test

tests/test_links.py

@@ -0,0 +1,24 @@
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Label
+
+
+async def test_links():
+    """Regression test for https://github.com/Textualize/textual/issues/4536"""
+    messages: list[str] = []
+
+    class HomeScreen(Screen[None]):
+        def compose(self) -> ComposeResult:
+            yield Label("[@click=app.bell_message('hi')]Ring the bell![/]")
+
+    class ScreenNamespace(App[None]):
+        def get_default_screen(self) -> HomeScreen:
+            return HomeScreen()
+
+        def action_bell_message(self, message: str) -> None:
+            nonlocal messages
+            messages.append(message)
+
+    async with ScreenNamespace().run_test() as pilot:
+        await pilot.click(offset=(5, 0))
+        assert messages == ["hi"]