def test_gate_parameters(self):
"""Test that gate_parameters outputs the correctly parsed parameters"""
true_params = {
"squeezing_amplitude_0":
Ranges([0], [1], variable_name="squeezing_amplitude_0"),
"phase_0":
Ranges([0], [0, 6.3], variable_name="phase_0"),
"phase_1":
Ranges([0.5, 1.4], variable_name="phase_1"),
}
spec_params = Device(spec=device_spec).gate_parameters
assert true_params == spec_params
def test_get_device_spec(self, prog, connection, monkeypatch):
"""Tests a successful device spec request."""
target = "abc"
layout = ""
modes = 42
compiler = []
gate_parameters = {"param": Ranges([0, 1], variable_name="param")}
monkeypatch.setattr(
requests,
"request",
mock_return(MockResponse(
200,
{"layout": "", "modes": 42, "compiler": [], "gate_parameters": {"param": [[0, 1]]}}
)),
)
device_spec = connection.get_device_spec(target)
assert device_spec.target == target
assert device_spec.layout == layout
assert device_spec.modes == modes
assert device_spec.compiler == compiler
spec_params = device_spec.gate_parameters
assert gate_parameters == spec_params
def gate_parameters(self):
"""dict[str, strawberryfields.compilers.Ranges]: A dictionary of gate parameters
and allowed ranges.
The parameter names correspond to those present in the Blackbird circuit layout.
**Example**
>>> spec.gate_parameters
{'squeezing_amplitude_0': x=0, x=1, 'phase_0': x=0, 0≤x≤6.283185307179586}
"""
gate_parameters = dict()
for gate_name, param_ranges in self._spec["gate_parameters"].items():
# convert gate parameter allowed ranges to Range objects
range_list = [[i] if not isinstance(i, Sequence) else i for i in param_ranges]
gate_parameters[gate_name] = Ranges(*range_list)
return gate_parameters