80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
#
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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 mock
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import yaml
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from heat.common import environment_format
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from heat.tests import common
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class YamlEnvironmentTest(common.HeatTestCase):
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def test_minimal_yaml(self):
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yaml1 = ''
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yaml2 = '''
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parameters: {}
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resource_registry: {}
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'''
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tpl1 = environment_format.parse(yaml1)
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environment_format.default_for_missing(tpl1)
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tpl2 = environment_format.parse(yaml2)
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self.assertEqual(tpl1, tpl2)
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def test_wrong_sections(self):
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env = '''
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parameters: {}
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resource_regis: {}
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'''
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self.assertRaises(ValueError, environment_format.parse, env)
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def test_bad_yaml(self):
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env = '''
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parameters: }
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'''
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self.assertRaises(ValueError, environment_format.parse, env)
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def test_yaml_none(self):
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self.assertEqual({}, environment_format.parse(None))
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def test_parse_string_environment(self):
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env = 'just string'
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expect = 'The environment is not a valid YAML mapping data type.'
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msg = self.assertRaises(ValueError, environment_format.parse, env)
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self.assertIn(expect, msg)
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def test_parse_document(self):
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env = '["foo" , "bar"]'
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expect = 'The environment is not a valid YAML mapping data type.'
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msg = self.assertRaises(ValueError, environment_format.parse, env)
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self.assertIn(expect, msg)
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class YamlParseExceptions(common.HeatTestCase):
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scenarios = [
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('scanner', dict(raised_exception=yaml.scanner.ScannerError())),
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('parser', dict(raised_exception=yaml.parser.ParserError())),
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('reader',
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dict(raised_exception=yaml.reader.ReaderError('', '', '', '', ''))),
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]
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def test_parse_to_value_exception(self):
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text = 'not important'
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with mock.patch.object(yaml, 'load') as yaml_loader:
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yaml_loader.side_effect = self.raised_exception
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self.assertRaises(ValueError,
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environment_format.parse, text)
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