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from textual.app import App
from textual.command import CommandPalette, DiscoveryHit, Hit, Hits, Provider
from textual.widgets import OptionList
class SimpleSource(Provider):
async def discover(self) -> Hits:
def goes_nowhere_does_nothing() -> None:
pass
yield DiscoveryHit("XD-1", goes_nowhere_does_nothing, "XD-1")
async def search(self, query: str) -> Hits:
def goes_nowhere_does_nothing() -> None:
pass
yield Hit(1, query, goes_nowhere_does_nothing, query)
class CommandPaletteApp(App[None]):
COMMANDS = {SimpleSource}
def on_mount(self) -> None:
self.action_command_palette()
async def test_discovery_visible() -> None:
"""A provider with discovery should cause the command palette to be opened right away."""
async with CommandPaletteApp().run_test() as pilot:
assert CommandPalette.is_open(pilot.app)
results = pilot.app.screen.query_one(OptionList)
assert results.visible is True
assert results.option_count == 1
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