80 lines
3.0 KiB
Python
80 lines
3.0 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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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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import weakref
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import mock
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from testtools import matchers
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from murano.dsl import exceptions
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from murano.dsl import murano_method
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from murano.dsl import murano_object
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from murano.dsl import murano_type
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from murano.dsl.principal_objects import garbage_collector
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from murano.tests.unit import base
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class TestGarbageCollector(base.MuranoTestCase):
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def setUp(self):
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super(TestGarbageCollector, self).setUp()
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self.subscriber = mock.MagicMock(spec=murano_object.MuranoObject)
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self.subscriber.real_this = self.subscriber
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mock_class = mock.MagicMock(spec=murano_type.MuranoClass)
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mock_method = mock.MagicMock(spec=murano_method.MuranoMethod)
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mock_method.name = "mockHandler"
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mock_class.methods = mock.PropertyMock(
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return_value={"mockHandler": mock_method})
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def find_single_method(name):
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if name != 'mockHandler':
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raise exceptions.NoMethodFound(name)
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mock_class.find_single_method = find_single_method
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self.subscriber.type = mock_class
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self.publisher = mock.MagicMock(spec=murano_object.MuranoObject)
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self.publisher.real_this = self.publisher
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def test_set_dd(self):
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self.publisher.destruction_dependencies = []
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garbage_collector.GarbageCollector.subscribe_destruction(
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self.publisher, self.subscriber, handler="mockHandler")
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dep = self.publisher.destruction_dependencies
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self.assertThat(dep, matchers.HasLength(1))
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dep = dep[0]
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self.assertEqual("mockHandler", dep["handler"])
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self.assertEqual(self.subscriber, dep["subscriber"]())
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def test_unset_dd(self):
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self.publisher.destruction_dependencies = [{
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"subscriber": weakref.ref(self.subscriber),
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"handler": "mockHandler"
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}]
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garbage_collector.GarbageCollector.unsubscribe_destruction(
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self.publisher, self.subscriber, handler="mockHandler")
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self.assertEqual(
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[], self.publisher.destruction_dependencies)
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def test_set_wrong_handler(self):
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self.assertRaises(
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exceptions.NoMethodFound,
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garbage_collector.GarbageCollector.subscribe_destruction,
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self.publisher, self.subscriber, handler="invalidHandler")
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self.assertRaises(
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exceptions.NoMethodFound,
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garbage_collector.GarbageCollector.unsubscribe_destruction,
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self.publisher, self.subscriber, handler="invalidHandler")
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