# Copyright (c) 2016, Intel Corporation.
# All Rights Reserved.
#
#    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.

import mock
from mock import call

from osc_lib import exceptions

from openstackclient.network.v2 import network_qos_policy
from openstackclient.tests.unit.identity.v3 import fakes as identity_fakes_v3
from openstackclient.tests.unit.network.v2 import fakes as network_fakes
from openstackclient.tests.unit import utils as tests_utils


class TestQosPolicy(network_fakes.TestNetworkV2):

    def setUp(self):
        super(TestQosPolicy, self).setUp()
        # Get a shortcut to the network client
        self.network = self.app.client_manager.network
        # Get a shortcut to the ProjectManager Mock
        self.projects_mock = self.app.client_manager.identity.projects


class TestCreateNetworkQosPolicy(TestQosPolicy):

    project = identity_fakes_v3.FakeProject.create_one_project()

    # The new qos policy created.
    new_qos_policy = (
        network_fakes.FakeNetworkQosPolicy.create_one_qos_policy(
            attrs={
                'tenant_id': project.id,
            }
        ))
    columns = (
        'description',
        'id',
        'name',
        'project_id',
        'rules',
        'shared',
    )

    data = (
        new_qos_policy.description,
        new_qos_policy.id,
        new_qos_policy.name,
        new_qos_policy.project_id,
        new_qos_policy.rules,
        new_qos_policy.shared,
    )

    def setUp(self):
        super(TestCreateNetworkQosPolicy, self).setUp()
        self.network.create_qos_policy = mock.Mock(
            return_value=self.new_qos_policy)

        # Get the command object to test
        self.cmd = network_qos_policy.CreateNetworkQosPolicy(
            self.app, self.namespace)

        self.projects_mock.get.return_value = self.project

    def test_create_no_options(self):
        arglist = []
        verifylist = []

        # Missing required args should bail here
        self.assertRaises(tests_utils.ParserException, self.check_parser,
                          self.cmd, arglist, verifylist)

    def test_create_default_options(self):
        arglist = [
            self.new_qos_policy.name,
        ]
        verifylist = [
            ('project', None),
            ('name', self.new_qos_policy.name),
        ]

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
        columns, data = (self.cmd.take_action(parsed_args))

        self.network.create_qos_policy.assert_called_once_with(**{
            'name': self.new_qos_policy.name
        })
        self.assertEqual(self.columns, columns)
        self.assertEqual(self.data, data)

    def test_create_all_options(self):
        arglist = [
            '--share',
            '--project', self.project.name,
            self.new_qos_policy.name,
            '--description', 'QoS policy description',
        ]
        verifylist = [
            ('share', True),
            ('project', self.project.name),
            ('name', self.new_qos_policy.name),
            ('description', 'QoS policy description'),
        ]

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
        columns, data = self.cmd.take_action(parsed_args)

        self.network.create_qos_policy.assert_called_once_with(**{
            'shared': True,
            'tenant_id': self.project.id,
            'name': self.new_qos_policy.name,
            'description': 'QoS policy description',
        })
        self.assertEqual(self.columns, columns)
        self.assertEqual(self.data, data)


class TestDeleteNetworkQosPolicy(TestQosPolicy):

    # The address scope to delete.
    _qos_policies = (
        network_fakes.FakeNetworkQosPolicy.create_qos_policies(count=2))

    def setUp(self):
        super(TestDeleteNetworkQosPolicy, self).setUp()
        self.network.delete_qos_policy = mock.Mock(return_value=None)
        self.network.find_qos_policy = (
            network_fakes.FakeNetworkQosPolicy.get_qos_policies(
                qos_policies=self._qos_policies)
        )

        # Get the command object to test
        self.cmd = network_qos_policy.DeleteNetworkQosPolicy(
            self.app, self.namespace)

    def test_qos_policy_delete(self):
        arglist = [
            self._qos_policies[0].name,
        ]
        verifylist = [
            ('policy', [self._qos_policies[0].name]),
        ]

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        result = self.cmd.take_action(parsed_args)
        self.network.find_qos_policy.assert_called_once_with(
            self._qos_policies[0].name, ignore_missing=False)
        self.network.delete_qos_policy.assert_called_once_with(
            self._qos_policies[0])
        self.assertIsNone(result)

    def test_multi_qos_policies_delete(self):
        arglist = []

        for a in self._qos_policies:
            arglist.append(a.name)
        verifylist = [
            ('policy', arglist),
        ]
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        result = self.cmd.take_action(parsed_args)

        calls = []
        for a in self._qos_policies:
            calls.append(call(a))
        self.network.delete_qos_policy.assert_has_calls(calls)
        self.assertIsNone(result)

    def test_multi_qos_policies_delete_with_exception(self):
        arglist = [
            self._qos_policies[0].name,
            'unexist_qos_policy',
        ]
        verifylist = [
            ('policy',
             [self._qos_policies[0].name, 'unexist_qos_policy']),
        ]
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        find_mock_result = [self._qos_policies[0], exceptions.CommandError]
        self.network.find_qos_policy = (
            mock.MagicMock(side_effect=find_mock_result)
        )

        try:
            self.cmd.take_action(parsed_args)
            self.fail('CommandError should be raised.')
        except exceptions.CommandError as e:
            self.assertEqual('1 of 2 QoS policies failed to delete.', str(e))

        self.network.find_qos_policy.assert_any_call(
            self._qos_policies[0].name, ignore_missing=False)
        self.network.find_qos_policy.assert_any_call(
            'unexist_qos_policy', ignore_missing=False)
        self.network.delete_qos_policy.assert_called_once_with(
            self._qos_policies[0]
        )


class TestListNetworkQosPolicy(TestQosPolicy):

    # The QoS policies to list up.
    qos_policies = (
        network_fakes.FakeNetworkQosPolicy.create_qos_policies(count=3))
    columns = (
        'ID',
        'Name',
        'Shared',
        'Project',
    )
    data = []
    for qos_policy in qos_policies:
        data.append((
            qos_policy.id,
            qos_policy.name,
            qos_policy.shared,
            qos_policy.project_id,
        ))

    def setUp(self):
        super(TestListNetworkQosPolicy, self).setUp()
        self.network.qos_policies = mock.Mock(return_value=self.qos_policies)

        # Get the command object to test
        self.cmd = network_qos_policy.ListNetworkQosPolicy(self.app,
                                                           self.namespace)

    def test_qos_policy_list(self):
        arglist = []
        verifylist = []

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
        columns, data = self.cmd.take_action(parsed_args)

        self.network.qos_policies.assert_called_once_with(**{})
        self.assertEqual(self.columns, columns)
        self.assertEqual(self.data, list(data))


class TestSetNetworkQosPolicy(TestQosPolicy):

    # The QoS policy to set.
    _qos_policy = network_fakes.FakeNetworkQosPolicy.create_one_qos_policy()

    def setUp(self):
        super(TestSetNetworkQosPolicy, self).setUp()
        self.network.update_qos_policy = mock.Mock(return_value=None)
        self.network.find_qos_policy = mock.Mock(
            return_value=self._qos_policy)

        # Get the command object to test
        self.cmd = network_qos_policy.SetNetworkQosPolicy(self.app,
                                                          self.namespace)

    def test_set_nothing(self):
        arglist = [self._qos_policy.name, ]
        verifylist = [
            ('policy', self._qos_policy.name),
        ]

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
        result = self.cmd.take_action(parsed_args)

        attrs = {}
        self.network.update_qos_policy.assert_called_with(
            self._qos_policy, **attrs)
        self.assertIsNone(result)

    def test_set_name_share_description(self):
        arglist = [
            '--name', 'new_qos_policy',
            '--share',
            '--description', 'QoS policy description',
            self._qos_policy.name,
        ]
        verifylist = [
            ('name', 'new_qos_policy'),
            ('share', True),
            ('description', 'QoS policy description'),
            ('policy', self._qos_policy.name),
        ]

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
        result = self.cmd.take_action(parsed_args)
        attrs = {
            'name': 'new_qos_policy',
            'description': 'QoS policy description',
            'shared': True,
        }
        self.network.update_qos_policy.assert_called_with(
            self._qos_policy, **attrs)
        self.assertIsNone(result)

    def test_set_no_share(self):
        arglist = [
            '--no-share',
            self._qos_policy.name,
        ]
        verifylist = [
            ('no_share', True),
            ('policy', self._qos_policy.name),
        ]

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
        result = self.cmd.take_action(parsed_args)
        attrs = {
            'shared': False
        }
        self.network.update_qos_policy.assert_called_with(
            self._qos_policy, **attrs)
        self.assertIsNone(result)


class TestShowNetworkQosPolicy(TestQosPolicy):

    # The QoS policy to show.
    _qos_policy = (
        network_fakes.FakeNetworkQosPolicy.create_one_qos_policy())
    columns = (
        'description',
        'id',
        'name',
        'project_id',
        'rules',
        'shared',
    )
    data = (
        _qos_policy.description,
        _qos_policy.id,
        _qos_policy.name,
        _qos_policy.project_id,
        _qos_policy.rules,
        _qos_policy.shared,
    )

    def setUp(self):
        super(TestShowNetworkQosPolicy, self).setUp()
        self.network.find_qos_policy = mock.Mock(return_value=self._qos_policy)

        # Get the command object to test
        self.cmd = network_qos_policy.ShowNetworkQosPolicy(self.app,
                                                           self.namespace)

    def test_show_no_options(self):
        arglist = []
        verifylist = []

        # Missing required args should bail here
        self.assertRaises(tests_utils.ParserException, self.check_parser,
                          self.cmd, arglist, verifylist)

    def test_show_all_options(self):
        arglist = [
            self._qos_policy.name,
        ]
        verifylist = [
            ('policy', self._qos_policy.name),
        ]

        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
        columns, data = self.cmd.take_action(parsed_args)

        self.network.find_qos_policy.assert_called_once_with(
            self._qos_policy.name, ignore_missing=False)
        self.assertEqual(self.columns, columns)
        self.assertEqual(list(self.data), list(data))
