def test_wwan_when_raise_error():
c = DummyRadioControl(raise_error=Exception)
with pytest.raises(Exception):
c.wwan()
def test_wwan_when_no_arguments_are_passed():
c = DummyRadioControl()
with pytest.raises(ValueError):
c.wwan()
def test_wwan():
result_wwan = True
c = DummyRadioControl(result_wwan=result_wwan)
assert c.wwan() == result_wwan
