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[dashboard] Fix flaky test_websocket_refresh_command on Windows CI (#16565)

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This commit is contained in:
J. Nick Koston
2026-05-22 08:49:03 -05:00
committed by Jesse Hills
parent 7ae5566472
commit 59db9a4673
1 changed files with 8 additions and 3 deletions
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11
tests/dashboard/test_web_server.py
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@@ -1503,13 +1503,18 @@ async def test_websocket_refresh_command(
) -> None:
"""Test WebSocket refresh command triggers dashboard update."""
with patch("esphome.dashboard.web_server.DASHBOARD_SUBSCRIBER") as mock_subscriber:
mock_subscriber.request_refresh = Mock()
# Signal an asyncio.Event when request_refresh is invoked so the
# test can deterministically wait for the server-side handler to run
# instead of relying on a fixed sleep (flaky on Windows CI under load).
called = asyncio.Event()
mock_subscriber.request_refresh = Mock(side_effect=called.set)
# Send refresh command
await websocket_client.write_message(json.dumps({"event": "refresh"}))
# Give it a moment to process
await asyncio.sleep(0.01)
# Wait for the server to process the message and invoke request_refresh
async with asyncio.timeout(5):
await called.wait()
# Verify request_refresh was called
mock_subscriber.request_refresh.assert_called_once()