def test_transform_bad_tree():
with pytest.raises(TypeError):
_ = list(op_tree.transform_op_tree(None))
with pytest.raises(TypeError):
_ = list(op_tree.transform_op_tree(5))
with pytest.raises(TypeError):
_ = list(op_tree.flatten_op_tree(op_tree.transform_op_tree([
Operation(Gate(), [QubitId()]), (4,)
])))
def on(self, *args: raw_types.QubitId,
**kwargs: raw_types.QubitId) -> gate_operation.GateOperation:
if not kwargs:
return super().on(*args)
if not args and set(kwargs.keys()) == {'control', 'target'}:
return super().on(kwargs['control'], kwargs['target'])
raise ValueError(
"Expected two positional argument or else 'target' AND 'control' "
"keyword arguments. But got args={!r}, kwargs={!r}.".format(
args, kwargs))