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path: root/tests/unit/common/test_template_format.py
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#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

# yardstick: this file is copied from python-heatclient and slightly modified

from __future__ import absolute_import
import mock
import unittest
import yaml

from yardstick.common import template_format


class TemplateFormatTestCase(unittest.TestCase):

    def test_parse_to_value_exception(self):

        with mock.patch.object(yaml, 'load') as yaml_loader:
            yaml_loader.side_effect = yaml.scanner.ScannerError()
            self.assertRaises(ValueError, template_format.parse, 'FOOBAR')
            yaml_loader.side_effect = yaml.parser.ParserError()
            self.assertRaises(ValueError, template_format.parse, 'FOOBAR')
            yaml_loader.side_effect = \
                yaml.reader.ReaderError('', '', '', '', '')
            self.assertRaises(ValueError, template_format.parse, 'FOOBAR')

    def test_parse_no_version_format(self):

        yaml = ''
        self.assertRaises(ValueError, template_format.parse, yaml)
        yaml2 = "Parameters: {}\n" \
                "Mappings: {}\n" \
                "Resources: {}\n" \
                "Outputs: {}"
        self.assertRaises(ValueError, template_format.parse, yaml2)


def main():
    unittest.main()

if __name__ == '__main__':
    main()