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6f3b382a2d
* An automated rollback tool for Nomulus A tool that directs traffic between deployed versions. It handles the conversion between Nomulus tags and AppEngine versions, executes schema compatibility tests, ensures that steps are executed in the correct order, and updates deployment records appropriately.
133 lines
4.4 KiB
Python
133 lines
4.4 KiB
Python
# Copyright 2020 The Nomulus Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Unit tests for appengine."""
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from typing import Any, Dict, List, Tuple, Union
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import unittest
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from unittest import mock
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from unittest.mock import patch
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import appengine
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import common
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def setup_appengine_admin() -> Tuple[object, object]:
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"""Helper for setting up a mocked AppEngineAdmin instance.
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Returns:
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An AppEngineAdmin instance and a request with which API responses can
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be mocked.
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"""
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# Assign mocked API response to mock_request.execute.
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mock_request = mock.MagicMock()
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mock_request.uri.return_value = 'myuri'
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# Mocked resource shared by services, versions, and operations.
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resource = mock.MagicMock()
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resource.list.return_value = mock_request
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resource.get.return_value = mock_request
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resource.patch.return_value = mock_request
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# Root resource of AppEngine API. Exact type unknown.
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apps = mock.MagicMock()
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apps.services.return_value = resource
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resource.versions.return_value = resource
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apps.operations.return_value = resource
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service_lookup = mock.MagicMock()
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service_lookup.apps.return_value = apps
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appengine_admin = appengine.AppEngineAdmin('project', service_lookup, 1)
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return (appengine_admin, mock_request)
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class AppEngineTestCase(unittest.TestCase):
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"""Unit tests for appengine."""
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def setUp(self) -> None:
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self._client, self._mock_request = setup_appengine_admin()
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self.addCleanup(patch.stopall)
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# yapf: disable
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def _set_mocked_response(
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self,
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responses: Union[Dict[str, Any], List[Dict[str, Any]]]) -> None:
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# yapf: enable
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if isinstance(responses, list):
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self._mock_request.execute.side_effect = responses
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else:
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self._mock_request.execute.return_value = responses
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def test_checked_request_multipage_raises(self) -> None:
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self._set_mocked_response({'nextPageToken': ''})
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self.assertRaises(appengine.PagingError,
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self._client.get_serving_versions)
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def test_get_serving_versions(self) -> None:
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self._set_mocked_response({
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'services': [{
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'split': {
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'allocations': {
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'my_version': 3.14,
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}
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},
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'id': 'pubapi'
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}, {
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'split': {
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'allocations': {
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'another_version': 2.71,
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}
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},
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'id': 'error_dashboard'
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}]
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})
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self.assertEqual(
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self._client.get_serving_versions(),
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frozenset([common.VersionKey('pubapi', 'my_version')]))
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def test_get_version_configs(self):
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self._set_mocked_response({
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'versions': [{
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'basicScaling': {
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'maxInstances': 10
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},
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'id': 'version'
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}]
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})
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self.assertEqual(
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self._client.get_version_configs(
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frozenset([common.VersionKey('default', 'version')])),
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frozenset([
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common.VersionConfig('default', 'version',
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common.AppEngineScaling.BASIC)
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]))
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def test_async_update(self):
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self._set_mocked_response([
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{
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'name': 'project/operations/op_id',
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'done': False
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},
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{
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'name': 'project/operations/op_id',
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'done': False
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},
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{
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'name': 'project/operations/op_id',
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'response': {},
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'done': True
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},
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])
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self._client.set_manual_scaling_num_instance('service', 'version', 1)
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self.assertEqual(self._mock_request.execute.call_count, 3)
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if __name__ == '__main__':
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unittest.main()
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