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43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
from textual.app import App, ComposeResult
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from textual.containers import Container
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from textual.widgets import Static
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async def test_compositor_scroll_placements():
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"""Regression test for https://github.com/Textualize/textual/issues/5249
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The Static should remain visible.
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"""
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class ScrollApp(App):
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CSS = """
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Screen {
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overflow: scroll;
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}
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Container {
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width: 200vw;
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}
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#hello {
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width: 20;
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height: 10;
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offset: 50 10;
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background: blue;
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color: white;
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}
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"""
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def compose(self) -> ComposeResult:
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with Container():
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yield Static("Hello", id="hello")
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def on_mount(self) -> None:
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self.screen.scroll_to(20, 0, animate=False)
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app = ScrollApp()
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async with app.run_test() as pilot:
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await pilot.pause()
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static = app.query_one("#hello")
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widgets = app.screen._compositor.visible_widgets
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# The static wasn't scrolled out of view, and should be visible
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# This wasn't the case <= v0.86.1
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assert static in widgets
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