def test_deprecated_cpp_simulator_return_no_backend(self):
"""Test backends("local_qasm_simulator_cpp") does not return C++
simulator if it is not installed"""
name = "local_qasm_simulator_cpp"
backends = LegacySimulators.backends(name)
if is_cpp_simulator_available():
self.assertEqual(len(backends), 1)
self.assertIsInstance(backends[0] if backends else None, QasmSimulator)
else:
self.assertEqual(len(backends), 0)
def get_aer_backends():
try:
backends = LegacySimulators.backends()
logger.debug('Using LegacySimulators backends.')
return backends
except:
pass
backends = BasicAer.backends()
logger.debug('Using BasicAer backends.')
return backends