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 delete_network(self, context, net_id):
        """Delete network.

        This call to delete the network translates to removing the
        port-profile on the physical switch.
        """

        with context.session.begin(subtransactions=True):
            self._process_l3_delete(context, net_id)
            result = super(BrocadePluginV2, self).delete_network(context,
                                                                 net_id)
            # we must delete all ports in db first (foreign key constraint)
            # there is no need to delete port in the driver (its a no-op)
            # (actually: note there is no such call to the driver)
            bports = brocade_db.get_ports(context, net_id)
            for bport in bports:
                brocade_db.delete_port(context, bport['port_id'])

            # find the vlan for this network
            net = brocade_db.get_network(context, net_id)
            vlan_id = net['vlan']

            # Tell hw to do remove PP
            switch = self._switch
            try:
                self._driver.delete_network(switch['address'],
                                            switch['username'],
                                            switch['password'],
                                            vlan_id)
            except Exception:
                # Proper formatting
                LOG.exception(_LE("Brocade NOS driver error"))
                raise Exception(_("Brocade plugin raised exception, "
                                  "check logs"))

            # now ok to delete the network
            brocade_db.delete_network(context, net_id)

        # relinquish vlan in bitmap
        self._vlan_bitmap.release_vlan(int(vlan_id))
        return result

    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 delete_port(self, context, port_id):
     with context.session.begin(subtransactions=True):
         super(BrocadePluginV2, self).delete_port(context, port_id)
         brocade_db.delete_port(context, port_id)