"""Regression test: BrowserError raised inside an action must reach Tools.act with its structured short/long-term memory intact, instead of being flattened into a generic 'Error executing action ...' RuntimeError by execute_action's catch-all handler.""" from browser_use.browser.views import BrowserError from browser_use.tools.service import Tools async def test_browser_error_memory_survives_execute_action(): tools = Tools() @tools.registry.action(description='Test action that raises a structured BrowserError') async def raise_structured_error(): raise BrowserError( message='element is a select, not clickable', short_term_memory='Available options: alpha, beta, gamma', long_term_memory='Tried to click a dropdown; use select_dropdown instead', ) ActionModel = tools.registry.create_action_model() action = ActionModel(**{'raise_structured_error': {}}) result = await tools.act(action, browser_session=None) # type: ignore[arg-type] -- action doesn't touch the browser assert result.error == 'Tried to click a dropdown; use select_dropdown instead', ( f'structured long_term_memory lost: {result.error!r}' ) assert result.extracted_content == 'Available options: alpha, beta, gamma' async def test_plain_browser_error_still_returns_recoverable_action_result(): """A BrowserError without long_term_memory must not escape Tools.act as an exception — it must still come back as a recoverable ActionResult (as it did when the generic execute_action handler flattened it).""" tools = Tools() @tools.registry.action(description='Test action that raises a plain BrowserError') async def raise_plain_error(): raise BrowserError(message='element with index 5 does not exist') ActionModel = tools.registry.create_action_model() action = ActionModel(**{'raise_plain_error': {}}) result = await tools.act(action, browser_session=None) # type: ignore[arg-type] -- action doesn't touch the browser assert result.error is not None and 'element with index 5 does not exist' in result.error