# Copyright 2011 OpenStack Foundation
# Copyright 2014 Rackspace Hosting
# 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 json
import mock
import testtools

from troveclient import base
from troveclient.v1 import configurations
from troveclient.v1 import management

"""
Unit tests for configurations.py
"""


class ConfigurationTest(testtools.TestCase):
    def setUp(self):
        super(ConfigurationTest, self).setUp()
        self.orig__init = configurations.Configuration.__init__
        configurations.Configuration.__init__ = mock.Mock(return_value=None)
        self.configuration = configurations.Configuration()

    def tearDown(self):
        super(ConfigurationTest, self).tearDown()
        configurations.Configuration.__init__ = self.orig__init

    def test___repr__(self):
        self.configuration.name = "config-1"
        self.assertEqual('<Configuration: config-1>',
                         self.configuration.__repr__())


class ConfigurationsTest(testtools.TestCase):
    def setUp(self):
        super(ConfigurationsTest, self).setUp()
        self.orig__init = configurations.Configurations.__init__
        configurations.Configurations.__init__ = mock.Mock(return_value=None)
        self.configurations = configurations.Configurations()
        self.configurations.api = mock.Mock()
        self.configurations.api.client = mock.Mock()

        self.orig_base_getid = base.getid
        base.getid = mock.Mock(return_value="configuration1")

    def tearDown(self):
        super(ConfigurationsTest, self).tearDown()
        configurations.Configurations.__init__ = self.orig__init
        base.getid = self.orig_base_getid

    def _get_mock_method(self):
        self._resp = mock.Mock()
        self._body = None
        self._url = None

        def side_effect_func(url, body=None):
            self._body = body
            self._url = url
            return (self._resp, body)

        return mock.Mock(side_effect=side_effect_func)

    def test_create(self):
        self.configurations.api.client.post = self._get_mock_method()
        self._resp.status_code = 200
        config = '{"test":12}'

        self.configurations.create('config1', config, 'test description')
        self.assertEqual('/configurations', self._url)
        expected = {
            'description': 'test description',
            'name': 'config1',
            'values': json.loads(config)
        }
        self.assertEqual({"configuration": expected}, self._body)

    def test_delete(self):
        self.configurations.api.client.delete = self._get_mock_method()
        self._resp.status_code = 200
        self.configurations.delete(27)
        self.assertEqual('/configurations/configuration1', self._url)
        self._resp.status_code = 500
        self.assertRaises(Exception, self.configurations.delete, 34)

    def test_list(self):
        page_mock = mock.Mock()
        self.configurations._paginated = page_mock
        limit = "test-limit"
        marker = "test-marker"
        self.configurations.list(limit, marker)
        page_mock.assert_called_with("/configurations", "configurations",
                                     limit, marker)

    def test_get(self):
        def side_effect_func(path, config):
            return path, config

        self.configurations._get = mock.Mock(side_effect=side_effect_func)
        self.assertEqual(('/configurations/configuration1', 'configuration'),
                         self.configurations.get(123))

    def test_instances(self):
        page_mock = mock.Mock()
        self.configurations._paginated = page_mock
        limit = "test-limit"
        marker = "test-marker"
        configuration = "configuration1"
        self.configurations.instances(configuration, limit, marker)
        page_mock.assert_called_with(
            "/configurations/" + configuration + "/instances",
            "instances", limit, marker)

    def test_update(self):
        self.configurations.api.client.put = self._get_mock_method()
        self._resp.status_code = 200
        config = '{"test":12}'
        self.configurations.update(27, config)
        self.assertEqual('/configurations/configuration1', self._url)
        self._resp.status_code = 500
        self.assertRaises(Exception, self.configurations.update, 34)

    def test_edit(self):
        self.configurations.api.client.patch = self._get_mock_method()
        self._resp.status_code = 200
        config = '{"test":12}'
        self.configurations.edit(27, config)
        self.assertEqual('/configurations/configuration1', self._url)
        self._resp.status_code = 500
        self.assertRaises(Exception, self.configurations.edit, 34)


class ConfigurationParametersTest(testtools.TestCase):
    def setUp(self):
        super(ConfigurationParametersTest, self).setUp()
        self.orig__init = configurations.ConfigurationParameters.__init__
        configurations.ConfigurationParameters.__init__ = mock.Mock(
            return_value=None)
        self.config_params = configurations.ConfigurationParameters()
        self.config_params.api = mock.Mock()
        self.config_params.api.client = mock.Mock()

    def tearDown(self):
        super(ConfigurationParametersTest, self).tearDown()
        configurations.ConfigurationParameters.__init__ = self.orig__init

    def test_list_parameters(self):
        def side_effect_func(path, config):
            return path

        self.config_params._list = mock.Mock(side_effect=side_effect_func)
        self.assertEqual('/datastores/datastore/versions/version/parameters',
                         self.config_params.parameters('datastore', 'version'))

    def test_get_parameter(self):
        def side_effect_func(path):
            return path

        self.config_params._get = mock.Mock(side_effect=side_effect_func)
        self.assertEqual(
            '/datastores/datastore/versions/version/parameters/key',
            self.config_params.get_parameter('datastore', 'version',
                                             'key')
        )

    def test_list_parameters_by_version(self):
        def side_effect_func(path, config):
            return path

        self.config_params._list = mock.Mock(side_effect=side_effect_func)
        self.assertEqual('/datastores/versions/version/parameters',
                         self.config_params.parameters_by_version('version'))

    def test_get_parameter_by_version(self):
        def side_effect_func(path):
            return path

        self.config_params._get = mock.Mock(side_effect=side_effect_func)
        self.assertEqual('/datastores/versions/version/parameters/key',
                         self.config_params.get_parameter_by_version(
                             'version', 'key'))


class MgmtConfigurationParametersTest(testtools.TestCase):

    def setUp(self):
        super(MgmtConfigurationParametersTest, self).setUp()
        self.orig__init = management.MgmtConfigurationParameters.__init__
        management.MgmtConfigurationParameters.__init__ = mock.Mock(
            return_value=None)
        self.config_params = management.MgmtConfigurationParameters()
        self.config_params.api = mock.Mock()
        self.config_params.api.client = mock.Mock()

    def tearDown(self):
        super(MgmtConfigurationParametersTest, self).tearDown()
        management.MgmtConfigurationParameters.__init__ = self.orig__init

    def _get_mock_method(self):
        self._resp = mock.Mock()
        self._body = None
        self._url = None

        def side_effect_func(url, body=None):
            self._body = body
            self._url = url
            return (self._resp, body)

        return mock.Mock(side_effect=side_effect_func)

    def test_create(self):
        self.config_params.api.client.post = self._get_mock_method()
        self._resp.status_code = 200

        self.config_params.create('id', 'config_name', 1, 'string')
        self.assertEqual('/mgmt/datastores/versions/id/parameters', self._url)
        expected = {
            "name": "config_name",
            "data_type": "string",
            "restart_required": 1
        }
        self.assertEqual({"configuration-parameter": expected}, self._body)

    def test_modify(self):
        self.config_params.api.client.put = self._get_mock_method()
        self._resp.status_code = 200

        self.config_params.modify('id', 'config_name', '1', 'string')
        self.assertEqual('/mgmt/datastores/versions/id/parameters/config_name',
                         self._url)
        expected = {
            "name": "config_name",
            "data_type": "string",
            "restart_required": 1
        }
        self.assertEqual({"configuration-parameter": expected}, self._body)

    def test_delete(self):
        self.config_params.api.client.delete = self._get_mock_method()
        self._resp.status_code = 200

        self.config_params.delete('id', 'param_id')
        self.assertEqual('/mgmt/datastores/versions/id/parameters/param_id',
                         self._url)
        self.assertIsNone(self._body)