#    Copyright 2014 Mirantis, Inc.
#
#    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.
from oslo_serialization import jsonutils

from nailgun.api.v1.validators.release import ReleaseValidator
from nailgun import errors
from nailgun.test.base import BaseTestCase
from nailgun.utils import reverse


class TestReleaseValidator(BaseTestCase):

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

        self.release = {
            'name': 'Test Release',
            'version': '2014.2-6.0',
            'operating_system': 'CentOS'
        }
        self.validator = ReleaseValidator

    def get_release(self, release):
        return jsonutils.dumps(release)

    def test_name_is_mandatory(self):
        self.release.pop('name')

        self.assertRaisesRegexp(
            errors.InvalidData,
            'No release name specified',
            self.validator.validate,
            self.get_release(self.release))

    def test_version_is_mandatory(self):
        self.release.pop('version')

        self.assertRaisesRegexp(
            errors.InvalidData,
            'No release version specified',
            self.validator.validate,
            self.get_release(self.release))

    def test_operating_system_is_mandatory(self):
        self.release.pop('operating_system')

        self.assertRaisesRegexp(
            errors.InvalidData,
            'No release operating system specified',
            self.validator.validate,
            self.get_release(self.release))

    def test_default_are_good(self):
        self.validator.validate(self.get_release(self.release))

    def test_release_delete_role(self):
        cluster = self.env.create(
            nodes_kwargs=[{
                "roles": ['test_plugin_role_1'],
                "pending_roles": ['cinder', 'test_plugin_role_2'],
            }])

        resp = self.app.get(
            reverse('ReleaseHandler',
                    kwargs={'obj_id': cluster.release.id}),
            headers=self.default_headers
        )

        data = dict(resp.json_body)
        resp = self.app.put(
            reverse('ReleaseHandler',
                    kwargs={'obj_id': cluster.release.id}),
            params=jsonutils.dumps(data),
            headers=self.default_headers,
            expect_errors=False
        )

        data['roles_metadata'].pop('cinder')
        resp = self.app.put(
            reverse('ReleaseHandler',
                    kwargs={'obj_id': cluster.release.id}),
            params=jsonutils.dumps(data),
            headers=self.default_headers,
            expect_errors=True
        )

        self.assertEqual(resp.status_code, 400)
        self.assertIn(
            "The following roles: cinder cannot be deleted",
            resp.json_body["message"],
        )