58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
#
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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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"""
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Tests For Scheduler build failure weights.
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"""
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from nova.scheduler import weights
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from nova.scheduler.weights import compute
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from nova import test
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from nova.tests.unit.scheduler import fakes
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class BuildFailureWeigherTestCase(test.NoDBTestCase):
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def setUp(self):
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super(BuildFailureWeigherTestCase, self).setUp()
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self.weight_handler = weights.HostWeightHandler()
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self.weighers = [compute.BuildFailureWeigher()]
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def _get_weighed_host(self, hosts):
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return self.weight_handler.get_weighed_objects(self.weighers,
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hosts, {})
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def _get_all_hosts(self):
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host_values = [
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('host1', 'node1', {'failed_builds': 0}),
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('host2', 'node2', {'failed_builds': 1}),
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('host3', 'node3', {'failed_builds': 10}),
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('host4', 'node4', {'failed_builds': 100})
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]
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return [fakes.FakeHostState(host, node, values)
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for host, node, values in host_values]
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def test_build_failure_weigher_disabled(self):
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self.flags(build_failure_weight_multiplier=0.0,
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group='filter_scheduler')
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hosts = self._get_all_hosts()
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weighed_hosts = self._get_weighed_host(hosts)
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self.assertTrue(all([wh.weight == 0.0
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for wh in weighed_hosts]))
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def test_build_failure_weigher_scaled(self):
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self.flags(build_failure_weight_multiplier=1000.0,
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group='filter_scheduler')
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hosts = self._get_all_hosts()
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weighed_hosts = self._get_weighed_host(hosts)
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self.assertEqual([0, -10, -100, -1000],
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[wh.weight for wh in weighed_hosts])
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