def test_helper_masked_ping_message(self):
s = Stream(always_mask=True)
m = s.ping('sos')
self.assertIsInstance(m, bytes)
self.assertEqual(len(m), 9)
def test_helper_ping_message(self):
s = Stream()
m = s.ping('sos')
self.assertIsInstance(m, bytes)
self.assertEqual(len(m), 5)