Files
textual/tests/test_static.py
TomJGooding 7a9d32fdbf test: make tests async to fix failures on Python 3.9
After upgrading `pytest-asyncio` to the latest version, lots of tests
started failing in CI only on Python 3.9:

`RuntimeError: There is no current event loop in thread 'MainThread'`

Apparently these tests may have only been passing previously due to
issues in earlier versions of `pytest-asyncio`. Changing these tests to
async seems to fix the failures on Python 3.9.

Related issue:
https://github.com/pytest-dev/pytest-asyncio/issues/1039
2025-09-17 13:38:05 +01:00

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Python

from textual.content import Content
from textual.widgets import Static
async def test_content_property():
static = Static()
assert static.content == ""
static.content = "Foo"
assert static.content == "Foo"
assert isinstance(static.content, str)
assert static.visual == "Foo"
assert isinstance(static.visual, Content)
static.update("Hello")
assert static.content == "Hello"
assert isinstance(static.content, str)
assert static.visual == "Hello"
assert isinstance(static.visual, Content)