def run_bg_test(test, params, vm, sender="both"):
"""
Run serial data transfer backgroud test.
:return: return the background case thread if it's successful;
else raise error.
"""
# import driver_in_use in this function to avoid circular imports
from qemu.tests import driver_in_use
error_context.context("Run serial transfer test in background",
logging.info)
stress_thread = utils_misc.InterruptedThread(
virtio_serial_file_transfer.transfer_data, (params, vm),
{"sender": sender})
stress_thread.daemon = True
stress_thread.start()
check_bg_timeout = float(params.get('check_bg_timeout', 120))
if not utils_misc.wait_for(
lambda: driver_in_use.check_bg_running(vm, params),
check_bg_timeout, 0, 1):
test.fail("Backgroud test is not alive!")
return stress_thread
def run_bg_test():
"""
Set the operation of transferring data as background
:return: return the background case thread if it's successful;
else raise error
"""
stress_thread = utils_misc.InterruptedThread(run_serial_data_transfer)
stress_thread.start()
if not utils_misc.wait_for(
lambda: driver_in_use.check_bg_running(vm, params),
check_bg_timeout, 0, 1):
test.fail("Backgroud test is not alive!")
return stress_thread