| from time import time | |
| from textual.app import App | |
| class RefreshApp(App[float]): | |
| def __init__(self): | |
| self.count = 0 | |
| super().__init__() | |
| def on_mount(self): | |
| self.start = time() | |
| self.auto_refresh = 0.1 | |
| def _automatic_refresh(self): | |
| self.count += 1 | |
| if self.count == 3: | |
| self.exit(time() - self.start) | |
| super()._automatic_refresh() | |
| def test_auto_refresh(): | |
| app = RefreshApp() | |
| elapsed = app.run(quit_after=1, headless=True) | |
| assert elapsed is not None | |
| # CI can run slower, so we need to give this a bit of margin | |
| assert 0.2 <= elapsed < 0.8 | |