test_snappy.py 文件源码

def test_get_default_gateway_ip_returns_ipv4_over_ipv6(self):
        gw4_address = factory.make_ipv4_address()
        gw6_address = factory.make_ipv6_address()
        ipv4_address = factory.make_ipv4_address()
        ipv6_address = factory.make_ipv6_address()
        iface = factory.make_name('eth')
        self.patch(netifaces, 'gateways').return_value = {
            'default': {
                netifaces.AF_INET: (gw4_address, iface),
                netifaces.AF_INET6: (gw6_address, iface),
            }
        }
        self.patch(netifaces, 'ifaddresses').return_value = {
            netifaces.AF_INET: [{'addr': ipv4_address}],
            netifaces.AF_INET6: [{'addr': ipv6_address}],
        }
        self.assertEqual(ipv4_address, snappy.get_default_gateway_ip())