qiskit/test/python/transpiler/test_containsinstruction.py

88 lines
3.0 KiB
Python

# This code is part of Qiskit.
#
# (C) Copyright IBM 2022.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.
# pylint: disable=missing-module-docstring,missing-class-docstring,missing-function-docstring
from qiskit.circuit import QuantumCircuit
from qiskit.dagcircuit import DAGCircuit
from qiskit.transpiler.passes import ContainsInstruction
from test import QiskitTestCase # pylint: disable=wrong-import-order
class TestContainsInstructionPass(QiskitTestCase):
def test_empty_dag(self):
pass_ = ContainsInstruction("x")
pass_.run(DAGCircuit())
self.assertFalse(pass_.property_set["contains_x"])
gates = ["x", "z"]
pass_ = ContainsInstruction(gates)
pass_.run(DAGCircuit())
for gate in gates:
self.assertFalse(pass_.property_set[f"contains_{gate}"])
def test_simple_dag(self):
qc = QuantumCircuit(2)
qc.x(0)
qc.h(0)
qc.cx(0, 1)
pass_ = ContainsInstruction("cx")
pass_(qc)
self.assertTrue(pass_.property_set["contains_cx"])
pass_ = ContainsInstruction("measure")
pass_(qc)
self.assertFalse(pass_.property_set["contains_measure"])
pass_ = ContainsInstruction(["cx", "measure"])
pass_(qc)
self.assertTrue(pass_.property_set["contains_cx"])
self.assertFalse(pass_.property_set["contains_measure"])
def test_control_flow_dag(self):
qc = QuantumCircuit(5, 1)
qc.h(0)
qc.measure(0, 0)
with qc.if_test((qc.clbits[0], True)) as else_:
qc.x(1)
qc.cx(2, 3)
with else_:
qc.x(1)
with qc.for_loop(range(3)):
qc.z(2)
with qc.for_loop((4, 0, 1)):
qc.y(2)
with qc.while_loop((qc.clbits[0], True)):
qc.h(0)
qc.measure(0, 0)
in_base = ["h", "measure", "if_else", "while_loop"]
in_nested = ["x", "cx", "for_loop", "z", "y"]
not_in = ["reset", "delay"]
all_ = in_base + in_nested + not_in
pass_ = ContainsInstruction(all_, recurse=False)
pass_(qc)
for present in in_base:
self.assertTrue(pass_.property_set[f"contains_{present}"])
for not_present in in_nested + not_in:
self.assertFalse(pass_.property_set[f"contains_{not_present}"])
pass_ = ContainsInstruction(all_, recurse=True)
pass_(qc)
for present in in_base + in_nested:
self.assertTrue(pass_.property_set[f"contains_{present}"])
for not_present in not_in:
self.assertFalse(pass_.property_set[f"contains_{not_present}"])