feat: Add support for snapshots for Sandboxes in Vertex AI GenAI SDK.

tests/unit/vertexai/genai/test_sandbox_snapshots.py

@@ -0,0 +1,157 @@
+# Copyright 2026 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 datetime
+import importlib
+from unittest import mock
+
+from google import auth
+from google.auth import credentials as auth_credentials
+from google.cloud import aiplatform
+import vertexai
+from google.cloud.aiplatform import initializer
+from google.genai import types as genai_types
+import pytest
+
+_TEST_CREDENTIALS = mock.Mock(spec=auth_credentials.AnonymousCredentials())
+_TEST_LOCATION = "us-central1"
+_TEST_PROJECT = "test-project"
+_TEST_RESOURCE_ID = "1028944691210842416"
+_TEST_SANDBOX_ID = "sandbox-123"
+_TEST_SNAPSHOT_ID = "snapshot-456"
+_TEST_PARENT = f"projects/{_TEST_PROJECT}/locations/{_TEST_LOCATION}"
+_TEST_AGENT_ENGINE_RESOURCE_NAME = (
+    f"{_TEST_PARENT}/reasoningEngines/{_TEST_RESOURCE_ID}"
+)
+_TEST_SANDBOX_RESOURCE_NAME = (
+    f"{_TEST_AGENT_ENGINE_RESOURCE_NAME}/sandboxes/{_TEST_SANDBOX_ID}"
+)
+_TEST_SNAPSHOT_RESOURCE_NAME = (
+    f"{_TEST_SANDBOX_RESOURCE_NAME}/sandboxEnvironmentSnapshots/{_TEST_SNAPSHOT_ID}"
+)
+
+
+@pytest.fixture(scope="module")
+def google_auth_mock():
+    with mock.patch.object(auth, "default") as google_auth_mock:
+        google_auth_mock.return_value = (
+            auth_credentials.AnonymousCredentials(),
+            _TEST_PROJECT,
+        )
+        yield google_auth_mock
+
+
+@pytest.mark.usefixtures("google_auth_mock")
+class TestSandboxSnapshots:
+
+    def setup_method(self):
+        importlib.reload(initializer)
+        importlib.reload(aiplatform)
+        importlib.reload(vertexai)
+        self.client = vertexai.Client(
+            project=_TEST_PROJECT,
+            location=_TEST_LOCATION,
+            credentials=_TEST_CREDENTIALS,
+        )
+
+    def teardown_method(self):
+        initializer.global_pool.shutdown(wait=True)
+
+    def test_create_snapshot(self):
+        with mock.patch.object(
+            self.client.agent_engines.sandboxes._api_client, "request"
+        ) as request_mock:
+            request_mock.return_value = genai_types.HttpResponse(
+                body=b'{"expireTime": "2026-04-22T00:00:00Z"}', headers={}
+            )
+
+            snapshot = self.client.agent_engines.sandboxes.snapshots.create(
+                name=_TEST_SANDBOX_RESOURCE_NAME,
+                sandbox_environment_snapshot={},
+            )
+
+            assert isinstance(snapshot.expire_time, datetime.datetime)
+            request_mock.assert_called_once()
+            args, _ = request_mock.call_args
+            assert args[0] == "post"
+            assert args[1] == f"{_TEST_SANDBOX_RESOURCE_NAME}:snapshot"
+
+    def test_delete_snapshot(self):
+        with mock.patch.object(
+            self.client.agent_engines.sandboxes._api_client, "request"
+        ) as request_mock:
+            request_mock.return_value = genai_types.HttpResponse(
+                body=b'{"name": "operation-name"}', headers={}
+            )
+
+            operation = self.client.agent_engines.sandboxes.snapshots.delete(
+                name=_TEST_SNAPSHOT_RESOURCE_NAME,
+            )
+
+            assert operation.name == "operation-name"
+            request_mock.assert_called_once()
+            args, _ = request_mock.call_args
+            assert args[0] == "delete"
+            assert args[1] == _TEST_SNAPSHOT_RESOURCE_NAME
+
+    def test_get_snapshot(self):
+        with mock.patch.object(
+            self.client.agent_engines.sandboxes._api_client, "request"
+        ) as request_mock:
+            request_mock.return_value = genai_types.HttpResponse(
+                body=b'{"expireTime": "2026-04-22T00:00:00Z"}', headers={}
+            )
+
+            snapshot = self.client.agent_engines.sandboxes.snapshots.get(
+                name=_TEST_SNAPSHOT_RESOURCE_NAME,
+            )
+
+            assert isinstance(snapshot.expire_time, datetime.datetime)
+            request_mock.assert_called_once()
+            args, _ = request_mock.call_args
+            assert args[0] == "get"
+            assert args[1] == _TEST_SNAPSHOT_RESOURCE_NAME
+
+    def test_list_snapshots(self):
+        with mock.patch.object(
+            self.client.agent_engines.sandboxes._api_client, "request"
+        ) as request_mock:
+            request_mock.return_value = genai_types.HttpResponse(
+                body=(
+                    b'{"sandboxEnvironmentSnapshots": [{"expireTime":'
+                    b' "2026-04-22T00:00:00Z"}, {"expireTime":'
+                    b' "2026-04-22T01:00:00Z"}]}'
+                ),
+                headers={},
+            )
+
+            response = self.client.agent_engines.sandboxes.snapshots.list(
+                name=_TEST_SANDBOX_RESOURCE_NAME,
+            )
+
+            assert len(response.sandbox_environment_snapshots) == 2
+            assert isinstance(
+                response.sandbox_environment_snapshots[0].expire_time,
+                datetime.datetime,
+            )
+            assert isinstance(
+                response.sandbox_environment_snapshots[1].expire_time,
+                datetime.datetime,
+            )
+            request_mock.assert_called_once()
+            args, _ = request_mock.call_args
+            assert args[0] == "get"
+            assert (
+                args[1] == f"{_TEST_SANDBOX_RESOURCE_NAME}/sandboxEnvironmentSnapshots"
+            )