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# Copyright 2014 Google Inc. All 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.
"""Unit tests for oauth2client.contrib.gce."""
import datetime
import json
import httplib2
import mock
from six.moves import http_client
from tests.contrib.test_metadata import request_mock
import unittest2
from oauth2client import client
from oauth2client.contrib import gce
__author__ = 'jcgregorio@google.com (Joe Gregorio)'
SERVICE_ACCOUNT_INFO = {
'scopes': ['a', 'b'],
'email': 'a@example.com',
'aliases': ['default']
}
class AppAssertionCredentialsTests(unittest2.TestCase):
def test_constructor(self):
credentials = gce.AppAssertionCredentials()
self.assertIsNone(credentials.assertion_type, None)
self.assertIsNone(credentials.service_account_email)
self.assertIsNone(credentials.scopes)
self.assertTrue(credentials.invalid)
@mock.patch('warnings.warn')
def test_constructor_with_scopes(self, warn_mock):
scope = 'http://example.com/a http://example.com/b'
scopes = scope.split()
credentials = gce.AppAssertionCredentials(scopes=scopes)
self.assertEqual(credentials.scopes, None)
self.assertEqual(credentials.assertion_type, None)
warn_mock.assert_called_once_with(gce._SCOPES_WARNING)
def test_to_json(self):
credentials = gce.AppAssertionCredentials()
with self.assertRaises(NotImplementedError):
credentials.to_json()
def test_from_json(self):
with self.assertRaises(NotImplementedError):
gce.AppAssertionCredentials.from_json({})
@mock.patch('oauth2client.contrib._metadata.get_token',
side_effect=[('A', datetime.datetime.min),
('B', datetime.datetime.max)])
@mock.patch('oauth2client.contrib._metadata.get_service_account_info',
return_value=SERVICE_ACCOUNT_INFO)
def test_refresh_token(self, get_info, get_token):
http_request = mock.MagicMock()
http_mock = mock.MagicMock(request=http_request)
credentials = gce.AppAssertionCredentials()
credentials.invalid = False
credentials.service_account_email = 'a@example.com'
self.assertIsNone(credentials.access_token)
credentials.get_access_token(http=http_mock)
self.assertEqual(credentials.access_token, 'A')
self.assertTrue(credentials.access_token_expired)
get_token.assert_called_with(http_request,
service_account='a@example.com')
credentials.get_access_token(http=http_mock)
self.assertEqual(credentials.access_token, 'B')
self.assertFalse(credentials.access_token_expired)
get_token.assert_called_with(http_request,
service_account='a@example.com')
get_info.assert_not_called()
def test_refresh_token_failed_fetch(self):
http_request = request_mock(
http_client.NOT_FOUND,
'application/json',
json.dumps({'access_token': 'a', 'expires_in': 100})
)
credentials = gce.AppAssertionCredentials()
credentials.invalid = False
credentials.service_account_email = 'a@example.com'
with self.assertRaises(client.HttpAccessTokenRefreshError):
credentials._refresh(http_request)
def test_serialization_data(self):
credentials = gce.AppAssertionCredentials()
with self.assertRaises(NotImplementedError):
getattr(credentials, 'serialization_data')
def test_create_scoped_required(self):
credentials = gce.AppAssertionCredentials()
self.assertFalse(credentials.create_scoped_required())
def test_sign_blob_not_implemented(self):
credentials = gce.AppAssertionCredentials([])
with self.assertRaises(NotImplementedError):
credentials.sign_blob(b'blob')
@mock.patch('oauth2client.contrib._metadata.get_service_account_info',
return_value=SERVICE_ACCOUNT_INFO)
def test_retrieve_scopes(self, metadata):
http_request = mock.MagicMock()
http_mock = mock.MagicMock(request=http_request)
credentials = gce.AppAssertionCredentials()
self.assertTrue(credentials.invalid)
self.assertIsNone(credentials.scopes)
scopes = credentials.retrieve_scopes(http_mock)
self.assertEqual(scopes, SERVICE_ACCOUNT_INFO['scopes'])
self.assertFalse(credentials.invalid)
credentials.retrieve_scopes(http_mock)
# Assert scopes weren't refetched
metadata.assert_called_once_with(http_request,
service_account='default')
@mock.patch('oauth2client.contrib._metadata.get_service_account_info',
side_effect=httplib2.HttpLib2Error('No Such Email'))
def test_retrieve_scopes_bad_email(self, metadata):
http_request = mock.MagicMock()
http_mock = mock.MagicMock(request=http_request)
credentials = gce.AppAssertionCredentials(email='b@example.com')
with self.assertRaises(httplib2.HttpLib2Error):
credentials.retrieve_scopes(http_mock)
metadata.assert_called_once_with(http_request,
service_account='b@example.com')
def test_save_to_well_known_file(self):
import os
ORIGINAL_ISDIR = os.path.isdir
try:
os.path.isdir = lambda path: True
credentials = gce.AppAssertionCredentials()
with self.assertRaises(NotImplementedError):
client.save_to_well_known_file(credentials)
finally:
os.path.isdir = ORIGINAL_ISDIR
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