def test_parse_failures(url, msg):
parsed_url = urllib.parse.urlparse(url)
data = json.loads(parsed_url.fragment[len('circuit='):])
with pytest.raises(ValueError, match=msg):
_ = quirk_url_to_circuit(url)
with pytest.raises(ValueError, match=msg):
_ = quirk_json_to_circuit(data)
def test_custom_circuit_gate():
a, b, c, d, e = cirq.LineQubit.range(5)
# Without name.
assert_url_to_circuit_returns(
'{"cols":[["~d3pq"],["Y"]],'
'"gates":[{"id":"~d3pq","circuit":{"cols":[["H"],["•","X"]]}}]}',
cirq.Circuit(
cirq.H(a),
cirq.X(b).controlled_by(a),
cirq.Y(a),
),
)
# With name.
assert_url_to_circuit_returns(
'{"cols":[["~d3pq"],["Y"]],'
'"gates":[{"id":"~d3pq","name":"test",'
'"circuit":{"cols":[["H"],["•","X"]]}}]}',
cirq.Circuit(
cirq.H(a),
cirq.X(b).controlled_by(a),
cirq.Y(a),
),
)
# With internal input.
assert_url_to_circuit_returns(
'{"cols":[["~a5ls"]],"gates":[{"id":"~a5ls","circuit":{"cols":[["inputA1","+=A1"]]}}]}',
cirq.Circuit(
cirq.interop.quirk.QuirkArithmeticOperation('+=A1',
target=[b],
inputs=[[a]])),
)
# With external input.
assert_url_to_circuit_returns(
'{"cols":[["inputA1","~r79k"]],"gates":[{"id":"~r79k","circuit":{"cols":[["+=A1"]]}}]}',
cirq.Circuit(
cirq.interop.quirk.QuirkArithmeticOperation('+=A1',
target=[b],
inputs=[[a]])),
)
# With external control.
assert_url_to_circuit_returns(
'{"cols":[["•",1,"~r79k"]],"gates":[{"id":"~r79k",'
'"circuit":{"cols":[["X"],["Y","Z"]]}}]}',
cirq.Circuit(
cirq.X(c).controlled_by(a),
cirq.Y(c).controlled_by(a),
cirq.Z(d).controlled_by(a)),
)
# With external and internal control.
assert_url_to_circuit_returns(
'{"cols":[["•",1,"~r79k"]],"gates":[{"id":"~r79k",'
'"circuit":{"cols":[["X"],["⊕","Z"]]}}]}',
cirq.Circuit(
cirq.X(c).controlled_by(a),
cirq.Y(c)**0.5,
cirq.Z(d).controlled_by(a, c),
cirq.Y(c)**-0.5,
),
)
# Broadcast input.
assert_url_to_circuit_returns(
'{"cols":[["~q1fh",1,1,"inputA2"]],"gates":[{"id":"~q1fh",'
'"circuit":{"cols":[["+=A2"],[1,"+=A2"],[1,"+=A2"]]}}]}',
cirq.Circuit(
cirq.interop.quirk.QuirkArithmeticOperation('+=A2',
target=[a, b],
inputs=[[d, e]]),
cirq.interop.quirk.QuirkArithmeticOperation('+=A2',
target=[b, c],
inputs=[[d, e]]),
cirq.interop.quirk.QuirkArithmeticOperation('+=A2',
target=[b, c],
inputs=[[d, e]]),
),
)
# Nested custom gate.
assert_url_to_circuit_returns(
'{"cols":[["~gtnd"]],"gates":[{"id":"~ct36",'
'"circuit":{"cols":[["X"],["X"]]}},{"id":"~gtnd",'
'"circuit":{"cols":[["~ct36"],["~ct36"]]}}]}',
cirq.Circuit(cirq.X(a)) * 4,
)
# Nested custom gate wrong order.
with pytest.raises(ValueError, match='Unrecognized column entry'):
_ = quirk_json_to_circuit({
"cols": [["~gtnd"]],
"gates": [
{
"id": "~gtnd",
"circuit": {
"cols": [["~ct36"], ["~ct36"]]
}
},
{
"id": "~ct36",
"circuit": {
"cols": [["X"], ["X"]]
}
},
],
})