter_after_cancel(self):
# There are no writes to chan2, so handshake should never complete
chan1, chan2 = make_channel_pair()
conn = Connection(chan1)
conn.cancel()
with self.assertRaises(ValueError):
conn.__enter__()
def _run_export_over_multiple_connections_test():
options = Options(accept_exported_modules=True)
conn1 = Connection(make_channel_pair()[0], options=options)
try:
Connection(make_channel_pair()[0], options=options)
except ValueError:
pass
else:
raise AssertionError('ValueError not raised')
conn1.cancel()
try:
conn1.close()
except Exception: # generated by cancel()
pass