~ubuntu-branches/ubuntu/quantal/glance/quantal

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# Copyright 2012 OpenStack, LLC
# 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 os.path

import glance.api.policy
from glance.common import exception
import glance.context
from glance.tests import utils as test_utils
from glance.tests.unit import base


class TestPolicyEnforcer(base.IsolatedUnitTest):
    def test_policy_file_default_rules_default_location(self):
        enforcer = glance.api.policy.Enforcer()

        context = glance.context.RequestContext(roles=[])
        enforcer.enforce(context, 'get_image', {})

    def test_policy_file_custom_rules_default_location(self):
        rules = {"get_image": [["false:false"]]}
        self.set_policy_rules(rules)

        enforcer = glance.api.policy.Enforcer()

        context = glance.context.RequestContext(roles=[])
        self.assertRaises(exception.Forbidden,
                          enforcer.enforce, context, 'get_image', {})

    def test_policy_file_custom_location(self):
        self.config(policy_file=os.path.join(self.test_dir, 'gobble.gobble'))

        rules = {"get_image": [["false:false"]]}
        self.set_policy_rules(rules)

        enforcer = glance.api.policy.Enforcer()

        context = glance.context.RequestContext(roles=[])
        self.assertRaises(exception.Forbidden,
                          enforcer.enforce, context, 'get_image', {})


class TestPolicyEnforcerNoFile(test_utils.BaseTestCase):
    def test_policy_file_specified_but_not_found(self):
        """Missing defined policy file should result in a default ruleset"""
        self.config(policy_file='gobble.gobble')
        enforcer = glance.api.policy.Enforcer()

        context = glance.context.RequestContext(roles=[])
        enforcer.enforce(context, 'get_image', {})
        self.assertRaises(exception.Forbidden,
                          enforcer.enforce, context, 'manage_image_cache', {})

        admin_context = glance.context.RequestContext(roles=['admin'])
        enforcer.enforce(admin_context, 'manage_image_cache', {})

    def test_policy_file_default_not_found(self):
        """Missing default policy file should result in a default ruleset"""
        enforcer = glance.api.policy.Enforcer()

        context = glance.context.RequestContext(roles=[])
        enforcer.enforce(context, 'get_image', {})
        self.assertRaises(exception.Forbidden,
                          enforcer.enforce, context, 'manage_image_cache', {})

        admin_context = glance.context.RequestContext(roles=['admin'])
        enforcer.enforce(admin_context, 'manage_image_cache', {})