mirror of
https://github.com/Textualize/textual.git
synced 2025-10-17 02:38:12 +03:00
496f8b4524
* Updating styles on demand instead of on_idle * Tidy up update_styles * Fix LRU cache tests * Remove some debugging code * Adding test for pseudoclass style update * Update changelog
39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
from textual.app import App, ComposeResult
|
|
from textual.widgets import Button
|
|
|
|
|
|
def test_batch_update():
|
|
"""Test `batch_update` context manager"""
|
|
app = App()
|
|
assert app._batch_count == 0 # Start at zero
|
|
|
|
with app.batch_update():
|
|
assert app._batch_count == 1 # Increments in context manager
|
|
|
|
with app.batch_update():
|
|
assert app._batch_count == 2 # Nested updates
|
|
|
|
assert app._batch_count == 1 # Exiting decrements
|
|
|
|
assert app._batch_count == 0 # Back to zero
|
|
|
|
|
|
class MyApp(App):
|
|
def compose(self) -> ComposeResult:
|
|
yield Button("Click me!")
|
|
|
|
|
|
async def test_hover_update_styles():
|
|
app = MyApp()
|
|
async with app.run_test() as pilot:
|
|
button = app.query_one(Button)
|
|
assert button.pseudo_classes == {"enabled"}
|
|
|
|
# Take note of the initial background colour
|
|
initial_background = button.styles.background
|
|
await pilot.hover(Button)
|
|
|
|
# We've hovered, so ensure the pseudoclass is present and background changed
|
|
assert button.pseudo_classes == {"enabled", "hover"}
|
|
assert button.styles.background != initial_background
|