qiskit/test/python/providers/basic_provider/test_basic_provider_backend...

44 lines
1.6 KiB
Python

# This code is part of Qiskit.
#
# (C) Copyright IBM 2017, 2023.
#
# 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.
"""BasicProvider Backends Test."""
from qiskit.providers.basic_provider.basic_provider import BasicProvider
from qiskit.providers.exceptions import QiskitBackendNotFoundError
from test import QiskitTestCase # pylint: disable=wrong-import-order
class TestBasicProviderBackends(QiskitTestCase):
"""Qiskit BasicProvider Backends (Object) Tests."""
def setUp(self):
super().setUp()
with self.assertWarns(DeprecationWarning):
self.provider = BasicProvider()
self.backend_name = "basic_simulator"
def test_backends(self):
"""Test the provider has backends."""
backends = self.provider.backends()
self.assertTrue(len(backends) > 0)
def test_get_backend(self):
"""Test getting a backend from the provider."""
with self.assertWarns(DeprecationWarning):
backend = self.provider.get_backend(name=self.backend_name)
self.assertEqual(backend.name, self.backend_name)
def test_aliases_fail(self):
"""Test a failing backend lookup."""
with self.assertWarns(DeprecationWarning):
self.assertRaises(QiskitBackendNotFoundError, BasicProvider().get_backend, "bad_name")