1# Copyright 2016 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""Tests of credentials.""" 15 16import unittest 17import logging 18import six 19 20import grpc 21 22 23class CredentialsTest(unittest.TestCase): 24 25 def test_call_credentials_composition(self): 26 first = grpc.access_token_call_credentials('abc') 27 second = grpc.access_token_call_credentials('def') 28 third = grpc.access_token_call_credentials('ghi') 29 30 first_and_second = grpc.composite_call_credentials(first, second) 31 first_second_and_third = grpc.composite_call_credentials( 32 first, second, third) 33 34 self.assertIsInstance(first_and_second, grpc.CallCredentials) 35 self.assertIsInstance(first_second_and_third, grpc.CallCredentials) 36 37 def test_channel_credentials_composition(self): 38 first_call_credentials = grpc.access_token_call_credentials('abc') 39 second_call_credentials = grpc.access_token_call_credentials('def') 40 third_call_credentials = grpc.access_token_call_credentials('ghi') 41 channel_credentials = grpc.ssl_channel_credentials() 42 43 channel_and_first = grpc.composite_channel_credentials( 44 channel_credentials, first_call_credentials) 45 channel_first_and_second = grpc.composite_channel_credentials( 46 channel_credentials, first_call_credentials, 47 second_call_credentials) 48 channel_first_second_and_third = grpc.composite_channel_credentials( 49 channel_credentials, first_call_credentials, 50 second_call_credentials, third_call_credentials) 51 52 self.assertIsInstance(channel_and_first, grpc.ChannelCredentials) 53 self.assertIsInstance(channel_first_and_second, grpc.ChannelCredentials) 54 self.assertIsInstance(channel_first_second_and_third, 55 grpc.ChannelCredentials) 56 57 @unittest.skipIf(six.PY2, 'only invalid in Python3') 58 def test_invalid_string_certificate(self): 59 self.assertRaises( 60 TypeError, 61 grpc.ssl_channel_credentials, 62 root_certificates='A Certificate', 63 private_key=None, 64 certificate_chain=None, 65 ) 66 67 68if __name__ == '__main__': 69 logging.basicConfig() 70 unittest.main(verbosity=2) 71