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267 lines
10 KiB
267 lines
10 KiB
# Copyright 2015 Google Inc. 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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"""Tests for oauth2client.contrib.devshell."""
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import datetime
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import json
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import os
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import socket
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import threading
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import mock
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import unittest2
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from oauth2client import _helpers
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from oauth2client import client
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from oauth2client.contrib import devshell
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# A dummy value to use for the expires_in field
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# in CredentialInfoResponse.
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EXPIRES_IN = 1000
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DEFAULT_CREDENTIAL_JSON = json.dumps([
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'joe@example.com',
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'fooproj',
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'sometoken',
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EXPIRES_IN
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])
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class TestCredentialInfoResponse(unittest2.TestCase):
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def test_constructor_with_non_list(self):
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json_non_list = '{}'
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with self.assertRaises(ValueError):
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devshell.CredentialInfoResponse(json_non_list)
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def test_constructor_with_bad_json(self):
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json_non_list = '{BADJSON'
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with self.assertRaises(ValueError):
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devshell.CredentialInfoResponse(json_non_list)
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def test_constructor_empty_list(self):
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info_response = devshell.CredentialInfoResponse('[]')
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self.assertEqual(info_response.user_email, None)
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self.assertEqual(info_response.project_id, None)
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self.assertEqual(info_response.access_token, None)
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self.assertEqual(info_response.expires_in, None)
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def test_constructor_full_list(self):
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user_email = 'user_email'
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project_id = 'project_id'
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access_token = 'access_token'
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expires_in = 1
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json_string = json.dumps(
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[user_email, project_id, access_token, expires_in])
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info_response = devshell.CredentialInfoResponse(json_string)
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self.assertEqual(info_response.user_email, user_email)
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self.assertEqual(info_response.project_id, project_id)
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self.assertEqual(info_response.access_token, access_token)
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self.assertEqual(info_response.expires_in, expires_in)
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class Test_SendRecv(unittest2.TestCase):
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def test_port_zero(self):
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with mock.patch('oauth2client.contrib.devshell.os') as os_mod:
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os_mod.getenv = mock.MagicMock(name='getenv', return_value=0)
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with self.assertRaises(devshell.NoDevshellServer):
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devshell._SendRecv()
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os_mod.getenv.assert_called_once_with(devshell.DEVSHELL_ENV, 0)
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def test_no_newline_in_received_header(self):
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non_zero_port = 1
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sock = mock.MagicMock()
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header_without_newline = ''
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sock.recv(6).decode = mock.MagicMock(
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name='decode', return_value=header_without_newline)
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with mock.patch('oauth2client.contrib.devshell.os') as os_mod:
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os_mod.getenv = mock.MagicMock(name='getenv',
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return_value=non_zero_port)
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with mock.patch('oauth2client.contrib.devshell.socket') as socket:
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socket.socket = mock.MagicMock(name='socket',
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return_value=sock)
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with self.assertRaises(devshell.CommunicationError):
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devshell._SendRecv()
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os_mod.getenv.assert_called_once_with(devshell.DEVSHELL_ENV, 0)
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socket.socket.assert_called_once_with()
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sock.recv(6).decode.assert_called_once_with()
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data = devshell.CREDENTIAL_INFO_REQUEST_JSON
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msg = _helpers._to_bytes(
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'{0}\n{1}'.format(len(data), data), encoding='utf-8')
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expected_sock_calls = [
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mock.call.recv(6), # From the set-up above
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mock.call.connect(('localhost', non_zero_port)),
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mock.call.sendall(msg),
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mock.call.recv(6),
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mock.call.recv(6), # From the check above
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]
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self.assertEqual(sock.method_calls, expected_sock_calls)
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class _AuthReferenceServer(threading.Thread):
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def __init__(self, response=None):
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super(_AuthReferenceServer, self).__init__(None)
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self.response = response or DEFAULT_CREDENTIAL_JSON
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self.bad_request = False
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def __enter__(self):
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return self.start_server()
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def start_server(self):
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self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self._socket.bind(('localhost', 0))
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port = self._socket.getsockname()[1]
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os.environ[devshell.DEVSHELL_ENV] = str(port)
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self._socket.listen(0)
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self.daemon = True
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self.start()
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return self
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def __exit__(self, e_type, value, traceback):
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self.stop_server()
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def stop_server(self):
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del os.environ[devshell.DEVSHELL_ENV]
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self._socket.close()
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def run(self):
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s = None
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try:
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# Do not set the timeout on the socket, leave it in the blocking
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# mode as setting the timeout seems to cause spurious EAGAIN
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# errors on OSX.
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self._socket.settimeout(None)
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s, unused_addr = self._socket.accept()
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resp_buffer = ''
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resp_1 = s.recv(6).decode()
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nstr, extra = resp_1.split('\n', 1)
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resp_buffer = extra
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n = int(nstr)
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to_read = n - len(extra)
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if to_read > 0:
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resp_buffer += _helpers._from_bytes(
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s.recv(to_read, socket.MSG_WAITALL))
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if resp_buffer != devshell.CREDENTIAL_INFO_REQUEST_JSON:
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self.bad_request = True
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l = len(self.response)
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s.sendall('{0}\n{1}'.format(l, self.response).encode())
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finally:
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# Will fail if s is None, but these tests never encounter
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# that scenario.
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s.close()
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class DevshellCredentialsTests(unittest2.TestCase):
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def test_signals_no_server(self):
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with self.assertRaises(devshell.NoDevshellServer):
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devshell.DevshellCredentials()
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def test_bad_message_to_mock_server(self):
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request_content = devshell.CREDENTIAL_INFO_REQUEST_JSON + 'extrastuff'
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request_message = _helpers._to_bytes(
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'{0}\n{1}'.format(len(request_content), request_content))
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response_message = 'foobar'
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with _AuthReferenceServer(response_message) as auth_server:
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self.assertFalse(auth_server.bad_request)
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sock = socket.socket()
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port = int(os.getenv(devshell.DEVSHELL_ENV, 0))
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sock.connect(('localhost', port))
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sock.sendall(request_message)
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# Mimic the receive part of _SendRecv
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header = sock.recv(6).decode()
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len_str, result = header.split('\n', 1)
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to_read = int(len_str) - len(result)
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result += sock.recv(to_read, socket.MSG_WAITALL).decode()
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self.assertTrue(auth_server.bad_request)
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self.assertEqual(result, response_message)
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def test_request_response(self):
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with _AuthReferenceServer():
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response = devshell._SendRecv()
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self.assertEqual(response.user_email, 'joe@example.com')
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self.assertEqual(response.project_id, 'fooproj')
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self.assertEqual(response.access_token, 'sometoken')
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def test_no_refresh_token(self):
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with _AuthReferenceServer():
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creds = devshell.DevshellCredentials()
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self.assertEquals(None, creds.refresh_token)
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@mock.patch('oauth2client.client._UTCNOW')
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def test_reads_credentials(self, utcnow):
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NOW = datetime.datetime(1992, 12, 31)
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utcnow.return_value = NOW
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with _AuthReferenceServer():
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creds = devshell.DevshellCredentials()
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self.assertEqual('joe@example.com', creds.user_email)
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self.assertEqual('fooproj', creds.project_id)
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self.assertEqual('sometoken', creds.access_token)
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self.assertEqual(
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NOW + datetime.timedelta(seconds=EXPIRES_IN),
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creds.token_expiry)
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utcnow.assert_called_once_with()
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def test_handles_skipped_fields(self):
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with _AuthReferenceServer('["joe@example.com"]'):
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creds = devshell.DevshellCredentials()
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self.assertEqual('joe@example.com', creds.user_email)
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self.assertEqual(None, creds.project_id)
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self.assertEqual(None, creds.access_token)
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self.assertEqual(None, creds.token_expiry)
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def test_handles_tiny_response(self):
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with _AuthReferenceServer('[]'):
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creds = devshell.DevshellCredentials()
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self.assertEqual(None, creds.user_email)
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self.assertEqual(None, creds.project_id)
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self.assertEqual(None, creds.access_token)
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def test_handles_ignores_extra_fields(self):
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with _AuthReferenceServer(
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'["joe@example.com", "fooproj", "sometoken", 1, "extra"]'):
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creds = devshell.DevshellCredentials()
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self.assertEqual('joe@example.com', creds.user_email)
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self.assertEqual('fooproj', creds.project_id)
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self.assertEqual('sometoken', creds.access_token)
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def test_refuses_to_save_to_well_known_file(self):
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ORIGINAL_ISDIR = os.path.isdir
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try:
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os.path.isdir = lambda path: True
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with _AuthReferenceServer():
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creds = devshell.DevshellCredentials()
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with self.assertRaises(NotImplementedError):
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client.save_to_well_known_file(creds)
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finally:
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os.path.isdir = ORIGINAL_ISDIR
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def test_from_json(self):
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with self.assertRaises(NotImplementedError):
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devshell.DevshellCredentials.from_json(None)
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def test_serialization_data(self):
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with _AuthReferenceServer('[]'):
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credentials = devshell.DevshellCredentials()
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with self.assertRaises(NotImplementedError):
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getattr(credentials, 'serialization_data')
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