test_subnet.py 文件源码

def test__logs_if_suggests_previously_observed_neighbour(self):
        # Note: 10.0.0.0/30 --> 10.0.0.1 and 10.0.0.0.2 are usable.
        subnet = self.make_Subnet(
            cidr="10.0.0.0/30", gateway_ip=None, dns_servers=None)
        rackif = factory.make_Interface(vlan=subnet.vlan)
        now = datetime.now()
        yesterday = now - timedelta(days=1)
        factory.make_Discovery(
            ip="10.0.0.1", interface=rackif, updated=now)
        factory.make_Discovery(
            ip="10.0.0.2", interface=rackif, updated=yesterday)
        logger = self.useFixture(FakeLogger("maas"))
        ip = subnet.get_next_ip_for_allocation()
        self.assertThat(ip, Equals("10.0.0.2"))
        self.assertThat(logger.output, DocTestMatches(
            "Next IP address...observed previously..."
        ))