# Copyright (c) 2015 Telefonica I+D.

# 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 webob import exc

from murano.db.services import core_services
from murano.tests.unit import base
from murano.tests.unit.db.services import environment_templates as et


class TestCoreServices(base.MuranoTestCase):
    def setUp(self):
        super(TestCoreServices, self).setUp()
        self.core_services = core_services.CoreServices
        self.addCleanup(mock.patch.stopall)

    @mock.patch('murano.db.services.environment_templates.EnvTemplateServices')
    def test_empty_template(self, template_services_mock):
        """Check obtaining the template description without services."""
        fixture = self.useFixture(et.EmptyEnvironmentTemplateFixture())
        template_services_mock.get_description.return_value = \
            fixture.environment_template_desc
        template_des = self.core_services.get_template_data('any', '/services')
        self.assertEqual(template_des, [])
        template_services_mock.get_description.assert_is_called()
        template_services_mock.get_description.assert_called_with('any')

    @mock.patch('murano.db.services.environment_templates.EnvTemplateServices')
    def test_template_services(self, template_services_mock):
        """Check obtaining the template description with services."""
        fixture_apps = self.useFixture(et.ApplicationsFixture())
        fixture_env_apps = self.useFixture(et.AppEnvTemplateFixture())
        template_services_mock.get_description.return_value = \
            fixture_env_apps.env_template_desc
        template_des = self.core_services.get_template_data('any', '/services')
        self.assertEqual(template_des, fixture_apps.applications_desc)
        template_services_mock.get_description.assert_is_called()
        template_services_mock.get_description.assert_called_with('any')

    @mock.patch('murano.db.services.environment_templates.EnvTemplateServices')
    def test_template_get_service(self, template_services_mock):
        """Check obtaining the service description."""
        fixture = self.useFixture(et.AppEnvTemplateFixture())
        fixture2 = self.useFixture(et.ApplicationTomcatFixture())
        template_services_mock.get_description.return_value = \
            fixture.env_template_desc
        template_des = \
            self.core_services.get_template_data('any',
                                                 '/services/tomcat_id')
        self.assertEqual(template_des, fixture2.application_tomcat_desc)
        template_services_mock.get_description.assert_is_called()
        template_services_mock.get_description.assert_called_with('any')

    @mock.patch('murano.db.services.environment_templates.EnvTemplateServices')
    def test_template_post_services(self, template_services_mock):
        """Check adding a service to a template."""
        fixture = self.useFixture(et.EmptyEnvironmentTemplateFixture())
        fixture2 = self.useFixture(et.AppEnvTemplateFixture())
        template_services_mock.get_description.return_value = \
            fixture.environment_template_desc
        template_des = self.core_services.\
            post_env_template_data('any',
                                   fixture2.env_template_desc,
                                   '/services')
        self.assertEqual(template_des, fixture2.env_template_desc)
        template_services_mock.get_description.assert_is_called()
        template_services_mock.\
            get_description.assert_called_with('any')

    @mock.patch('murano.db.services.environment_templates.EnvTemplateServices')
    def test_template_delete_services(self, template_services_mock):
        """Check deleting a service in a template."""
        fixture2 = self.useFixture(et.AppEnvTemplateFixture())
        fixture = self.useFixture(et.ApplicationTomcatFixture())
        template_services_mock.get_description.return_value = \
            fixture2.env_template_desc
        self.core_services.\
            delete_env_template_data('any',
                                     '/services/54aaa43d-5970')
        template_des = self.core_services.get_template_data('any', '/services')
        self.assertEqual(template_des, [fixture.application_tomcat_desc])
        template_services_mock.get_description.assert_is_called()
        template_services_mock.\
            get_description.assert_called_with('any')

    @mock.patch('murano.db.services.environment_templates.EnvTemplateServices')
    def test_get_template_no_exists(self, template_services_mock):
        """Check obtaining a non-existing service."""
        fixture2 = self.useFixture(et.AppEnvTemplateFixture())

        template_services_mock.get_description.return_value = \
            fixture2.env_template_desc
        self.assertRaises(exc.HTTPNotFound,
                          self.core_services.get_template_data,
                          'any', '/services/noexists')
        template_services_mock.get_description.assert_is_called()
        template_services_mock.\
            get_description.assert_called_with('any')

    @mock.patch('murano.db.services.environment_templates.EnvTemplateServices')
    def test_adding_services(self, template_services_mock):
        """Check adding services to a template."""
        ftomcat = self.useFixture(et.ApplicationTomcatFixture())
        fmysql = self.useFixture(et.ApplicationMysqlFixture())
        fixture = self.useFixture(et.EmptyEnvironmentTemplateFixture())
        fservices = self.useFixture(et.ApplicationsFixture())
        template_services_mock.get_description.return_value =\
            fixture.environment_template_desc
        self.core_services.\
            post_env_template_data('any',
                                   ftomcat.application_tomcat_desc,
                                   '/services')
        self.core_services.\
            post_env_template_data('any',
                                   fmysql.application_mysql_desc,
                                   '/services')
        template_des = \
            self.core_services.get_template_data('any', '/services')
        self.assertEqual(template_des, fservices.applications_desc)
        template_services_mock.get_description.assert_is_called()
        template_services_mock.get_description.assert_called_with('any')
