# -*- coding: utf-8 -*-
'''
    :codeauthor: Jayesh Kariya <jayeshk@saltstack.com>
'''
# Import Python libs
from __future__ import absolute_import, unicode_literals, print_function
import os

# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import skipIf, TestCase
from tests.support.mock import (
    NO_MOCK,
    NO_MOCK_REASON,
    MagicMock,
    patch)

# Import Salt Libs
from salt.ext.six.moves import range
import salt.modules.rh_ip as rh_ip

# Import 3rd-party libs
import jinja2.exceptions
from salt.ext import six


@skipIf(NO_MOCK, NO_MOCK_REASON)
class RhipTestCase(TestCase, LoaderModuleMockMixin):
    '''
    Test cases for salt.modules.rh_ip
    '''
    def setup_loader_modules(self):
        return {rh_ip: {}}

    def test_build_bond(self):
        '''
        Test to create a bond script in /etc/modprobe.d with the passed
        settings and load the bonding kernel module.
        '''
        with patch.dict(rh_ip.__grains__, {'osrelease': 'osrelease'}):
            with patch.object(rh_ip, '_parse_settings_bond', MagicMock()):
                mock = jinja2.exceptions.TemplateNotFound('foo')
                with patch.object(jinja2.Environment, 'get_template',
                                  MagicMock(side_effect=mock)):
                    self.assertEqual(rh_ip.build_bond('iface'), '')

                with patch.dict(rh_ip.__salt__, {'kmod.load':
                                                 MagicMock(return_value=None)}):
                    with patch.object(rh_ip, '_write_file_iface',
                                      return_value=None):
                        with patch.object(rh_ip, '_read_temp', return_value='A'):
                            self.assertEqual(rh_ip.build_bond('iface', test='A'),
                                             'A')

                        with patch.object(rh_ip, '_read_file', return_value='A'):
                            self.assertEqual(rh_ip.build_bond('iface', test=None),
                                             'A')

    def test_build_interface(self):
        '''
        Test to build an interface script for a network interface.
        '''
        with patch.dict(rh_ip.__grains__, {'os': 'Fedora', 'osmajorrelease': 26}):
            with patch.object(rh_ip, '_raise_error_iface', return_value=None):
                self.assertRaises(AttributeError,
                                  rh_ip.build_interface,
                                  'iface', 'slave', True)

                with patch.dict(rh_ip.__salt__, {'network.interfaces': lambda: {'eth': True}}):
                    self.assertRaises(AttributeError,
                                      rh_ip.build_interface,
                                      'iface', 'eth', True, netmask='255.255.255.255', prefix=32,
                                      test=True)
                    self.assertRaises(AttributeError,
                                      rh_ip.build_interface,
                                      'iface', 'eth', True, ipaddrs=['A'],
                                      test=True)
                    self.assertRaises(AttributeError,
                                      rh_ip.build_interface,
                                      'iface', 'eth', True, ipv6addrs=['A'],
                                      test=True)

        for osrelease in range(5, 8):
            with patch.dict(rh_ip.__grains__, {'os': 'RedHat', 'osrelease': six.text_type(osrelease)}):
                with patch.object(rh_ip, '_raise_error_iface', return_value=None):
                    with patch.object(rh_ip, '_parse_settings_bond', MagicMock()):
                        mock = jinja2.exceptions.TemplateNotFound('foo')
                        with patch.object(jinja2.Environment,
                                          'get_template',
                                          MagicMock(side_effect=mock)):
                            self.assertEqual(rh_ip.build_interface('iface',
                                                                   'vlan',
                                                                   True), '')

                        with patch.object(rh_ip, '_read_temp', return_value='A'):
                            with patch.object(jinja2.Environment,
                                              'get_template', MagicMock()):
                                self.assertEqual(rh_ip.build_interface('iface',
                                                                       'vlan',
                                                                       True,
                                                                       test='A'),
                                                 'A')

                                with patch.object(rh_ip, '_write_file_iface',
                                                  return_value=None):
                                    with patch.object(os.path, 'join',
                                                      return_value='A'):
                                        with patch.object(rh_ip, '_read_file',
                                                          return_value='A'):
                                            self.assertEqual(rh_ip.build_interface
                                                             ('iface', 'vlan',
                                                              True), 'A')
                                            if osrelease > 6:
                                                with patch.dict(rh_ip.__salt__, {'network.interfaces': lambda: {'eth': True}}):
                                                    self.assertEqual(rh_ip.build_interface
                                                                     ('iface', 'eth', True,
                                                                      ipaddrs=['127.0.0.1/8']), 'A')
                                                    self.assertEqual(rh_ip.build_interface
                                                                     ('iface', 'eth', True,
                                                                      ipv6addrs=['fc00::1/128']), 'A')

    def test_build_routes(self):
        '''
        Test to build a route script for a network interface.
        '''
        with patch.dict(rh_ip.__grains__, {'osrelease': '5.0'}):
            with patch.object(rh_ip, '_parse_routes', MagicMock()):
                mock = jinja2.exceptions.TemplateNotFound('foo')
                with patch.object(jinja2.Environment,
                                  'get_template', MagicMock(side_effect=mock)):
                    self.assertEqual(rh_ip.build_routes('iface'), '')

                with patch.object(jinja2.Environment,
                                  'get_template', MagicMock()):
                    with patch.object(rh_ip, '_read_temp', return_value=['A']):
                        self.assertEqual(rh_ip.build_routes('i', test='t'), ['A', 'A'])

                    with patch.object(rh_ip, '_read_file', return_value=['A']):
                        with patch.object(os.path, 'join', return_value='A'):
                            with patch.object(rh_ip, '_write_file_iface',
                                              return_value=None):
                                self.assertEqual(rh_ip.build_routes('i',
                                                                    test=None),
                                                 ['A', 'A'])

    def test_down(self):
        '''
        Test to shutdown a network interface
        '''
        with patch.dict(rh_ip.__salt__, {'cmd.run':
                                         MagicMock(return_value='A')}):
            self.assertEqual(rh_ip.down('iface', 'iface_type'), 'A')

        self.assertEqual(rh_ip.down('iface', 'slave'), None)

    def test_get_bond(self):
        '''
        Test to return the content of a bond script
        '''
        with patch.object(os.path, 'join', return_value='A'):
            with patch.object(rh_ip, '_read_file', return_value='A'):
                self.assertEqual(rh_ip.get_bond('iface'), 'A')

    def test_get_interface(self):
        '''
        Test to return the contents of an interface script
        '''
        with patch.object(os.path, 'join', return_value='A'):
            with patch.object(rh_ip, '_read_file', return_value='A'):
                self.assertEqual(rh_ip.get_interface('iface'), 'A')

    def test_up(self):
        '''
        Test to start up a network interface
        '''
        with patch.dict(rh_ip.__salt__, {'cmd.run':
                                         MagicMock(return_value='A')}):
            self.assertEqual(rh_ip.up('iface', 'iface_type'), 'A')

        self.assertEqual(rh_ip.up('iface', 'slave'), None)

    def test_get_routes(self):
        '''
        Test to return the contents of the interface routes script.
        '''
        with patch.object(os.path, 'join', return_value='A'):
            with patch.object(rh_ip, '_read_file', return_value=['A']):
                self.assertEqual(rh_ip.get_routes('iface'), ['A', 'A'])

    def test_get_network_settings(self):
        '''
        Test to return the contents of the global network script.
        '''
        with patch.object(rh_ip, '_read_file', return_value='A'):
            self.assertEqual(rh_ip.get_network_settings(), 'A')

    def test_apply_network_settings(self):
        '''
        Test to apply global network configuration.
        '''
        with patch.dict(rh_ip.__salt__, {'service.restart':
                                         MagicMock(return_value=True)}):
            self.assertTrue(rh_ip.apply_network_settings())

    def test_build_network_settings(self):
        '''
        Test to build the global network script.
        '''
        with patch.object(rh_ip, '_parse_rh_config', MagicMock()):
            with patch.object(rh_ip, '_parse_network_settings', MagicMock()):

                mock = jinja2.exceptions.TemplateNotFound('foo')
                with patch.object(jinja2.Environment,
                                  'get_template', MagicMock(side_effect=mock)):
                    self.assertEqual(rh_ip.build_network_settings(), '')

                with patch.object(jinja2.Environment,
                                  'get_template', MagicMock()):
                    with patch.object(rh_ip, '_read_temp', return_value='A'):
                        self.assertEqual(rh_ip.build_network_settings
                                         (test='t'), 'A')

                        with patch.object(rh_ip, '_write_file_network',
                                          return_value=None):
                            with patch.object(rh_ip, '_read_file',
                                              return_value='A'):
                                self.assertEqual(rh_ip.build_network_settings
                                                 (test=None), 'A')