80 lines
3.2 KiB
Python
80 lines
3.2 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.compute import instance_list
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from nova import objects
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from nova import test
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from nova.tests import fixtures
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from nova.tests import uuidsentinel as uuids
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class TestInstanceList(test.NoDBTestCase):
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def setUp(self):
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super(TestInstanceList, self).setUp()
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cells = [objects.CellMapping(uuid=getattr(uuids, 'cell%i' % i),
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name='cell%i' % i,
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transport_url='fake:///',
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database_connection='fake://')
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for i in range(0, 3)]
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insts = {}
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for cell in cells:
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insts[cell.uuid] = list([
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dict(
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uuid=getattr(uuids, '%s-inst%i' % (cell.name, i)),
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hostname='%s-inst%i' % (cell.name, i))
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for i in range(0, 3)])
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self.cells = cells
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self.insts = insts
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self.context = mock.sentinel.context
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self.useFixture(fixtures.SpawnIsSynchronousFixture())
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def test_compare_simple_instance_quirks(self):
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# Ensure uuid,asc is added
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ctx = instance_list.InstanceSortContext(['key0'], ['asc'])
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self.assertEqual(['key0', 'uuid'], ctx.sort_keys)
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self.assertEqual(['asc', 'asc'], ctx.sort_dirs)
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# Ensure defaults are added
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ctx = instance_list.InstanceSortContext(None, None)
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self.assertEqual(['created_at', 'id', 'uuid'], ctx.sort_keys)
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self.assertEqual(['desc', 'desc', 'asc'], ctx.sort_dirs)
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@mock.patch('nova.db.instance_get_all_by_filters_sort')
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@mock.patch('nova.objects.CellMappingList.get_all')
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def test_get_instances_sorted(self, mock_cells, mock_inst):
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mock_cells.return_value = self.cells
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insts_by_cell = self.insts.values()
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mock_inst.side_effect = insts_by_cell
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insts = instance_list.get_instances_sorted(self.context, {},
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None, None,
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[], ['hostname'], ['asc'])
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insts_one = [inst['hostname'] for inst in insts]
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# Reverse the order that we get things from the cells so we can
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# make sure that the result is still sorted the same way
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insts_by_cell = list(reversed(list(insts_by_cell)))
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mock_inst.reset_mock()
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mock_inst.side_effect = insts_by_cell
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insts = instance_list.get_instances_sorted(self.context, {},
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None, None,
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[], ['hostname'], ['asc'])
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insts_two = [inst['hostname'] for inst in insts]
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self.assertEqual(insts_one, insts_two)
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