imports

tests/test_shutdown.py

@@ -0,0 +1,23 @@
+import asyncio
+
+from textual.app import App
+from textual.containers import Horizontal
+from textual.widgets import Footer, Tree
+
+
+class TreeApp(App[None]):
+    def compose(self):
+        yield Horizontal(Tree("Dune"))
+        yield Footer()
+
+
+def test_shutdown():
+    # regression test for https://github.com/Textualize/textual/issues/4634
+    # Testing that an app with the footer doesn't deadlock
+    app = TreeApp()
+
+    async def run_test():
+        async with app.run_test():
+            pass
+
+    asyncio.run(run_test())