qiskit-aer/test/terra/extensions/test_save_amplitudes.py

66 lines
2.2 KiB
Python

# This code is part of Qiskit.
#
# (C) Copyright IBM 2018, 2019.
#
# 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.
import unittest
from qiskit_aer.library import SaveAmplitudes
from ..common import QiskitAerTestCase
class TestSaveAmplitudes(QiskitAerTestCase):
"""SaveAmplitudes instruction tests"""
def test_invalid_key_raises(self):
"""Test save instruction key is str"""
self.assertRaises(TypeError, lambda: SaveAmplitudes(1, [0], 1))
def test_invalid_state_raises(self):
"""Test non-Hermitian op raises exception."""
self.assertRaises(ValueError, lambda: SaveAmplitudes(2, [4], "key"))
def test_default_kwarg(self):
"""Test default kwargs"""
key = "test_key"
instr = SaveAmplitudes(2, [0], key)
self.assertEqual(instr.name, "save_amplitudes")
self.assertEqual(instr._label, key)
self.assertEqual(instr._subtype, "single")
def test_cond_kwarg(self):
"""Test conditional kwarg"""
key = "test_key"
instr = SaveAmplitudes(2, [0], key, conditional=True)
self.assertEqual(instr.name, "save_amplitudes")
self.assertEqual(instr._label, key)
self.assertEqual(instr._subtype, "c_single")
def test_pershot_kwarg(self):
"""Test pershot kwarg"""
key = "test_key"
instr = SaveAmplitudes(2, [0], key, pershot=True)
self.assertEqual(instr.name, "save_amplitudes")
self.assertEqual(instr._label, key)
self.assertEqual(instr._subtype, "list")
def test_pershot_cond_kwarg(self):
"""Test pershot, conditonal kwargs"""
key = "test_key"
instr = SaveAmplitudes(2, [0], key, conditional=True, pershot=True)
self.assertEqual(instr.name, "save_amplitudes")
self.assertEqual(instr._label, key)
self.assertEqual(instr._subtype, "c_list")
if __name__ == "__main__":
unittest.main()