#    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 six

from novaclient.tests.functional import base
from novaclient import utils


class TestHypervisors(base.ClientTestBase):

    COMPUTE_API_VERSION = "2.1"

    def _test_list(self, cpu_info_type, uuid_as_id=False):
        hypervisors = self.client.hypervisors.list()
        if not len(hypervisors):
            self.fail("No hypervisors detected.")
        for hypervisor in hypervisors:
            self.assertIsInstance(hypervisor.cpu_info, cpu_info_type)
            if uuid_as_id:
                # microversion >= 2.53 returns a uuid for the id
                self.assertFalse(utils.is_integer_like(hypervisor.id),
                                 'Expected hypervisor.id to be a UUID.')
                self.assertFalse(
                    utils.is_integer_like(hypervisor.service['id']),
                    'Expected hypervisor.service.id to be a UUID.')
            else:
                self.assertTrue(utils.is_integer_like(hypervisor.id),
                                'Expected hypervisor.id to be an integer.')
                self.assertTrue(
                    utils.is_integer_like(hypervisor.service['id']),
                    'Expected hypervisor.service.id to be an integer.')

    def test_list(self):
        self._test_list(six.text_type)
