149 lines
5.6 KiB
Python
149 lines
5.6 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# @author: Sergio Cazzolato, Intel
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from neutron.common import exceptions
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from neutron import context
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from neutron.db import db_base_plugin_v2 as base_plugin
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from neutron.db import quota_db
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from neutron.tests.unit import testlib_api
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class FakePlugin(base_plugin.NeutronDbPluginV2, quota_db.DbQuotaDriver):
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"""A fake plugin class containing all DB methods."""
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class TestResource(object):
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"""Describe a test resource for quota checking."""
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def __init__(self, name, default):
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self.name = name
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self.quota = default
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@property
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def default(self):
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return self.quota
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PROJECT = 'prj_test'
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RESOURCE = 'res_test'
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class TestDbQuotaDriver(testlib_api.SqlTestCase):
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def setUp(self):
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super(TestDbQuotaDriver, self).setUp()
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self.plugin = FakePlugin()
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self.context = context.get_admin_context()
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def test_create_quota_limit(self):
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defaults = {RESOURCE: TestResource(RESOURCE, 4)}
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 2)
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quotas = self.plugin.get_tenant_quotas(self.context, defaults, PROJECT)
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self.assertEqual(2, quotas[RESOURCE])
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def test_update_quota_limit(self):
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defaults = {RESOURCE: TestResource(RESOURCE, 4)}
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 2)
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 3)
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quotas = self.plugin.get_tenant_quotas(self.context, defaults, PROJECT)
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self.assertEqual(3, quotas[RESOURCE])
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def test_delete_tenant_quota_restores_default_limit(self):
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defaults = {RESOURCE: TestResource(RESOURCE, 4)}
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 2)
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self.plugin.delete_tenant_quota(self.context, PROJECT)
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quotas = self.plugin.get_tenant_quotas(self.context, defaults, PROJECT)
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self.assertEqual(4, quotas[RESOURCE])
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def test_get_all_quotas(self):
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project_1 = 'prj_test_1'
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project_2 = 'prj_test_2'
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resource_1 = 'res_test_1'
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resource_2 = 'res_test_2'
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resources = {resource_1: TestResource(resource_1, 3),
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resource_2: TestResource(resource_2, 5)}
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self.plugin.update_quota_limit(self.context, project_1, resource_1, 7)
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self.plugin.update_quota_limit(self.context, project_2, resource_2, 9)
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quotas = self.plugin.get_all_quotas(self.context, resources)
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# Expect two tenants' quotas
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self.assertEqual(2, len(quotas))
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# But not quotas for the same tenant twice
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self.assertNotEqual(quotas[0]['tenant_id'], quotas[1]['tenant_id'])
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# Check the expected limits. The quotas can be in any order.
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for quota in quotas:
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self.assertEqual(3, len(quota))
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project = quota['tenant_id']
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self.assertIn(project, (project_1, project_2))
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if project == project_1:
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expected_limit_r1 = 7
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expected_limit_r2 = 5
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if project == project_2:
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expected_limit_r1 = 3
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expected_limit_r2 = 9
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self.assertEqual(expected_limit_r1, quota[resource_1])
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self.assertEqual(expected_limit_r2, quota[resource_2])
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def test_limit_check(self):
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resources = {RESOURCE: TestResource(RESOURCE, 2)}
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values = {RESOURCE: 1}
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 2)
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self.plugin.limit_check(self.context, PROJECT, resources, values)
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def test_limit_check_over_quota(self):
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resources = {RESOURCE: TestResource(RESOURCE, 2)}
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values = {RESOURCE: 3}
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 2)
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self.assertRaises(exceptions.OverQuota, self.plugin.limit_check,
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context.get_admin_context(), PROJECT, resources,
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values)
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def test_limit_check_equals_to_quota(self):
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resources = {RESOURCE: TestResource(RESOURCE, 2)}
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values = {RESOURCE: 2}
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 2)
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self.plugin.limit_check(self.context, PROJECT, resources, values)
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def test_limit_check_value_lower_than_zero(self):
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resources = {RESOURCE: TestResource(RESOURCE, 2)}
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values = {RESOURCE: -1}
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self.plugin.update_quota_limit(self.context, PROJECT, RESOURCE, 2)
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self.assertRaises(exceptions.InvalidQuotaValue,
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self.plugin.limit_check, context.get_admin_context(),
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PROJECT, resources, values)
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def test_limit_check_wrong_values_size(self):
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resource_1 = 'res_test_1'
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resource_2 = 'res_test_2'
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resources = {resource_1: TestResource(resource_1, 2)}
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values = {resource_1: 1, resource_2: 1}
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self.plugin.update_quota_limit(self.context, PROJECT, resource_1, 2)
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self.assertRaises(exceptions.QuotaResourceUnknown,
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self.plugin.limit_check, context.get_admin_context(),
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PROJECT, resources, values)
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