def test_get_best_backend(self):
provider = IBMQ.load_account()
assert QiskitBitGenerator.get_best_backend(provider)
def filter(b):
if b.configuration().backend_name == "ibmq_qasm_simulator":
return True
else:
return False
backend = QiskitBitGenerator.get_best_backend(provider, filter)
assert backend.configuration().backend_name == "ibmq_qasm_simulator"
with pytest.raises(IBMQError):
QiskitBitGenerator.get_best_backend(provider, lambda b: False)
def test_state_setter(self):
provider = IBMQ.load_account()
backend = QiskitBitGenerator.get_best_backend(provider)
bitgen = QiskitBitGenerator()
bitgen.state = {}
assert bitgen.state == QiskitBitGenerator().state
bitgen.state = {"backend_filter": lambda b: True}
bitgen.state = {"max_bits_per_request": 400}
assert bitgen.state["job_config"]["max_bits_per_request"] == 400
bitgen.state = {"backend": backend}
assert not bitgen.state["backend_config"]["simulator"]
bitgen.state = {"provider": provider}
assert not bitgen.state["backend_config"]["simulator"]
