1 files changed, 55 insertions, 0 deletions
diff --git a/system_tests/system_tests_sync/test_oauth2_credentials.py b/system_tests/system_tests_sync/test_oauth2_credentials.py
new file mode 100644
index 0000000..908db31
--- /dev/null
+++ b/system_tests/system_tests_sync/test_oauth2_credentials.py
@@ -0,0 +1,55 @@
+# Copyright 2016 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 json
+
+from google.auth import _helpers
+import google.oauth2.credentials
+
+GOOGLE_OAUTH2_TOKEN_ENDPOINT = "https://oauth2.googleapis.com/token"
+
+
+def test_refresh(authorized_user_file, http_request, token_info):
+    with open(authorized_user_file, "r") as fh:
+        info = json.load(fh)
+
+    credentials = google.oauth2.credentials.Credentials(
+        None,  # No access token, must be refreshed.
+        refresh_token=info["refresh_token"],
+        token_uri=GOOGLE_OAUTH2_TOKEN_ENDPOINT,
+        client_id=info["client_id"],
+        client_secret=info["client_secret"],
+    )
+
+    credentials.refresh(http_request)
+
+    assert credentials.token
+
+    info = token_info(credentials.token)
+
+    info_scopes = _helpers.string_to_scopes(info["scope"])
+
+    # Canonical list of scopes at https://cloud.google.com/sdk/gcloud/reference/auth/application-default/login
+    # or do `gcloud auth application-defaut login --help`
+    canonical_scopes = set(
+        [
+            "https://www.googleapis.com/auth/userinfo.email",
+            "https://www.googleapis.com/auth/cloud-platform",
+            "openid",
+        ]
+    )
+    # When running the test locally, we always have an additional "accounts.reauth" scope.
+    canonical_scopes_with_reauth = canonical_scopes.copy()
+    canonical_scopes_with_reauth.add("https://www.googleapis.com/auth/accounts.reauth")
+    assert set(info_scopes) == canonical_scopes or set(info_scopes) == canonical_scopes_with_reauth