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from textual.app import App, ComposeResult
from textual.screen import Screen
from textual.widgets import Label
async def test_links() -> None:
"""Regression test for https://github.com/Textualize/textual/issues/4536"""
messages: list[str] = []
class LinkLabel(Label):
def action_bell_message(self, message: str) -> None:
nonlocal messages
messages.append(f"label {message}")
class HomeScreen(Screen[None]):
def compose(self) -> ComposeResult:
yield LinkLabel("[@click=app.bell_message('foo')]Ring the bell![/]")
yield LinkLabel("[@click=screen.bell_message('bar')]Ring the bell![/]")
yield LinkLabel("[@click=bell_message('baz')]Ring the bell![/]")
def action_bell_message(self, message: str) -> None:
nonlocal messages
messages.append(f"screen {message}")
class ScreenNamespace(App[None]):
def get_default_screen(self) -> HomeScreen:
return HomeScreen()
def action_bell_message(self, message: str) -> None:
nonlocal messages
messages.append(f"app {message}")
async with ScreenNamespace().run_test() as pilot:
await pilot.click(offset=(5, 0))
await pilot.click(offset=(5, 1))
await pilot.click(offset=(5, 2))
assert messages == ["app foo", "screen bar", "label baz"]
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