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import pytest
from textual.app import App, ComposeResult
from textual.widgets import Label, ListItem, ListView
@pytest.mark.parametrize(
"initial_index,expected_index",
[
(0, 1),
(1, 1),
(2, 4),
(3, 4),
(4, 4),
(5, 5),
(6, 7),
(7, 7),
(8, 1),
],
)
async def test_listview_initial_index(initial_index, expected_index) -> None:
"""Regression test for https://github.com/Textualize/textual/issues/4449"""
class ListViewDisabledItemsApp(App[None]):
def compose(self) -> ComposeResult:
yield ListView(
ListItem(Label("0"), disabled=True),
ListItem(Label("1")),
ListItem(Label("2"), disabled=True),
ListItem(Label("3"), disabled=True),
ListItem(Label("4")),
ListItem(Label("5")),
ListItem(Label("6"), disabled=True),
ListItem(Label("7")),
ListItem(Label("8"), disabled=True),
initial_index=initial_index,
)
app = ListViewDisabledItemsApp()
async with app.run_test() as pilot:
list_view = pilot.app.query_one(ListView)
assert list_view.index == expected_index
|
