Display session ID in CLI mode

openhands/core/cli.py

@@ -100,6 +100,7 @@ async def main(loop: asyncio.AbstractEventLoop):
     initial_user_action = MessageAction(content=task_str) if task_str else None
 
     sid = str(uuid4())
+    display_message(f'Session ID: {sid}')
 
     runtime = create_runtime(config, sid=sid, headless_mode=True)
     await runtime.connect()

tests/unit/test_cli_sid.py

@@ -0,0 +1,40 @@
+import asyncio
+from unittest.mock import AsyncMock, patch
+
+import pytest
+
+from openhands.core.cli import main
+from openhands.core.schema import AgentState
+
+
+@pytest.fixture
+def mock_runtime():
+    with patch('openhands.core.cli.create_runtime') as mock_create_runtime:
+        mock_runtime_instance = AsyncMock()
+        mock_create_runtime.return_value = mock_runtime_instance
+        yield mock_runtime_instance
+
+
+@pytest.fixture
+def mock_agent():
+    with patch('openhands.core.cli.create_agent') as mock_create_agent:
+        mock_agent_instance = AsyncMock()
+        mock_create_agent.return_value = mock_agent_instance
+        yield mock_agent_instance
+
+
+@pytest.fixture
+def mock_controller():
+    with patch('openhands.core.cli.create_controller') as mock_create_controller:
+        mock_controller_instance = AsyncMock()
+        mock_create_controller.return_value = (mock_controller_instance, None)
+        yield mock_controller_instance
+
+
+@pytest.mark.asyncio
+@patch('builtins.input', return_value='')
+async def test_cli_session_id_output(mock_runtime, mock_agent, mock_controller, capsys):
+    # display sid in console when starting
+    await main(asyncio.get_event_loop())
+    captured = capsys.readouterr()
+    assert 'Session ID:' in captured.out