def save(self, filename=None):
        filename = Path(filename) if filename is not None else self.filename
        with filename.open("w") as f:
            f.write(self.yaml)
def test_cnli_caps_on(fake_qtile, patched_cnli, fake_window):
    widget = patched_cnli.CapsNumLockIndicator()

    # Simulate Caps on
    MockCapsNumLockIndicator.index = 1

    fakebar = FakeBar([widget], window=fake_window)
    widget._configure(fake_qtile, fakebar)
    text = widget.poll()

    assert text == "Caps on Num on"