test(tools): add unit tests for get_user_choice_tool

Adds unit-test coverage for the previously untested get_user_choice_tool
module: that get_user_choice sets skip_summarization and returns None, and
that get_user_choice_tool is a LongRunningFunctionTool wrapping that function.

Author: Koushik-Salammagari

tests/unittests/tools/test_get_user_choice_tool.py

@@ -0,0 +1,47 @@
+# 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.get_user_choice_tool import get_user_choice
+from google.adk.tools.get_user_choice_tool import get_user_choice_tool
+from google.adk.tools.long_running_tool import LongRunningFunctionTool
+
+
+class TestGetUserChoice:
+
+  def test_sets_skip_summarization(self):
+    tool_context = mock.MagicMock()
+
+    get_user_choice(["a", "b"], tool_context)
+
+    assert tool_context.actions.skip_summarization is True
+
+  def test_returns_none(self):
+    tool_context = mock.MagicMock()
+
+    assert get_user_choice(["a", "b"], tool_context) is None
+
+
+class TestGetUserChoiceTool:
+
+  def test_is_long_running_function_tool(self):
+    assert isinstance(get_user_choice_tool, LongRunningFunctionTool)
+    assert get_user_choice_tool.is_long_running is True
+
+  def test_wraps_get_user_choice_function(self):
+    assert get_user_choice_tool.func is get_user_choice
+    assert get_user_choice_tool.name == "get_user_choice"