_auth_test.py

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# Copyright 2016 gRPC authors.
#
# 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.
"""Tests of standard AuthMetadataPlugins."""
 
import collections
import logging
import threading
import unittest
 
from grpc import _auth
 
 
class MockGoogleCreds(object):
 
    def get_access_token(self):
        token = collections.namedtuple('MockAccessTokenInfo',
                                       ('access_token', 'expires_in'))
        token.access_token = 'token'
        return token
 
 
class MockExceptionGoogleCreds(object):
 
    def get_access_token(self):
        raise Exception()
 
 
class GoogleCallCredentialsTest(unittest.TestCase):
 
    def test_google_call_credentials_success(self):
        callback_event = threading.Event()
 
        def mock_callback(metadata, error):
            self.assertEqual(metadata, (('authorization', 'Bearer token'),))
            self.assertIsNone(error)
            callback_event.set()
 
        call_creds = _auth.GoogleCallCredentials(MockGoogleCreds())
        call_creds(None, mock_callback)
        self.assertTrue(callback_event.wait(1.0))
 
    def test_google_call_credentials_error(self):
        callback_event = threading.Event()
 
        def mock_callback(metadata, error):
            self.assertIsNotNone(error)
            callback_event.set()
 
        call_creds = _auth.GoogleCallCredentials(MockExceptionGoogleCreds())
        call_creds(None, mock_callback)
        self.assertTrue(callback_event.wait(1.0))
 
 
class AccessTokenAuthMetadataPluginTest(unittest.TestCase):
 
    def test_google_call_credentials_success(self):
        callback_event = threading.Event()
 
        def mock_callback(metadata, error):
            self.assertEqual(metadata, (('authorization', 'Bearer token'),))
            self.assertIsNone(error)
            callback_event.set()
 
        metadata_plugin = _auth.AccessTokenAuthMetadataPlugin('token')
        metadata_plugin(None, mock_callback)
        self.assertTrue(callback_event.wait(1.0))
 
 
if __name__ == '__main__':
    logging.basicConfig()
    unittest.main(verbosity=2)