def test_deprecated(self):
"""Test that deprecated names map the same backends as the new names.
"""
def _get_first_available_backend(provider, backend_names):
"""Gets the first available backend."""
if isinstance(backend_names, str):
backend_names = [backend_names]
for backend_name in backend_names:
try:
return provider.get_backend(backend_name).name()
except QiskitBackendNotFoundError:
pass
return None
deprecated_names = BasicAer._deprecated_backend_names()
for oldname, newname in deprecated_names.items():
with self.subTest(oldname=oldname, newname=newname):
try:
resolved_newname = _get_first_available_backend(
BasicAer, newname)
real_backend = BasicAer.get_backend(resolved_newname)
except QiskitBackendNotFoundError:
# The real name of the backend might not exist
pass
else:
self.assertEqual(
BasicAer.backends(oldname)[0], real_backend)
def test_deprecated(self):
"""Test that deprecated names map the same backends as the new names.
"""
def _get_first_available_backend(provider, backend_names):
"""Gets the first available backend."""
if isinstance(backend_names, str):
backend_names = [backend_names]
for backend_name in backend_names:
try:
return provider.get_backend(backend_name).name()
except QiskitBackendNotFoundError:
pass
return None
deprecated_names = BasicAer._deprecated_backend_names()
for oldname, newname in deprecated_names.items():
expected = "WARNING:qiskit.providers.providerutils:Backend '%s' is deprecated. " \
"Use '%s'." % (oldname, newname)
with self.subTest(oldname=oldname, newname=newname):
with self.assertLogs('qiskit.providers.providerutils',
level='WARNING') as context:
resolved_newname = _get_first_available_backend(
BasicAer, newname)
real_backend = BasicAer.get_backend(resolved_newname)
self.assertEqual(
BasicAer.backends(oldname)[0], real_backend)
self.assertEqual(context.output, [expected])
def test_deprecated(self):
"""Test that deprecated names map the same backends as the new names.
"""
deprecated_names = BasicAer._deprecated_backend_names()
for oldname, newname in deprecated_names.items():
with self.subTest(oldname=oldname, newname=newname):
try:
resolved_newname = _get_first_available_backend(
BasicAer, newname)
real_backend = BasicAer.get_backend(resolved_newname)
except QiskitBackendNotFoundError:
# The real name of the backend might not exist
pass
else:
self.assertEqual(
BasicAer.backends(oldname)[0], real_backend)
