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28 lines
653 B
Python
28 lines
653 B
Python
"""Regression test for https://github.com/Textualize/textual/issues/2914
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Make sure that calls to render only happen after a widget being mounted.
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"""
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import asyncio
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from textual.app import App
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from textual.widget import Widget
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class W(Widget):
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def render(self):
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return self.renderable
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async def on_mount(self):
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await asyncio.sleep(0.1)
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self.renderable = "1234"
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async def test_render_only_after_mount():
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"""Regression test for https://github.com/Textualize/textual/issues/2914"""
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app = App()
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async with app.run_test() as pilot:
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app.mount(W())
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app.mount(W())
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await pilot.pause()
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