72 lines
2.8 KiB
Python
72 lines
2.8 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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from nova import test
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from nova_solverscheduler.scheduler.solvers.constraints \
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import exact_disk_constraint
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from nova_solverscheduler.tests.scheduler import solver_scheduler_fakes \
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as fakes
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class TestExactDiskConstraint(test.NoDBTestCase):
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def setUp(self):
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super(TestExactDiskConstraint, self).setUp()
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self.constraint_cls = exact_disk_constraint.ExactDiskConstraint
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def _gen_fake_hosts(self):
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host1 = fakes.FakeSolverSchedulerHostState('host1', 'node1',
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{'free_disk_mb': 2560, 'total_usable_disk_gb': 4})
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host2 = fakes.FakeSolverSchedulerHostState('host2', 'node1',
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{'free_disk_mb': 10 * 1024, 'total_usable_disk_gb': 12})
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host3 = fakes.FakeSolverSchedulerHostState('host3', 'node1',
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{'free_disk_mb': 1 * 1024, 'total_usable_disk_gb': 6})
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hosts = [host1, host2, host3]
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return hosts
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def test_get_constraint_matrix(self):
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fake_hosts = self._gen_fake_hosts()
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fake_filter_properties = {
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'instance_type': {'root_gb': 1, 'ephemeral_gb': 1, 'swap': 512},
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'num_instances': 2}
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expected_cons_mat = [
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[True, False],
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[False, False],
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[False, False]]
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cons_mat = self.constraint_cls().get_constraint_matrix(
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fake_hosts, fake_filter_properties)
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self.assertEqual(expected_cons_mat, cons_mat)
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def test_get_constraint_matrix_bad_request_info(self):
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fake_hosts = self._gen_fake_hosts()
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expected_cons_mat = [
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[True, True],
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[True, True],
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[True, True]]
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fake_filter_properties = {
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'instance_type': {'root_gb': 0, 'ephemeral_gb': 0, 'swap': 0},
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'num_instances': 2}
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cons_mat = self.constraint_cls().get_constraint_matrix(
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fake_hosts, fake_filter_properties)
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self.assertEqual(expected_cons_mat, cons_mat)
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fake_filter_properties = {
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'instance_type': None,
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'num_instances': 2}
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cons_mat = self.constraint_cls().get_constraint_matrix(
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fake_hosts, fake_filter_properties)
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self.assertEqual(expected_cons_mat, cons_mat)
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