56 lines
2.4 KiB
Python
56 lines
2.4 KiB
Python
# 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 import objects
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from nova.scheduler.filters import disk_filter
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from nova import test
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from nova.tests.unit.scheduler import fakes
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class TestAggregateDiskFilter(test.NoDBTestCase):
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@mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
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def test_aggregate_disk_filter_value_error(self, agg_mock):
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filt_cls = disk_filter.AggregateDiskFilter()
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spec_obj = objects.RequestSpec(
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context=mock.sentinel.ctx,
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flavor=objects.Flavor(
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root_gb=1, ephemeral_gb=1, swap=1024))
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host = fakes.FakeHostState('host1', 'node1',
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{'free_disk_mb': 3 * 1024,
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'total_usable_disk_gb': 4,
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'disk_allocation_ratio': 1.0})
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agg_mock.return_value = set(['XXX'])
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self.assertTrue(filt_cls.host_passes(host, spec_obj))
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agg_mock.assert_called_once_with(host, 'disk_allocation_ratio')
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@mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
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def test_aggregate_disk_filter_default_value(self, agg_mock):
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filt_cls = disk_filter.AggregateDiskFilter()
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spec_obj = objects.RequestSpec(
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context=mock.sentinel.ctx,
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flavor=objects.Flavor(
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root_gb=2, ephemeral_gb=1, swap=1024))
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host = fakes.FakeHostState('host1', 'node1',
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{'free_disk_mb': 3 * 1024,
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'total_usable_disk_gb': 4,
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'disk_allocation_ratio': 1.0})
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# Uses global conf.
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agg_mock.return_value = set([])
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self.assertFalse(filt_cls.host_passes(host, spec_obj))
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agg_mock.assert_called_once_with(host, 'disk_allocation_ratio')
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agg_mock.return_value = set(['2'])
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self.assertTrue(filt_cls.host_passes(host, spec_obj))
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