#    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 nova.api.openstack.compute import quota_classes
from nova.policies import quota_class_sets as policies
from nova.tests import fixtures as nova_fixtures
from nova.tests.unit.api.openstack import fakes
from nova.tests.unit.policies import base


class QuotaClassSetsPolicyTest(base.BasePolicyTest):
    """Test Quota Class Set APIs policies with all possible context.
    This class defines the set of context with different roles
    which are allowed and not allowed to pass the policy checks.
    With those set of context, it will call the API operation and
    verify the expected behaviour.
    """

    def setUp(self):
        super(QuotaClassSetsPolicyTest, self).setUp()
        self.controller = quota_classes.QuotaClassSetsController()
        self.req = fakes.HTTPRequest.blank('')

        self.useFixture(nova_fixtures.NoopQuotaDriverFixture())

        # With legacy rule and scope check disabled by default, system admin,
        # legacy admin, and project admin will be able to get, update quota
        # class.
        self.project_admin_authorized_contexts = [
            self.legacy_admin_context,
            self.project_admin_context]

    def test_update_quota_class_sets_policy(self):
        rule_name = policies.POLICY_ROOT % 'update'
        body = {
            'quota_class_set': {
                'cores': 20,
                'fixed_ips': -1,
                'floating_ips': -1,
                'injected_files': 5,
                'instances': 10,
                'metadata_items': 128,
                'ram': 51200,
            }
        }
        self.common_policy_auth(self.project_admin_authorized_contexts,
                                rule_name,
                                self.controller.update,
                                self.req, 'default',
                                body=body)

    def test_show_quota_class_sets_policy(self):
        rule_name = policies.POLICY_ROOT % 'show'
        self.common_policy_auth(self.project_admin_authorized_contexts,
                                rule_name,
                                self.controller.show,
                                self.req, 'default')


class QuotaClassSetsNoLegacyPolicyTest(QuotaClassSetsPolicyTest):
    """Test QuotaClassSets APIs policies with no legacy deprecated rules
    which means new defaults only. In this case, legacy admin and project
    admin will be able to get update quota class.

    """
    without_deprecated_rules = True
