# Copyright 2016 Mirantis, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

from unittest import mock

from networking_generic_switch.devices.netmiko_devices import dell
from networking_generic_switch import exceptions as exc
from networking_generic_switch.tests.unit.netmiko import test_netmiko_base


class TestNetmikoDellNos(test_netmiko_base.NetmikoSwitchTestBase):

    def _make_switch_device(self, extra_cfg={}):
        device_cfg = {'device_type': 'netmiko_dell_force10'}
        device_cfg.update(extra_cfg)
        return dell.DellNos(device_cfg)

    def test_constants(self):
        self.assertIsNone(self.switch.SAVE_CONFIGURATION)

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device')
    def test_add_network(self, m_exec):
        self.switch.add_network(33, '0ae071f5-5be9-43e4-80ea-e41fefe85b21')
        m_exec.assert_called_with(
            ['interface vlan 33', 'name 0ae071f55be943e480eae41fefe85b21',
             'exit'])

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device')
    def test_add_network_with_trunk_ports(self, mock_exec):
        switch = self._make_switch_device({'ngs_trunk_ports': 'port1,port2'})
        switch.add_network(33, '0ae071f5-5be9-43e4-80ea-e41fefe85b21')
        mock_exec.assert_called_with(
            ['interface vlan 33', 'name 0ae071f55be943e480eae41fefe85b21',
             'exit',
             'interface vlan 33', 'tagged port1', 'exit',
             'interface vlan 33', 'tagged port2', 'exit'])

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device')
    def test_del_network(self, mock_exec):
        self.switch.del_network(33, '0ae071f5-5be9-43e4-80ea-e41fefe85b21')
        mock_exec.assert_called_with(['no interface vlan 33', 'exit'])

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device')
    def test_del_network_with_trunk_ports(self, mock_exec):
        switch = self._make_switch_device({'ngs_trunk_ports': 'port1,port2'})
        switch.del_network(33, '0ae071f55be943e480eae41fefe85b21')
        mock_exec.assert_called_with(
            ['interface vlan 33', 'no tagged port1', 'exit',
             'interface vlan 33', 'no tagged port2', 'exit',
             'no interface vlan 33', 'exit'])

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device')
    def test_plug_port_to_network(self, mock_exec):
        self.switch.plug_port_to_network(3333, 33)
        mock_exec.assert_called_with(
            ['interface vlan 33', 'untagged 3333', 'exit'])

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device')
    def test_delete_port(self, mock_exec):
        self.switch.delete_port(3333, 33)
        mock_exec.assert_called_with(
            ['interface vlan 33', 'no untagged 3333', 'exit'])

    def test__format_commands(self):
        cmd_set = self.switch._format_commands(
            dell.DellNos.ADD_NETWORK,
            segmentation_id=22,
            network_id=22,
            network_name='vlan-22')
        self.assertEqual(cmd_set,
                         ['interface vlan 22', 'name vlan-22', 'exit'])

        cmd_set = self.switch._format_commands(
            dell.DellNos.DELETE_NETWORK,
            segmentation_id=22)
        self.assertEqual(cmd_set, ['no interface vlan 22', 'exit'])

        cmd_set = self.switch._format_commands(
            dell.DellNos.PLUG_PORT_TO_NETWORK,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface vlan 33', 'untagged 3333', 'exit'])
        cmd_set = self.switch._format_commands(
            dell.DellNos.DELETE_PORT,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface vlan 33', 'no untagged 3333', 'exit'])

        cmd_set = self.switch._format_commands(
            dell.DellNos.ADD_NETWORK_TO_TRUNK,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface vlan 33', 'tagged 3333', 'exit'])
        cmd_set = self.switch._format_commands(
            dell.DellNos.REMOVE_NETWORK_FROM_TRUNK,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface vlan 33', 'no tagged 3333', 'exit'])


class TestNetmikoDellPowerConnect(test_netmiko_base.NetmikoSwitchTestBase):

    def _make_switch_device(self, extra_cfg={}):
        device_cfg = {'device_type': 'netmiko_dell_powerconnect'}
        device_cfg.update(extra_cfg)
        return dell.DellPowerConnect(device_cfg)

    def test_constants(self):
        self.assertIsNone(self.switch.SAVE_CONFIGURATION)

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_add_network(self, mock_check, mock_exec):
        self.switch.add_network(33, '0ae071f5-5be9-43e4-80ea-e41fefe85b21')
        mock_exec.assert_called_with(
            ['vlan database', 'vlan 33', 'exit'])
        mock_check.assert_called_once_with('fake output', 'add network')

    def test_invalid_switchmode(self):
        with self.assertRaises(exc.GenericSwitchConfigException):
            self._make_switch_device({'ngs_switchport_mode': 'BAD_PORT_MODE'})

    def test_switchmode_general(self):
        # should not raise an exception
        self._make_switch_device({'ngs_switchport_mode': 'GENERAL'})

    def test_switchmode_access(self):
        # should not raise an exception
        self._make_switch_device({'ngs_switchport_mode': 'access'})

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_add_network_with_trunk_ports(self, mock_check, mock_exec):
        switch = self._make_switch_device({'ngs_trunk_ports': 'port1,port2'})
        switch.add_network(33, '0ae071f5-5be9-43e4-80ea-e41fefe85b21')
        mock_exec.assert_called_with(
            ['vlan database', 'vlan 33', 'exit',
             'interface port1',
             'switchport general allowed vlan add 33 tagged',
             'exit',
             'interface port2',
             'switchport general allowed vlan add 33 tagged',
             'exit'])
        mock_check.assert_called_once_with('fake output', 'add network')

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_del_network(self, mock_check, mock_exec):
        self.switch.del_network(33, '0ae071f5-5be9-43e4-80ea-e41fefe85b21')
        mock_exec.assert_called_with(['vlan database', 'no vlan 33', 'exit'])
        mock_check.assert_called_once_with('fake output', 'delete network')

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_del_network_with_trunk_ports(self, mock_check, mock_exec):
        switch = self._make_switch_device({'ngs_trunk_ports': 'port1,port2'})
        switch.del_network(33, '0ae071f55be943e480eae41fefe85b21')
        mock_exec.assert_called_with(
            ['interface port1', 'switchport general allowed vlan remove 33',
             'exit',
             'interface port2', 'switchport general allowed vlan remove 33',
             'exit',
             'vlan database', 'no vlan 33', 'exit'])
        mock_check.assert_called_once_with('fake output', 'delete network')

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_plug_port_to_network(self, mock_check, mock_exec):
        self.switch.plug_port_to_network(3333, 33)
        mock_exec.assert_called_with(
            ['interface 3333', 'switchport access vlan 33', 'exit'])
        mock_check.assert_called_once_with('fake output',
                                           'plug port')

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_plug_port_to_network_general_mode(self, mock_check, mock_exec):
        switch = self._make_switch_device({'ngs_switchport_mode': 'GENERAL'})
        switch.plug_port_to_network(3333, 33)
        mock_exec.assert_called_with(
            ['interface 3333',
             'switchport general allowed vlan add 33 untagged',
             'switchport general pvid 33',
             'exit'])
        mock_check.assert_called_once_with('fake output',
                                           'plug port')

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_delete_port(self, mock_check, mock_exec):
        self.switch.delete_port(3333, 33)
        mock_exec.assert_called_with(
            ['interface 3333', 'switchport access vlan none', 'exit'])
        mock_check.assert_called_once_with('fake output', 'unplug port')

    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.send_commands_to_device',
                return_value='fake output')
    @mock.patch('networking_generic_switch.devices.netmiko_devices.'
                'NetmikoSwitch.check_output')
    def test_delete_port_general(self, mock_check, mock_exec):
        switch = self._make_switch_device({'ngs_switchport_mode': 'GENERAL'})
        switch.delete_port(3333, 33)
        mock_exec.assert_called_with(
            ['interface 3333',
             'switchport general allowed vlan remove 33',
             'no switchport general pvid',
             'exit'])
        mock_check.assert_called_once_with('fake output', 'unplug port')

    def test_check_output(self):
        self.switch.check_output('fake output', 'fake op')

    def _test_check_output_error(self, output):
        msg = ("Found invalid configuration in device response. Operation: "
               "fake op. Output: %s" % output)
        self.assertRaisesRegexp(exc.GenericSwitchNetmikoConfigError, msg,
                                self.switch.check_output, output, 'fake op')

    def test_check_output_incomplete_command(self):
        output = """
vlan database
vlan 33
exit
% Incomplete command
"""
        self._test_check_output_error(output)

    def test_check_output_vlan_not_recognised(self):
        output = """
vlan database
vlan 33
exit
VLAN was not created by user
"""
        self._test_check_output_error(output)

    def test_check_output_incomplete_db_locked(self):
        output = """
vlan database
vlan 33
exit
Configuration Database locked by another application - try later
"""
        self._test_check_output_error(output)

    def test__format_commands(self):
        cmd_set = self.switch._format_commands(
            dell.DellPowerConnect.ADD_NETWORK,
            segmentation_id=22,
            network_id=22)
        self.assertEqual(cmd_set, ['vlan database', 'vlan 22', 'exit'])

        cmd_set = self.switch._format_commands(
            dell.DellPowerConnect.DELETE_NETWORK,
            segmentation_id=22)
        self.assertEqual(cmd_set, ['vlan database', 'no vlan 22', 'exit'])

        cmd_set = self.switch._format_commands(
            dell.DellPowerConnect.PLUG_PORT_TO_NETWORK,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface 3333', 'switchport access vlan 33',
                          'exit'])
        cmd_set = self.switch._format_commands(
            dell.DellPowerConnect.DELETE_PORT,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface 3333', 'switchport access vlan none',
                          'exit'])

        cmd_set = self.switch._format_commands(
            dell.DellPowerConnect.ADD_NETWORK_TO_TRUNK,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface 3333',
                          'switchport general allowed vlan add 33 tagged',
                          'exit'])
        cmd_set = self.switch._format_commands(
            dell.DellPowerConnect.REMOVE_NETWORK_FROM_TRUNK,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface 3333',
                          'switchport general allowed vlan remove 33', 'exit'])

    def test__format_commands_general_mode(self):
        switch = self._make_switch_device({'ngs_switchport_mode': 'GENERAL'})
        cmd_set = switch._format_commands(
            dell.DellPowerConnect.PLUG_PORT_TO_NETWORK_GENERAL,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface 3333',
                          'switchport general allowed vlan add 33 untagged',
                          'switchport general pvid 33',
                          'exit'])
        cmd_set = switch._format_commands(
            dell.DellPowerConnect.DELETE_PORT_GENERAL,
            port=3333,
            segmentation_id=33)
        self.assertEqual(cmd_set,
                         ['interface 3333',
                          'switchport general allowed vlan remove 33',
                          'no switchport general pvid',
                          'exit'])
