df7e36c8c8
We have a number of functions that expect to get session as one of the arguments. Passing session is not correct and this prevents of using new enginefacade which expects context to be passed and session will be injected in current context. NeutronLibImpact Partially-Implements blueprint: enginefacade-switch Change-Id: I68ac442f11a6698bc43210fae877ba3809b1c02d
134 lines
5.8 KiB
Python
134 lines
5.8 KiB
Python
# Copyright (c) 2014 Thales Services SAS
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from oslo_db import exception as exc
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from sqlalchemy.orm import query
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from neutron import context
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from neutron.plugins.ml2.drivers import type_vlan
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from neutron.tests.unit import testlib_api
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TENANT_NET = 'phys_net2'
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VLAN_MIN = 200
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VLAN_MAX = 209
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VLAN_OUTSIDE = 100
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NETWORK_VLAN_RANGES = {
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TENANT_NET: [(VLAN_MIN, VLAN_MAX)],
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}
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class HelpersTest(testlib_api.SqlTestCase):
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def setUp(self):
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super(HelpersTest, self).setUp()
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self.driver = type_vlan.VlanTypeDriver()
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self.driver.network_vlan_ranges = NETWORK_VLAN_RANGES
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self.driver._sync_vlan_allocations()
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self.context = context.get_admin_context()
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def check_raw_segment(self, expected, observed):
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for key, value in expected.items():
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self.assertEqual(value, observed[key])
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def test_primary_keys(self):
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self.assertEqual(set(['physical_network', 'vlan_id']),
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self.driver.primary_keys)
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def test_allocate_specific_unallocated_segment_in_pools(self):
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expected = dict(physical_network=TENANT_NET, vlan_id=VLAN_MIN)
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observed = self.driver.allocate_fully_specified_segment(self.context,
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**expected)
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self.check_raw_segment(expected, observed)
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def test_allocate_specific_allocated_segment_in_pools(self):
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raw_segment = dict(physical_network=TENANT_NET, vlan_id=VLAN_MIN)
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self.driver.allocate_fully_specified_segment(self.context,
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**raw_segment)
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observed = self.driver.allocate_fully_specified_segment(self.context,
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**raw_segment)
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self.assertIsNone(observed)
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def test_allocate_specific_finally_allocated_segment_in_pools(self):
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# Test case: allocate a specific unallocated segment in pools but
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# the segment is allocated concurrently between select and update
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raw_segment = dict(physical_network=TENANT_NET, vlan_id=VLAN_MIN)
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with mock.patch.object(query.Query, 'update', return_value=0):
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observed = self.driver.allocate_fully_specified_segment(
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self.context, **raw_segment)
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self.assertIsNone(observed)
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def test_allocate_specific_unallocated_segment_outside_pools(self):
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expected = dict(physical_network=TENANT_NET, vlan_id=VLAN_OUTSIDE)
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observed = self.driver.allocate_fully_specified_segment(self.context,
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**expected)
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self.check_raw_segment(expected, observed)
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def test_allocate_specific_allocated_segment_outside_pools(self):
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raw_segment = dict(physical_network=TENANT_NET, vlan_id=VLAN_OUTSIDE)
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self.driver.allocate_fully_specified_segment(self.context,
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**raw_segment)
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observed = self.driver.allocate_fully_specified_segment(self.context,
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**raw_segment)
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self.assertIsNone(observed)
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def test_allocate_specific_finally_unallocated_segment_outside_pools(self):
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# Test case: allocate a specific allocated segment in pools but
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# the segment is concurrently unallocated after select or update
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expected = dict(physical_network=TENANT_NET, vlan_id=VLAN_MIN)
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with mock.patch.object(self.driver.model, 'save'):
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observed = self.driver.allocate_fully_specified_segment(
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self.context, **expected)
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self.check_raw_segment(expected, observed)
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def test_allocate_partial_segment_without_filters(self):
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expected = dict(physical_network=TENANT_NET)
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observed = self.driver.allocate_partially_specified_segment(
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self.context)
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self.check_raw_segment(expected, observed)
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def test_allocate_partial_segment_with_filter(self):
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expected = dict(physical_network=TENANT_NET)
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observed = self.driver.allocate_partially_specified_segment(
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self.context, **expected)
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self.check_raw_segment(expected, observed)
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def test_allocate_partial_segment_no_resource_available(self):
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for i in range(VLAN_MIN, VLAN_MAX + 1):
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self.driver.allocate_partially_specified_segment(self.context)
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observed = self.driver.allocate_partially_specified_segment(
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self.context)
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self.assertIsNone(observed)
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def test_allocate_partial_segment_outside_pools(self):
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raw_segment = dict(physical_network='other_phys_net')
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observed = self.driver.allocate_partially_specified_segment(
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self.context, **raw_segment)
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self.assertIsNone(observed)
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def test_allocate_partial_segment_first_attempt_fails(self):
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expected = dict(physical_network=TENANT_NET)
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with mock.patch.object(query.Query, 'update', side_effect=[0, 1]):
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self.assertRaises(
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exc.RetryRequest,
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self.driver.allocate_partially_specified_segment,
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self.context, **expected)
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observed = self.driver.allocate_partially_specified_segment(
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self.context, **expected)
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self.check_raw_segment(expected, observed)
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