test_linux_net.py 文件源码

def test_ensure_bridge_brings_up_interface(self):
        # We have to bypass the CONF.fake_network check so that netifaces
        # is actually called.
        self.flags(fake_network=False)
        fake_mac = 'aa:bb:cc:00:11:22'
        fake_ifaces = {
            netifaces.AF_LINK: [{'addr': fake_mac}]
        }
        calls = {
            'device_exists': [mock.call('bridge')],
            '_execute': [
                mock.call('brctl', 'addif', 'bridge', 'eth0',
                          run_as_root=True, check_exit_code=False),
                mock.call('ip', 'link', 'set', 'bridge', 'address', fake_mac,
                          run_as_root=True),
                mock.call('ip', 'link', 'set', 'eth0', 'up',
                          run_as_root=True, check_exit_code=False),
                mock.call('ip', 'route', 'show', 'dev', 'eth0'),
                mock.call('ip', 'addr', 'show', 'dev', 'eth0', 'scope',
                          'global'),
                ]
            }
        with test.nested(
            mock.patch.object(linux_net, 'device_exists', return_value=True),
            mock.patch.object(linux_net, '_execute', return_value=('', '')),
            mock.patch.object(netifaces, 'ifaddresses')
        ) as (device_exists, _execute, ifaddresses):
            ifaddresses.return_value = fake_ifaces
            driver = linux_net.LinuxBridgeInterfaceDriver()
            driver.ensure_bridge('bridge', 'eth0')
            device_exists.assert_has_calls(calls['device_exists'])
            _execute.assert_has_calls(calls['_execute'])
            ifaddresses.assert_called_once_with('eth0')