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import pytest
from textual.app import App, ComposeResult
from textual.containers import Horizontal
from textual.widget import Widget
@pytest.fixture
async def app():
class HorizontalAutoWidth(App):
def compose(self) -> ComposeResult:
child1 = Widget(id="child1")
child1.styles.width = 4
child2 = Widget(id="child2")
child2.styles.width = 6
child3 = Widget(id="child3")
child3.styles.width = 5
self.horizontal = Horizontal(child1, child2, child3)
yield self.horizontal
app = HorizontalAutoWidth()
yield app
async def test_horizontal_get_content_width(app):
async with app.run_test():
size = app.screen.size
width = app.horizontal.get_content_width(size, size)
assert width == 15
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