def test_wifi_rescan_when_raise_error():
c = DummyDeviceControl(raise_error=Exception)
with pytest.raises(Exception):
c.wifi_rescan()
def test_wifi_rescan():
c = DummyDeviceControl()
ifname = 'wlan0'
ssid = 'ssid'
c.wifi_rescan(ifname, ssid)
assert c.wifi_rescan_args == [(ifname, ssid)]