mirror of
https://github.com/Textualize/textual.git
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df37a9b90a
* Add get_child_by_id and get_widget_by_id * Remove redundant code * Add unit tests for app-level get_child_by_id and get_widget_by_id * Remove redundant test fixture injection * Update CHANGELOG * Enforce uniqueness of ID amongst widget children * Enforce unique widget IDs amongst widgets mounted together * Update CHANGELOG.md * Ensuring unique IDs in a more logical place * Add docstring to NodeList._get_by_id * Dont use duplicate IDs in tests, dont mount 2000 widgets * Mounting less widgets in a unit test * Reword error message * Use lower-level depth first search in get_widget_by_id to break out early
52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
from __future__ import annotations
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from textual.app import App, ComposeResult
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from textual import events
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from textual.containers import Container
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from textual.screen import Screen
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async def test_unmount():
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"""Test unmount events are received in reverse DOM order."""
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unmount_ids: list[str] = []
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class UnmountWidget(Container):
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def on_unmount(self, event: events.Unmount):
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unmount_ids.append(f"{self.__class__.__name__}#{self.id}-{self.parent is not None}-{len(self.children)}")
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class MyScreen(Screen):
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def compose(self) -> ComposeResult:
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yield UnmountWidget(
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UnmountWidget(
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UnmountWidget(id="bar1"), UnmountWidget(id="bar2"), id="bar"
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),
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UnmountWidget(
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UnmountWidget(id="baz1"), UnmountWidget(id="baz2"), id="baz"
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),
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id="top",
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)
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def on_unmount(self, event: events.Unmount):
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unmount_ids.append(f"{self.__class__.__name__}#{self.id}")
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class UnmountApp(App):
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async def on_mount(self) -> None:
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await self.push_screen(MyScreen(id="main"))
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app = UnmountApp()
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async with app.run_test() as pilot:
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await pilot.exit(None)
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expected = [
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"UnmountWidget#bar1-True-0",
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"UnmountWidget#bar2-True-0",
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"UnmountWidget#baz1-True-0",
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"UnmountWidget#baz2-True-0",
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"UnmountWidget#bar-True-0",
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"UnmountWidget#baz-True-0",
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"UnmountWidget#top-True-0",
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"MyScreen#main",
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]
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assert unmount_ids == expected
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