chore: import upstream snapshot with attribution

tests/unittests/tools/test_tool_config.py

@@ -0,0 +1,56 @@
+# 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 google.adk.tools import VertexAiSearchTool
+from google.adk.tools.tool_configs import ToolConfig
+from google.genai import types
+import yaml
+
+
+def test_vertex_ai_search_tool_config():
+  yaml_content = """\
+name: VertexAiSearchTool
+args:
+  data_store_specs:
+    - data_store: projects/my-project/locations/us-central1/collections/my-collection/dataStores/my-datastore1
+      filter: filter1
+    - data_store: projects/my-project/locations/us-central1/collections/my-collection/dataStores/my-dataStore2
+      filter: filter2
+  filter: filter
+  max_results: 10
+  search_engine_id: projects/my-project/locations/us-central1/collections/my-collection/engines/my-engine
+  """
+  config_data = yaml.safe_load(yaml_content)
+  config = ToolConfig.model_validate(config_data)
+
+  tool = VertexAiSearchTool.from_config(config.args, "")
+  assert isinstance(tool, VertexAiSearchTool)
+  assert isinstance(tool.data_store_specs[0], types.VertexAISearchDataStoreSpec)
+  assert (
+      tool.data_store_specs[0].data_store
+      == "projects/my-project/locations/us-central1/collections/my-collection/dataStores/my-datastore1"
+  )
+  assert tool.data_store_specs[0].filter == "filter1"
+  assert isinstance(tool.data_store_specs[0], types.VertexAISearchDataStoreSpec)
+  assert (
+      tool.data_store_specs[1].data_store
+      == "projects/my-project/locations/us-central1/collections/my-collection/dataStores/my-dataStore2"
+  )
+  assert tool.data_store_specs[1].filter == "filter2"
+  assert tool.filter == "filter"
+  assert tool.max_results == 10
+  assert (
+      tool.search_engine_id
+      == "projects/my-project/locations/us-central1/collections/my-collection/engines/my-engine"
+  )