# Copyright (c) 2016 Mirantis, Inc.
# 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 kuryr_kubernetes import clients
from kuryr_kubernetes.tests import base as test_base


class TestK8sClient(test_base.TestCase):

    @mock.patch('kuryr_kubernetes.config.CONF')
    @mock.patch('kuryr_kubernetes.k8s_client.K8sClient')
    @mock.patch('kuryr.lib.utils.get_neutron_client')
    def test_setup_clients_lbaasv2(self, m_neutron, m_k8s, m_cfg):
        k8s_api_root = 'http://127.0.0.1:1234'

        neutron_mock = mock.Mock()
        k8s_dummy = object()

        neutron_mock.list_extensions.return_value = {
            'extensions': [
                {'alias': 'lbaasv2',
                 'description': 'Provides Load Balancing',
                 'links': [],
                 'name': 'Load Balancing v2',
                 'updated': '2017-11-28T09:00:00-00:00'}]}

        m_cfg.kubernetes.api_root = k8s_api_root
        m_neutron.return_value = neutron_mock
        m_k8s.return_value = k8s_dummy

        clients.setup_clients()

        m_k8s.assert_called_with(k8s_api_root)
        self.assertIs(k8s_dummy, clients.get_kubernetes_client())
        self.assertIs(neutron_mock, clients.get_neutron_client())
        self.assertIs(neutron_mock, clients.get_loadbalancer_client())

    @mock.patch('neutronclient.client.construct_http_client')
    @mock.patch('kuryr.lib.utils.get_auth_plugin')
    @mock.patch('kuryr_kubernetes.config.CONF')
    @mock.patch('kuryr_kubernetes.k8s_client.K8sClient')
    @mock.patch('kuryr.lib.utils.get_neutron_client')
    def test_setup_clients_octavia(self, m_neutron, m_k8s, m_cfg,
                                   m_auth_plugin, m_construct_http_client):
        k8s_api_root = 'http://127.0.0.1:1234'

        neutron_mock = mock.Mock()
        k8s_dummy = object()

        neutron_mock.list_extensions.return_value = {
            'extensions': []}

        octavia_httpclient = mock.sentinel.octavia_httpclient
        m_construct_http_client.return_value = octavia_httpclient
        m_auth_plugin.return_value = mock.sentinel.auth_plugin
        m_cfg.kubernetes.api_root = k8s_api_root
        m_neutron.return_value = neutron_mock
        m_k8s.return_value = k8s_dummy

        clients.setup_clients()

        m_k8s.assert_called_with(k8s_api_root)
        self.assertIs(k8s_dummy, clients.get_kubernetes_client())
        self.assertIs(neutron_mock, clients.get_neutron_client())
        self.assertIs(octavia_httpclient,
                      clients.get_loadbalancer_client().httpclient)