mirror of
https://github.com/Textualize/textual.git
synced 2025-10-17 02:38:12 +03:00
117 lines
4.2 KiB
Python
117 lines
4.2 KiB
Python
from __future__ import annotations
|
|
|
|
from typing import Sequence, cast
|
|
|
|
import pytest
|
|
|
|
from tests.utilities.test_app import AppTest
|
|
from textual.app import ComposeResult
|
|
from textual.geometry import Size
|
|
from textual.widget import Widget
|
|
from textual.widgets import Placeholder
|
|
|
|
pytestmark = pytest.mark.integration_test
|
|
|
|
SCREEN_SIZE = Size(100, 30)
|
|
|
|
|
|
@pytest.mark.skip("Needs a rethink")
|
|
@pytest.mark.asyncio
|
|
@pytest.mark.parametrize(
|
|
(
|
|
"screen_size",
|
|
"placeholders_count",
|
|
"scroll_to_placeholder_id",
|
|
"scroll_to_animate",
|
|
"waiting_duration",
|
|
"last_screen_expected_placeholder_ids",
|
|
),
|
|
(
|
|
[SCREEN_SIZE, 10, None, None, 0.01, (0, 1, 2, 3, 4)],
|
|
[SCREEN_SIZE, 10, "placeholder_3", False, 0.01, (0, 1, 2, 3, 4)],
|
|
[SCREEN_SIZE, 10, "placeholder_5", False, 0.01, (1, 2, 3, 4, 5)],
|
|
[SCREEN_SIZE, 10, "placeholder_7", False, 0.01, (3, 4, 5, 6, 7)],
|
|
[SCREEN_SIZE, 10, "placeholder_9", False, 0.01, (5, 6, 7, 8, 9)],
|
|
# N.B. Scroll duration is hard-coded to 0.2 in the `scroll_to_widget` method atm
|
|
# Waiting for this duration should allow us to see the scroll finished:
|
|
[SCREEN_SIZE, 10, "placeholder_9", True, 0.21, (5, 6, 7, 8, 9)],
|
|
# After having waited for approximately half of the scrolling duration, we should
|
|
# see the middle Placeholders as we're scrolling towards the last of them.
|
|
[SCREEN_SIZE, 10, "placeholder_9", True, 0.1, (4, 5, 6, 7, 8)],
|
|
),
|
|
)
|
|
async def test_scroll_to_widget(
|
|
screen_size: Size,
|
|
placeholders_count: int,
|
|
scroll_to_animate: bool | None,
|
|
scroll_to_placeholder_id: str | None,
|
|
waiting_duration: float | None,
|
|
last_screen_expected_placeholder_ids: Sequence[int],
|
|
):
|
|
class VerticalContainer(Widget):
|
|
DEFAULT_CSS = """
|
|
VerticalContainer {
|
|
layout: vertical;
|
|
overflow: hidden auto;
|
|
}
|
|
VerticalContainer Placeholder {
|
|
margin: 1 0;
|
|
height: 5;
|
|
}
|
|
"""
|
|
|
|
class MyTestApp(AppTest):
|
|
DEFAULT_CSS = """
|
|
Placeholder {
|
|
height: 5; /* minimal height to see the name of a Placeholder */
|
|
}
|
|
"""
|
|
|
|
def compose(self) -> ComposeResult:
|
|
placeholders = [
|
|
Placeholder(id=f"placeholder_{i}", name=f"Placeholder #{i}")
|
|
for i in range(placeholders_count)
|
|
]
|
|
|
|
yield VerticalContainer(*placeholders, id="root")
|
|
|
|
app = MyTestApp(size=screen_size, test_name="scroll_to_widget")
|
|
|
|
async with app.in_running_state(waiting_duration_after_yield=waiting_duration or 0):
|
|
if scroll_to_placeholder_id:
|
|
target_widget_container = cast(Widget, app.query("#root").first())
|
|
target_widget = cast(
|
|
Widget, app.query(f"#{scroll_to_placeholder_id}").first()
|
|
)
|
|
target_widget_container.scroll_to_widget(
|
|
target_widget, animate=scroll_to_animate
|
|
)
|
|
|
|
last_display_capture = app.last_display_capture
|
|
|
|
placeholders_visibility_by_id = {
|
|
id_: f"placeholder_{id_}" in last_display_capture
|
|
for id_ in range(placeholders_count)
|
|
}
|
|
print(placeholders_visibility_by_id)
|
|
# Let's start by checking placeholders that should be visible:
|
|
for placeholder_id in last_screen_expected_placeholder_ids:
|
|
assert placeholders_visibility_by_id[placeholder_id] is True, (
|
|
f"Placeholder '{placeholder_id}' should be visible but isn't"
|
|
f" :: placeholders_visibility_by_id={placeholders_visibility_by_id}"
|
|
)
|
|
|
|
# Ok, now for placeholders that should *not* be visible:
|
|
# We're simply going to check that all the placeholders that are not in
|
|
# `last_screen_expected_placeholder_ids` are not on the screen:
|
|
last_screen_expected_out_of_viewport_placeholder_ids = sorted(
|
|
tuple(
|
|
set(range(placeholders_count)) - set(last_screen_expected_placeholder_ids)
|
|
)
|
|
)
|
|
for placeholder_id in last_screen_expected_out_of_viewport_placeholder_ids:
|
|
assert placeholders_visibility_by_id[placeholder_id] is False, (
|
|
f"Placeholder '{placeholder_id}' should not be visible but is"
|
|
f" :: placeholders_visibility_by_id={placeholders_visibility_by_id}"
|
|
)
|