chore: import upstream snapshot with attribution

tests/unittests/tools/data_agent/test_data_agent_toolset.py

@@ -0,0 +1,128 @@
+# 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 unittest import mock
+
+from google.adk.tools.data_agent import DataAgentCredentialsConfig
+from google.adk.tools.data_agent import DataAgentToolset
+from google.adk.tools.data_agent.config import DataAgentToolConfig
+from google.adk.tools.google_tool import GoogleTool
+import pytest
+
+
+@pytest.mark.asyncio
+async def test_data_agent_toolset_tools_default():
+  """Test default DataAgentToolset.
+
+  This test verifies the behavior of the DataAgentToolset when no filter is
+  specified.
+  """
+  credentials_config = DataAgentCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = DataAgentToolset(
+      credentials_config=credentials_config, data_agent_tool_config=None
+  )
+  # Verify that the tool config is initialized to default values.
+  assert isinstance(toolset._tool_settings, DataAgentToolConfig)  # pylint: disable=protected-access
+  assert toolset._tool_settings.__dict__ == DataAgentToolConfig().__dict__  # pylint: disable=protected-access
+
+  tools = await toolset.get_tools()
+  assert tools is not None
+
+  assert len(tools) == 3
+  assert all(isinstance(tool, GoogleTool) for tool in tools)
+
+  expected_tool_names = set([
+      "list_accessible_data_agents",
+      "get_data_agent_info",
+      "ask_data_agent",
+  ])
+  actual_tool_names = {tool.name for tool in tools}
+  assert actual_tool_names == expected_tool_names
+
+
+@pytest.mark.parametrize(
+    "selected_tools",
+    [
+        pytest.param([], id="None"),
+        pytest.param(
+            ["list_accessible_data_agents", "get_data_agent_info"],
+            id="list_and_get",
+        ),
+        pytest.param(["ask_data_agent"], id="ask"),
+    ],
+)
+@pytest.mark.asyncio
+async def test_data_agent_toolset_tools_selective(selected_tools):
+  """Test DataAgentToolset with filter.
+
+  This test verifies the behavior of the DataAgentToolset when filter is
+  specified. A use case for this would be when the agent builder wants to
+  use only a subset of the tools provided by the toolset.
+  """
+  credentials_config = DataAgentCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+  toolset = DataAgentToolset(
+      credentials_config=credentials_config, tool_filter=selected_tools
+  )
+  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 = {tool.name for tool in tools}
+  assert actual_tool_names == expected_tool_names
+
+
+@pytest.mark.parametrize(
+    ("selected_tools", "returned_tools"),
+    [
+        pytest.param(["unknown"], [], id="all-unknown"),
+        pytest.param(
+            ["unknown", "ask_data_agent"],
+            ["ask_data_agent"],
+            id="mixed-known-unknown",
+        ),
+    ],
+)
+@pytest.mark.asyncio
+async def test_data_agent_toolset_unknown_tool(selected_tools, returned_tools):
+  """Test DataAgentToolset with filter.
+
+  This test verifies the behavior of the DataAgentToolset when filter is
+  specified with an unknown tool.
+  """
+  credentials_config = DataAgentCredentialsConfig(
+      client_id="abc", client_secret="def"
+  )
+
+  toolset = DataAgentToolset(
+      credentials_config=credentials_config, tool_filter=selected_tools
+  )
+
+  tools = await toolset.get_tools()
+  assert tools is not None
+
+  assert len(tools) == len(returned_tools)
+  assert all(isinstance(tool, GoogleTool) for tool in tools)
+
+  expected_tool_names = set(returned_tools)
+  actual_tool_names = {tool.name for tool in tools}
+  assert actual_tool_names == expected_tool_names