run_gce_system_tests.py 文件源码

def test_token_info(self):
        credentials = gce.AppAssertionCredentials([])
        http = transport.get_http_object()

        # First refresh to get the access token.
        self.assertIsNone(credentials.access_token)
        credentials.refresh(http)
        self.assertIsNotNone(credentials.access_token)

        # Then check the access token against the token info API.
        query_params = {'access_token': credentials.access_token}
        token_uri = (oauth2client.GOOGLE_TOKEN_INFO_URI + '?' +
                     urllib.parse.urlencode(query_params))
        response, content = transport.request(http, token_uri)
        self.assertEqual(response.status, http_client.OK)

        content = content.decode('utf-8')
        payload = json.loads(content)
        self.assertEqual(payload['access_type'], 'offline')
        self.assertLessEqual(int(payload['expires_in']), 3600)