chore: import upstream snapshot with attribution

tests/unittests/tools/spanner/test_admin_toolset.py

@@ -0,0 +1,91 @@
+# 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.
+
+from __future__ import annotations
+
+from google.adk.tools.google_tool import GoogleTool
+from google.adk.tools.spanner.admin_toolset import SpannerAdminToolset
+from google.adk.tools.spanner.settings import SpannerToolSettings
+from google.adk.tools.spanner.spanner_credentials import SpannerCredentialsConfig
+import pytest
+
+
+@pytest.mark.asyncio
+async def test_spanner_toolset_tools_default():
+  """Test Admin Spanner toolset.
+
+  This test verifies the behavior of the Spanner admin toolset when no filter is
+  specified.
+  """
+  credentials_config = SpannerCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = SpannerAdminToolset(credentials_config=credentials_config)
+  assert isinstance(toolset._tool_settings, SpannerToolSettings)  # pylint: disable=protected-access
+  assert toolset._tool_settings.__dict__ == SpannerToolSettings().__dict__  # pylint: disable=protected-access
+  tools = await toolset.get_tools()
+  assert tools is not None
+
+  assert len(tools) == 7
+  assert all([isinstance(tool, GoogleTool) for tool in tools])
+
+  expected_tool_names = set([
+      "list_instances",
+      "get_instance",
+      "list_databases",
+      "create_instance",
+      "create_database",
+      "list_instance_configs",
+      "get_instance_config",
+  ])
+  actual_tool_names = set([tool.name for tool in tools])
+  assert actual_tool_names == expected_tool_names
+
+
+@pytest.mark.parametrize(
+    "selected_tools",
+    [
+        pytest.param(
+            ["list_instances"],
+            id="list-instances",
+        )
+    ],
+)
+@pytest.mark.asyncio
+async def test_spanner_admin_toolset_selective(selected_tools):
+  """Test selective Admin Spanner toolset.
+
+  This test verifies the behavior of the Spanner admin toolset when a filter is
+  specified.
+
+  Args:
+      selected_tools: A list of tool names to filter.
+  """
+  credentials_config = SpannerCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = SpannerAdminToolset(
+      credentials_config=credentials_config,
+      tool_filter=selected_tools,
+      spanner_tool_settings=SpannerToolSettings(),
+  )
+  tools = await toolset.get_tools()
+  assert tools is not None
+
+  assert len(tools) == len(selected_tools)
+  assert all([isinstance(tool, GoogleTool) for tool in tools])
+
+  expected_tool_names = set(selected_tools)
+  actual_tool_names = set([tool.name for tool in tools])
+  assert actual_tool_names == expected_tool_names