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test_client.py
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test_client.py
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# Copyright 2015 Google LLC
#
# 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.
import io
import json
import unittest
import mock
def _make_credentials():
import google.auth.credentials
return mock.Mock(spec=google.auth.credentials.CredentialsWithQuotaProject)
class Test_ClientFactoryMixin(unittest.TestCase):
@staticmethod
def _get_target_class():
from google.cloud.client import _ClientFactoryMixin
return _ClientFactoryMixin
def test_virtual(self):
klass = self._get_target_class()
self.assertFalse("__init__" in klass.__dict__)
class TestClient(unittest.TestCase):
@staticmethod
def _get_target_class():
from google.cloud.client import Client
return Client
def _make_one(self, *args, **kw):
return self._get_target_class()(*args, **kw)
def test_unpickleable(self):
import pickle
credentials = _make_credentials()
HTTP = object()
client_obj = self._make_one(credentials=credentials, _http=HTTP)
with self.assertRaises(pickle.PicklingError):
pickle.dumps(client_obj)
def test_ctor_defaults(self):
credentials = _make_credentials()
patch = mock.patch("google.auth.default", return_value=(credentials, None))
with patch as default:
client_obj = self._make_one()
self.assertIs(client_obj._credentials, credentials)
self.assertIsNone(client_obj._http_internal)
default.assert_called_once_with(scopes=None)
def test_ctor_explicit(self):
credentials = _make_credentials()
http = mock.sentinel.http
client_obj = self._make_one(credentials=credentials, _http=http)
self.assertIs(client_obj._credentials, credentials)
self.assertIs(client_obj._http_internal, http)
def test_ctor_client_options_w_conflicting_creds(self):
from google.api_core.exceptions import DuplicateCredentialArgs
credentials = _make_credentials()
client_options = {"credentials_file": "/path/to/creds.json"}
with self.assertRaises(DuplicateCredentialArgs):
self._make_one(credentials=credentials, client_options=client_options)
def test_ctor_bad_credentials(self):
credentials = mock.sentinel.credentials
with self.assertRaises(ValueError):
self._make_one(credentials=credentials)
def test_ctor_client_options_w_creds_file_scopes(self):
credentials = _make_credentials()
credentials_file = "/path/to/creds.json"
scopes = ["SCOPE1", "SCOPE2"]
client_options = {"credentials_file": credentials_file, "scopes": scopes}
patch = mock.patch(
"google.auth.load_credentials_from_file", return_value=(credentials, None)
)
with patch as load_credentials_from_file:
client_obj = self._make_one(client_options=client_options)
self.assertIs(client_obj._credentials, credentials)
self.assertIsNone(client_obj._http_internal)
load_credentials_from_file.assert_called_once_with(
credentials_file, scopes=scopes
)
def test_ctor_client_options_w_quota_project(self):
credentials = _make_credentials()
quota_project_id = "quota-project-123"
client_options = {"quota_project_id": quota_project_id}
client_obj = self._make_one(
credentials=credentials, client_options=client_options
)
self.assertIs(
client_obj._credentials, credentials.with_quota_project.return_value
)
credentials.with_quota_project.assert_called_once_with(quota_project_id)
def test_ctor__http_property_existing(self):
credentials = _make_credentials()
http = object()
client = self._make_one(credentials=credentials, _http=http)
self.assertIs(client._http_internal, http)
self.assertIs(client._http, http)
def test_ctor__http_property_new(self):
from google.cloud.client import _CREDENTIALS_REFRESH_TIMEOUT
credentials = _make_credentials()
mock_client_cert_source = mock.Mock()
client_options = {"client_cert_source": mock_client_cert_source}
client = self._make_one(credentials=credentials, client_options=client_options)
self.assertIsNone(client._http_internal)
with mock.patch(
"google.auth.transport.requests.AuthorizedSession"
) as AuthorizedSession:
session = mock.Mock()
session.configure_mtls_channel = mock.Mock()
AuthorizedSession.return_value = session
self.assertIs(client._http, session)
# Check the mock.
AuthorizedSession.assert_called_once_with(
credentials, refresh_timeout=_CREDENTIALS_REFRESH_TIMEOUT
)
session.configure_mtls_channel.assert_called_once_with(
mock_client_cert_source
)
# Make sure the cached value is used on subsequent access.
self.assertIs(client._http_internal, session)
self.assertIs(client._http, session)
self.assertEqual(AuthorizedSession.call_count, 1)
def test_from_service_account_info(self):
klass = self._get_target_class()
info = {"dummy": "value", "valid": "json"}
constructor_patch = mock.patch(
"google.oauth2.service_account.Credentials.from_service_account_info",
return_value=_make_credentials(),
)
with constructor_patch as constructor:
client_obj = klass.from_service_account_info(info)
self.assertIs(client_obj._credentials, constructor.return_value)
self.assertIsNone(client_obj._http_internal)
constructor.assert_called_once_with(info)
def test_from_service_account_info_w_explicit_credentials(self):
KLASS = self._get_target_class()
info = {"dummy": "value", "valid": "json"}
with self.assertRaises(TypeError):
KLASS.from_service_account_info(info, credentials=mock.sentinel.credentials)
def test_from_service_account_json(self):
from google.cloud import _helpers
klass = self._get_target_class()
info = {"dummy": "value", "valid": "json"}
json_file = io.StringIO(_helpers._bytes_to_unicode(json.dumps(info)))
file_open_patch = mock.patch("io.open", return_value=json_file)
constructor_patch = mock.patch(
"google.oauth2.service_account.Credentials." "from_service_account_info",
return_value=_make_credentials(),
)
with file_open_patch as file_open:
with constructor_patch as constructor:
client_obj = klass.from_service_account_json(mock.sentinel.filename)
self.assertIs(client_obj._credentials, constructor.return_value)
self.assertIsNone(client_obj._http_internal)
# Check that mocks were called as expected.
file_open.assert_called_once_with(mock.sentinel.filename, "r", encoding="utf-8")
constructor.assert_called_once_with(info)
def test_close_w__http_internal_none(self):
credentials = _make_credentials()
client_obj = self._make_one(credentials=credentials, _http=None)
client_obj.close() # noraise
def test_close_w__http_internal_set(self):
credentials = _make_credentials()
http = mock.Mock(spec=["close"])
client_obj = self._make_one(credentials=credentials, _http=http)
client_obj.close()
http.close.assert_called_once_with()
class Test_ClientProjectMixin(unittest.TestCase):
@staticmethod
def _get_target_class():
from google.cloud.client import _ClientProjectMixin
return _ClientProjectMixin
def _make_one(self, *args, **kw):
return self._get_target_class()(*args, **kw)
def test_ctor_defaults_wo_envvar(self):
environ = {}
patch_env = mock.patch("os.environ", new=environ)
patch_default = mock.patch(
"google.cloud.client._determine_default_project", return_value=None,
)
with patch_env:
with patch_default as patched:
with self.assertRaises(EnvironmentError):
self._make_one()
patched.assert_called_once_with(None)
def test_ctor_defaults_w_envvar(self):
from google.auth.environment_vars import PROJECT
project = "some-project-123"
environ = {PROJECT: project}
patch_env = mock.patch("os.environ", new=environ)
with patch_env:
client = self._make_one()
self.assertEqual(client.project, project)
def test_ctor_defaults_w_legacy_envvar(self):
from google.auth.environment_vars import LEGACY_PROJECT
project = "some-project-123"
environ = {LEGACY_PROJECT: project}
patch_env = mock.patch("os.environ", new=environ)
with patch_env:
client = self._make_one()
self.assertEqual(client.project, project)
def test_ctor_w_explicit_project(self):
explicit_project = "explicit-project-456"
patch_default = mock.patch(
"google.cloud.client._determine_default_project", return_value=None,
)
with patch_default as patched:
client = self._make_one(project=explicit_project)
self.assertEqual(client.project, explicit_project)
patched.assert_not_called()
def test_ctor_w_explicit_project_bytes(self):
explicit_project = b"explicit-project-456"
patch_default = mock.patch(
"google.cloud.client._determine_default_project", return_value=None,
)
with patch_default as patched:
client = self._make_one(project=explicit_project)
self.assertEqual(client.project, explicit_project.decode("utf-8"))
patched.assert_not_called()
def test_ctor_w_explicit_project_invalid(self):
explicit_project = object()
patch_default = mock.patch(
"google.cloud.client._determine_default_project", return_value=None,
)
with patch_default as patched:
with self.assertRaises(ValueError):
self._make_one(project=explicit_project)
patched.assert_not_called()
@staticmethod
def _make_credentials(**kw):
from google.auth.credentials import Credentials
class _Credentials(Credentials):
def __init__(self, **kw):
self.__dict__.update(kw)
def refresh(self): # pragma: NO COVER
pass
return _Credentials(**kw)
def test_ctor_w_explicit_credentials_wo_project(self):
default_project = "default-project-123"
credentials = self._make_credentials()
patch_default = mock.patch(
"google.cloud.client._determine_default_project",
return_value=default_project,
)
with patch_default as patched:
client = self._make_one(credentials=credentials)
self.assertEqual(client.project, default_project)
patched.assert_called_once_with(None)
def test_ctor_w_explicit_credentials_w_project(self):
project = "credentials-project-456"
credentials = self._make_credentials(project_id=project)
patch_default = mock.patch(
"google.cloud.client._determine_default_project", return_value=None,
)
with patch_default as patched:
client = self._make_one(credentials=credentials)
self.assertEqual(client.project, project)
patched.assert_not_called()
class TestClientWithProject(unittest.TestCase):
@staticmethod
def _get_target_class():
from google.cloud.client import ClientWithProject
return ClientWithProject
def _make_one(self, *args, **kw):
return self._get_target_class()(*args, **kw)
def test_constructor_defaults(self):
credentials = _make_credentials()
patch1 = mock.patch("google.auth.default", return_value=(credentials, None))
project = "prahj-ekt"
patch2 = mock.patch(
"google.cloud.client._determine_default_project", return_value=project
)
with patch1 as default:
with patch2 as _determine_default_project:
client_obj = self._make_one()
self.assertEqual(client_obj.project, project)
self.assertIs(client_obj._credentials, credentials)
self.assertIsNone(client_obj._http_internal)
default.assert_called_once_with(scopes=None)
_determine_default_project.assert_called_once_with(None)
def test_constructor_missing_project(self):
from google.cloud._testing import _Monkey
from google.cloud import client
FUNC_CALLS = []
def mock_determine_proj(project):
FUNC_CALLS.append((project, "_determine_default_project"))
return None
with _Monkey(client, _determine_default_project=mock_determine_proj):
self.assertRaises(EnvironmentError, self._make_one)
self.assertEqual(FUNC_CALLS, [(None, "_determine_default_project")])
def test_constructor_w_invalid_project(self):
CREDENTIALS = _make_credentials()
HTTP = object()
with self.assertRaises(ValueError):
self._make_one(project=object(), credentials=CREDENTIALS, _http=HTTP)
def _explicit_ctor_helper(self, project):
import six
CREDENTIALS = _make_credentials()
HTTP = object()
client_obj = self._make_one(
project=project, credentials=CREDENTIALS, _http=HTTP
)
if isinstance(project, six.binary_type):
self.assertEqual(client_obj.project, project.decode("utf-8"))
else:
self.assertEqual(client_obj.project, project)
self.assertIs(client_obj._credentials, CREDENTIALS)
self.assertIs(client_obj._http_internal, HTTP)
def test_constructor_explicit_bytes(self):
PROJECT = b"PROJECT"
self._explicit_ctor_helper(PROJECT)
def test_constructor_explicit_unicode(self):
PROJECT = u"PROJECT"
self._explicit_ctor_helper(PROJECT)
def _from_service_account_info_helper(self, project=None):
klass = self._get_target_class()
info = {"dummy": "value", "valid": "json"}
kwargs = {}
if project is None:
expected_project = "eye-d-of-project"
else:
expected_project = project
kwargs["project"] = project
info["project_id"] = expected_project
constructor_patch = mock.patch(
"google.oauth2.service_account.Credentials.from_service_account_info",
return_value=_make_credentials(),
)
with constructor_patch as constructor:
client_obj = klass.from_service_account_info(info, **kwargs)
self.assertIs(client_obj._credentials, constructor.return_value)
self.assertIsNone(client_obj._http_internal)
self.assertEqual(client_obj.project, expected_project)
constructor.assert_called_once_with(info)
def test_from_service_account_info(self):
self._from_service_account_info_helper()
def test_from_service_account_info_with_project(self):
self._from_service_account_info_helper(project="prah-jekt")
def _from_service_account_json_helper(self, project=None):
from google.cloud import _helpers
klass = self._get_target_class()
info = {"dummy": "value", "valid": "json"}
if project is None:
expected_project = "eye-d-of-project"
else:
expected_project = project
info["project_id"] = expected_project
# Mock both the file opening and the credentials constructor.
json_fi = io.StringIO(_helpers._bytes_to_unicode(json.dumps(info)))
file_open_patch = mock.patch("io.open", return_value=json_fi)
constructor_patch = mock.patch(
"google.oauth2.service_account.Credentials." "from_service_account_info",
return_value=_make_credentials(),
)
with file_open_patch as file_open:
with constructor_patch as constructor:
kwargs = {}
if project is not None:
kwargs["project"] = project
client_obj = klass.from_service_account_json(
mock.sentinel.filename, **kwargs
)
self.assertIs(client_obj._credentials, constructor.return_value)
self.assertIsNone(client_obj._http_internal)
self.assertEqual(client_obj.project, expected_project)
# Check that mocks were called as expected.
file_open.assert_called_once_with(mock.sentinel.filename, "r", encoding="utf-8")
constructor.assert_called_once_with(info)
def test_from_service_account_json(self):
self._from_service_account_json_helper()
def test_from_service_account_json_project_set(self):
self._from_service_account_json_helper(project="prah-jekt")