deckhand/deckhand/tests/unit/engine/test_secret_substitution.py

108 lines
4.1 KiB
Python

# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# 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.
import copy
import os
import testtools
import yaml
from oslo_serialization import jsonutils as json
import six
from deckhand.engine import secret_substitution
from deckhand import errors
class TestSecretSubtitution(testtools.TestCase):
def setUp(self):
super(TestSecretSubtitution, self).setUp()
dir_path = os.path.dirname(os.path.realpath(__file__))
test_yaml_path = os.path.abspath(os.path.join(
dir_path, os.pardir, 'resources', 'sample.yaml'))
with open(test_yaml_path, 'r') as yaml_file:
yaml_data = yaml_file.read()
self.data = yaml.safe_load(yaml_data)
def _corrupt_data(self, key):
corrupted_data = copy.deepcopy(self.data)
if '.' in key:
_corrupted_data = corrupted_data
nested_keys = key.split('.')
for nested_key in nested_keys:
if nested_key == nested_keys[-1]:
break
if nested_key.isdigit():
_corrupted_data = _corrupted_data[int(nested_key)]
else:
_corrupted_data = _corrupted_data[nested_key]
_corrupted_data.pop(nested_keys[-1])
else:
corrupted_data.pop(key)
return yaml.safe_dump(corrupted_data)
def _format_data(self, data=None):
if data is None:
data = self.data
return yaml.safe_dump(data)
def test_initialization(self):
sub = secret_substitution.SecretSubstitution(self._format_data())
self.assertIsInstance(sub, secret_substitution.SecretSubstitution)
def test_initialization_missing_sections(self):
expected_err = ("The provided YAML file is invalid. Exception: '%s' "
"is a required property.")
invalid_data = [
(self._corrupt_data('data'), 'data'),
(self._corrupt_data('metadata'), 'metadata'),
(self._corrupt_data('metadata.name'), 'name'),
(self._corrupt_data('metadata.storage'), 'storage'),
(self._corrupt_data('metadata.substitutions'), 'substitutions'),
(self._corrupt_data('metadata.substitutions.0.dest'), 'dest'),
(self._corrupt_data('metadata.substitutions.0.src'), 'src')
]
for invalid_entry, missing_key in invalid_data:
with six.assertRaisesRegex(self, errors.InvalidFormat,
expected_err % missing_key):
secret_substitution.SecretSubstitution(invalid_entry)
def test_initialization_bad_substitutions(self):
expected_err = ('The attribute "%s" included in the "dest" field "%s" '
'is missing from the YAML data')
invalid_data = []
data = copy.deepcopy(self.data)
data['metadata']['substitutions'][0]['dest'] = 'foo'
invalid_data.append(self._format_data(data))
data = copy.deepcopy(self.data)
data['metadata']['substitutions'][0]['dest'] = 'tls_endpoint.bar'
invalid_data.append(self._format_data(data))
def _test(invalid_entry, field, dest):
_expected_err = expected_err % (field, dest)
with six.assertRaisesRegex(self, errors.InvalidFormat,
_expected_err):
secret_substitution.SecretSubstitution(invalid_entry)
# Verify that invalid body dest reference is invalid.
_test(invalid_data[0], "foo", "foo")
# Verify that nested invalid body dest reference is invalid.
_test(invalid_data[1], "bar", "tls_endpoint.bar")