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internal_gate_test.py
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internal_gate_test.py
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# Copyright 2023 The Cirq Developers
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import cirq
import cirq_google
import pytest
def test_internal_gate():
g = cirq_google.InternalGate(
gate_name="CouplerDelayZ",
gate_module='internal_module',
num_qubits=2,
delay=1,
zpa=0.0,
zpl=None,
)
assert str(g) == 'internal_module.CouplerDelayZ(delay=1, zpa=0.0, zpl=None)'
want_repr = (
"cirq_google.InternalGate(gate_name='CouplerDelayZ', "
"gate_module='internal_module', num_qubits=2, "
"delay=1, zpa=0.0, zpl=None)"
)
assert repr(g) == want_repr
assert cirq.qid_shape(g) == (2, 2)
def test_internal_gate_with_no_args():
g = cirq_google.InternalGate(gate_name="GateWithNoArgs", gate_module='test', num_qubits=3)
assert str(g) == 'test.GateWithNoArgs()'
want_repr = (
"cirq_google.InternalGate(gate_name='GateWithNoArgs', gate_module='test', num_qubits=3)"
)
assert repr(g) == want_repr
assert cirq.qid_shape(g) == (2, 2, 2)
def test_internal_gate_with_hashable_args_is_hashable():
hashable = cirq_google.InternalGate(
gate_name="GateWithHashableArgs",
gate_module='test',
num_qubits=3,
foo=1,
bar="2",
baz=(("a", 1),),
)
_ = hash(hashable)
unhashable = cirq_google.InternalGate(
gate_name="GateWithHashableArgs",
gate_module='test',
num_qubits=3,
foo=1,
bar="2",
baz={"a": 1},
)
with pytest.raises(TypeError, match="unhashable"):
_ = hash(unhashable)