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# These warnings are not useful in unit tests.
# pylint: disable=missing-class-docstring,missing-function-docstring,missing-module-docstring
__copyright__ = "Copyright 2023 the Pacemaker project contributors"
__license__ = "GPLv2+"
import unittest
from pacemaker._cts.network import next_ip
# next_ip makes a bunch of assumptions that we are not going to test here:
#
# * The env argument actually contains an "IPBase" key with a string in it
# * The string is a properly formatted IPv4 or IPv6 address, with no extra
# leading or trailing whitespace
class NextIPTestCase(unittest.TestCase):
def test_ipv4(self):
# The first time next_ip is called, it will read the IPBase out of
# the environment. After that, it just goes off whatever it
# previously returned, so the environment value doesn't matter.
self.assertEqual(next_ip("1.1.1.1"), "1.1.1.2")
self.assertEqual(next_ip(), "1.1.1.3")
# Passing reset=True will force it to re-read the environment. Here,
# we use that to ask it for a value outside of the available range.
self.assertRaises(ValueError, next_ip, "1.1.1.255", reset=True)
def test_ipv6(self):
# Same comments as for the test_ipv4 function, plus we need to reset
# here because otherwise it will remember what happened in that function.
self.assertEqual(next_ip("fe80::fc54:ff:fe09:101", reset=True),
"fe80::fc54:ff:fe09:102")
self.assertEqual(next_ip(),
"fe80::fc54:ff:fe09:103")
self.assertRaises(ValueError, next_ip, "fe80::fc54:ff:fe09:ffff", reset=True)
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