1 files changed, 28 insertions, 0 deletions
diff --git a/system_tests/system_tests_sync/test_default.py b/system_tests/system_tests_sync/test_default.py
new file mode 100644
index 0000000..560ab32
--- /dev/null
+++ b/system_tests/system_tests_sync/test_default.py
@@ -0,0 +1,28 @@
+# 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 os
+
+import google.auth
+
+EXPECT_PROJECT_ID = os.environ.get("EXPECT_PROJECT_ID")
+
+
+def test_application_default_credentials(verify_refresh):
+    credentials, project_id = google.auth.default()
+
+    if EXPECT_PROJECT_ID is not None:
+        assert project_id is not None
+
+    verify_refresh(credentials)