def test_create_port(self):
        """Test brocade specific port db."""

        net_id = str(uuid.uuid4())
        port_id = str(uuid.uuid4())
        # port_id is truncated: since the linux-bridge tap device names are
        # based on truncated port id, this enables port lookups using
        # tap devices
        port_id = port_id[0:11]
        tenant_id = str(uuid.uuid4())
        admin_state_up = True

        # Create Port

        # To create a port a network must exists, Create a network
        self.context = context.get_admin_context()
        brocade_db.create_network(self.context, net_id, TEST_VLAN)

        physical_interface = "em1"
        brocade_db.create_port(self.context, port_id, net_id,
                               physical_interface,
                               TEST_VLAN, tenant_id, admin_state_up)

        port = brocade_db.get_port(self.context, port_id)
        self.assertEqual(port['port_id'], port_id)
        self.assertEqual(port['network_id'], net_id)
        self.assertEqual(port['physical_interface'], physical_interface)
        self.assertEqual(int(port['vlan_id']), TEST_VLAN)
        self.assertEqual(port['tenant_id'], tenant_id)
        self.assertEqual(port['admin_state_up'], admin_state_up)

        admin_state_up = True
        brocade_db.update_port_state(self.context, port_id, admin_state_up)
        port = brocade_db.get_port(self.context, port_id)
        self.assertEqual(port['admin_state_up'], admin_state_up)

        admin_state_up = False
        brocade_db.update_port_state(self.context, port_id, admin_state_up)
        port = brocade_db.get_port(self.context, port_id)
        self.assertEqual(port['admin_state_up'], admin_state_up)

        admin_state_up = True
        brocade_db.update_port_state(self.context, port_id, admin_state_up)
        port = brocade_db.get_port(self.context, port_id)
        self.assertEqual(port['admin_state_up'], admin_state_up)

        # Delete Port
        brocade_db.delete_port(self.context, port_id)
        self.assertFalse(brocade_db.get_ports(self.context))

    def get_device_details(self, rpc_context, **kwargs):
        """Agent requests device details."""

        agent_id = kwargs.get('agent_id')
        device = kwargs.get('device')
        LOG.debug("Device %(device)s details requested from %(agent_id)s", {
            'device': device,
            'agent_id': agent_id
        })
        port = brocade_db.get_port(rpc_context,
                                   device[len(n_const.TAP_DEVICE_PREFIX):])
        if port:
            entry = {
                'device': device,
                'vlan_id': port.vlan_id,
                'network_id': port.network_id,
                'port_id': port.port_id,
                'physical_network': port.physical_interface,
                'admin_state_up': port.admin_state_up
            }

        else:
            entry = {'device': device}
            LOG.debug("%s can not be found in database", device)
        return entry

    def delete_port(self, context, port_id):
        with context.session.begin(subtransactions=True):
            neutron_port = self.get_port(context, port_id)
            interface_mac = neutron_port['mac_address']
            # convert mac format: xx:xx:xx:xx:xx:xx -> xxxx.xxxx.xxxx
            mac = self.mac_reformat_62to34(interface_mac)

            brocade_port = brocade_db.get_port(context, port_id)
            vlan_id = brocade_port['vlan_id']

            switch = self._switch
            try:
                self._driver.dissociate_mac_from_network(
                    switch['address'], switch['username'], switch['password'],
                    vlan_id, mac)
            except Exception:
                LOG.exception(_LE("Brocade NOS driver error"))
                raise Exception(
                    _("Brocade plugin raised exception, check logs"))

            super(BrocadePluginV2, self).delete_port(context, port_id)
            brocade_db.delete_port(context, port_id)

 def _notify_port_updated(self, context, port):
     port_id = port['id']
     bport = brocade_db.get_port(context, port_id)
     self.notifier.port_update(context, port,
                               bport.physical_interface,
                               bport.vlan_id)