51 lines
2.1 KiB
Python
51 lines
2.1 KiB
Python
# Copyright (c) 2014 Cisco Systems, Inc.
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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 nova.scheduler.solvers.constraints import isolated_hosts_constraint
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from nova import test
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from nova.tests.scheduler import solver_scheduler_fakes as fakes
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class TestIsolatedHostsConstraint(test.NoDBTestCase):
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def setUp(self):
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super(TestIsolatedHostsConstraint, self).setUp()
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self.constraint_cls = isolated_hosts_constraint.\
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IsolatedHostsConstraint
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self._generate_fake_constraint_input()
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def _generate_fake_constraint_input(self):
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self.fake_filter_properties = {
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'instance_uuids': ['fake_uuid_%s' % x for x in range(3)],
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'num_instances': 3}
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host1 = fakes.FakeSolverSchedulerHostState('host1', 'node1', {})
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host2 = fakes.FakeSolverSchedulerHostState('host2', 'node1', {})
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self.fake_hosts = [host1, host2]
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@mock.patch('nova.scheduler.solvers.constraints.'
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'isolated_hosts_constraint.IsolatedHostsConstraint.'
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'host_filter_cls')
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def test_get_constraint_matrix(self, mock_filter_cls):
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expected_cons_mat = [
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[True, True, True],
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[False, False, False]]
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mock_filter = mock_filter_cls.return_value
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mock_filter.host_passes.side_effect = [True, False]
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cons_mat = self.constraint_cls().get_constraint_matrix(
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self.fake_hosts, self.fake_filter_properties)
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self.assertEqual(expected_cons_mat, cons_mat)
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