83 lines
3.3 KiB
Python
83 lines
3.3 KiB
Python
# Copyright (c) 2012 Rackspace Hosting
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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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"""
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Tests For Cells Utility methods
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"""
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import inspect
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import random
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from nova.cells import utils as cells_utils
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from nova import db
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from nova import test
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class CellsUtilsTestCase(test.TestCase):
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"""Test case for Cells utility methods."""
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def test_get_instances_to_sync(self):
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fake_context = 'fake_context'
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call_info = {'get_all': 0, 'shuffle': 0}
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def random_shuffle(_list):
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call_info['shuffle'] += 1
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def instance_get_all_by_filters(context, filters,
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sort_key, sort_order):
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self.assertEqual(context, fake_context)
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self.assertEqual(sort_key, 'deleted')
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self.assertEqual(sort_order, 'asc')
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call_info['got_filters'] = filters
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call_info['get_all'] += 1
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return ['fake_instance1', 'fake_instance2', 'fake_instance3']
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self.stubs.Set(db, 'instance_get_all_by_filters',
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instance_get_all_by_filters)
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self.stubs.Set(random, 'shuffle', random_shuffle)
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instances = cells_utils.get_instances_to_sync(fake_context)
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self.assertTrue(inspect.isgenerator(instances))
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self.assertTrue(len([x for x in instances]), 3)
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self.assertEqual(call_info['get_all'], 1)
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self.assertEqual(call_info['got_filters'], {})
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self.assertEqual(call_info['shuffle'], 0)
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instances = cells_utils.get_instances_to_sync(fake_context,
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shuffle=True)
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self.assertTrue(inspect.isgenerator(instances))
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self.assertTrue(len([x for x in instances]), 3)
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self.assertEqual(call_info['get_all'], 2)
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self.assertEqual(call_info['got_filters'], {})
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self.assertEqual(call_info['shuffle'], 1)
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instances = cells_utils.get_instances_to_sync(fake_context,
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updated_since='fake-updated-since')
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self.assertTrue(inspect.isgenerator(instances))
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self.assertTrue(len([x for x in instances]), 3)
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self.assertEqual(call_info['get_all'], 3)
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self.assertEqual(call_info['got_filters'],
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{'changes-since': 'fake-updated-since'})
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self.assertEqual(call_info['shuffle'], 1)
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instances = cells_utils.get_instances_to_sync(fake_context,
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project_id='fake-project',
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updated_since='fake-updated-since', shuffle=True)
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self.assertTrue(inspect.isgenerator(instances))
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self.assertTrue(len([x for x in instances]), 3)
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self.assertEqual(call_info['get_all'], 4)
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self.assertEqual(call_info['got_filters'],
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{'changes-since': 'fake-updated-since',
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'project_id': 'fake-project'})
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self.assertEqual(call_info['shuffle'], 2)
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