Source code for dhcpkit.tests.ipv6.extensions.test_sntp

"""
Test the SNTP options implementations
"""
import unittest
from ipaddress import IPv6Address

from dhcpkit.ipv6.extensions.sntp import SNTPServersOption
from dhcpkit.tests.ipv6.options import test_option


[docs]class SNTPServersOptionTestCase(test_option.OptionTestCase):
[docs] def setUp(self): self.option_bytes = bytes.fromhex('001f0020' '20010db8000000000000000000000001' '20010db8000000000000000000000002') self.option_object = SNTPServersOption(sntp_servers=[IPv6Address('2001:db8::1'), IPv6Address('2001:db8::2')]) self.parse_option()
[docs] def test_validate_sntp_servers(self): self.option.sntp_servers = IPv6Address('2001:db8::1') with self.assertRaisesRegex(ValueError, 'must be a list'): self.option.validate() self.option.sntp_servers = ['2001:db8::1', '2001:db8::2'] with self.assertRaisesRegex(ValueError, 'IPv6 address'): self.option.validate()
[docs] def test_bad_option_length(self): with self.assertRaisesRegex(ValueError, 'length must be a multiple of 16'): SNTPServersOption.parse(bytes.fromhex('001f000f20010db8000000000000000000000001')) with self.assertRaisesRegex(ValueError, 'longer than the available buffer'): SNTPServersOption.parse(bytes.fromhex('001f001120010db8000000000000000000000001')) with self.assertRaisesRegex(ValueError, 'length must be a multiple of 16'): SNTPServersOption.parse(bytes.fromhex('001f001120010db800000000000000000000000100'))
if __name__ == '__main__': # pragma: no cover unittest.main()