test_grpc.py 文件源码

def test_call_refresh(self):
        credentials = CredentialsStub()
        credentials.expiry = datetime.datetime.min + _helpers.CLOCK_SKEW
        request = mock.create_autospec(transport.Request)

        plugin = google.auth.transport.grpc.AuthMetadataPlugin(
            credentials, request)

        context = mock.create_autospec(grpc.AuthMetadataContext, instance=True)
        context.method_name = mock.sentinel.method_name
        context.service_url = mock.sentinel.service_url
        callback = mock.create_autospec(grpc.AuthMetadataPluginCallback)

        plugin(context, callback)

        assert credentials.token == 'token1'
        callback.assert_called_once_with(
            [(u'authorization', u'Bearer {}'.format(credentials.token))], None)