chore: Add tests for universe_domain in ClientOptions for TPC

vertex-sdk-bot · copybara-github · commit 5f161b1f3bd2 · 2025-08-18T22:56:28.000-07:00
This commit adds unit tests to verify the behavior of the `universe_domain` parameter in `ClientOptions`, which is essential for TPC support.

PiperOrigin-RevId: 796285412
diff --git a/tests/unit/test_universe_domain.py b/tests/unit/test_universe_domain.py
@@ -0,0 +1,68 @@
+# -*- coding: utf-8 -*-
+"""Unit tests for universe domain functionality in ClientOptions."""
+
+# Copyright 2024 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.
+#
+
+from unittest import mock
+
+from google.api_core import client_options
+from google.auth import credentials as ga_credentials
+from google.cloud.aiplatform.compat.services import job_service_client
+import pytest
+
+
+@pytest.mark.parametrize(
+    "location, universe_domain, expected_host",
+    [
+        # Default case
+        (
+            "us-central1",
+            "googleapis.com",
+            "us-central1-aiplatform.googleapis.com:443",
+        ),
+        # TPC case
+        (
+            "u-us-prp1",
+            "apis-tpclp.goog",
+            "u-us-prp1-aiplatform.apis-tpclp.goog:443",
+        ),
+        (
+            "u-france-east1",
+            "apis-s3ns.fr",
+            "u-france-east1-aiplatform.apis-s3ns.fr:443",
+        ),
+    ],
+)
+@mock.patch("google.auth.default", autospec=True)
+def test_client_options_api_endpoint_with_universe(
+    mock_auth_default, location, universe_domain, expected_host
+):
+    """Verifies that ClientOptions correctly sets the endpoint for different universes."""
+
+    # Mock credentials to avoid actual authentication attempt
+    mock_auth_default.return_value = (
+        ga_credentials.AnonymousCredentials(),
+        "test-project",
+    )
+
+    api_endpoint = f"{location}-aiplatform.{universe_domain}"
+    opts = client_options.ClientOptions(api_endpoint=api_endpoint)
+
+    # Instantiate the client with the configured options
+    client = job_service_client.JobServiceClient(client_options=opts)
+
+    # Check the host that the client's transport is using
+    assert client.transport.host == expected_host
