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23 lines
708 B
Python
23 lines
708 B
Python
from textual.app import App
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from textual.widgets import Label
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class SelfRemovingLabel(Label):
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def on_mount(self) -> None:
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self.set_timer(0.2, self.remove)
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class RemoveOnTimerApp(App[None]):
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def on_mount(self):
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for _ in range(5):
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self.mount(SelfRemovingLabel("I will remove myself!"))
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async def test_multiple_simultaneous_removals():
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"""Regression test for https://github.com/Textualize/textual/issues/2854."""
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# The app should run and finish without raising any errors.
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async with RemoveOnTimerApp().run_test() as pilot:
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await pilot.pause(0.3)
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# Sanity check to ensure labels were removed.
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assert len(pilot.app.query(Label)) == 0
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