chore: import upstream snapshot with attribution

tests/unittests/integrations/gcs/test_gcs_storage_toolset.py

@@ -0,0 +1,111 @@
+# 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.integrations.gcs import GCSCredentialsConfig
+from google.adk.integrations.gcs.admin_toolset import GCSAdminToolset
+from google.adk.integrations.gcs.storage_toolset import DEFAULT_GCS_TOOL_NAME_PREFIX
+from google.adk.integrations.gcs.storage_toolset import GCSToolset
+from google.adk.tools.google_tool import GoogleTool
+import pytest
+
+
+def test_gcs_toolset_name_prefix():
+  """Test GCS toolset name prefix."""
+  credentials_config = GCSCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = GCSToolset(credentials_config=credentials_config)
+  assert toolset.tool_name_prefix == DEFAULT_GCS_TOOL_NAME_PREFIX
+
+  admin_toolset = GCSAdminToolset(credentials_config=credentials_config)
+  assert admin_toolset.tool_name_prefix == DEFAULT_GCS_TOOL_NAME_PREFIX
+
+
+@pytest.mark.asyncio
+async def test_gcs_toolset_tools_default():
+  """Test default GCS toolset."""
+  credentials_config = GCSCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = GCSToolset(credentials_config=credentials_config)
+
+  tools = await toolset.get_tools()
+  assert tools is not None
+
+  assert len(tools) == 4
+  assert all([isinstance(tool, GoogleTool) for tool in tools])
+
+  expected_tool_names = set([
+      "get_bucket",
+      "get_object_data",
+      "get_object_metadata",
+      "list_objects",
+  ])
+  actual_tool_names = set([tool.name for tool in tools])
+  assert actual_tool_names == expected_tool_names
+
+
+@pytest.mark.asyncio
+async def test_gcs_admin_toolset_tools_default():
+  """Test default GCS admin toolset."""
+  credentials_config = GCSCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = GCSAdminToolset(credentials_config=credentials_config)
+
+  tools = await toolset.get_tools()
+  assert tools is not None
+
+  assert len(tools) == 1
+  assert all([isinstance(tool, GoogleTool) for tool in tools])
+
+  expected_tool_names = set([
+      "list_buckets",
+  ])
+  actual_tool_names = set([tool.name for tool in tools])
+  assert actual_tool_names == expected_tool_names
+
+
+@pytest.mark.parametrize(
+    "selected_tools, expected_count",
+    [
+        pytest.param(None, 4, id="None"),
+        pytest.param(["get_bucket"], 1, id="bucket-get"),
+        pytest.param(
+            ["list_objects", "get_object_metadata"], 2, id="object-metadata"
+        ),
+    ],
+)
+@pytest.mark.asyncio
+async def test_gcs_toolset_tools_selective(selected_tools, expected_count):
+  """Test GCS toolset with filter."""
+  credentials_config = GCSCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = GCSToolset(
+      credentials_config=credentials_config, tool_filter=selected_tools
+  )
+
+  tools = await toolset.get_tools()
+  assert tools is not None
+
+  assert len(tools) == expected_count
+  assert all([isinstance(tool, GoogleTool) for tool in tools])
+
+  if selected_tools is not None:
+    expected_tool_names = set(selected_tools)
+    actual_tool_names = set([tool.name for tool in tools])
+    assert actual_tool_names == expected_tool_names