def test_build_ansatz_circuit_with_parameter_values(
self, params_filename_and_number_of_layers):
# Given
params_filename, number_of_layers = params_filename_and_number_of_layers
ansatz_specs = {
"module_name": "zquantum.core.interfaces.mock_objects",
"function_name": "MockAnsatz",
"number_of_layers": number_of_layers,
"problem_size": 2,
}
parameters = load_circuit_template_params(params_filename)
ansatz = create_object(copy.deepcopy(ansatz_specs))
expected_circuit = ansatz.get_executable_circuit(parameters)
# When
build_ansatz_circuit(ansatz_specs=ansatz_specs, params=params_filename)
# Then
try:
circuit_filename = "circuit.json"
circuit = load_circuit(circuit_filename)
assert isinstance(circuit, Circuit)
assert circuit == expected_circuit
finally:
remove_file_if_exists(circuit_filename)
def test_build_ansatz_circuit_raises_exception_on_invalid_inputs(self):
params_filename = "params.json"
save_circuit_template_params(np.array([1.0]), params_filename)
ansatz_specs = {
"module_name": "zquantum.core.interfaces.mock_objects",
"function_name": "MockAnsatz",
"number_of_layers": 0,
"problem_size": 2,
}
try:
circuit_filename = "circuit.json"
with pytest.raises(Exception):
build_ansatz_circuit(ansatz_specs=ansatz_specs, params=params_filename)
finally:
remove_file_if_exists(params_filename)
remove_file_if_exists(circuit_filename)
def test_build_ansatz_circuit_ansatz_specs_as_string(self):
# Given
number_of_layers = 2
ansatz_specs = {
"module_name": "zquantum.core.interfaces.mock_objects",
"function_name": "MockAnsatz",
"number_of_layers": number_of_layers,
"problem_size": 2,
}
ansatz = create_object(copy.deepcopy(ansatz_specs))
expected_circuit = ansatz.parametrized_circuit
# When
build_ansatz_circuit(ansatz_specs=json.dumps(ansatz_specs))
# Then
try:
circuit_filename = "circuit.json"
circuit = load_circuit(circuit_filename)
assert isinstance(circuit, Circuit)
assert circuit == expected_circuit
finally:
remove_file_if_exists(circuit_filename)
def test_build_ansatz_circuit_without_parameter_values(
self, number_of_layers):
# Given
ansatz_specs = {
"module_name": "zquantum.core.interfaces.mock_objects",
"function_name": "MockAnsatz",
"number_of_layers": number_of_layers,
"problem_size": 2,
}
ansatz = create_object(copy.deepcopy(ansatz_specs))
expected_circuit = ansatz.parametrized_circuit
# When
build_ansatz_circuit(ansatz_specs=ansatz_specs)
# Then
try:
circuit_filename = "circuit.json"
with open(circuit_filename) as f:
circuit = new_circuits.circuit_from_dict(json.load(f))
assert circuit == expected_circuit
finally:
remove_file_if_exists(circuit_filename)