# (c) 2016 Red Hat Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type

from units.compat.mock import patch
from ansible.modules.network.nxos import _nxos_interface
from .nxos_module import TestNxosModule, load_fixture, set_module_args


class TestNxosInterfaceModule(TestNxosModule):

    module = _nxos_interface

    def setUp(self):
        super(TestNxosInterfaceModule, self).setUp()
        self.mock_run_commands = patch('ansible.modules.network.nxos._nxos_interface.run_commands')
        self.run_commands = self.mock_run_commands.start()

        self.mock_load_config = patch('ansible.modules.network.nxos._nxos_interface.load_config')
        self.load_config = self.mock_load_config.start()

    def tearDown(self):
        super(TestNxosInterfaceModule, self).tearDown()
        self.mock_run_commands.stop()
        self.mock_load_config.stop()

    def load_fixtures(self, commands=None, device=''):
        module_name = self.module.__name__.rsplit('.', 1)[1]

        def load_from_file(*args, **kwargs):
            module, commands = args
            output = list()

            for command in commands:
                if type(command) == dict:
                    command = command['command']
                filename = str(command).split(' | ')[0].replace(' ', '_').replace('/', '_')
                print(filename)
                output.append(load_fixture(module_name, filename))
            return output

        self.load_config.return_value = None
        self.run_commands.side_effect = load_from_file

    def test_nxos_interface_up(self):
        set_module_args(dict(interface='loopback0'))
        result = self.execute_module(changed=True)
        self.assertEqual(result['commands'], ['interface loopback0', 'no shutdown'])

    def test_nxos_interface_down(self):
        set_module_args(dict(interface='loopback0', admin_state='down'))
        result = self.execute_module(changed=True)
        self.assertEqual(result['commands'], ['interface loopback0', 'shutdown'])

    def test_nxos_interface_delete(self):
        set_module_args(dict(interface='loopback0', state='absent'))
        result = self.execute_module(changed=False)
        self.assertEqual(result['commands'], [])

    def test_nxos_interface_type(self):
        set_module_args(dict(interface_type='loopback', state='absent'))
        result = self.execute_module(changed=True)
        self.assertEqual(result['commands'], ['no interface loopback0'])

    def test_nxos_interface_mtu(self):
        set_module_args(dict(interface='Ethernet2/1', mode='layer2', mtu='1800'))
        result = self.execute_module(changed=True)
        self.assertEqual(result['commands'], ['interface Ethernet2/1', 'switchport', 'mtu 1800',
                                              'interface Ethernet2/1', 'no shutdown'])

    def test_nxos_interface_speed_idempotence(self):
        set_module_args(dict(interface='Ethernet2/1', speed='1000'))
        result = self.execute_module(changed=False)
        self.assertEqual(result['commands'], [])