46 lines
1.8 KiB
Python
46 lines
1.8 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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from heat.engine import template_files
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from heat.tests import common
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from heat.tests import utils
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template_files_1 = {'template file 1': 'Contents of template 1',
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'template file 2': 'More template contents'}
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class TestTemplateFiles(common.HeatTestCase):
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def test_cache_miss(self):
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ctx = utils.dummy_context()
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tf1 = template_files.TemplateFiles(template_files_1)
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tf1.store(ctx)
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# As this is the only reference to the value in _d, deleting
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# t1.files will cause the value to get removed from _d (due to
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# it being a WeakValueDictionary.
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del tf1.files
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self.assertNotIn(tf1.files_id, template_files._d)
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# this will cause the cache refresh
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self.assertEqual(template_files_1['template file 1'],
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tf1['template file 1'])
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self.assertEqual(template_files_1, template_files._d[tf1.files_id])
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def test_d_weakref_behaviour(self):
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ctx = utils.dummy_context()
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tf1 = template_files.TemplateFiles(template_files_1)
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tf1.store(ctx)
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tf2 = template_files.TemplateFiles(tf1)
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del tf1.files
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self.assertIn(tf2.files_id, template_files._d)
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del tf2.files
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self.assertNotIn(tf2.files_id, template_files._d)
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