# (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 unittest.mock import patch

from ansible_collections.cisco.nxos.plugins.modules import nxos_vrf

from .nxos_module import TestNxosModule, load_fixture, set_module_args


class TestNxosVrfModule(TestNxosModule):
    module = nxos_vrf

    def setUp(self):
        super(TestNxosVrfModule, self).setUp()

        self.mock_load_config = patch(
            "ansible_collections.cisco.nxos.plugins.modules.nxos_vrf.load_config",
        )
        self.load_config = self.mock_load_config.start()

        self.mock_run_commands = patch(
            "ansible_collections.cisco.nxos.plugins.modules.nxos_vrf.run_commands",
        )
        self.run_commands = self.mock_run_commands.start()

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

    def load_fixtures(self, commands=None, device=""):
        def load_from_file(*args, **kwargs):
            module, commands = args
            output = list()

            for command in commands:
                if isinstance(command, dict):
                    command = command["command"]
                filename = str(command).split(" | ", 1)[0].replace(" ", "_")
                output.append(load_fixture("nxos_vrf", filename))
            return output

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

    def test_nxos_vrf_present(self):
        set_module_args(dict(vrf="ntc", state="present", admin_state="up"))
        self.execute_module(changed=True, commands=["vrf context ntc", "no shutdown", "exit"])

    def test_nxos_vrf_present_no_change(self):
        set_module_args(dict(vrf="management", state="present", admin_state="up"))
        self.execute_module(changed=False, commands=[])

    def test_nxos_vrf_absent(self):
        set_module_args(dict(vrf="management", state="absent"))
        self.execute_module(changed=True, commands=["no vrf context management"])

    def test_nxos_vrf_absent_no_change(self):
        set_module_args(dict(vrf="ntc", state="absent"))
        self.execute_module(changed=False, commands=[])

    def test_nxos_vrf_default(self):
        set_module_args(dict(vrf="default"))
        result = self.execute_module(failed=True)
        self.assertEqual(result["msg"], "cannot use default as name of a VRF")
