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from pathlib import Path
from textual.app import App, ComposeResult
from textual.widgets import DirectoryTree
class DirectoryTreeApp(App[None]):
def compose(self) -> ComposeResult:
yield DirectoryTree(".")
async def test_change_directory_tree_path(tmpdir: Path) -> None:
"""The DirectoryTree should react to the path changing."""
async with DirectoryTreeApp().run_test() as pilot:
assert pilot.app.query_one(DirectoryTree).root.data.path == Path(".")
pilot.app.query_one(DirectoryTree).path = tmpdir
await pilot.pause()
assert pilot.app.query_one(DirectoryTree).root.data.path == tmpdir
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