def unpacks_decr_header_without_reply(self):
parser = TextParser()
request_bytes = b'decr foo 123 noreply\r\n'
header = parser.unpack_request_header(request_bytes)
self.assertEqual(header.raw, request_bytes)
self.assertEqual(header.command, b'decr')
self.assertEqual(header.key, b'foo')
self.assertEqual(header.value, 123)
self.assertTrue(header.noreply)
self.assertTrue(parser.is_increase_decrease_command(header.command))
