def test__get_gce_credentials_no_compute_engine():
import sys
with mock.patch.dict('sys.modules'):
sys.modules['google.auth.compute_engine'] = None
credentials, project_id = _default._get_gce_credentials()
assert credentials is None
assert project_id is None
def _get_gce_credentials(request=None):
"""Gets credentials and project ID from the GCE Metadata Service."""
# Ping requires a transport, but we want application default credentials
# to require no arguments. So, we'll use the _http_client transport which
# uses http.client. This is only acceptable because the metadata server
# doesn't do SSL and never requires proxies.
# While this library is normally bundled with compute_engine, there are
# some cases where it's not available, so we tolerate ImportError.
return _default._get_gce_credentials(request)
def test__get_gce_credentials_explicit_request(ping_mock):
_default._get_gce_credentials(mock.sentinel.request)
ping_mock.assert_called_with(request=mock.sentinel.request)
def test__get_gce_credentials_no_project_id(get_mock, ping_mock):
credentials, project_id = _default._get_gce_credentials()
assert isinstance(credentials, compute_engine.Credentials)
assert project_id is None
def test__get_gce_credentials_no_ping(ping_mock):
credentials, project_id = _default._get_gce_credentials()
assert credentials is None
assert project_id is None
def test__get_gce_credentials(get_mock, ping_mock):
credentials, project_id = _default._get_gce_credentials()
assert isinstance(credentials, compute_engine.Credentials)
assert project_id == 'example-project'
def test__get_gce_credentials_no_project_id(unused_get, unused_ping):
credentials, project_id = _default._get_gce_credentials()
assert isinstance(credentials, compute_engine.Credentials)
assert project_id is None
def test__get_gce_credentials(unused_get, unused_ping):
credentials, project_id = _default._get_gce_credentials()
assert isinstance(credentials, compute_engine.Credentials)
assert project_id == "example-project"