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import gc
from unittest.mock import patch
import can
def test_bus_ignore_config():
with patch.object(
target=can.util, attribute="load_config", side_effect=can.util.load_config
):
_ = can.Bus(interface="virtual", ignore_config=True)
assert not can.util.load_config.called
_ = can.Bus(interface="virtual")
assert can.util.load_config.called
@patch.object(can.bus.BusABC, "shutdown")
def test_bus_attempts_self_cleanup(mock_shutdown):
bus = can.Bus(interface="virtual")
del bus
gc.collect()
mock_shutdown.assert_called()
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