python-heatclient/heatclient/tests/unit/test_template_format.py

63 lines
1.9 KiB
Python

# 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.
from unittest import mock
import testscenarios
import testtools
import yaml
from heatclient.common import template_format
load_tests = testscenarios.load_tests_apply_scenarios
class YamlParseExceptions(testtools.TestCase):
scenarios = [
('scanner', dict(raised_exception=yaml.scanner.ScannerError())),
('parser', dict(raised_exception=yaml.parser.ParserError())),
('reader',
dict(raised_exception=yaml.reader.ReaderError('', '', '', '', ''))),
]
def test_parse_to_value_exception(self):
text = 'not important'
with mock.patch.object(yaml, 'load') as yaml_loader:
yaml_loader.side_effect = self.raised_exception
self.assertRaises(ValueError,
template_format.parse, text)
def test_parse_no_version_format(self):
yaml = ''
self.assertRaises(ValueError, template_format.parse, yaml)
yaml2 = '''Parameters: {}
Mappings: {}
Resources: {}
Outputs: {}
'''
self.assertRaises(ValueError, template_format.parse, yaml2)
class DetailedYAMLParseExceptions(testtools.TestCase):
def test_parse_to_value_exception(self):
yaml = """not important
but very:
- incorrect
"""
ex = self.assertRaises(ValueError, template_format.parse, yaml)
self.assertIn('but very:\n ^', str(ex))