43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
"""See https://github.com/Textualize/textual/issues/1355 as the motivation for these tests."""
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from textual.app import App, ComposeResult
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from textual.containers import Vertical
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from textual.widget import Widget
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class VisibleTester(App[None]):
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"""An app for testing visibility changes."""
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CSS = """
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Widget {
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height: 1fr;
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}
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.hidden {
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visibility: hidden;
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}
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"""
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def compose(self) -> ComposeResult:
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yield Vertical(
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Widget(id="keep"), Widget(id="hide-via-code"), Widget(id="hide-via-css")
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)
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async def test_visibility_changes() -> None:
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"""Test changing visibility via code and CSS."""
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async with VisibleTester().run_test() as pilot:
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assert pilot.app.query_one("#keep").visible is True
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assert pilot.app.query_one("#hide-via-code").visible is True
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assert pilot.app.query_one("#hide-via-css").visible is True
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pilot.app.query_one("#hide-via-code").styles.visibility = "hidden"
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await pilot.pause(0)
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assert pilot.app.query_one("#keep").visible is True
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assert pilot.app.query_one("#hide-via-code").visible is False
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assert pilot.app.query_one("#hide-via-css").visible is True
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pilot.app.query_one("#hide-via-css").set_class(True, "hidden")
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await pilot.pause(0)
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assert pilot.app.query_one("#keep").visible is True
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assert pilot.app.query_one("#hide-via-code").visible is False
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assert pilot.app.query_one("#hide-via-css").visible is False
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